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Subject: Re: Rybka 1.0 Beta 13 vs Fritz 9 - a long match

Author: Djordje Vidanovic

Date: 03:10:32 01/30/06

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Hello Uri,

I have to hurry to the University now, so I must be brief.  Look at this game
that Rybka played with white (my book):

[Event "Rated game, 3m + 0s"]
[Site "Engine Room"]
[Date "2006.01.29"]
[Round "?"]
[White "Vidanovic, Rybka 1.01 Beta 13b"]
[Black "Cjlindgr, Fritz 9"]
[Result "1-0"]
[ECO "B81"]
[BlackElo "2505"]
[Annotator "-0.24;0.83"]
[PlyCount "63"]
[EventDate "2006.01.30"]
[TimeControl "180"]

{Fritz 9: 11.9 ply; 1,325kN/s         Intel(R) Pentium(R) M processor 1.86GHz
1861MHz, (1 threads)} 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. Be3 {0} e6 {0} 7. g4 {0} h6 {0} 8. Qf3 {0
} Nbd7 {0} 9. Rg1 {0} Ne5 {4} 10. Qh3 {-0.24/10 0} Nexg4 {4} 11. Rxg4 {
-0.04/11 0} e5 {3} 12. Nf5 {0.02/11 0} g6 {8} 13. Rh4 {0.68/11 0} gxf5 {4} 14.
exf5 {0.37/11 0} d5 {0.83/11 4} 15. O-O-O {0.81/11 5} d4 {0.85/11 0} 16. f4 {
1.45/11 3} Qa5 {1.23/11 0} 17. fxe5 {1.62/11 3} dxc3 {1.65/12 8} 18. exf6 {
3.64/11 0} Bd7 {(Qxf5) 4.46/10 6} 19. Re4+ {4.68/9 4} Kd8 {8.43/11 6} 20. Bf2 {
4.75/10 3} Kc8 {(Bc5) 4.80/9 3} 21. Rxd7 {5.29/10 4} Bc5 {(Kxd7) 9.09/9 2} 22.
Rd5 {9.35/10 9} b6 {11.88/11 3} 23. Bxc5 {16.95/10 8} Rb8 {(cxb2+) 10.18/8 3}
24. Qe3 {#10/7 1} cxb2+ {#12/10 7} 25. Kb1 {#9/6 0} b5 {(Qb5) #11/10 2} 26.
Re8+ {#7/4 0} Rxe8 {#6/5 0} 27. Qxe8+ {#6/4 0} Kb7 {#5/4 0} 28. Rd7+ {#5/4 0}
Kc6 {#4/4 0} 29. Bg2+ {#4/4 0} Kxc5 {#3/4 0} 30. Qe7+ {#3/4 0} Kc4 {#2/3 0} 31.
Qe4+ {#2/4 0} Kc5 {(Kc3) #1/2 0} 32. Qd4# {(Lag: Av=0.49s, max=1.6s) #1/4 0}
1-0

It is commonly believed that move 9 by black is wrong, as in the Scheveningen
Keres attack the best reply is 9...g5 considered to equalise for black (most
current theoreticians agree on this).  However, after such a move (...9.g5),
Rybka would simply castle queenside and later on win easily and quickly
pawn-storming the black's kingside.  As it was, however, black fell into a
pre-arranged trap, construed with Rybka's help :).  You can now go on about this
at length, but before that please analyse the game and you will see what I
thought when mentioning "drawish" lines.

Take care.



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