Author: Kurt Utzinger
Date: 01:32:07 05/22/04
[D]3r1rk1/2pqnppp/p7/1p1pP2b/nP6/2P2N2/P1B2PPP/R1BQR1K1 w - - 0 18
Sokolov,A vs Kortschnoj,V (Variation)
Position after 17...Na4? when White wins with 18.Bxh7!
Which program does find this bishop sacrifice?
[D]8/2p3pp/8/1RrkP3/8/3K4/6PP/8 w - - 0 42
Sokolov,A vs Kortschnoj,V
Position after 41...Rxc5
The exchange of rooks leads to a lost pawn end game for White
Which program does avoid 42.Rxc5?
[Event "Tilburg"]
[Site "Tilburg"]
[Date "1987.??.??"]
[Round "?"]
[White "Sokolov, Andrei"]
[Black "Kortschnoj, Viktor"]
[Result "0-1"]
[ECO "C82"]
[WhiteElo "2635"]
[BlackElo "2630"]
[PlyCount "104"]
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5
Be6 9. c3 Nc5 10. Bc2 Bg4 11. Re1 Be7 12. Nbd2 Qd7 13. Nf1 Rd8 14. Ne3 Bh5 15.
Nf5 O-O 16. Nxe7+ Nxe7 17. b4 Ne4 {Some days later Kortschnoj chose 17...Na4?
vs Huebner and lost after 18.Bxh7! Kxh7 19.e6! - Einige Tage spaeter spielte
Kortschnoj gegen Huebner 17...Sa4? und verlor nach 18.Lxh7! Kxh7 19.e6!} 18.
Bxe4 dxe4 19. Qxd7 Rxd7 20. Ng5 Bg6 21. e6 Rd3 22. exf7+ Bxf7 23. Nxe4 Nd5 24.
f3 Bg6 25. Kf2 Re8 26. a4 Bxe4 27. Rxe4 Rxe4 28. fxe4 Nxc3 29. axb5 axb5 30. e5
Kf7 31. Ra6 Ne4+ 32. Ke2 Rc3 33. Be3 Ke7 34. Bd4 Rc4 35. Kd3 Ng5 36. Bc5+ Kd7
37. Ra5 Kc6 38. Ra6+ Kd5 39. Ra5 Ne6 40. Rxb5 Nxc5+ 41. bxc5 Rxc5 {Now, the exc
hange of rooks would lead to a lost pawn end game for White - Nun wuerde der
Turmtausch zu einem fuer Weiss verlorenen Bauernendspiel fuehren} 42. Rxc5+
Kxc5 43. Ke4 Kc6 44. h4 Kd7 45. Kd5 h5 46. e6+ Ke7 47. Kc6 Kxe6 48. Kxc7 Kf5
49. Kd6 Kg4 50. Ke5 Kxh4 51. Kf4 g6 52. Kf3 g5 0-1
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