Author: Timothy J. Frohlick
Date: 09:21:52 12/06/05
Go up one level in this thread
Jouni,
It appears that Rybka excels at placing pieces at positions that appear to
"appear" from nowhere. Disastrous consequences would occur if Shredder 9 were to
capture the black rook with even the lowly knight.
TJ
On December 06, 2005 at 11:04:46, Jouni Uski wrote:
>[Event "Nunn"]
>[Site "?"]
>[Date "2005.12.06"]
>[Round "10"]
>[White "Shredder 9.1 UCI"]
>[Black "Rybka 1.0 Beta 32-bit"]
>[Result "0-1"]
>[ECO "D36"]
>[Annotator "0.02;0.23"]
>[PlyCount "133"]
>[TimeControl "60/300:0/0:0/0"]
>
>{GenuineIntel 2393 MHz W=12.1 ply; 321kN/s B=10.5 ply; 48kN/s} 1. d4 d5 2. c4
>c6 3. Nf3 e6 4. cxd5 exd5 5. Nc3 Nf6 6. Bg5 Be7 7. Qc2 Nbd7 8. e3 O-O 9. Bd3
>Re8 10. O-O Nf8 {Both last book move} 11. Rfe1 {0.02/11 13} g6 {(Bd7) 0.23/9 5}
>12. Ne5 {0.09/11 17} Ne6 {(Be6) 0.25/10 7} 13. Bh4 {0.02/11 8} a5 {
>(Ng7) 0.28/9 10} 14. Na4 {(h3) 0.35/11 18} Ng7 {(Qc7) 0.29/9 6} 15. Nc5 {
>0.29/11 12} Nf5 {(Ne6) 0.26/9 3} 16. Bg5 {0.32/11 5} a4 {(Bxc5) 0.31/9 11} 17.
>f3 {(h3) 0.88/10 14} Qa5 {(a3) 0.30/8 6} 18. Rac1 {0.53/11 15} h6 {0.09/10 7}
>19. Bf4 {(Bxf6) 0.43/10 4} Bf8 {(Nh5) 0.35/10 36} 20. g4 {(Qf2) 0.90/12 21} Ne7
>{0.33/10 11} 21. Bf1 {(b3) 1.01/10 4} Bg7 {(b6) 0.24/10 6} 22. Bg3 {
>(Qc3) 0.93/11 10} b6 {0.24/10 5} 23. Ncd3 {0.98/12 6} Bb7 {0.26/10 2} 24. Bg2 {
>(Qc3) 0.92/12 7} Rad8 {(Nh7) 0.26/9 4} 25. Nf4 {(Qc3) 0.90/11 7} a3 {0.21/9 3}
>26. b3 {0.84/12 4} g5 {0.21/10 3} 27. Nfd3 {0.84/12 8} h5 {0.25/9 2} 28. b4 {
>(Qc3) 0.62/11 5} Qa6 {0.24/9 4} 29. Rb1 {(Qb3) 0.50/10 3} hxg4 {(Qa7) 0.21/9 5}
>30. fxg4 {1.00/12 4} Bc8 {(Qa8) 0.24/9 3} 31. Nf2 {1.04/11 5} Be6 {0.25/9 3}
>32. Rf1 {(Bf3) 0.95/11 5} Nd7 {(Rc8) 0.09/10 5} 33. b5 {(Nfd3) 0.78/12 10} cxb5
>{-0.05/9 1} 34. Nf3 {0.81/12 5} Rc8 {-0.02/10 3} 35. Qd3 {0.65/11 3} f6 {
>(Bh6) -0.02/10 6} 36. Bd6 {0.81/11 3} Bf7 {(Qa4) 0.00/10 6} 37. Nd2 {
>(h4) 0.94/10 4} Ng6 {(Qa4) -0.10/10 6} 38. Nh3 {(Rb3) 1.05/11 8} Qb7 {
>(Nh4) -0.20/9 8} 39. Bxa3 {0.75/10 4} Nh4 {-0.30/10 4} 40. Rbc1 {
>(Bh1) 0.35/10 4} Nxg2 {(Rxc1) -0.56/10 6} 41. Kxg2 {0.31/13 6} Rc4 {
>(Nf8) -0.57/10 6} ... 0-1
>
>[D]2r1r1k1/1q1n1bb1/1p3p2/1p1p2p1/3P2P1/B2QP2N/P2N2KP/2R2R2 b - - 0 41
>
>Analysis by Rybka 1.0 Beta 32-bit:
>
>41...Rc4
> ³ (-0.34) Depth: 3 00:00:00
>41...Rc4
> ³ (-0.48) Depth: 4 00:00:00
>41...Rc4 42.Nf2
> ³ (-0.43) Depth: 5 00:00:00
>41...Rc4 42.Nf2 Rec8
> ³ (-0.54) Depth: 6 00:00:00 8kN
>41...Rc4 42.Nf2 b4 43.Bb2
> ³ (-0.46) Depth: 7 00:00:00 18kN
>41...Rc4 42.Nf2 b4 43.Bb2 Rec8
> ³ (-0.51) Depth: 8 00:00:01 40kN
>41...Rc4 42.Kg1 b4 43.Bb2 Rxc1 44.Rxc1 Bf8
> ³ (-0.54) Depth: 9 00:00:03 131kN
>41...Rc4 42.Rb1 Rec8 43.Bb4 Rc2 44.a3 Be6
> ³ (-0.64) Depth: 10 00:00:12 391kN
>41...Rc4 42.Bb2 Ra8 43.a3 Rac8 44.Nf2 Bf8 45.e4
> ³ (-0.67) Depth: 11 00:00:22 741kN
>41...Rc4 42.Kg1 b4 43.Bb2 Rxc1 44.Rxc1 Bf8 45.a3 Ra8 46.axb4
> ³ (-0.68) Depth: 12 00:00:44 1414kN
>41...Rc4 42.Kg1 b4 43.Nxc4 dxc4 44.Qf5 Rxe3 45.Nxg5 Rxa3 46.Nxf7
> ³ (-0.63) Depth: 13 00:01:03 2324kN
>
>Yes other engines play also ...Rc4, but not so fast and good score. Another
>thing is if it's the best move really?
>
>Jouni
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