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Very Hot Topic (More than 25 Replies) Lifetime 1...e5 repertoire (Read 58399 times)
MNb
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Re: Lifetime 1...e5 repertoire
Reply #65 - 06/04/13 at 02:55:16
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Paddy wrote on 06/04/13 at 01:55:48:
I analysed this line many years ago and concluded that Black is OK after ..... 13...f6 14. Rhe1 Kf7 and it's a game.

This can be found in Dick Smit's 1982 book on the Göring Gambit (it's in Dutch, so you probably won't know it) and was played in a corr. game Feytens-Petzold, 1974. The game went 15.g4 Nxg7 16.Bxg7 and here Feytens proposed 16...Bxg4 17.Bh6 Bxf3 18.Rd7 Kg6 with complete equality. So Smit proposed 15.Nh4. I have analyzed this many years ago and didn't come to any conclusion. Note 14.Nd4 Nxg7 (Nc5 15.Nb5) 15.Rhe1+ Kf7 16.Bf4 Ne6 17.Nf5 or 16.Bxg7 Kxg7 17.Nb5 Rxg2 18.Nxc7 and 19.Rd8.
Taking the second pawn is the principled and ambitious choice; I won't object if Black feels like battling it out. Alekhine's plan is the pragmatic one.
Thanks for the compliment. The recipe is quite simple: I like to play open gambits and thus recommend the defences that bother me most.
  

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Markovich
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Re: Lifetime 1...e5 repertoire
Reply #64 - 06/04/13 at 02:06:56
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Black's line of play in Good-Morss had occurred to me many years before, while analyzing Firnhaber's book. I wrote it down inside the back cover.  I just about fell out of my chair when I realized that I was going to have a chance to show it off in the USCCC.

OTB I don't trust my defensive skill enough to accept the Danish or the Goering, but play ...d5 instead. That line plays itself, and White can still misplay.
  

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Paddy
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Re: Lifetime 1...e5 repertoire
Reply #63 - 06/04/13 at 01:55:48
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MNb wrote on 06/01/13 at 16:33:58:
ChevyBanginStyle wrote on 05/31/13 at 17:43:25:
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.c3 dxc3 5.Bc4 Nf6!? 6.Nxc3 Bb4 7.e5 d5!, ..... I think Black is not worse and may have a slight edge in the arising endgame.

I disagree. 8.exf6 dxc4 9.Qxd8+ and the only question is if White's initiative provides more than just sufficient compensation. White can always use his/her initiative to simplify to a dead drawn endgame, because of the Bishops of opposite colours. After Nxd8 10.fxg7 Rg8 11.Bh6 Bxc3+ 12.bxc3 Ne6 White's results always have been excellent.
I understand your desire to cut some theory here, but I think with this line you pay too heavy a price. An option that might take White out of his/her comfort zone is the blockading strategy from Nyholm-Alekhine, Copenhagen 1912: 4...d5 5.exd5 Qxd5 6.cxd4 Nf6 7.Nc3 Bb4 8.Be2 Ne4 (though you might prefer to play Bf5 before castling, like Alekhine did). From a positional point of view this looks far more attractive for Black than that Queenless middlegame line.


I analysed this line many years ago and concluded that Black is OK after 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.c3 dxc3 5.Bc4 Nf6 6.Nxc3 Bb4 7.e5 d5 8.exf6 dxc4 9.Qxd8+Nxd8 10.fxg7 Rg8 11.Bh6 Ne6 12.0-0-0 Bxc3 13. bxc3 and now 13...f6 14. Rhe1 Kf7 and it's a game.

Then if 15.Nh4 Nc5 aiming for counterplay seems the best way to handle it, rather than rushing to capture the g7-pawn. White's best try might be 15. Re4, answering Black's most ambitious response 15...b5 with 16. Rd5!?.

The chances seem about equal, but it's tricky and my old analysis was not not engine-checked, so "caveat emptor" and all that.

Black definitely needs to know what he is doing, so I'm not really disagreeing very strongly with MNb, whose judgement, especially of open games, has proved time and time again on this forum to be pretty reliable and certainly always worth our attention.
  
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SWJediknight
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Re: Lifetime 1...e5 repertoire
Reply #62 - 06/03/13 at 01:16:50
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In your first line, 5.Bc4 cxb2 6.Bxb2 Bb4+ 7.Nc3 Nf6 8.Qc2 d6 9.0-0-0 Bxc3 10.Qxc3 Be6 11.Rhe1 Bxc4 12.Qxc4 0-0 13.e5, my main problem from White's perspective is 13...Nd7 as played in the game Mastrovasilis-Graf, Furth 2002.  Black is prepared to return one pawn on d6 but in doing so is able to open up lines against White's naked king.

9...0-0 should be theoretically better for Black but statistically the defence proves very difficult in over-the-board play (in correspondence chess though it is probably the way for Black to go- Good-Morss, corr. 1999 was indeed a good illustration of Black's resources).
  
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ChevyBanginStyle
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Re: Lifetime 1...e5 repertoire
Reply #61 - 06/02/13 at 03:31:15
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All right, I'm going with the "manly" 9.0-0-0 0-0!. It must be so. No "yellow coward" defenses for me! Apparently I am in good company as I found a reference to the game G. Good - M. Morss, USCCC-13 Final 1999.
  
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ChevyBanginStyle
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Re: Lifetime 1...e5 repertoire
Reply #60 - 06/01/13 at 18:44:46
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MNb wrote on 06/01/13 at 16:33:58:
ChevyBanginStyle wrote on 05/31/13 at 17:43:25:
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.c3 dxc3 5.Bc4 Nf6!? 6.Nxc3 Bb4 7.e5 d5!, ..... I think Black is not worse and may have a slight edge in the arising endgame.

I disagree. 8.exf6 dxc4 9.Qxd8+ and the only question is if White's initiative provides more than just sufficient compensation. White can always use his/her initiative to simplify to a dead drawn endgame, because of the Bishops of opposite colours. After Nxd8 10.fxg7 Rg8 11.Bh6 Bxc3+ 12.bxc3 Ne6 White's results always have been excellent.
I understand your desire to cut some theory here, but I think with this line you pay too heavy a price. An option that might take White out of his/her comfort zone is the blockading strategy from Nyholm-Alekhine, Copenhagen 1912: 4...d5 5.exd5 Qxd5 6.cxd4 Nf6 7.Nc3 Bb4 8.Be2 Ne4 (though you might prefer to play Bf5 before castling, like Alekhine did). From a positional point of view this looks far more attractive for Black than that Queenless middlegame line.


Yes, Black has to play accurately in that line and I don't think there's a big reward for it either. The more I look at it, I think I'd prefer to play 4...d5 over these positions. So I agree. This appears to be a weakness and would defeat the purpose of accepting the first pawn. I am going to look into the double pawn sacrifice with Danish Dynamite today. I really don't like the look of Kaufman's suggestion for Black:

5.Bc4 cxb2 6.Bxb2 Bb4+ 7.Nc3 Nf6 8.Qc2 d6 9.0-0-0 Bxc3 10.Qxc3 Be6 11.Rhe1 Bxc4 12.Qxc4 0-0 13.e5 Ne8 14.Qc3 f6 15.Qb3+ Kh8 "here too White has plenty of compensation for a pawn, but probably not for two."

I think 14.Qc3 may be an inaccuracy and this looks very difficult to defend. I am going to investigate 9...0-0! to decide whether to continue with the accepted. This seems like the strongest and most dynamic way to play.
  
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MNb
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Re: Lifetime 1...e5 repertoire
Reply #59 - 06/01/13 at 16:33:58
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ChevyBanginStyle wrote on 05/31/13 at 17:43:25:
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.c3 dxc3 5.Bc4 Nf6!? 6.Nxc3 Bb4 7.e5 d5!, ..... I think Black is not worse and may have a slight edge in the arising endgame.

I disagree. 8.exf6 dxc4 9.Qxd8+ and the only question is if White's initiative provides more than just sufficient compensation. White can always use his/her initiative to simplify to a dead drawn endgame, because of the Bishops of opposite colours. After Nxd8 10.fxg7 Rg8 11.Bh6 Bxc3+ 12.bxc3 Ne6 White's results always have been excellent.
I understand your desire to cut some theory here, but I think with this line you pay too heavy a price. An option that might take White out of his/her comfort zone is the blockading strategy from Nyholm-Alekhine, Copenhagen 1912: 4...d5 5.exd5 Qxd5 6.cxd4 Nf6 7.Nc3 Bb4 8.Be2 Ne4 (though you might prefer to play Bf5 before castling, like Alekhine did). From a positional point of view this looks far more attractive for Black than that Queenless middlegame line.
  

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Re: Lifetime 1...e5 repertoire
Reply #58 - 05/31/13 at 20:32:33
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Markovich wrote on 05/31/13 at 20:04:23:
The Modern Defense to the KID, reached via 2...d5, is one part of the repertoire for Black that is on display here:

https://1e5.chesstheory.org/p.php?z=pt&a=29&b=0&c=29&d=0

Use settings to highlight the public repertoire for Black.  The only incomplete portions of the repertoire are the Vienna and some parts of the Bishop's opening, which I expect to complete in the next couple of weeks.

After I've done that, I will move on to the Black side of the Spanish.


Thanks. This is a very nice resource!
  
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Re: Lifetime 1...e5 repertoire
Reply #57 - 05/31/13 at 20:04:23
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The Modern Defense to the KID, reached via 2...d5, is one part of the repertoire for Black that is on display here:

https://1e5.chesstheory.org/p.php?z=pt&a=29&b=0&c=29&d=0

Use settings to highlight the public repertoire for Black.  The only incomplete portions of the repertoire are the Vienna and some parts of the Bishop's opening, which I expect to complete in the next couple of weeks.

After I've done that, I will move on to the Black side of the Spanish.
  

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ChevyBanginStyle
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Re: Lifetime 1...e5 repertoire
Reply #56 - 05/31/13 at 19:25:42
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tony37 wrote on 05/31/13 at 19:15:12:
ChevyBanginStyle wrote on 05/31/13 at 18:14:47:
1.e4 e5 2.f4 exf4 3.Nf3 g5!? 4.h4 g4 5.Ne5 Nf6 6.Bc4 d5 7.exd5 Bd6 8.d4 Nh5 9.Nc3! 0-0! 10.Ne4 Re8 11.0-0 Rxe5 12. dxe5 Bxe5 13.Ng5 h6 14.Re1 Qf6 15.Ne6 f3 is one such line where White must force a perpetual to avoid being mated.

I have 10...f5 11.Ng5 Nd7 in my notes, which looks really better for black. I do agree that 3...g5 means a lot of theory and may not be practical to learn, something like 3...Ne7 may be a lot easier to play, but sharp drawing lines is not the problem as far as I know.


I admit that I did not spend a lot of analytical effort on that line, although I read through the forum notes and Buecker's assessment of compensation for White looked reasonable to me. It looks too dangerous to me and it is very hard for me to accept on positional grounds, as absurd as that may sound in the King's Gambit! It is a funny line. It seems like the one who wins the exchange loses the game.
  
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Re: Lifetime 1...e5 repertoire
Reply #55 - 05/31/13 at 19:15:12
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ChevyBanginStyle wrote on 05/31/13 at 18:14:47:
1.e4 e5 2.f4 exf4 3.Nf3 g5!? 4.h4 g4 5.Ne5 Nf6 6.Bc4 d5 7.exd5 Bd6 8.d4 Nh5 9.Nc3! 0-0! 10.Ne4 Re8 11.0-0 Rxe5 12. dxe5 Bxe5 13.Ng5 h6 14.Re1 Qf6 15.Ne6 f3 is one such line where White must force a perpetual to avoid being mated.

I have 10...f5 11.Ng5 Nd7 in my notes, which looks really better for black. I do agree that 3...g5 means a lot of theory and may not be practical to learn, something like 3...Ne7 may be a lot easier to play, but sharp drawing lines is not the problem as far as I know.
  
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Re: Lifetime 1...e5 repertoire
Reply #54 - 05/31/13 at 18:51:41
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Markovich wrote on 05/31/13 at 18:25:54:
Personally I think that Black has plenty of chances with the Modern KID.  I don't consider playing it "settling for equality."  I also think that White is close to equality with 3...g5, in his best lines.  So I think it's more a question of what kind of game you want to play.


I was very close to choosing the Modern route, because I think Black is pressing in most lines and there is much less to learn. I think White has at least one decent route to equality, but there is often enough play in the position to make it a good practical choice to outplay White. In the Kieseritsky, the play is so sharp that the game can "die" rather quickly.
  
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Re: Lifetime 1...e5 repertoire
Reply #53 - 05/31/13 at 18:25:54
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Personally I think that Black has plenty of chances with the Modern KID.  I don't consider playing it "settling for equality."  I also think that White is close to equality with 3...g5, in his best lines.  So I think it's more a question of what kind of game you want to play.
  

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Re: Lifetime 1...e5 repertoire
Reply #52 - 05/31/13 at 18:14:47
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tony37 wrote on 05/31/13 at 14:27:06:
ChevyBanginStyle wrote on 05/31/13 at 03:57:46:
I was dissatisfied with the elaborate arcane theory and sharp drawing lines in the Kieseritsky (and Rosentreter and Quaade and Pierce and Allgaier and so on), and I didn't want to settle for equality with the Modern like everyone else.

which sharp drawing lines do you have in mind?


1.e4 e5 2.f4 exf4 3.Nf3 g5!? 4.h4 g4 5.Ne5 Nf6 6.Bc4 d5 7.exd5 Bd6 8.d4 Nh5 9.Nc3! 0-0! 10.Ne4 Re8 11.0-0 Rxe5 12. dxe5 Bxe5 13.Ng5 h6 14.Re1 Qf6 15.Ne6 f3 is one such line where White must force a perpetual to avoid being mated. Black can also play 11...Bxe5 which usually leads to mass exchanges into a dead equal endgame if both sides are accurate. This is all in the forum analysis. Of course, I don't think it is an easy draw for White and I found a few interesting deviations not mentioned in the notes; however, I could not find anything that did not change the ultimate assessment. Also it is very impractical for a sideline. The positions are very sharp and demand great accuracy in the long tactical sequences. Gustafsson recommended this approach, but I think it demands heavy analytical work against an expert and a lot of the best lines for Black can lead to a forced draw if White calls it. I searched for winning chances with the greedy and complicated 9.Nc3 Ng3!?, but after the strong rook sacrifice 10.Bxf4!, I think White has at least full compensation and may well even be better. If you play this way as Black, I think you have to accept that White can force a draw if he wants it, because deviating often means Black will be worse.
  
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Re: Lifetime 1...e5 repertoire
Reply #51 - 05/31/13 at 17:43:25
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MNb wrote on 05/31/13 at 10:10:24:
ChevyBanginStyle wrote on 05/31/13 at 03:57:46:
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.c3 dxc3 5.Nc3 Bb4!; 4.Bc4 Nf6!? (Graf might risk it, but eating two pawns is maybe too much for me OTB. I prefer to defend more actively.) 5.Nxc3 Bb4 6.e5 d5!;

As White I would be happy to play the latter - it gives White much better chances than 5.Nxc4 Bb4 6.Bc4 d6 (iso Nf6, to which your line transposes).


My move numbering was off by one (just made an edit). It should be 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.c3 dxc3 5.Bc4 Nf6!? 6.Nxc3 Bb4 7.e5 d5!, but it seems like you understood what I meant. You're probably right about that being better for White than the associated Goering line and I actually agree, but I think Black is not worse and may have a slight edge in the arising endgame. This line is a practical decision to avoid the double pawn sacrifice line, although I think accepting is the most principled decision. The accepted line seems like it could be very difficult to defend over the board and I think it would take many hours of study before I could play it with confidence. I'd be happy to hear any suggestions on how to handle this dilemma, because I think 5.Bc4 is White's most dangerous way to play the accepted Goering.

Quote:
ChevyBanginStyle wrote on 05/31/13 at 03:57:46:
9. King's Gambit 2..exf4 3.Nf3 h6! (Becker);

The exclam is misplaced. 4.d4 g5 5.Nc3 gives White what he/she wants. Who plays 3...g5 4.d4 d6 5.Nc3 and now h6 voluntarily? Still this is exactly your line.
You might check White's chances here:

http://tws27.weebly.com/index.html


I wrestled with that issue in the King's Gambit for quite some time actually. I was deciding between 3...g5, 3...d6, and 3...h6. Eventually, I decided it was best to give White "what he wants," because I think it is simply good for Black. I now consider h6 to be a strong prophylactic move. This is where I part with convention, because most sources consider 3...g5 to be the strongest move.

Thanks for the link. I wasn't aware of it before, although I have been following the forum analysis compiled by Micawber. I'll check it out and see if I can find any new ideas.
« Last Edit: 05/31/13 at 18:57:38 by ChevyBanginStyle »  
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