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Berlin Wall: alternative variation (Read 6386 times)

PatzerNoster Full Member Offline I Love ChessPublishing! Posts: 152 Joined: 10/22/09	Re: Berlin Wall: alternative variation Reply #7 - 09/29/10 at 10:30:11	Post Tools	Print Post
	In that Chernov-Buhmann game 16.Be3 looks promising for white which could explain why Buhmann switched to h5 instead of Be7 in later games. Anyway, the fact that no top player plays this line means that there is something suspicious about it...


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zoo Ex Member	Re: Berlin Wall: alternative variation Reply #6 - 09/16/10 at 23:31:13	Post Tools	Print Post
	Very nice! since White plays 7.a4 to kill the game anyway, that closes one more door for Black. Thanks a lot.


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chk God Member Offline a pawn is a pawn Posts: 1063 Location: Athens Joined: 10/26/06 Gender:	Re: Berlin Wall: alternative variation Reply #5 - 09/16/10 at 15:11:23	Post Tools	Print Post
	Strange, I also play this variation and have never faced 7. ... Nxe5 (it's usually ...Nbd4 or ...d6 or ...Nd6). The Rio variation (5. Re1) is also an easy to play alternative, but could easily lead to a draw.

	"I play honestly and I play to win. If I lose, I take my medicine." - Bobby
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TN God Member Offline Posts: 3420 Joined: 11/07/08 Gender:	Re: Berlin Wall: alternative variation Reply #4 - 09/16/10 at 13:33:58	Post Tools	Print Post
	Quote: Hi. I sometimes play the 7.a4 line but never met 7...Nxe5 8.Nxe5 Nd6. A couple of questions : 1. what about 9.Re1 Be7 10.Bg5 Nf5 11.Nxf7? White can recover his piece for sure, but I suspect this move is just rubbish. Perhaps this can be easily sorted out with today's computers ? 2. the idea 9.Qg4 Be7! 10.Qxg7 looks unpromising for White, but perhaps 9.Nc3 Be7 10.Qg4 is a better try ? After all, White has to make the d6 knight work for him. Thanks for any light on the matter, zoo. 11.Nf7 is White's best move, settling for a draw after 11...Kf7 12.Be7 Ne7 13.Qf3 Kg6 14.Qg3 Kf7 15.Qf3. Playing for a win is not recommended: 14.Nc3? Nf5! 15.Nd5 d6 16.Nf4 Kf7 17.Nd5 h5 18.Re7 Qe7 19.Ne7 Ke7 20.Re1 Kd8 and Black is better. An important idea, since it means that White can play 7.a4 knowing that he has a draw in the bag after 7...Ne5 if he wants it. 9.Qg4 Be7 10.Qg7 Bf6 11.Qg3 is better for White according to Firebird, but Matamoros indicates that after 9...h5 10.Qh3 Ne4! 11.Qf5 Qe7! as played in Recuero Guerra-Lopez Salgado, Padron 2008, Black has absolutely no problems. White can also try 10.Qe2 as in Huerga Leache-Recuero Guerra, Pamplona 2008, but then 10...Be7 11.Rd1 Nf5 12.Nc3 d6 13.b3 0-0!? is promising for Black.

	All our dreams come true if we have the courage to pursue them.
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zoo Ex Member	Re: Berlin Wall: alternative variation Reply #3 - 09/16/10 at 13:00:38	Post Tools	Print Post
	Hi. I sometimes play the 7.a4 line but never met 7...Nxe5 8.Nxe5 Nd6. A couple of questions : 1. what about 9.Re1 Be7 10.Bg5 Nf5 11.Nxf7? White can recover his piece for sure, but I suspect this move is just rubbish. Perhaps this can be easily sorted out with today's computers ? 2. the idea 9.Qg4 Be7! 10.Qxg7 looks unpromising for White, but perhaps 9.Nc3 Be7 10.Qg4 is a better try ? After all, White has to make the d6 knight work for him. Thanks for any light on the matter, zoo.


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Djy Full Member Offline Non mais y connait pas Raoul! Posts: 157 Joined: 03/21/10	Re: Berlin Wall: alternative variation Reply #2 - 09/16/10 at 12:39:35	Post Tools	Print Post
	[Event "Pfalz op 2nd"] [Site "Neustadt an der Weinstrasse"] [Date "2009.02.19"] [Round "6"] [White "Chernov, Vadim"] [Black "Buhmann, Rainer"] [Result "0-1"] [ECO "C67"] [WhiteElo "2455"] [BlackElo "2565"] [PlyCount "96"] [EventDate "2009.02.15"] [EventType "swiss"] [EventRounds "9"] [EventCountry "GER"] [Source "ChessBase"] [SourceDate "2009.03.05"] 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. dxe5 Nxb5 7. a4 Nxe5!? a rare move 8. Nxe5 Nd6 9. Qg4 Be7!? 5 (9... h5 10. Qe2 +=) 10. Qxg7 Bf6 11. Re1 Qe7 12. Qg3 (12. Qg4!? 5 Bxe5 13. Nc3 c6 14. f4 h5 15. Qf3 Nc4 16. fxe5 d5 17. Qg3 {is another try}) 12... Nf5 13. Qf4 d6 14. Nf3 Be6 15. Nc3 c6 16. Ne4 O-O-O the g column is a clear compensation 17.Nxf6 Qxf6 18. Qg5 Qxg5 19. Bxg5 Rde8 20. Bf6 Rhg8 21. Nd4 Nxd4 22. Bxd4 c5 23.Be3 Bd5 24. g3 Bf3 25. Bf4 Kd7 26. Re3 Rxe3 27. fxe3 Rg6 28. Kf2 Be4 29. c4 a5 30. Rc1 Kc6 31. Ke2 h5 32. Kd2 d5 33. Kc3 dxc4 34. Kxc4 Bd5+ 35. Kc3 Re6 36.Kd3 Re4 37. h4 Rxa4 38. g4 hxg4 39. h5 Be4+ 40. Ke2 Ra2 41. Be5 a4 42. Kf1 Kd5 43. Bg7 a3 44. bxa3 g3 45. Rd1+ Ke6 46. Rd8 Ke7 47. Rg8 g2+ 48. Kg1 f6 0-1

	La connerie c'est la décrontaction de l'intelligence Gainsbourg La victoire est brillante mais l'échec est mat! Coluche
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TN God Member Offline Posts: 3420 Joined: 11/07/08 Gender:	Re: Berlin Wall: alternative variation Reply #1 - 09/16/10 at 10:36:06	Post Tools	Print Post
	This 6.de5 variation is interesting, but objectively after 7...Ne5 8.Ne5 Nd6 White has no advantage whatsoever.

	All our dreams come true if we have the courage to pursue them.
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Djy Full Member Offline Non mais y connait pas Raoul! Posts: 157 Joined: 03/21/10	Berlin Wall: alternative variation 08/09/10 at 21:23:34	Post Tools	Print Post
	in the first round of the french's championship(Today) i've found an intersting game. After the opening the position look dry but in fact not! Not a new variation at all but this one seem to be more and more popular [Event "85e Champ. France 'A'"] [Site "Belfort/France"] [Date "2010.08.09"] [Round "1"] [White "Hamdouchi, Hicham"] [Black "Tkachiev, Vladislav"] [Result "1-0"] [ECO "C67"] [WhiteElo "2600"] [BlackElo "2639"] [PlyCount "99"] [EventDate "2010.??.??"] [TimeControl "40/5400+30:1800+30"] 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. dxe5!? Nxb5 7. a4 Nbd4 8. Nxd4 Nxd4 9. Qxd4 d5 10. exd6 Qxd6 11. Qe4+ Qe6 12. Qf3 Bd6 13. Bf4 O-O 14. Bxd6 Qxd6 15. Nc3 c6 16. Rfe1 Qg6 17. Re7 Hicham sac two pawn for attack! Qxc2 18. Rae1 Qxb2 19. h4 Qb4 20. Qg3 Bf5 21. R1e3 Rad8 22. R7e5 Be6 23. Rg5 Qd4 24. Ree5 g6 25. h5 Qd3 26. Re3 Qd6 27. hxg6 Qxg3 28. gxh7+ Kh8 29. Rexg3 f6 30. Rg6 Rd7 31. Ne4 Rxh7 32. Nxf6 Rh4 33. R3g5 Bf7 34. Rg7 Rh6 35. Rxf7 Rxf6 36. Rxb7 Rxf2 37. Rh5+ Kg8 38. Rg5+ Kh8 39. Rxa7 R8f7 40. Rxf7 Rxf7 41. Rg3 c5 42. Ra3 Kg7 43. a5 Ra7 44. Kf2 Kf6 45. a6 Ke5 46. Ke3 Kd5 47. Ra4 Kc6 48. Kd3 Kb6 49. Kc4 Rg7 50. a7 1-0

	La connerie c'est la décrontaction de l'intelligence Gainsbourg La victoire est brillante mais l'échec est mat! Coluche
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