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Victor Bologan vs Rustam Kasimdzhanov
Pamplona (2001/02), Pamplona ESP, rd 2, Dec-22
Russian Game: Classical Attack. Jaenisch Variation (C42)  ·  1-0

ANALYSIS [x]

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Kibitzer's Corner
Apr-07-07  Resignation Trap: Bologan starts a long combination beginning with 30.Bxh6! and finishes with 41.Nh8+!
Jan-19-20  razetime: After 30. Bxh6 declining with g6 is suicide.
Hence after 30 ..gxh6 there is 31. Qg3+ Kf8 which is very uncomfortable but barely playable, letting black live for a bit.

31 ..Kh8 Nxf7#.

After Ng5, giving back material, there is no going back for black. At 41. Nh8+

1) ..Kg8 42. Nxf6#

2) ..Ke7/e6 42. Re1+ kd8 43. Qxf6+ Kd7 44. Qxf5+ Kd8 45. Nf7+ Ke7 loses the rook and bishop.

Jan-19-20  razetime: Nevermind, 42. Re1+ loses to Be5. My bad. Qxf6 immediately works better.
Jan-19-20  Walter Glattke: 34.Ng6 Bxf5, but I suppose white advantage also for that. 35.Nxe7+ Rxe7 36.Nxf6+ Kf7 37.Rxe7+ Kxe7 38.Qe5+ Be6 39.Qxg5!
Jan-19-20  mel gibson: I wasn't sure.

Stockfish 10 says:

30. Bxh6

(30. Bxh6 (♗f4xh6 g7xh6
♕f2-g3+ ♔g8-f8 ♘e5xf7 ♗e7-g5 ♘f7xd8 ♕b6xd8 ♘e4xg5 ♖e8xe1+ ♖d1xe1 ♘h7xg5 ♗c4xd5 ♕d8xd5 ♕g3-e5 ♕d5xe5 d4xe5 ♔f8-f7 e5-e6+ ♔f7-e7 ♔g1-f2 b7-b5 ♔f2-g3 c6-c5 ♔g3-f4 ♘g5xe6+ f5xe6 ♗c8xe6 g2-g4 a7-a5 h3-h4 ♔e7-f6 g4-g5+ h6xg5+ h4xg5+ ♔f6-e7 ♖e1-e5 ♔e7-d6 g5-g6 b5-b4 g6-g7 ♗e6-f7 ♖e5-f5 ♔d6-e7 ♔f4-g5 b4xa3) +4.59/32 254)

score for White +4.50 depth 32

Jan-19-20
Premium Chessgames Member
  malt: 31...Kf8 32.N:f7 K:f7 33.Qg6+ Kf8 34.Q:h7 (34.Q:h6+ )
Jan-19-20
Premium Chessgames Member
  dorsnikov: I believe it impossible to visualize that many moves in such perfect sequence. Bxh6 had to be made strictly on positional intuition knowing it would wreck the king side.
Jan-19-20
Premium Chessgames Member
  agb2002: Black threatens Bxf5.

All white pieces are ready to attack the black king. This suggests clearing the path with f6, Bxh6 or Nxf7.

In the case of 30.Bxh6 gxh6 31.Qg3+ Kf8 (31... Kh8 32.Nxf7#; 31... Ng5 32.h4) 32.Nxf7 Kxf7 33.Qg6+ Kf8 34.Qxh7, followed by f6, looks good for White.

The alternatives f6 and Nxf6 look inferior to me.

Jan-19-20  RandomVisitor: After 24.Bc1 black likely has a even game with 24...Bh4


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Stockfish_20011312_x64_modern:

<50/79 07:09 0.00 24...Bh4> 25.Rf1 Bc8 26.Rf3 Be7 27.Bc4 f6 28.Ng4 Bxc5 29.dxc5 Be6 30.f5 Bf7 31.Bxd5 Bxd5 32.Rfd3 Be4 33.Qc4+ Kh7 34.Rxd8 Rxd8 35.Rxd8 Qxd8 36.Nxf6+ gxf6 37.Qf7+ Kh8 38.Bxh6 Qd4+ 39.Kh2 Qe5+ 40.Kh1 Bxg2+ 41.Kxg2 Qe4+ 42.Kg3 Qd3+ 43.Kf2 Qxf5+ 44.Kg3 Ne6 45.b4 Qd3+ 46.Kh2 Qe2+ 47.Kg3

Jan-19-20  Pedro Fernandez: My great friend <Chris Owen>, I post you to say you, that I have not patience to analyze those quite difficult puzzles like you do. Well done my friend! Warm greetings!
Jan-19-20  RandomVisitor: After 29...Qb6


click for larger view

Stockfish_20011312_x64_modern:

<55/94 3:58:58 +5.44 30.Bxh6 gxh6 31.Qg3+ Kf8> 32.Nxf7 Bg5 33.Nexg5 hxg5 34.Nxd8 Qxd8 35.Rxe8+ Kxe8 36.Re1+ Kf7 37.h4 Bxf5 38.Qf3 Qf6 39.Re5 Bg6 40.h5 Qxf3 41.hxg6+ Kxg6 42.gxf3 Nhf6 43.Bd3+ Kf7 44.Rxg5 Nc7 45.Bc4+ Ke7 46.Kf2 Nd7 47.Ke3 Ne8 48.f4 Kf6 49.Rh5 Kg6 50.Rh2 Nd6 51.Bd3+ Kf6 52.Rh6+ Ke7 53.Rh7+ Kd8 54.f5 Nf6 55.Rh8+ Ke7 56.Kf3 Kf7 57.Rh2 Nd5 58.Rh7+ Kf6 59.Rh6+ Ke7 60.Rg6 b6 61.Re6+ Kd7 62.Rh6 a5 63.Be4 Nc4 64.Bxd5 cxd5 65.Kf4 Nxb2 66.Rxb6 Nc4 67.Rb7+ Kd8 68.f6 Ke8 69.Ra7 Nxa3 70.Ke5 Nc2 71.Kxd5 Nb4+ 72.Ke6

55/96 3:58:58 +4.02 30.Rd3 Bf6 31.Rg3 Bxf5 32.Nxf6+ Nhxf6 33.Bxh6 Bg6 34.Bd3 Re7 35.Bxg6 fxg6 36.Rxg6 Qc7 37.Qh4 Rf8 38.b4 a6 39.Bg5 Rff7 40.Bd2 Rf8 41.Bh6 Ne8 42.Bg5 Nef6 43.Rf1 Rxe5 44.dxe5 Qxe5 45.Bxf6 Nxf6 46.Re1 Qc3 47.Rg5 Re8 48.Rxe8+ Nxe8 49.Kh2 Qf6 50.Qg3 Nc7 51.Re5 Qd6 52.Re1 Qxg3+ 53.Kxg3 Kf7 54.Kg4 Kf6 55.Rf1+ Ke7 56.Kf5 b6 57.Rf3 a5 58.Rg3 Kf7 59.bxa5 bxa5 60.Ke5 Ne6 61.Kd6 Nd4 62.Kc5

55/91 3:58:58 +2.33 30.Qg3 Bxf5 31.Nxf7 Kxf7 32.Bc7 Qxb2 33.Bxd8 Rxd8 34.Qe5 Bxe4 35.Qxe4 Bf6 36.Qxh7 Qc3 37.Ba2 Qg3 38.Rf1 Re8 39.Rb1 b6 40.Qf5 Qd6 41.Rbc1 Kf8 42.Qh7 Re2 43.Bc4 Re6 44.Kh1 a5 45.Rce1 b5 46.Bb3 Ke7 47.Qg8 Kd7 48.Rxe6 Qxe6 49.Qa8 Bd8 50.Bd1 Nf6 51.Bf3 Bc7 52.Qf8 Qd6 53.Qxg7+ Kd8 54.g3 Ne8 55.Qg8 Qxg3 56.Qxg3 Bxg3 57.Kg2 Bc7 58.Bxc6 b4 59.Rf3 Bb6 60.axb4 axb4

Jul-09-20
Premium Chessgames Member
  plang: Robert Byrne after 13..c6:
"It's an interesting question what the difference is between an isolated d4-position arising from a kingside opening as in this game, and a queenside isolated pawn position with the black pawn on e6 instead of c6. I think this one is better for White because there is little opportunity for Black to counterattack in the center with ...c6-c5. Because of that, Black has less chance to get an open file for a rook. There is always the e-file, but normally White is a step ahead there."

A month later at Wijk aan Zee Topalov tried the interesting exchange sacrifice 17 Rxe6!? against Anand and Black won after fascinating struggle. 18 Bd2 had been played a few times most recently in the draw Lutz-Fridman Essen 2002 (game not included in this database); 18 Na4 was new. Black could have equalized with 21..Bg5 22 Nc5..Nxc5 23 dxe..Bxd2 24 Qxd2..Qf6 25 Bb1..Nf4. 24..Bh4 would have given Black more active play. 25..Be7 with the idea of..Bd6 and ..f6 was suggested as a better defense. 28..Nh7? allowed White's nice combination; better would have been 28..Nd7. Black could have put up tougher resistance with 36..Bxf5 37 Qxf5..Rxd5 38 Nxe7..Rxf5 39 Nxf5+..Kg6 40 Neg3..Re5 41 Rf1..Re8 42 Rde1..Re5 43 Kh2 though it would likely not have saved the game.

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