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Subject: Re: Shredder 7.04 rook sac test position

Author: Brian Katz

Date: 01:08:19 12/22/03

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On December 22, 2003 at 01:45:39, K. Burcham wrote:

>
>
>This is a game I played online unsing Shredder 7.04.
>will your program play this move.
>game time was 3/3, manual moves at Yahoo.
>
>18...Rxf3
> [D] 2r2rk1/pR2b1pp/2n1p3/2p1p1B1/Q1P1P3/3q1N2/5PPP/5RK1 b - -
>
>
>1. e4 {0s} c5 {book 0s} 2. Nf3 {7s} Nc6 {book 0s} 3. Nc3
>{5s (d4)} e5 {book 0s} 4. Bc4 {8s} d6 {book 0s} 5. Nd5 {6s
>(d3)} Be7 {book 0s} 6. d3 {6s} Nf6 {book 0s} 7. Bd2 {16s
>(c3)} O-O {-0.23/9 1s} 8. a3 {6s (O-O)} Nxd5 {+0.09/9 1s}
>9. Bxd5 {12s (exd5)} Qb6 {+0.19/9 1s} 10. Rb1 {16s (b3)}
>Be6 {+0.16/10 1s} 11. Bxe6 {16s (O-O)} fxe6 {+0.40/11 1s}
>12. O-O {5s} Qb5 {+0.22/10 0s} 13. c4 {11s (Bg5)} Qa6
>{+0.17/9 1s} 14. b4 {18s (Ng5)} Qxa3 {-0.22/9 1s} 15. bxc5
>{14s (Rb3)} dxc5 {+0.30/9 1s} 16. Rxb7 {7s (Bg5)} Qxd3
>{+0.48/10 1s} 17. Qa4 {23s} Rac8 {+0.42/13 0s} 18. Bg5
>{17s} Rxf3 {+0.58/13 0s} 19. gxf3 {13s (Bxe7)} Bxg5
>{+3.49/11 1s} 20. Rb3 {11s (Qa6)} Qe2 {+3.90/10 1s} 21. Qa6
>{12s} Rc7 {+4.14/13 0s} 22. Rfb1 {18s (Qb5)} Nd4 {+4.34/9
>1s} 23. Rb8+ {19s} Kf7 {+6.60/11 0s} 24. R8b7 {15s (Qd6)}
>Be3 {+8.74/8 1s} 25. Rxc7+ {8s} Kf6 {+23.17/11 0s} 26. Kh1
>{12s (Qxe6+)} Qxf3+ {+M3/5 0s}
>
>kburcham

My Fritz 8 engine plays 18...Rxf3 as well. However, as white it would not reply
with 19.gxf3...but with 19.Bxe7... with a (-0.37) evaluation after 3 minutes. I
am using an AMD Athlon XP 2600+ by the way. After, 19.gxf3...White is totally
lost. There were some better moves after 19.gxf3 for White which are still
losing, but White just played some horrible moves.

Brian



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