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Very Hot Topic (More than 25 Replies) NEW BDG BOOK (Read 219950 times)
Gambit
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Re: NEW BDG BOOK
Reply #186 - 12/20/11 at 08:17:08
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See, Chevy, that's being unaware of the proper move order and theory.  To answer your question, after 1 d4 Nf6 try 2 f3. This avoids the pesky Hubsch Gambit, which even I don't trust, and steers the game into the BDG after 2...d5 3 e4 dxe4 4 Nc3. Of course, you might have to be prepared to play against the Pirc Defense, 2 f3 d6 3 e4 g6, etc. or the Benoni, 2 f3 c5 3 d5.

Regarding the Lemberger Counter Gambit, there are several ways to play against it. After 1 d4 d5 2 e4 dxe4 3 Nc3 e5, White can play 4 Nge2, the Rasmussen Attack, or 4 Nxe4, the Lange Gambit. Since the opponent cannot use a computer in OTB chess, you have good chances.

Grandmasters are conservative and don't like to take risks with the BDG.  Nevertheless, IM and GM games with the BDG exist. Do your research.
  
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ChevyBanginStyle
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Re: NEW BDG BOOK
Reply #185 - 12/20/11 at 04:16:22
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That Black can play 1.d4 Nf6 2.Nc3 d5 3.e4 Nxe4 or 1.d4 d5 2.e4 dxe5 3.Nc3 e5 and get a good game pretty much nullifies the practical value of the gambit in my eyes. I doubt titled players are abstaining from the BDG on the status of the Alchemy Variation. Smith-Morra players at least have the respite that c3 Sicilian transpositions in the declined variations represent a decent practical try for an edge. I think this is a big thing going against the BDG from a practical perspecitive. The highest level OTB games in the BDG seem to usually occur by transposition from other openings like the Caro-Kann or the Dutch. I'll easily concede that many of the accepted lines look dangerous for Black, but I'd never play the White side due to all the move order difficulties.
  
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SWJediknight
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Re: NEW BDG BOOK
Reply #184 - 12/19/11 at 14:26:44
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I think 11...0-0! certainly looks like the way for Black to go.  There was an earlier thread in which 12.c3 Nd5 13.Qg4 Nd7 14.Qg3 Nxf4 15.Rxf4 h6!? was suggested:
http://www.chesspub.com/cgi-bin/yabb2/YaBB.pl?num=1235624393
Again the sacrifices on e6 fall short of full compensation and 16.Ne4 Nb6 17.Bd3 Nd5 sees Black consolidating.  With two probable improvements over Scheerer's analysis (which, in itself, ends with "White should be able to hold despite his slightly inferior structure"), my current view is that the "Alchemy Variation", though a better try than the old main line 8.Ne5, is also insufficient against accurate play.

Carsten Hansen (who I generally hold in high regard as a reviewer, but I thought his review of Scheerer's book reflected his prejudices against the opening) concluded from this that "despite all the smoke and mirrors, the Blackmar-Diemer Gambit still isn't viable beyond club-level or rapid-play games", but evidently missed the coverage of Gutman/Bücker's line with Bg5 and Nh4, in which Black is yet to prove more than dynamic equality.
  
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MNb
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Re: NEW BDG BOOK
Reply #183 - 12/18/11 at 16:57:17
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One point that might influence Scheerer's assessment of an entire variation and even of the entire BDG is, not surprisingly, to be found in the Von Hennig-Milner Barry Gambit, incorrectly but commonly called the Ziegler Defence.

1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Bc4 Nf6 5.f3 exf3 6.Nxf3 Bf5 7.O-O e6 8.Ng5 Bg6 9.Ne2 Bd6 10.Nf4 Bxf4 11.Bxf4 O-O 12.c3 (12.Bxe6 h6!) and here Black might play 12...h6. The sacs on e6 still don't work and after 13.Nf3 Nbd7 14.Qd2 Qe7 the sac on h6 doesn't give enough compensation either. So White is left with the typical Caro-Kann like position, enjoying an extra pawn, with only the pair of Bishops in return.

Positive news: White can avoid the draw 11...Nd5 12.Qg4 Nf6 13.Qd1 Nf6 14.Qg4 Nf6 with 13.Qe2 Qxd4+ 14.Be3 Qxb2 15.Bxe6 fxe6 16.Nxe6 Kd7 17.Bd4 unclear.
  

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Jonathan Tait
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Re: NEW BDG BOOK
Reply #182 - 06/08/11 at 18:43:39
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Quote:
Today at 12:21:32
In: Re: NEW BDG BOOK
By: Stefan Buecker


so where is it? Huh
  

blog inspired by Bronstein's book, but using my own games: http://200opengames.blogspot.co.uk/
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GMTonyKosten
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Re: NEW BDG BOOK
Reply #181 - 05/31/11 at 18:44:10
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I've just noticed that this month's d-Pawn Special update on the BDG came out on the anniversary of Blackmar's birth (in 1826)! Smiley
  
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Re: NEW BDG BOOK
Reply #180 - 05/30/11 at 15:31:08
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I removed the "again" from Lev's post since it scalded some people's eyeballs.  Now let's get on with the chess.  If somebody doesn't like my moderation, they can take it up with Tony.
  

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Re: NEW BDG BOOK
Reply #179 - 05/28/11 at 17:42:52
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In addition it's another of those errors that doesn't actually cast doubt upon Scheerer's assessment of the variations as a whole.  He regards 8.Qf2 as dubious, 8.Be3 as a good way to slowly build up an attack and 8.g4 as a good way to go all-out for the black king, with approximate equality in both cases.
  
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Re: NEW BDG BOOK
Reply #178 - 05/28/11 at 15:04:18
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Gambit wrote on 05/28/11 at 12:24:37:
Scheerer gives incorrect analyses on the top of page 258,  in his book. This time it is the Teichmann Defense, Cieselski Attack. The line in question goes 1 d4 d5 2 e4 dxe4 3 Nc3 Nf6 4 f3 exf3 5 Nxf3 Bg4 6 h3 Bxh3 7 Qxf3 c6 8 Qf2.

Now the line continues with 8...e6 9 Bg5 Be7 10 Bd3 Nbd7 11 00 00 12 Qh4 g6 as played in Zilbermints - Jackson Hueckel (1977), New York, 5/27/2011. There followed 13 Ne4 Nd5 14 c4 Bxg5 15 Nxg5 N5f6 16 Qh6 Qe7 17 Rf4 Rf8-d8 18 Raf1 Qf8

In this critical position, the computer gives 19 Qxf8+ Rxf8 20 Rf6 Nxf6 21 Rxf6 Rad8 22 Nf3 Kg7 23 Rf4, and evaluates it as =/=+ depending on the moves Black makes.

Instead, the game continued 19 Qh4 Qg7 20 Ne4 Nh5 21 Ng5? (R4f2 is better) Nxf4 22 Rxf4 Rf8 23 Qf2 Rae8 24 Ne4 e5 25 dxe5 Qxe5 26 c5 f5 27 Nd6 Qe1+ 28 Qxe1 Rxe1 29 Kf2 Re5 30 b4 b6 31 cb6 32 Nb6 32 Bb1 Rd5 33 Nb7   

Here we went into a time scramble. My opponent had less than 5 minutes remaining on his clock. I pressed on, and eventually was able to win the game by forking his Rook and King with the Knight.

1-0.

My question is, after 11...00 12 Qh4 g6 13 Rae1 Nd5 14 Ne4 f6 15 Bh6  Rf7 16 c4 Nb4 17 Be2 c5 what does White have in terms of attacking chances? I do not see anything! Neither does my computer!


There's probably nothing after 17.Be2 c5! -/+ but 17.Bb1! is possible and then it's not so clear.



« Last Edit: 05/30/11 at 15:45:23 by Markovich »  
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Gambit
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Re: NEW BDG BOOK
Reply #177 - 05/28/11 at 12:24:37
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Scheerer gives incorrect analyses on the top of page 258,  in his book. This time it is the Teichmann Defense, Cieselski Attack. The line in question goes 1 d4 d5 2 e4 dxe4 3 Nc3 Nf6 4 f3 exf3 5 Nxf3 Bg4 6 h3 Bxh3 7 Qxf3 c6 8 Qf2.

Now the line continues with 8...e6 9 Bg5 Be7 10 Bd3 Nbd7 11 00 00 12 Qh4 g6 as played in Zilbermints - Jackson Hueckel (1977), New York, 5/27/2011. There followed 13 Ne4 Nd5 14 c4 Bxg5 15 Nxg5 N5f6 16 Qh6 Qe7 17 Rf4 Rf8-d8 18 Raf1 Qf8

In this critical position, the computer gives 19 Qxf8+ Rxf8 20 Rf6 Nxf6 21 Rxf6 Rad8 22 Nf3 Kg7 23 Rf4, and evaluates it as =/=+ depending on the moves Black makes.

Instead, the game continued 19 Qh4 Qg7 20 Ne4 Nh5 21 Ng5? (R4f2 is better) Nxf4 22 Rxf4 Rf8 23 Qf2 Rae8 24 Ne4 e5 25 dxe5 Qxe5 26 c5 f5 27 Nd6 Qe1+ 28 Qxe1 Rxe1 29 Kf2 Re5 30 b4 b6 31 cb6 32 Nb6 32 Bb1 Rd5 33 Nb7   

Here we went into a time scramble. My opponent had less than 5 minutes remaining on his clock. I pressed on, and eventually was able to win the game by forking his Rook and King with the Knight.

1-0.

My question is, after 11...00 12 Qh4 g6 13 Rae1 Nd5 14 Ne4 f6 15 Bh6  Rf7 16 c4 Nb4 17 Be2 c5 what does White have in terms of attacking chances? I do not see anything! Neither does my computer!
« Last Edit: 05/30/11 at 15:35:06 by Markovich »  
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Re: NEW BDG BOOK
Reply #176 - 04/13/11 at 07:44:19
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Thank you, Tony.
  
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Re: NEW BDG BOOK
Reply #175 - 04/12/11 at 19:12:39
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Correct me if I'm wrong here people:

1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 c6 6. Bc4 Bf5 7. 0-0 e6 8. Ng5 Bg6 9. Ne2 and so on...
  
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Markovich
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Re: NEW BDG BOOK
Reply #174 - 04/12/11 at 18:52:37
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OldGrizzly wrote on 04/12/11 at 18:19:27:
MNb wrote on 04/08/11 at 09:46:31:
I don't agree. 17.Rxb7 wins Knight d7, because White gets the Bishop on b6.
Immediately 13...Nf6 idea 14.Nb5 Na6 might be an improvement.

Of course, you are right. I was focused only on Gambit's idea to play Ne5.

I'd like to have a look at Alchemy variation which was discussed heavily on this forum. After 8...Bg6 9.Ne2 Bd6 10.Nf4 Bxf4 11.Bxf4 0-0 12.c3 Nd5 Scheerer suggests 13.Qg4!? Nd7 14.Qg3 Nxf4 15.Rxf4. Now he only mentioned 15...Nf6 and 15...c5. But what's with 15...h6? I didn't find any good answer. Can anybody help?


For the benefit of all us very few people who don't know the BDG inside and out (honestly, I wonder why we even bother coming to this forum, now that the BDG dominates play at all levels), would you please put all the moves?
  

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OldGrizzly
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Re: NEW BDG BOOK
Reply #173 - 04/12/11 at 18:19:27
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MNb wrote on 04/08/11 at 09:46:31:
I don't agree. 17.Rxb7 wins Knight d7, because White gets the Bishop on b6.
Immediately 13...Nf6 idea 14.Nb5 Na6 might be an improvement.

Of course, you are right. I was focused only on Gambit's idea to play Ne5.

I'd like to have a look at Alchemy variation which was discussed heavily on this forum. After 8...Bg6 9.Ne2 Bd6 10.Nf4 Bxf4 11.Bxf4 0-0 12.c3 Nd5 Scheerer suggests 13.Qg4!? Nd7 14.Qg3 Nxf4 15.Rxf4. Now he only mentioned 15...Nf6 and 15...c5. But what's with 15...h6? I didn't find any good answer. Can anybody help?
  
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MNb
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Re: NEW BDG BOOK
Reply #172 - 04/08/11 at 09:46:31
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I don't agree. 17.Rxb7 wins Knight d7, because White gets the Bishop on b6.
Immediately 13...Nf6 idea 14.Nb5 Na6 might be an improvement.
  

The book had the effect good books usually have: it made the stupids more stupid, the intelligent more intelligent and the other thousands of readers remained unchanged.
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