Author: Mihaly Szalai
Date: 08:18:50 06/03/04
Go up one level in this thread
On June 02, 2004 at 14:39:41, Derek Paquette wrote: >I analyzed this game a little further, and I do not think that nxf1 is the move >that cost the program the game, > >i think that 21. b5 is what costs Crafty the game, after that, all programs that >i analyze with spike in favour of white, or equal. Then after each move, the >analysis runs wild, > >instead of 21.b5 >r1r2bk1/1pq2p1p/p1b1pPp1/3pP3/P2B4/2N4Q/1PP1B1PP/5R1K b - - 0 21 > > >bxa4 is much better, and things fall apart for white after that, Shredder 8 and >Deep fritz 8 agree > >New game - Shredder 8, Blitz:10' home >r1r2bk1/1pq2p1p/p1b1pPp1/3pP3/P2B4/2N4Q/1PP1B1PP/5R1K b - - 0 1 > >Analysis by Deep Fritz 8: > > ³ (-0.64) Depth: 13/37 00:02:32 103687kN >21...Bxa4 22.Nxa4 Qxc2 23.Nc3 Rxc3 24.Qxc3 Qxe2 25.Re1 Qg4 26.Rc1 Bh6 > µ (-1.16) Depth: 13/39 00:02:51 118377kN >21...Bxa4 22.Nxa4 Qxc2 23.Nc3 Rxc3 24.Qxc3 Qxe2 25.Re1 Qg4 26.Ra1 a5 > µ (-1.23) Depth: 14/37 00:04:00 169092kN >21...Bxa4 22.Bd1 Qc4 23.Rf4 Bc6 24.Be3 d4 25.Bxd4 Qb4 26.Rh4 h6 > µ (-1.16) Depth: 15/38 00:06:13 272643kN > >New game - Shredder 8, Blitz:10' home >r1r2bk1/1pq2p1p/p1b1pPp1/3pP3/P2B4/2N4Q/1PP1B1PP/5R1K b - - 0 1 > >Analysis by Shredder 8: > > >21...Bxa4 22.Bd3 Bd7 23.Rf4 b5 24.Rh4 h5 25.Rxh5 gxh5 26.Qxh5 Bc5 > -+ (-2.06) Depth: 18/37 00:03:27 23226kN Hi Derek, thanks to your 21...Bxa4! I inspected the game and found an improvement for white one move earlier: [D]r1r2bk1/1pq2p1p/p1b1pPp1/3pP3/P2B4/2N2B1Q/1PP3PP/5R1K w - - 0 21 21. Bd1! Bxa4 22. Nxa4 Qc4 23. Rf4 Qxa4 24. Rh4 Qa1 25. Rxh7 Qxd1+ 26. Bg1 Qh5 27. Rxh5 gxh5 28. c3 with good winning chances. Mihaly
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