Author: Martin Giepmans
Date: 17:41:44 03/29/02
Go up one level in this thread
On March 29, 2002 at 15:12:43, Thomas Lagershausen wrote:
>[D]1r1r4/1bq2p1k/p2ppb1p/1p4pn/3RP3/PBN2P2/1PP2BPP/1K1RQ3 w - -
>
>Hiarcs with black has weakend with 17..g5?? his kingside.Four moves later the
>moment has come to show how to weaken the black squares to have a winning attack
>against the black king.
>
>For Fritz,Shredder,Tiger and Junior no big problem to find 21.h4!!
>
>Any other programs?
>
>TL
>
>[Event "OP 2002 Ath 1.3/64"]
>[Site "Zurich"]
>[Date "2002.03.29"]
>[Round "13.3"]
>[White "Fritz 7006"]
>[Black "Hiarcs 7.32"]
>[Result "1-0"]
>[ECO "B89"]
>[PlyCount "100"]
>
>1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 e6 7. Be3 a6 8. Qe2
>Qc7 9. O-O-O Be7 10. Bb3 O-O {
>Start of game: Nunn 2 position, Sicilian defence, Velimirovic} 11. Kb1 Nxd4 12.
>Rxd4 b5 13. Rhd1 Rb8 14. a3 Bb7 15. Bg5 h6 16. Bh4 Rfd8 17. Qe1 g5 18. Bg3 Nh5
>19. f3 Kh7 20. Bf2 Bf6 21. h4 Bxd4 22. Bxd4 Kg6 23. Qg1 Qe7 24. hxg5 hxg5 25.
>Bb6 Rh8 26. Ba5 Nf4 27. Bb4 Rbd8 28. e5 Rd7 29. g3 Nh5 30. Ne4 Bxe4 31. fxe4
>Rh6 32. Qe3 Qd8 33. exd6 a5 34. Bc5 a4 35. Ba2 Qc8 36. e5 Nxg3 37. Rg1 Nf5 38.
>Qxg5+ Kh7 39. Be3 Rd8 40. Qg2 Rg6 41. Rh1+ Kg7 42. Bg5 Rg8 43. Rd1 Qd7 44. c4
>f6 45. Bxf6+ Kf7 46. Qf3 bxc4 47. Bxc4 Rxf6 48. exf6 Rg5 49. Qh1 Qd8 50. Qe4
>Qd7 1-0
I wonder *why* Fritz etc. choose h4.
My engine seems to think that the move is forced and that black is better.
SpiderChess amd 1,2 Ghz
05 00:00:00 - 1.28 D4-D3 H5-F4 F2-A7 B8-A8 A7-D4 F4xD3 D1xD3
00:00:00 - 1.14 G2-G4 F6xD4 F2xD4 H5-F4 D4-F6
00:00:00 - 1.10 E1-E2 F6xD4 F2xD4 H5-F4 E2-D2
00:00:00 - 1.08 G2-G3 F6xD4 F2xD4 B8-C8 G3-G4
00:00:00 - 0.95 D4-B4 F6xC3 E1xC3 C7xC3 B2xC3
06 00:00:00 - 0.95 D4-B4 F6xC3 E1xC3 C7xC3 B2xC3 H7-G8
00:00:00 - 0.89 H2-H4 F6xD4 F2xD4 B5-B4 A3xB4 D8-G8 H4xG5 G8xG5
07 00:00:00 - 0.90 H2-H4 F6xD4 F2xD4 B5-B4 A3xB4 D8-G8 H4xG5 G8xG5
08 00:00:00 - 0.74 H2-H4 F6xD4 D1xD4 D8-G8 H4xG5 E6-E5 D4-D1 G8xG5
09 00:00:02 - 0.80 H2-H4 F6xD4 F2xD4 H5-F4 G2-G3 B5-B4 G3xF4 B4xC3 D4xC3
G5xF4
10 00:00:08 - 0.67 H2-H4 F6xD4 F2xD4 E6-E5 D4-E3 B5-B4 A3xB4 H5-F4 H4xG5
F4xG2
11 00:00:29 - 0.58 H2-H4 F6xD4 F2xD4 D8-G8 G2-G4 H5-F4 H4xG5 G8xG5 E1-D2
D6-D5 E4xD5 F4xD5 C3xD5 B7xD5
(I will let it run longer tomorrow)
Martin
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