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Subject: Testposition "make" a Blunder !

Author: Eduard Nemeth

Date: 18:29:55 04/06/05


First the nice game of Hydra/Scylla:

[Event "10m+10s"]
[Site "playchess.com"]
[Date "2005.04.07"]
[Round "?"]
[White "Zor_champ, Hydra/Scylla_1.03C"]
[Black "Revenge, Shredder 9"]
[Result "1-0"]
[ECO "B85"]
[WhiteElo "2830"]
[BlackElo "2790"]
[PlyCount "55"]
[EventDate "2005.??.??"]

1. e4 {0} c5 {0} 2. Nf3 {0} d6 {0} 3. d4 {0} cxd4 {0} 4. Nxd4 {0} Nf6 {0} 5.
Nc3 {0} a6 {0} 6. Be2 {0} e6 {0} 7. Be3 {0} Nc6 {0} 8. O-O {0} Be7 {0} 9. f4 {0
} O-O {0} 10. a4 {0} Qc7 {0} 11. Nb3 {0} b6 {0} 12. Bf3 {0} Bb7 {0} 13. Qe2 {
0.07/15 28} Rab8 {0} 14. Qf2 {0.11/16 42} Nd7 {-0.03/14 28} 15. Rad1 {
0.11/16 32} Rbd8 {0} 16. Rd2 {0.26/15 43} Nc5 {0.08/14 33} 17. Rfd1 {0.26/15 22
} Qc8 {0.12/14 17} 18. Qg3 {0.35/15 27} Qc7 {0.01/14 8} 19. f5 {0.29/16 26} Bf6
{-0.16/14 44} 20. a5 {0.28/17 1} Nxa5 {-0.08/15 46} 21. Nxa5 {0.20/17 27} Bxc3
{0.07/16 34} 22. bxc3 {0.52/18 2} bxa5 {0.12/17 39} 23. f6 {1.41/18 1} g6 {
1.96/16 151} 24. e5 {1.83/20 0} Bxf3 {2.19/16 41} 25. gxf3 {1.83/19 7} Kh8 {
2.19/16 20} 26. Qg5 {2.39/18 11} Nd7 {1.95/16 32} 27. Rxd6 {2.58/19 0} Rg8 {
3.67/17 158} 28. Kg2 {
Revenge,Shredder 9 resigns  (Lag: Av=0.81s, max=1.8s) 3.17/20 0} 1-0

Testpostition:

[D]3r1rk1/1bq2ppp/pp1ppb2/N1n2P2/4P3/2N1BBQ1/1PPR2PP/3R2K1 b - -

Which program need not play here 21...Bxs3???

Shredder 9 does it against Hydra - and lost soon.

Here a analysis on my P3 600 MHz:

Engine: Shredder 9 UCI (64 MB)
von Stefan Meyer-Kahlen


14/33  1:11   +0.18    21...Lxc3 22.bxc3 bxa5 23.f6 g6
                       24.Dh4 e5 25.Tb1 Se6 26.c4 Tb8
                       27.La7 Tbc8 28.Le3 a4 29.Dh6 (8.252.119) 114

15/35  2:08   -0.06    21...Lxc3 22.bxc3 bxa5 23.Txd6 Sxe4
                       24.Lxe4 Txd6 (14.737.654) 114

16/44  3:51   -0.11    21...Lxc3 22.bxc3 bxa5 23.Txd6 Sxe4
                       24.Lxe4 Txd6 25.Txd6 Lxe4 26.Ld4 f6
                       27.fxe6 Tb8 28.Lxf6 Tb1+ (26.321.171) 113

17/45  7:26   -0.12    21...Lxc3 22.bxc3 bxa5 23.Txd6 Sxe4
                       24.Lxe4 Txd6 25.Txd6 Lxe4 26.Ld4 e5
                       27.Lxe5 f6 28.Txf6 Db7 29.Txf8+ Kxf8
                       30.Lxg7+ Dxg7 31.Db8+ Ke7 (50.398.091) 112

Eduard.

My World is not only Chess:

http://www.beepworld.de/members37/computerschach/




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