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Very Hot Topic (More than 25 Replies) Englund/Zilbermints Gambit & Wigglesworth Defe (Read 26797 times)
Stefan Buecker
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Re: Englund/Zilbermints Gambit & Wigglesworth Defe
Reply #43 - 09/23/09 at 20:04:57
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SWJediknight wrote on 09/23/09 at 18:20:34:
After 8.Nd5 Ba5 9.e4 Nge7, I have looked at three alternatives against 10.Bc4, and think 10...Qa4 may be better: [...] 
C) 10...Qa4 can lead to a long, forcing line with 11.Bd3 [...]
[...]
Interesting about the lack of 4.Bf4's at high levels.  It would also be interesting to see the proportion of 4.Bf4 games that continue with the horrible blunder 6.Bc3, as those might be inflating the percentages at lower levels.  

In the line above, 10.Bc4 Qa4, the reply I feared was 11.Qe2 Nxd5 (or 11...Qxc2 12.0-0 Nxd5 13.exd5 Nd4 14.Nxd4 Qxd2 15.Qg4) 12.exd5 Bxd2+ 13.Nxd2 Nd4 (13...Na5 14.Bd3) 14.Qg4 Nxc2+ 15.Kf1 0-0 16.Qd1 pinning the Nc2. The best attempt then seemed to be 16...d6 17.Kg1 Bf5 18.Bb3 Qb5 19.Bxc2 Bxc2 20.Qxc2 Qxd5 21.h4! dxe5 22.Rh3. Black has three pawns for the knight, but that's only temporary. 22...b6 23.Rd3 Qe6 24.Qxc7 Qxa2 25.Qxe5 Rad8 26.Rbb3 etc. With two passed pawns for the knight Black still has drawing chances, but of course it's +/-. 

I'll continue the analysis when I have more time. These +/- endings in the article already offer good practical chances for a draw, and I don't think that I'll ever need it for a real game (1.d4 players never prepare for the Englund Gambit, it's a firm rule in their sect). But I'll try to work out something more convincing. 

Regarding the proportion of 4.Bf4 ... 6.Bc3? games, my database has 21 of those games: 3 in the 1800-1999 category (the strongest player to fall into it was rated 1935), of a total of 18 games with 4.Bf4. And 18 games in the lowest category, of a total of 217 with 4.Bf4.
  
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Re: Englund/Zilbermints Gambit & Wigglesworth Defe
Reply #42 - 09/23/09 at 18:20:34
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I have some apologies to give as well- I should've provided a link for that correspondence game:
www.iccf-webchess.com/GetPGN.aspx?id=93060

The game in full:
White: Israel De la Calle (2302)
Black: Prof. Mario Valverde Lopez (2059)
60yearsBdF-WS25, ICCF, 15/11/2006
1.d4 e5 2.dxe5 Nc6 3.Nf3 Qe7 4.Bf4 Qb4+ 5.Bd2 Qxb2 6.Nc3 Bb4 7.Rb1 Qa3 8.Nd5 Ba5 9.Rb5 Bxd2+ 10.Qxd2 Kd8 11.e4 a6 12.Rb3 Qxa2 13.Be2 Qa1+ 14.Bd1 Qa5 15.Qxa5 Nxa5 16.Ng5 Nh6 17.Rh3 Rf8 18.Nxh7 Rg8 19.g4 d6 20.exd6 cxd6 21.Rh5 Nc4 22.Nhf6 Rf8 23.Be2 b5 24.Bxc4 1-0

After 8.Nd5 Ba5 9.e4 Nge7, I have looked at three alternatives against 10.Bc4, and think 10...Qa4 may be better:
A) 10...0-0 11.0-0 +/- (11...Ng6 12.Rb3! +-)
B) 10...Qc5 11.Bb3 Bxd2+ 12.Qxd2 Nxd5 13.exd5 Na5 14.Ng5 +/- is similar to the main line with 10...Bxd2+,
C) 10...Qa4 can lead to a long, forcing line with 11.Bd3 Bxd2+ 12.Qxd2 Nxd5 13.exd5 Qxa2 14.c4 Qxd2+ 15.Kxd2 Na5 16.c5 b6 17.d6 cxd6 18.exd6 0-0 +=, when White can regain the lost pawn but I don't think the pawn on d6 offers many winning chances.  Or 11.Bxa5 Qxa5 12.Qd2 (12.Nxd2 Nxd5 13.exd5 Nxe5 14.Qe2 Kd8 with ...Re8 to follow, is pretty unclear) 12...Qxd2+ 13.Kxd2 Kd8 +=.

On the other hand I think 10.Rb5 should lead to +/-.  I agree that after 10...Bxd2+ 11.Qxd2, 11...0-0!? 12.Nxc7 Rb8 may be a better practical try, in view of 11...Nxd5 12.exd5 Nd8 (12...Ne7 13.d6 cxd6 14.cxd6 Ng6 15.Bc4, 13...Nc6 14.dxc7 a6 15.Rb6) 13.Bc4.  It's worth mentioning that 12...Qxa2 almost works for Black here, but after the accurate 13.dxc6 dxc6 14.Rb3! (otherwise Black gets a perpetual), Black's two pawns should not be enough for the piece.  Indeed I am tempted to suggest that 9.e4 is superior to 9.Rb5 here. 

Regarding 8...Bxd2+, objectively it may be no worse, but I'm not sure that White has more chances to go wrong there, judging by the article- at the very least there are numerous ways to get into an ending where Black is suffering and begging for a draw.

Interesting about the lack of 4.Bf4's at high levels.  It would also be interesting to see the proportion of 4.Bf4 games that continue with the horrible blunder 6.Bc3, as those might be inflating the percentages at lower levels.  In my various games with the gambit (mostly casual/blitz but also with one tournament win over a 1700-rated player) White played 4.Bf4 only about a dozen times, and on all but one of the occasions, followed it up with 6.Bc3.  The one game that continued 6.Nc3 went 6...Bb4 7.Nd5?! Bxd2+ 8.Kxd2 Kd8, when I suspect Black is already at least equal.
  
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Stefan Buecker
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Re: Englund/Zilbermints Gambit & Wigglesworth Defe
Reply #41 - 09/23/09 at 14:09:16
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@ SWJediknight: 
 Embarrassed Now that the ChessCafe article is online, I see that you already analyzed 8.Nd5 Ba5 9.e4!? (in the last post) - my apologies for not crediting you for the idea; the next column will put this straight. Yes, 9.e4 is a new problem. After 9...Nge7 10.Rb5 Bxd2+ 11.Qxd2 (so far your analysis) 11...0-0 12.Nxc7 Rb8 comes into consideration, but sooner or later Black has to sacrifice a pawn to free his Bc8, so it must be +/-. And 10.Bc4 from my article remains another good option (+/-). In a game now I'd probably prefer 8...Bxd2+, when White has more chances to go wrong.  

I decided not to use it in the article, but apparently stronger players deliberately avoid 4.Bf4. Lately I asked a GM what he would have played against the Latvian Gambit. He said: "3.d3 or 3.Nc3. I face the Latvian too rarely, maybe every two or three years, to prepare for it." The reason why good players are so 4.Bf4-shy is probably the same. 

Provided you play the Englund Gambit in the usual way (1...e5, 2...Nc6, 3...Qe7), how are the chances that White goes into Grob's Variation 4.Bf4? My statistic has minor flaws (Alekhine as a player without a rating...), but the general results from the database should be valid:

Rating (White) / Percentage of "Grob Variation" (4.Bf4, or 4.Bg5 Qb4+)
2400+  / 7.8% (from only 60 games)
2200-2399 / 8.3%
2000-2199 / 6.3%
1800-1999 / 15.2%
Below 1800 or unrated / 17.9% (from 1794 games, so Alekhine hardly matters)

Wink Tim Harding once wrote that the Englund Gambit was only playable below 2000 Elo. Maybe it is a sounder advice to start your chess career with a solid opening and only switch to the Englund, when you have reached Elo 2000.  
  
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Re: Englund/Zilbermints Gambit & Wigglesworth Defe
Reply #40 - 07/22/09 at 12:33:05
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On the subject of alternatives for White in the main line Englund Gambit (e.g. LDZ's 10.Rxc3), what happens after 8.Nd5 Ba5 9.e4!?.  My analysis, with the assistance of Fritz, suggested 9...Nge7 10.Rb5 Bxd2+ 11.Qxd2 Nxd5 12.exd5 Nd8 (I looked at 12...Ne7, White gets a dangerous kingside assault).  I don't think this is a refutation but nor do I particularly like this for Black either.  White has a lead in development and has sorted out the pawn structure.

Therefore I checked out 9...a6, but I remember one line that ran Rb3, ...Qxa2, Qc1, which was close to being a refutation.
  
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Re: Englund/Zilbermints Gambit & Wigglesworth Defe
Reply #39 - 07/13/09 at 18:37:54
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I believe I analyzed the refutation of that very line some years back. Let me check my archives.
  
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Re: Englund/Zilbermints Gambit & Wigglesworth Defe
Reply #38 - 07/13/09 at 18:02:35
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8.Qd2! and now:

A) 8...0-0 9.Qg5! Nce7 (or 9...Qxg5 10.Nxg5 Ngxe5 11.Nxc7 Rb8 12.0-0-0 +/-) 10.Nxe7+ Qxe7 (10...Nxe7 11.0-0-0 is great for White) 11.Qxe7 Nxe7 and Black has scant compensation for the pawn.

B) 8...h6 9.0-0-0 0-0 10.Qc3 Re8 11.e4 and White's attack will be faster.
  
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Re: Englund/Zilbermints Gambit & Wigglesworth Defe
Reply #37 - 07/13/09 at 17:59:18
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There will be no discussion of so-called chess cowardice here.  If you want to discuss that, do so under "General Chess."  I consider remarks here on this subject to be provocative, and I will redact them.  Any post devoted substantially to this subject will be deleted.
  

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Re: Englund/Zilbermints Gambit & Wigglesworth Defe
Reply #36 - 07/13/09 at 17:32:48
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White: NM Peter Radomskyj (2202)
Black: Zilbermints (2085)
Westfield Chess Club G/40 Tournament
Westfield, New Jersey
27 February 2000

1 d4 e5 2 dxe5 Nc6 3 Nf3 Nge7 The Zilbermints Gambit 4 Nc3 [Provocative remark redacted by Markovich.]

4...Ng6 5 Bg5 Be7 6 Bxe7 Qxe7 7 Nd5 Qd8 8 e4 00 9 Be2 Nce5        10 Nxe5 Nxe5  11 f4 Nc6

11...Ng6 is a mistake, for White plays 12 f5! followed by 13 f6!

12 00 d6 13 Bf3 Be6  14 Qd2 

Better was 14 c4!  14...Bd5 15 Qd5 Rab8  16 Rad1 Qf6! Now Black has the advantage.  17 g3 Qxb2  18 Qb3 Qb3 19 axb3 f5  20 ef5 Rf5 21 Be4 Rc5  22 c4 Nb4  23 f5 Re5  24 Rf4 Kf7 25 g4 h6 26 h4 Rbe8

At this point I decided to return the pawn, as Peter was threatening to get all sorts of tricks against my King. Better safe than sorry.

27 Bb7 Re1  28 Rxe1 Rxe1  29 Kf2?? A horrible blunder. After 29 Kg2 it is still pretty much an equal game.  Afterwards,  analyses showed the game to be pretty much drawish.

29...Nd3+  30 Kf3 Nxf4  31 Kxf4 Bd5+  32 Bd5+  Kf8  33 c5 Rd1 34 Bf3 Rd3 35 cd cd 36 Resigns.  

Peter used to say the Zilbermints Gambit was "unsound". Now he has paid the price: he was defeated by the very opening he called unsound.
  
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Re: Englund/Zilbermints Gambit & Wigglesworth Defe
Reply #35 - 07/13/09 at 17:02:49
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Why do people play this kind of line?  Perhaps it's because they enjoy playing the positions they get out of the opening and that below a certain level it can score at least as highly as sounder, mainline stuff.   At blitz it's one of my highest-scoring systems and I've scored very well with it in casual games, and rarely come out of the opening with less than an equal position- mainly because, as Stefan Bucker alluded to, most opponents react with harmless replies.  

Chess games are not always won by playing the best moves, but rather by playing the moves that are most unpleasant for one's opponent.   Of course, there's a perfectly legit argument that this isn't good chess, or a suitable way to play for those aspiring to reach a very high level, but it depends what you want to get out of chess.

I also think giving 1.d4 e5 a "?" (as many members of Chesspub do) is disproportionate considering that the likes of 1.e4 e5 2.Nf3 f5 (or 2...d5) are rarely even given "?!".  But, as someone who contributed heavily to the Wiki article on the Englund, I think Wikipedia's label of "?!" seems fair.

As for 11.e4 a6 12.Rb3 etc, I don't see any improvements for Black before move 17, so the position after 17.Rh3 is critical for the assessment of the whole 11...a6 line.   17...Rf8 18.Nxh7 Rh8 18.Ng5 Rf8 is the main alternative at move 17, when it's concievable that Black might be able to hold (Black continues with 20...Nc6 and advances the a-pawn), but it still looks pretty grim.  I think 1.d4 e5 would be too risky in a correspondence game.

As for 3...Nge7 4.Nc3, it's no good posting lots of poorly played games.  Show how Black can prevent White from getting an advantage between += and +/-.
  
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Re: Englund/Zilbermints Gambit & Wigglesworth Defe
Reply #34 - 07/13/09 at 16:12:55
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Lev, 

Showing 4 games where White blunders away winning advantages doesn't prove any type of theoretical viability. 

In the first game, White plays the stupid 5. Nd5 instead of the natural and very strong 5. Bf4. 

In the second game, White reaches a promising ending, but from ~move 20 to move 27, proceeds to play like crap and bungle a great position. 

In the third game, Black is dead lost until 31. c6? which might let Black draw, then he gets back to probably winning, and then completely blows it with 34. Nd5, when it's a draw. Instead 31. Bb7 leaves Black where he should be - lost. 

In the last game, White played the opening well, but then moves 12-15 pretty much give it all away. 

I'm not impressed. I'm still waiting for you to address the concrete variations which were put forth by various members of this forum, in this thread. Show us the way Lev! Part the White and Black seas and defeat all the unspoken laws of chess that say you can't give up a pawn for nothing and win!
  
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Re: Englund/Zilbermints Gambit & Wigglesworth Defe
Reply #33 - 07/13/09 at 15:48:11
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How did White manage to score two half-points from those four games ? Where did Black go wrong ? Very disapointing.
  
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Re: Englund/Zilbermints Gambit & Wigglesworth Defe
Reply #32 - 07/13/09 at 14:48:54
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Stefan,

See, you just made my point! Correspondence, not OTB, play, is something else altogether. That said, I disagree with your assessment of 4 Nc3 against 3...Nge7. Some games:

[Event "DESC SE023 email"]
[Site "DESC email"]
[Date "2000.??.??"]
[Round "0"]
[White "Drescher,Thomas"]
[Black "Lagemann,Tobias"]
[Result "0-1"]
[Eco "A40"]
1.d4 e5 2.dxe5 Nc6 3.Nf3 Nge7 4.Nc3 h6 5.Nd5 Ng6 6.Bf4 d6 7.exd6 Bxd6 8.Bxd6 Qxd6 9.e4 Be6 10.Qd2 f5 11.exf5 Bxd5 12.fxg6 0-0-0 13.0-0-0 Qxg6 14.Qd3 Qf7 15.b3 Qf6 16.Kb1 Nb4  17.Qd4 Be4 0-1

[Date "1994.??.??"]
[Round "6"]
[White "Boesveld,Marco"]
[Black "De Zeeuw,Maarten"]
[Result "0-1"]
[Eco "A40"]
1.d4 e5 2.dxe5 Nc6 3.Nf3 Nge7 4.Nc3 Ng6 5.Bg5 Be7 6.Bxe7 Qxe7 7.Nd5 Qd8 8.Qd2 h6  9.Nd4 Nxd4 10.Qxd4 c6 11.Nc3 Qb6 12.0-0-0 Qxd4 13.Rxd4 Nxe5 14.e4 Ke7 15.f4 Ng6 16.g3 d6 17.Be2 Bh3 18.Rhd1 Rad8 19.Bf3 h5 20.Ra4 a6 21.Rad4 h4 22.a4 Bc8 23.a5 hxg3 24.hxg3 Rh3 25.Ne2 Nh4 26.gxh4 Rxf3 27.e5 d5 28.Rg1 g6 29.Rg3 Rf2 30.Kd2 Rh8 31.Ke3 Rh2 32.c4 dxc4 33.Rxc4 R8xh4 34.Rb4 Rh1 35.Nc3 R4h2 36.Kd4 Ra1 37.Kc5 Rxa5+ 38.Kb6 Ra1 39.Kc7 Rh8 40.Ne4 b5 41.Rd3 Bf5 42.Rd6 Rc8+ 43.Kb7 c5 44.Rb3 c4 45.Re3 b4 46.Nf6 c3 47.bxc3 b3 48.Rb6 Be6 49.c4 Rxc4 50.f5 Bxf5 51.Nd5+ Kf8 52.Rexb3 Be4 53.Rd6 Rc5 54.Rd8+ Kg7 55.Rh3 Rxd5 0-1

[Event "BRA TCS-A corr"]
[Site "Brazil CXEB"]
[Date "1995.??.??"]
[Round "0"]
[White "Rain,Ricardo Ernesto"]
[Black "Costa,Antonio Pedro Ramos"]
[Result "1/2"]
[Eco "A40"]
1.d4 e5 2.dxe5 Nc6 3.Nf3 Nge7 4.Nc3 Ng6 5.Qd5 Be7 6.a3 b6 7.h4 Bb7 8.h5 Nf8 9.h6 g6 10.Be3 Ne6 11.0-0-0 d6 12.exd6 cxd6 13.Ne4 Na5 14.Nxd6+ Bxd6 15.Qxd6 Qxd6 16.Rxd6 Nc4 17.Rd3 Nxe3 18.Rxe3 0-0 19.g3 Rae8 20.Bg2 Nc5 21.Rxe8 Rxe8 22.b4 Ne4 23.Nd4 Nxf2 24.Bxb7 Nxh1 25.Bxh1 Re3 26.Bf3 Rxa3 27.Kb2 Re3 28.c4 f5 29.c5 bxc5 30.bxc5 Kf7 31.c6 Ke7 32.Nc2 Re5 33.Nb4 Kd6 34.Nd5 Kxc6 35.Nf6+ Kd6 36.Nxh7 Re8 37.Ng5 Ke7 38.e4 Kf6 39.Nh7+ Ke5 40.exf5 gxf5 41.Ng5 Kf6 42.Nh3 Kg6 43.g4  1/2

[Date "2002.??.??"]
[Round "1"]
[White "Schueller,Rudolf"]
[Black "Fakler,Udo"]
[Result "1/2"]
[Eco "A40"]
1.d4 e5 2.dxe5 Nc6 3.Nf3 Nge7 4.Nc3 Ng6 5.Bg5 Be7 6.Bxe7 Ncxe7 7.e3 Nc6 8.Qd5 Qe7 9.Nb5 Kd8 10.0-0-0 Ncxe5 11.Nbd4 d6 12.h3 Rb8 13.Nxe5 Nxe5 14.g3 b6 15.Qxe5 dxe5 16.Nc6+ Ke8 17.Nxe7 Kxe7 18.Bc4 Be6 19.Bxe6 Kxe6 20.Rd2 Rhd8 21.Rhd1 Rxd2 22.Rxd2 e4 23.Kd1 c5 24.Ke2 Rb7 25.f3 f5 26.fxe4  1/2

I will post more games once I check my files.
  
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Re: Englund/Zilbermints Gambit & Wigglesworth Defe
Reply #31 - 07/13/09 at 14:13:42
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A bit of all the above I would imagine, Dr. Freud.
  
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Re: Englund/Zilbermints Gambit & Wigglesworth Defe
Reply #30 - 07/13/09 at 13:57:07
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If I may just for a moment take the view from 30,000 feet, you have to wonder why anyone would suppose that 1.d4 e5? would have the slightest chance of producing a playable game for Black.  Why would anyone submit to the Queen's Gambit, or bother to play the King's Indian, if that were true?  Chess would not be chess if this move were any good.  

I can understand why analysts would toy with this gambit just to exercise their intellects, but why anyone with all his marbles would maintain that Black could play this way and get away with it, I cannot imagine.  It's akin to trying to prove the 1.e4, 2.Bc4, 3.Qf3 leads to a big advantage for White in all variations.  Chess would be a trivial game if that were true or if 1.d4 e5? worked; also a game not worth playing.

So what explains this quest, this attempt to make chess a much simpler game than it is?  Coming from any given chess player, is this an unconscious expression of self-contempt?  Or is it a desperate determination to justify one's not to learning the deeply complex game that is chess?
  

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Re: Englund/Zilbermints Gambit & Wigglesworth Defe
Reply #29 - 07/13/09 at 10:45:53
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The correspondence game which SWJediknight mentions, 12.Rb3 Qxa2 13.Be2 Qa1+ 14.Bd1 Qa5 15.Qxa5 Nxa5 16.Ng5 Nh6 17.Rh3, looks even more convincing than 12.Rb1, it may be a refutation. 

So it seems that after 1. d4 e5 2.dxe Nc6 3.Nf3 Qe7 4.Bf4 Qb4+ 5.Bd2 Qxb2 6.Nc3 Bb4 7.Rb1 Qa3 8.Nd5! Ba5 9.Rb5 Bxd2+ 10.Qxd2 Kd8 11.e4, the idea 11...a6 (Ian Simpson, Norwich, UK) doesn't cure the Englund Gambit either. Bad news for me.

In comparison, 8.Rb3 Qa5 9.a3 Bxc3 10.Rxc3, favoured by Gambit, is less critical:
10...Qd5 (Qa4!?) 
(a) 11.Bf4 Qxd1 12 Kxd1 Nge7 13 e4 += 1-0/53, Zilbermints-Ferrero, Branchburg 2009. Black could have played 11...Nge7 first, when 12.e4 isn't possible (rather = than +=).
(b) 11.e4 Qxe4+ 12.Be2 Nge7 13.0-0 led to a brutal win for White in Zielinski-Pokojski, Polish U18 champ, 2002. But after the cautious 13...h6 Black's position would have been quite reasonable. 

Lev Zilbermints' 3...Nge7 is an interesting idea which can lead to adventurous positions. Unfortunately 4.Nc3 is for this move what 4.Bf4 is for the Englund Gambit. Both systems retain some, how to put it ... "street credibility". Nothing you can take to your bank, but if you try 3...Qe7 in an open, more often than not the IM on the other side of the board will become very nervous and finally play 4.g3. However, in correspondence chess today I'd prefer something else. 
  
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Re: Englund/Zilbermints Gambit & Wigglesworth Defe
Reply #28 - 07/12/09 at 21:49:28
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Here's another one:
Franzoso-Parisi (Cr. C.I. 769)
1. d4 e5 2.dxe Nc6 3.Nf3 Qe7 4.Bf4 Qb4+ 5.Bd2 Qxb2 6.Nc3 Bb4 7.Rb1 Qa3 8.Nd5 Ba5 9.Rb5 Bxd2+ 10.Qxd2 Kd8 11.Ng5 Nh6 12.e6 d6 13.exf6 a6 14.Rb3 Qxa2 15.Nc3 Qa5 16.e4 Qc5 17.Rxb7 Nb4 18.Nd5 Nxc2+ 19.Kd1 Ng4 20.Rb3 Nxf2+ 21.Ke2 Nxh1 22.Rc3 Qf2+ 23.Kd1 Nd4 24.Qd3 Bg4+ 25.Nf3 Rb8 26.Rxc7 Rb1+ 27.Rc1 Nxf3 28.Rxb1 Ne5+ 29.Be2 Nxd3 30.Bxg4 Qe1+ 31.Kc2 Qxb1+ 32.Kxb1 Ne5 0-1

This can be found at http://web.mclink.it/MC5757/teoria/unorthodox_4.htm

But both sides play sub-optimally (12.Ne4, 12...fxe6 for instance).  I think 8.Nd5 Ba5 9.Rb5 Bxd2+ 10.Qxd2 Kd8 11.e4 a6 is an improvement over the old 11...h6, but the position is still pretty difficult for Black with the king in the centre.   One correspondence game (which looks like both players used Fritz rather heavily) continued with 12.Rb3 Qxa2 13.Be2 Qa1+ 14.Bd1 Qa5 15.Qxa5 Nxa5 16.Ng5 Nh6 17.Rh3 Rf8 18.Nxh7 Rg8 19.g4 and White was better, though both sides may have improvements.
  
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Re: Englund/Zilbermints Gambit & Wigglesworth Defe
Reply #27 - 07/12/09 at 16:54:10
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CraigEvans wrote on 07/12/09 at 12:18:52:
Tony, don't waste your breath. The lack of response means that we are right, and he will deflect attention onto other lines hoping people forget the refutations provided.

8.Nd5 is well-publicised now and is a clear way to a large advantage against the Englund. I wish this wasn't so, as I would like to play this myself as black, but either 8...Ba5 9.Rb5 Bxd2 10.Qxd2 Kd8 11.e4 or 8...Bxd2+ 9.Qxd2 Qxa2 10.Rd1 Kd8 11.e4 or 11.e4 are disgusting for black.

In the main line Englund Gambit, 10.Rc3 gives white a very small edge. It's a durable edge, and it's an edge, but with solid play black can probably hold. Of course, it's a game of chess, and both sides have their chances - just a few more to white... but I wouldn't be terrified of black's position, if this were the best white could do (looking at 10...Qd5 11.Bf4!? Qxd1+ 12.Kxd1 Nge7 13.e4 b6, I find it hard to believe white has any advantage due to his weak pawn structure, and in an endgame black is in no danger) then the Englund Gambit would be a lot stronger than it is.

11.e4!? is interesting, but after 11...Qxe4+ 12.Re3 Qd5, white has compensation but again I would find it hard to claim an advantage - I think black can return the pawn at some point to reach equality. Of course, without specific continuations it is hard to really assess, but I see nothing too terrifying.

10.Bxc3! has been played more times, has a very good score for white and, for what it's worth, is the computer's choice. Black has to defend against e6 thrusts, the bishop is on it's natural diagonal, the Rb3 exerts pressure on the b-file as well as, in some lines, threatening to swing over to the k-side. White's lead in development is threatening. When I've played this in games as black, it is this which has worried me a lot more than 10.Rxc3. Of course, this is all a moot point, since it is 8.Nd5 which completely refutes black's play, and therefore the choice of two captures down a less-advantageous route is completely irrelevant.  Wink


Maybe not. After 8 Nd5 we have the following games:

[Event "FRA corr"]
[Site "France"]
[Date "1995.??.??"]
[Round "0"]
[White "Aymard,Michel"]
[Black "Bordino,Jean Christophe"]
[Result "0-1"]
[Eco "A40"]
1.d4 e5 2.dxe5 Nc6 3.Nf3 Qe7 4.Bf4 Qb4+ 5.Bd2 Qxb2 6.Nc3 Bb4 7.Rb1 Qa3 8.Nd5 Ba5  9.e4 Nge7 10.Bc4 0-0 11.0-0 Ng6 12.Nf6+ gxf6 13.Bxa5 Nxa5 14.exf6 Nxc4 15.Ng5 Rd8 16.Qh5 Kf8  17.Qxh7 Nce5 18.f4 Qc5+ 19.Kh1 Ke8 20.fxe5 Qf8 21.Rf5 b6 22.Rd1 Ba6 23.Rd4 c5 24.Rd2 Bc4  25.a4 Be6 26.Rf1 Nxe5 27.Qh5 Nc4 28.Nxe6 dxe6 29.Rxd8+ Rxd8 30.Qe2 Nd2 31.Rd1 Qh6 32.Qb5+ Kf8  33.Qe2 Qxf6 34.e5 Ne4 35.Re1 Qxe5 36.Qf3 Rd2 37.Rf1 Qf5 38.Qxf5 exf5 39.Rc1 Nc3 40.h3 Ne2  41.Ra1 Rxc2 0-1

[Event "GER-ch U25"]
[Site "Willingen"]
[Date "2007.05.26"]
[Round "4"]
[White "Tiemann,Tobias"]
[Black "Sieker,Roland"]
[Result "0-1"]
[Eco "A40"]
1.d4 e5 2.dxe5 Nc6 3.Nf3 Qe7 4.Bf4 Qb4+ 5.Bd2 Qxb2 6.Nc3 Bb4 7.Rb1 Qa3 8.Nd5 Ba5 9.Bxa5 Qxa5+ 10.c3 a6 11.e4 Nge7 12.Qb3 0-0 13.Nxe7+ Nxe7 14.Bc4 h6 15.0-0 Ng6 16.Rbd1 c6  17.Rfe1 Nxe5 18.Nxe5 Qxe5 19.Re3 b5 20.Be2 d6 21.Qa3 c5 22.Bxb5 axb5 23.Qxa8 Bg4 24.Qd5 Bxd1  25.Qxd1 Ra8 26.Qd2 Qe6 27.Re2 Qc4 28.Qb2 Ra4 29.f3 Qd3 30.Qd2 Qc4 31.Qb2 b4 32.cxb4 Rxb4  33.Qd2 Rb6 34.Kf2 Qb5 35.Qc3 Qb4 36.Qxb4 Rxb4 37.Rc2 Ra4 38.Ke3 Kf8 39.Ke2 Ke7 40.Kd3 Ke6  41.Ke2 f5 42.exf5+ Kxf5 43.Rd2 Ke5 44.g3 d5 45.h4 d4 46.Rc2 Kd5 47.Kd1 d3 0-1

[White "Schrenk,Robert"]
[Black "Bildt,Thomas"]
[Result "0-1"]
[Eco "A40"]
1.d4 e5 2.dxe5 Nc6 3.Bf4 Qe7 4.Nf3 Qb4+ 5.Bd2 Qxb2 6.Nc3 Bb4 7.Rb1 Qa3 8.Nd5 Bxd2+  9.Qxd2 Qxa2 10.Rc1 Kd8 11.Qg5+ Nge7 12.Nxe7 Nxe7 13.Qxg7 Ng6 14.Ng5 Ke7 15.Nxh7 Qa5+ 16.c3 Qxe5 
17.Qxe5+ Nxe5 18.Ng5 d5 19.e3 f6 20.f4 fxg5 21.fxe5 Ke6 22.c4 c6 23.cxd5+ Kxd5 24.g3 Be6  25.Bg2+ Kxe5 26.e4 Rad8 27.0-0 Kd6 28.Rf6 Rdf8 29.Rcf1 Rxf6 30.Rxf6 Ke5 31.Rg6 Rg8 32.Rh6 a5 
33.Rh7 b5 34.Re7 Rg6 35.Kf2 a4 36.h4 gxh4 37.gxh4 a3 38.h5 Rh6 39.Bh3 Kd6 40.Bf5 Kxe7 41.Bg6 a2 0-1

Regarding 10 Bxc3! the chesslive.de database gives the following statistics:

White won 22
Black won 12
Drawn      13

____________

Total 47 games, 1966-2005


  
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Re: Englund/Zilbermints Gambit & Wigglesworth Defe
Reply #26 - 07/12/09 at 15:40:06
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Wow, this junk is still being discussed here ?! Some things never change. Good to see the old names still at it. Kudos.
  
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Re: Englund/Zilbermints Gambit & Wigglesworth Defe
Reply #25 - 07/12/09 at 12:18:52
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Tony, don't waste your breath. The lack of response means that we are right, and he will deflect attention onto other lines hoping people forget the refutations provided.

8.Nd5 is well-publicised now and is a clear way to a large advantage against the Englund. I wish this wasn't so, as I would like to play this myself as black, but either 8...Ba5 9.Rb5 Bxd2 10.Qxd2 Kd8 11.e4 or 8...Bxd2+ 9.Qxd2 Qxa2 10.Rd1 Kd8 11.e4 or 11.e4 are disgusting for black.

In the main line Englund Gambit, 10.Rc3 gives white a very small edge. It's a durable edge, and it's an edge, but with solid play black can probably hold. Of course, it's a game of chess, and both sides have their chances - just a few more to white... but I wouldn't be terrified of black's position, if this were the best white could do (looking at 10...Qd5 11.Bf4!? Qxd1+ 12.Kxd1 Nge7 13.e4 b6, I find it hard to believe white has any advantage due to his weak pawn structure, and in an endgame black is in no danger) then the Englund Gambit would be a lot stronger than it is.

11.e4!? is interesting, but after 11...Qxe4+ 12.Re3 Qd5, white has compensation but again I would find it hard to claim an advantage - I think black can return the pawn at some point to reach equality. Of course, without specific continuations it is hard to really assess, but I see nothing too terrifying.

10.Bxc3! has been played more times, has a very good score for white and, for what it's worth, is the computer's choice. Black has to defend against e6 thrusts, the bishop is on it's natural diagonal, the Rb3 exerts pressure on the b-file as well as, in some lines, threatening to swing over to the k-side. White's lead in development is threatening. When I've played this in games as black, it is this which has worried me a lot more than 10.Rxc3. Of course, this is all a moot point, since it is 8.Nd5 which completely refutes black's play, and therefore the choice of two captures down a less-advantageous route is completely irrelevant.  Wink
  

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Re: Englund/Zilbermints Gambit & Wigglesworth Defe
Reply #24 - 07/12/09 at 02:40:10
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Really, SWJ? How come then that after 10 Rxc3! White has scored 3/3 games? I recently played an Englund Gambit specialist. He is the editor of Atlantic Chess News, my state's chess magazine. I defeated
him in the same line, with 10 Rxc3!

After 1 d4 e5 2 dxe5 Nc6 3 Nf3 Qe7 4 Bf4 Qb4+ 5 Bd2 Qxb2 6 Nc3 Bb4 7 Rb1 Qa3 8 Rb3 Qa5 9 a3 Bxc3 10 Rxc3! what is the best move for Black here?

Zilbermints-Ferrero, Branchburg 2009, went 11 Bf4!? Qxd1 12 Kxd1 Nge7 13 e4 += 1-0/53.

Personally, I like 11 e4! as in Zielinski-Pokojski, Polish U18 champ, 2002. 

I will post other responses later.
  
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Re: Englund/Zilbermints Gambit & Wigglesworth Defe
Reply #23 - 07/12/09 at 02:14:50
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Gambit wrote on 07/11/09 at 00:40:40:
I have been away for several days due to medical reasons. Having checked out of the hospital...


I hope your health is good, dear chessfriend.
  

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Re: Englund/Zilbermints Gambit & Wigglesworth Defe
Reply #22 - 07/11/09 at 22:27:08
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I would be happy to defend the 10.Rxc3 line of the Englund Gambit as Black.  At worst White just gets a small edge in a murky position IMHO, similar to after 10.Bxc3.  More critical is 8.Nd5.

I cannot believe that Black gets an edge after 3...Nge7 4.Bf4 Ng6 5.Bg3 Qe7 6.Nc3 Qb4, I'm afraid.  Most critical is probably 7.a3 Qxb2 8.Nd5 Kd8 (this is already looking similar to the critical 8.Nd5 lines following 3...Qe7) and White can plunge into the complications after 9.e6, or probably have a decent edge after 9.e3- although I don't think Black is without chances in either case.

It's worth noting that I initially preferred the continuation 7.Rb1 Qa5 8.Qd5 Bb4 9.Qxa5 Bxa5 but a discussion on another thread with Stefan Bucker, in which the analysis was taken a lot further, suggested that Black may end up with decent structural compensation for the pawn, regardless of Fritz's insistence on the contrary. 

However I think 4.Nc3 is the way for White to go.
  
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Re: Englund/Zilbermints Gambit & Wigglesworth Defe
Reply #21 - 07/11/09 at 21:49:19
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What about 4. Nc3? You haven't addressed any of the analysis posted in this thread.
  
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Re: Englund/Zilbermints Gambit & Wigglesworth Defe
Reply #20 - 07/11/09 at 00:40:40
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I have been away for several days due to medical reasons. Having checked out of the hospital, I would like to give a few games concerning the Englund Gambit:


[Event "Second Annual Eastern Intercol"]
[Site "Philadelphia PA USA"]
[Date "1999.??.??"]
[White "Zilbermints, Lev"]
[Black "Mucerino, Joseph"]
[Result "1-0"]
[WhiteElo "2075"]
[BlackElo "1876"]
[ECO "A40"]
[Round "?"]

1. d4 e5 2. dxe5 Nc6 3. Nf3 Qe7 4. Bf4 Qb4+ 5. Bd2 Qxb2 6. Nc3 Bb4 7. Rb1 Qa3 8. Rb3 Qa5 9. a3 Bxc3 10. Rxc3 Qd5 11. Bf4 Qxd1+ 12. Kxd1 Nge7 13. e3 Nd5 14. Rd3 Nxf4  15. exf4 b6 16. Rc3 Bb7 17. Bd3 h6 18. Be4 O-O-O 19. Kc1 Ne7 20. Bxb7+ Kxb7 21. Rd1 Rhe8 
22. g4 Rh8 23. Rcd3 Kc8 24. Re3 h5 25. h3 hxg4 26. hxg4 a6 27. Ng5 Rhf8 28. f5 f6  29. exf6 gxf6 30. Ne4 Nc6 31. f4 Rf7 32. Rh3 Rg8 33. Rh4 Rgg7 34. c3 Na5 35. Rg1 Nc4  36. Rg3 Nxa3 37. Rh6 Nc4 38. Rxf6 Re7 39. Rf8+ Kb7 40. f6 Rh7 41. fxe7 Rxe7 42. g5 Rxe4 
43. g6 Re1+ 44. Kc2 d5 45. g7 Re2+ 46. Kd1 1-0

[Event "POL-ch U18"]
[Site "Bartkowa"]
[Date "2002.01.??"]
[Round "0"]
[White "Zielinski,Przemyslaw"]
[Black "Pokojski,Patryk"]
[Result "1-0"]
[Eco "A40"]
1.d4 e5 2.dxe5 Nc6 3.Nf3 Qe7 4.Bf4 Qb4+ 5.Bd2 Qxb2 6.Nc3 Bb4 7.Rb1 Qa3 8.Rb3 Qa5 9.a3 Bxc3 10.Rxc3 Qd5 11.e4 Qxe4+ 12.Be2 Nge7 13.0-0 0-0 14.Bd3 Qd5 15.Bc4 Qe4 16.Re1 Qg4  17.h3 Qh5 18.g4 Qxh3 19.Ng5 Qh6 20.Rh3 Qg6 21.Bd3 f5 22.exf6 Qxf6 23.Bxh7+ Kh8 24.Bd3+ Kg8 25.Rf3 Nf5 26.Rxf5 Qd6 27.Rxf8+  1-0


These two games should illustrate the value of 10 Rxc3! over the regular 10 Bxc3. My point is that the c7-square is pressured and the Nc6 cannot move for quite awhile. That is first.

Second, with regard to the Zilbermints Gambit, Black has an edge there in the 4 Bf4 line. This is because after 1 d4 e5 2 dxe5 Nc6 3 Nf3 Nge7 4 Bf4 Ng6 the most common move is 5 Bg3, removing the Bishop from danger. I almost never see 5 e3 or 5 g3. Now, after
5 Bg3 Qe7 6 Nc3 Qb4! the difference is obvious: White's Bg3 cannot return to the Queenside.

While I do not play the Charlick-Hartlaub Gambit often, I should point out that after 1 d4 e5 2 dxe5 d6 3 Nf3 Bg4 4 Bg5 Qd7 is OK for Black.
Below is a game between two masters. Black could have drawn, but blundered in the endgame.

[Event "HUN-chT 0304"]
[Site "Hungary"]
[Date "2003.09.28"]
[Round "2"]
[White "Restas,Peter"]
[Black "Dombai,Istvan"]
[Result "1-0"]
[Eco "A40"]
1.d4 e5 2.dxe5 d6 3.Nf3 Bg4 4.Bg5 Qd7 5.Nbd2 h6 6.Bf4 Nc6 7.exd6 Bxd6 8.Bxd6 Qxd6 9.e3 0-0-0 10.Be2 Nf6 11.0-0 Qb4 12.c3 Qxb2 13.Nd4 Bxe2 14.Qxe2 Qxc3 15.Nxc6 Rxd2 16.Nxa7+ Kb8 
17.Nb5 Qb4 18.Qe1 Rb2 19.Qxb4 Rxb4 20.Nd4 g6 21.Rab1 Rxb1 22.Rxb1 Kc8 23.f3 Nd5 24.e4 Nb6  25.Kf2 Rd8 26.Ke3 Nc4+ 27.Kd3 Ne5+ 28.Kc3 c5 29.Nb3 b6 30.a4 Rd3+ 31.Kc2 Re3 32.Nc1 Nc4 
33.Rb3 Rxb3 34.Nxb3 Kc7 35.g4 Kc6 36.h4 Ne5 37.Nd2 b5 38.axb5+ Kxb5 39.g5 hxg5 40.hxg5 Kb4  41.f4 Nc4 42.e5 Nxd2?? 

Best is 42...Ne3+ followed by 43...Nf5 

43.Kxd2 Kc4 44.f5 Kd5 45.e6  1-0
  
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Re: Englund/Zilbermints Gambit & Wigglesworth Defe
Reply #19 - 07/07/09 at 20:31:31
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Stefan Bucker scored 83% with the 3...Qe7 line in tournament play at the 2300-2400 level, but five of the games continued with 4.g3 and one with 4.Qd5 f6 5.Nc3?!, illustrating that even at such a high level you can get away with it.   Most players think that White can get a nice advantage by any old development plan, but I think of White's alternatives to 4.Bf4 and 4.Qd5, only 4.Nc3 Nxe5 5.e4 (or 4.e4 Nxe5 5.Nc3 transposing) offers a serious challenge to Black's system.

However if a player finds 4.Bf4! with the follow-up 4...Qb4+ 5.Bd2 Qxb2 6.Nc3! Bb4 7.Rb1 Qa3 8.Nd5! catching the king in the centre, Black is certainly in for some turbulence.  I have not faced this in my various online blitz and friendly games with the gambit, but it has discouraged me from playing it in serious games except as an occasional weapon.  The main alternative 8.Rb3 is also good for White but IMHO does not seriously test the viability of the gambit.

My opinion, for what it's worth, is that 3...Qe7 and 3...Nge7 are both of roughly equal value- it is easy for White to drift into an equal or worse position by playing too casually, but with accurate play the assessment should be between += and +/-.  I am also of the same opinion with regards the Soller (3...f6) and Felbecker (3...Bc5) but consider the Hartlaub (2...d6) inferior in view of 3.Nf3 followed by 4.Bg5 and 5.exd6 +/-.
  
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Re: Englund/Zilbermints Gambit & Wigglesworth Defe
Reply #18 - 07/07/09 at 15:26:08
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TicklyTim wrote on 07/07/09 at 13:14:01:
TN wrote on 07/07/09 at 12:58:34:


Are you referring to IM Michael Basman?


Yes.
I seem to recall reading that Botvinnik made some encouraging comments about Basmans play when Botvinnik was in England. Not sure when Basman veered away from recommended theory.
His 1.a3,2.h3 at the tournament certainly created a slight buzz, but for novelty factor rather than true chess.

There is a difference in a variation being dodgy and outright refuted. I think the Englund is somewhere between the two.
Playing it against people you suspect won't have looked at it will probably be fine. Thrashing out the theory with people who have isn't such a good idea. 
Fortunately for fans of the opening, the vast majority of people haven't looked at it, and a good portion of those that have will have forgotten it through lack of use.
For white it's the old debate of whether to play a safe line (letting black get away with it) or risk playing critical stuff that you may only use once every few years.


I think I've told the story of how I once saw (U.S.) N.M. Chuck Deibert, then rated 2320 or so, whip out the Englund against a 1950-rated player and get summarily flattened.  A lot of people thought that it served him right.
  

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Re: Englund/Zilbermints Gambit & Wigglesworth Defe
Reply #17 - 07/07/09 at 13:14:01
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TN wrote on 07/07/09 at 12:58:34:


Are you referring to IM Michael Basman?


Yes.
I seem to recall reading that Botvinnik made some encouraging comments about Basmans play when Botvinnik was in England. Not sure when Basman veered away from recommended theory.
His 1.a3,2.h3 at the tournament certainly created a slight buzz, but for novelty factor rather than true chess.

There is a difference in a variation being dodgy and outright refuted. I think the Englund is somewhere between the two.
Playing it against people you suspect won't have looked at it will probably be fine. Thrashing out the theory with people who have isn't such a good idea. 
Fortunately for fans of the opening, the vast majority of people haven't looked at it, and a good portion of those that have will have forgotten it through lack of use.
For white it's the old debate of whether to play a safe line (letting black get away with it) or risk playing critical stuff that you may only use once every few years.
  
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Re: Englund/Zilbermints Gambit & Wigglesworth Defe
Reply #16 - 07/07/09 at 12:58:34
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TicklyTim wrote on 07/07/09 at 12:42:13:
Some players are spoken of as having wasted their potential by playing obscure openings. If reaching IM level or there abouts it just doesn't cut the mustard. I remember watching an IM at the British Championships playing 1.a3,2.h3 (1..a6,2...h6) and to me he seemed to be wasting his talent, as it was obviously undermining his possible results.
Obviously this a biased opinion, as I'm not much of a risk taker, but I think I'm correct in a 'true chess' sense.


Are you referring to IM Michael Basman?
  

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Re: Englund/Zilbermints Gambit & Wigglesworth Defe
Reply #15 - 07/07/09 at 12:42:13
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Sorry for my earlier messing about.
Isn't the gist of these type of gambits that they don't stand-up to computer checking and that they are theoretical unsound, but, that up to a certain level of play the unsoundness doesn't matter so much. Maybe to an average club level or less, these 'slightly wrong' openings can upset, confuse or catch-out an opponent.
I used to face someone in county matches that played in a similar style. He was slightly stronger than me, but always played odd gambits. I used to hate playing against him, but always did pretty well. I felt with his grade against mine he would be doing better if playing standard openings. However, with his sub-standard openings, he was handicapping himself from the start. But maybe he had no choice - he played what he played.
There is a place for these openings. Firstly, playing weak people (if you are brave enough). Playing very strong players where you are expecting to lose (if you have a sense of humour). And in Blitz and Bullet either online or in skittles.
If you were in a last round of a comp, and you and your opponent were similar strength and both on 4 out of 4, would you venture a risky sub-standard opening. I don't think many people would. If it's the most important game (if you life depended on it!!) wouldn't you naturally want to maximize your chances by the choice of opening.
If however, sub-standard openings were all you knew (or knew them so very well) then perhaps this would be maximising your chances - at that moment, but then that would be a strange decision to have made in a chess career - and could be correct in a month or two.
Some players are spoken of as having wasted their potential by playing obscure openings. If reaching IM level or there abouts it just doesn't cut the mustard. I remember watching an IM at the British Championships playing 1.a3,2.h3 (1..a6,2...h6) and to me he seemed to be wasting his talent, as it was obviously undermining his possible results.
Obviously this a biased opinion, as I'm not much of a risk taker, but I think I'm correct in a 'true chess' sense.
  
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Re: Englund/Zilbermints Gambit & Wigglesworth Defe
Reply #14 - 07/07/09 at 12:04:25
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I've deleted two posts about computers and chess, which is a discussion that belongs in "General Chess."

It's fine to discuss the merits of a computer's evaluation of a given position of relevance to a thread; it's not fine to launch into how evil or how useful chess engines in general supposedly are. 

I don't like taking such a heavy-handed approach, but there's been a lot of provocation going on in this thread.
  

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Re: Englund/Zilbermints Gambit & Wigglesworth Defe
Reply #13 - 07/06/09 at 23:58:34
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This is all very well, but 6...Qe7? 7.Nb5! is a silly mistake, which Fritz 10 recognises in about one second.  Better is 6...Bb4 although White maintains some advantage after 7.Bd2 0-0 8.0-0-0.  Black will probably regain the pawn on e5 but White's attacking chances on the kingside should be very dangerous due to the lead in development.

As for (5.Bf4 g5 6.Bg3 Bg7) 7.e3 Ng6 8.Qd5, it does look like curtains for Black I'm afraid.  I looked at 6...Nf5 as a possible improvement, but then 7.Nd5 (threatening 8.e6) is very strong.  Similarly 6...Ng6 7.Nd5.
  
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Re: Englund/Zilbermints Gambit & Wigglesworth Defe
Reply #12 - 07/06/09 at 21:56:07
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According to Fritz 6, my beloved chess computer, White is clearly better after 5.e4 Ng6 6.Qd5 Qe7 7.Nb5. Now I will be able to play the Zilbermints Gambit like a computer.

For what it's worth, Fritz 6 claims '0.62' after 3...Qe7.
  

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Re: Englund/Zilbermints Gambit & Wigglesworth Defe
Reply #11 - 07/06/09 at 20:54:51
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Gambit wrote on 07/06/09 at 20:05:08:
TonyRo wrote on 07/06/09 at 17:26:49:
Incorrect. The positions do transpose, but unfortunately for your cause the color to move doesn't. I get 7. e3 for free, which pretty much changes the evaluation from ~= to +/- or +-. I'd love to play a game over the forum Lev, or through PM's if you'd like to dispute the evaluation. At least respond to Craig's analysis and delve into your super secret files.


So you get 7 e3 for free, big deal. So what? I am sure improvements exist for Black. How about 7...Ng6 ? Black can preserve ...g4 for later.
As for delving into my files, I will do that. There should be some games with this line, as well as 4 Nc3 < 4...h6.

[Match challenge redacted by Markovich.  Please message your match challenges privately.]


So what if I get 7. e3 for free!? It's a free move! If I said I'd give you 1. e4 and 2. d4 for free, you'd say that's an improvement right? 

After 7...Ng6 8. Qd5! looks quite a bit worse. 8...Qe7 would be met by 9. Nd5, and 8...0-0 9. 0-0-0 g4 10. Nd4 Ngxe5 11. Nf5 looks disasterous.
  
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Re: Englund/Zilbermints Gambit & Wigglesworth Defe
Reply #10 - 07/06/09 at 20:35:05
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Would those wishing to issue match challenges please do so by private correspondence?  These are essentially off-topic and they amount to chest-puffing.

Also, could we please keep the mockery to a minimum?  I am happy to see so much actual chess analysis here; unhappy to see so much mockery of the proponent of the many Zilbermints gambits (which I admit I have engaged in myself from time to time).
  

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Re: Englund/Zilbermints Gambit & Wigglesworth Defe
Reply #9 - 07/06/09 at 20:05:08
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TonyRo wrote on 07/06/09 at 17:26:49:
Incorrect. The positions do transpose, but unfortunately for your cause the color to move doesn't. I get 7. e3 for free, which pretty much changes the evaluation from ~= to +/- or +-. I'd love to play a game over the forum Lev, or through PM's if you'd like to dispute the evaluation. At least respond to Craig's analysis and delve into your super secret files.


So you get 7 e3 for free, big deal. So what? I am sure improvements exist for Black. How about 7...Ng6 ? Black can preserve ...g4 for later.
As for delving into my files, I will do that. There should be some games with this line, as well as 4 Nc3 < 4...h6.

[Match challenge redacted by Markovich.  Please message your match challenges privately.]
  
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Re: Englund/Zilbermints Gambit & Wigglesworth Defe
Reply #8 - 07/06/09 at 18:30:24
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After 1.d4 e5 2.dxe5 Ne7 perhaps just 3.Nf3 followed by 4.Nc3.  I doubt Black has better than to go into the main line.

2...Nc6 3.Nf3 Nge7 4.Nc3 h6 5.Bf4 g5 6.Bg3 Bg7 7.e3 g4 8.Nd4 Nxe5 9.Bxe5 Bxe5 10.Qxg4 appears to leave White a pawn up for nothing.   Therefore I agree that 7...Nf5 8.Qd5 is critical.  Taking the analysis further, I'm not convinced by 8...d6 9.Bb5 0-0 10.Bxc6 Be6 11.Qb5 bxc6 12.Qxc6 Nxg3 13.hxg3 dxe5.  White should have an edge in this position due to the extra pawn, but Black has plenty of open lines and freer piece play as well as the bishop pair.  An assessment of "+=" seems fair IMHO. 

Therefore White should have a closer look at 9.0-0-0.  After 9...Nxg3 10.hxg3 Nxe5 11.Nxe5 Bxe5 12.f4 Bxc3+ 13.bxc3 Qf6 14.Bb5+, 14...Ke7 looks a slight improvement, 15.fxg5 Qxc3 ~/+=.  So I prefer 12.Qe4, preventing the exchange on c3.  Now the f-pawn push is a real threat.  12...f5 (12...g4 13.f4 gxf3 14.gxf3 with the awkward threat of 15.f4) 13.Qb4 and White has a nice advantage in view of the weakened black kingside and better development.

It is probably easier, though, just to fall back upon 8.Bc4 or 8.Qd3, guaranteeing a tidy and safe advantage.  For instance 8.Qd3 Nxg3 9.hxg3 Nxe5 10.Nxe5 Bxe5 11.0-0-0 and White is better due to the lead in development.   In either case, in my opinion, White's advantage lies somewhere between += and +/-.
  
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Re: Englund/Zilbermints Gambit & Wigglesworth Defe
Reply #7 - 07/06/09 at 17:26:49
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Incorrect. The positions do transpose, but unfortunately for your cause the color to move doesn't. I get 7. e3 for free, which pretty much changes the evaluation from ~= to +/- or +-. 

[Match challenge redacted by Markovich.  Please message your match challenges privately.]

At least respond to Craig's analysis and delve into your super secret files.
« Last Edit: 07/06/09 at 20:30:58 by Markovich »  
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Re: Englund/Zilbermints Gambit & Wigglesworth Defe
Reply #6 - 07/06/09 at 16:49:50
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TicklyTim? A. Patzer - B.Ginner? What are you talking about?

[Insulting characterization redacted by Markovich.]

The Wigglesworth Defense is (after 1 d4 e5 2 dxe5 Nc6 3 Nf3 Nge7) is 4 Bg5

Now after 4...h6 5 Bh4 g5 6 Bg3 Bg7 

Alternative: 6...Nf5, the Stadelman Attack, named for Samuel Leigh Stadelman who first analyzed it.

                         6...Ng6 with a later ...Bg7


7 Nc3 transposes to the line you give after 1 d4 e5 2 dxe5 Nc6 3 Nf3 Nge7 4 Nc3 h6

As for the line 1 d4 e5 2 dxe5 Ne7 is not a good idea. White might play 3 f4 protecting the e4-pawn. This is why 2...Nc6 is better, seeing how it develops the Nb8 with tempo.
« Last Edit: 07/06/09 at 20:32:12 by Markovich »  
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Re: Englund/Zilbermints Gambit & Wigglesworth Defe
Reply #5 - 07/06/09 at 15:14:29
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CraigEvans wrote on 07/06/09 at 14:22:49:
B.Ginner actually suggested this in his notes to the game, and suggested the crazy gambit line 4.b4 axb4 5.c3!? with some compensation. As for the name, you've got it.  Wink


I was thinking that the TicklyTim-Evans sub-gambit-counterattack variation-system-gambit sacrificed a pawn to gain the open a or b-files, but the new 5.c3!? is a stroke of genius!! To gain a tempo in developing the Knight to c3 AND have an open b-file. 
Fame at last!  Cheesy. Though I think if the 5.c3 proves a winner (as I'm sure it will), I should defer the naming of the line to B.Ginner.
  
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Re: Englund/Zilbermints Gambit & Wigglesworth Defe
Reply #4 - 07/06/09 at 14:22:49
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B.Ginner actually suggested this in his notes to the game, and suggested the crazy gambit line 4.b4 axb4 5.c3!? with some compensation. As for the name, you've got it.  Wink
  

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Re: Englund/Zilbermints Gambit & Wigglesworth Defe
Reply #3 - 07/06/09 at 14:03:27
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CraigEvans wrote on 07/06/09 at 12:18:36:
A very good question TN. I had to refer to my copy of "Die schachen-turd" (of which I own the only copy), which suggests 3.g4 Nbc6 4.b4!, the Evans sub-gambit-counterattack variation-system. In A. Patzer (1437) - B.Ginner (1522), black chose to sacrifice another pawn with 4...d6 5. exd6 Ng6!?, but did not obtain sufficient compensation after 6.h4.


What happens if black pre-empts the Evans sub-gambit-counterattack variation-system with 3...a5 the Anti-Evans sub-gambit-counterattack variation-system.
Does white play 4.b4 anyway? If this is any good (or not) how do I go about getting it to be called the TicklyTim-Evans sub-gambit-counterattack variation-system-gambit.  Huh
  
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Re: Englund/Zilbermints Gambit & Wigglesworth Defe
Reply #2 - 07/06/09 at 12:18:36
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A very good question TN. I had to refer to my copy of "Die schachen-turd" (of which I own the only copy), which suggests 3.g4 Nbc6 4.b4!, the Evans sub-gambit-counterattack variation-system. In A. Patzer (1437) - B.Ginner (1522), black chose to sacrifice another pawn with 4...d6 5. exd6 Ng6!?, but did not obtain sufficient compensation after 6.h4.
  

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Re: Englund/Zilbermints Gambit & Wigglesworth Defe
Reply #1 - 07/06/09 at 11:08:03
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What do you recommend against the Accelerated Zilbermints with 1.d4 e5 2.de5 Ne7?. According to my extensive analyses in almost completely unknown periodicals, Black gains tremendous compensation for the pawn. In the only game with this line (between a 1700 and 1650), Black missed a good opportunity to equalise.
  

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Englund/Zilbermints Gambit & Wigglesworth Defe
07/06/09 at 09:31:59
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For those who don't know this (i.e. everyone bar about 10 people in the world), this runs 1.d4 e5 2.dxe5 Nc6 3.Nf3 Nge7.

Here we have the starting position of the Zilbermints Gambit (which, at least to my mind, falls as a sub-variation of the whole Englund Gambit complex, although I appreciate others reserve that moniker for Englund's 3...Qe7 only). The Wigglesworth is reached after 4.Bg5 h6 5.Bh4 g5 6.Bg3 Bg7.

Now, personally, I think that 4.Bg5 is giving black exactly what he wants, and after 7.e3 g4 8.Nd4 Nxe5 9.Bxe5 Bxe5, black is at least equal (9.Qxg4? c5! is clearly better for black). I much prefer Tony's original idea of 4.Nc3.

Now, firstly I have to point out an error by Lev, who states that Bucker recommends 4...h6, "which might transpose to the Wigglesworth after 5.Bf4 g5 6.Bg3 Bg7". Now, exactly how is this a transposition when white has the additional move Nc3? That has to change the assessment of the line completely I'm afraid - white has a strong developing move, removes the possible threat against b2 in some lines, and is a move closer to queenside castling.

So, as TonyRo suggests, te analogous 7.e3 here changes the assessment completely, from = to +/-. 

a) 7...g4 8.Nd4 Nxe5 9.Bxe5 Bxe5 10.Qxg4 +/- - White has the better pawn structure, no lack of development, good prospects for his last piece, and the ability to castle queenside. Black has isolated f- and h-pawns, will need to play another pawn move before he can develop his QB, and that means at least another three moves before he can look to castle Q-side (if he wishes to). 
b) 7...Nf5 8.Qd5!? looks strong to me - 8...Qe7 9.Qc4! prevents any Qb4 ideas, and also prevents sequences like 9...Nxg3 10.hxg3 Nxe5 due to 11.Qxc7 +/-. So, black may have to resort to something like 8...d6 instead, which just looks unnatural with the black bishop on g7 instead. 9.Bb5 looks a try here (though 9.O-O-O Nxg3 10.hxg3 Nxe5 11.Nxe5 Bxe5 12.f4! is an interesting try, claiming that white is so far ahead in development as to render the capture on c3 insignificant - 12...Bxc3 13.bxc3 Qf6 14.Bb5+! Kf8 15.fxg5! +/-), when 9....O-O 10.Bxc6 Be6 11.Qb5 bxc6 12.Qxc6 when black has pretty much nothing for his material, the bishop pair has little to bite on and I can't believe it's worth a pawn. If I'm wrong, however, then white has TonyRo's good alternatives in 8.Bc4 and 8.Qd3, both of which look better for white also. 8.Qd3 prevents the 8...d6 idea, but does allow black to acheive material equality with 8...Nxg3 9.hxg3 Nxe5 10.Nxe5 Bxe5 11.f4 Bg7 12.O-O-O - I personally think white is quite a bit better here, but this might be playable for black. 8.Bc4 prevents this recapturing idea (due to Bxf7+ motifs), but allows 8...g4 9.Nd4 Nxg3 10.hxg3 Nxe5, which is probably playable for black after lines such as 11.Bb3 d6 +/= - I've played these sorts of positions as black and I'm quite happy with them, so this wouldn't scare me at all. So, in my view at the moment, 8.Qd5 is the most testing move after 8...Nf5.
  

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