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Vladimir Tukmakov vs Igor Khenkin
Iraklion op (1992), rd 7
Semi-Slav Defense: Botvinnik System. Ekstrom Variation (D44)  ·  0-1



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find similar games 4 more Tukmakov/Khenkin games
sac: 15...dxc3 PGN: download | view | print Help: general | java-troubleshooting

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Kibitzer's Corner
Aug-07-14  SpiritedReposte: Black just sacrifices his whole squad gobbling up pawns and keeping White' s king in the center.

Instructive how he doesn't cash in his connected passed pawns right away as well.

Oct-03-15  Delboy: Great example of the power of advanced passed pawns in the middle game. The pair on b2 and c2 stood there for a full five moves awaiting their moment of glory denied to them by white's resignation.
Jan-25-20  Walter Glattke: I would play this like he after Qxa8, and h5 liberate then terrific diagonal threatenings with bishop and queen for mating the central king.
Jan-25-20  faulty: OMG. My most sincere thanks to the guy/girl who unearthed this gem
Jan-25-20  Walter Glattke: Possible continuations are A) 26.Nd5 Qxd5+ 27.Kf1 Qh1+ 28.Kd2 bxc2Q# B) 26.Kf1 bxc2Q/R#
Jan-25-20  eaglewing: 15. Qf3 dxc3 16. Nf6+ followed by Ke7 17. Qxa8 or Kd8 17. Rd1+ (plus Qxa8) and then?
Jan-25-20  Cheapo by the Dozen: I saw the first three and the fifth moves, but failed the puzzle anyway because I didn't see that ... c3 created a "two connected passed pawns worth more than a rook" kind of situation.
Jan-25-20  Walter Glattke: ..and then: 16.Nf6+ Ke7 17.Qxa8 … 17.-Qxf6 18.Bxc8 Qe5+ 19.Kf1 Qd4 20.Re1+ Kf6 21.Qxb8 Qd3+ 22.Kg2 (cb2 23.Qxb5 Qd2) Bc5 24.Qf4+ Qxf4 25.gxf4 Rxc8 26.axb5 c3 black is winning. But insane, very difficult to play. This continuation were good for black so far.
Jan-25-20  poachedeggs: Instead of 16.Qxa8 Fritz plays 16.Nf6+. What is the continuation?
Jan-25-20  Walter Glattke: No, pawn mistake, correction: 16.Nf6+ Ke7 17.Qxa8 Qe5+ 18.Kf1 cxb2 19.Rb1 (Rd1? Qxd1+ Kxd1 b1Q+) c3 black wins easy. The Knight on g4 only stops the black attack.
Jan-25-20  Walter Glattke: 17.0-0 or 17.Nd5+ should win for black, too, but other fighting then.
Premium Chessgames Member
  chrisowen: Cigar Luke?
Jan-25-20  eaglewing: @Walter Glattke: Your 16.Nf6+ Ke7 17.Qxa8 Qe5+ is not possible, first the black Queen would have to take the Knight on f6 before she legally could make it to e5, but inbetween Qa8xNb8 covering the square e5 would follow. Even sacrificed on f6 the Knight stops the black attacking possibilities a bit.
Premium Chessgames Member
  agb2002: White threatens Qxa8 and Nf6+.

The last threat suggests 15... f5:

A) 16.Qxa8 Qb7

A.1) 17.Qxb7 Bxb7

A.1.a) 18.0-0 fxg4 19.Nxb5 gxh3 20.Nxd4 Bg7 and Black has the bishop pair for a rook.

A.1.b) 18.Nf6+ Kf7 19.0-0 dxc3 20.Nh5 cxb2 with two advanced passed pawns for the exchange looks very good for Black.

A.2) 17.Nf6+ Kf7 18.Qxb7 Bxb7 19.Nxb5 (19.0-0 dxc3 transposes to A.1.b) 19... Bxh1 20.Nh5 Bf3 21.Nf4 Bb4+ 22.Kf1 d3 looks very good for Black.

B) 16.Nf6+ Qxf6 17.Qxa8 Qe5+ 18.Ne2 d3 19.Bf1 Bb4+ 20.Kd1 dxe2+ 21.Bxe2 Qxb2 wins.

Premium Chessgames Member
  chrisowen: Get it done no?
Premium Chessgames Member
  agb2002: My 15... f5 is not as strong as 15... dxc3. I was too worried about 16.Nf6+ and the king stranded in the center.
Jan-25-20  eaglewing: @agb2002: 15... f5 16.Qxa8 Qb7 17. Bg2 (and maybe Nf6+ before Bg2).
Premium Chessgames Member
  agb2002: <eaglewing: @agb2002: 15... f5 16.Qxa8 Qb7 17. Bg2 (and maybe Nf6+ before Bg2).>

17... Qxa8 18.Bxa8 dxc3 19.Ne3 cxb2 20.Rb1 c3 looks very good for Black.

Premium Chessgames Member
  Breunor: I was also worried about Nf6 ch but it loses badly for white. Here is the analysis:

1) -4.84 (26 ply) 16...Ke7 17.O-O cxb2 18.Rae1 Qxf6 19.Qxa8 Bg7 20.Qxb8 Bd7 21.Qxa7 Qd4 22.Qb7 c3 23.Bf5 Qxa4 24.Rd1 Rd8 25.Qc7 Ke8 26.Bh7 Qc4 27.Qxc4 bxc4 28.Bc2 Bc6 29.Rxd8+ Kxd8 30.Rd1+ Kc7 31.Kf1 Be5

This position is so wild I can't run every sub case but this is the best set of moves (given the 26 ply and the computer's ability).

Jan-26-20  eaglewing: @agb2002: How about 15... f5 16.Qxa8 Qb7 17. Bg2 Qxa8 18. bxc3 fxg4 19. axb5 ? Pawns equalized (and a7 under threat) with a rook vs knight + bishop. I think, this could give better fighting chances for a draw then against the passed pawns in the game.
Jan-26-20  eaglewing: @Breunor: 17. O-O ? 18. Rae1 instead of Rad1? What is with the subcase beginning with 16.Nf6+ Ke7 17.Qxa8 Qxf6 18.Qxb8 ? If your silicon one prefers the moves noted first, then there should be a strong argument against this subcase line, I do not forsee.
Jan-26-20  eaglewing: Btw, was in the game line 22.Ke3 a weaker move? Consider 22. Kf3 f5 23. Ne3 Bb7+ 24. Ke2 Bxh1 25. Nxc2. There is surely a better line for Black, the point is, the black Bishop will either check on e2 or f3, the white King could dodge to the other square. A white rook will be gone for a passed one anyway. And this approach allows directly moving the Knight to e3, in the game line the King blocked e3. I feel this is unfortunate.

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