Author: Ernst Walet
Date: 13:04:56 11/08/02
Go up one level in this thread
On November 05, 2002 at 00:39:31, Will Singleton wrote:
>White to play, bm is d7. How long until your engine shows a positive score?
>(amd 1.6ghz).
>
>Amateur ply 15 score 33 secs 212
>Yace ply 15 score 9 secs 103
>Crafty ply 16 score 40 secs 69
>Ruffian ply 12 score 51 secs 5 (just amazing)
>
>[D]5kb1/6pp/p2P1p2/1p6/2r5/P1r2N1P/6P1/2R2RK1 w - - 0 36
>
>(remember, d7 must show a positive score)
>
>--------------------
>
>(following is background info)
>
>The above position came from a recent Lyapko League E game, Ldb_20c v
>Amateur_2.4. Amateur was cruising along nicely, until 35....Rec4. Just one of
>those positions that's a bit too deep, considering the machine (k6-450) and the
>time control. The best move is either 35...Rd3 or 35...Rxc1. I don't feel too
>bad about it, because even Yace would have played the same move, given the 4x
>speed diff:
>
>[D]5kb1/6pp/p2P1p2/1p6/4r3/P1r2N1P/6P1/2R2RK1 b - - 0 35
>
>yace (amd 1.6ghz):
>
>17865 <first : 10 107 906 7125647 t+ 1...Rec4 2.d7 Ke7 3.Rcd1 Kd8 4.Rfe1 Bf7
>5.Kf2 Rxa3 6.Kg3 {170}
>18326 <first : 10 108 952 7482553 t 1...Rec4 2.d7 Ke7 3.Rcd1 Kd8 4.Rfe1H Bf7H
>5.Re7H Rc1H 6.Ree1H R1c2H {90}
>19738 <first : 10 108 1093 8518595 . 1...Rec4 2.d7 Ke7 3.Rcd1 Kd8 4.Rfe1 Bf7
>5.Re7 Rc1 6.Ree1 R1c2 {90}
>22672 <first : 11 93 1386 10873676 t 1...Rec4 2.d7 Ke7 3.Rcd1 Kd8 4.Rfe1 Bf7
>5.Re7 Rc1 6.Ree1 Rxd1 7.Rxd1 {90}
>23123 <first : 11 94 1432 11269728 t+ 1...Rxc1 2.Rxc1 Bc4 3.Nd2 Rd4 4.Nxc4 bxc4
>5.d7 Ke7 6.d8=Q+ Kxd8 7.g3
>25396 <first : 11 107 1658 13166392 t 1...Rxc1 2.Rxc1 Bc4 3.Nd2 Rd4 4.Nxc4 bxc4
>5.a4 g5 6.Kf2 f5 7.Rc3 h5 {80}
>28831 <first : 11 108 2002 16214070 t+ 1...Rd3 2.Rfd1 Rxd1+ 3.Rxd1 Ke8 4.Nd4 Kd7
>5.Nf5 Bb3 6.Rd3 Re1+ 7.Kh2 Bc4 8.g3 {90}
>
>[Event "WB 08/2002 League E"]
>[Site "LYAPKO,Mukachevo,AMD K6-2/450"]
>[Date "2002.11.01"]
>[Round "15.2"]
>[White "Ldb_20c"]
>[Black "Amateur 2.4"]
>[Result "1-0"]
>[TimeControl "1800"]
>[ECO "C99"]
>[Opening "Ruy Lopez: closed, Chigorin, 12...c5d4"]
>
>1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8.
>c3 O-O 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 cxd4 13. cxd4 Bb7 14. Nf1
>Rac8 15. Bd3 Nc6 16. Be3 Nb4 17. Ng3 Nxd3 18. Qxd3 Qc2 19. Qxc2 Rxc2 20.
>Nf5 Re8 21. Bg5 Rxb2 22. Bc1 Rc2 23. Ba3 Bf8 24. Bxd6 Nxe4 25. Bxf8 Kxf8
>26. Nxe5 Bc8 27. f3 Bxf5 28. fxe4 Be6 29. a3 f6 30. Nf3 Rc3 31. Rec1 Rec8
>32. Rf1 R8c4 33. d5 Bg8 34. d6 Rxe4 35. Rac1 Rec4 36. d7 Ke7 37. Rcd1 Kd8
>38. Rfe1 Bf7 39. Nd4 Rc1 40. Rxc1 Rxd4 41. Rc8+ Kxd7 42. Ra8 Bd5 43. Rxa6
>Ra4 44. Rxa4 bxa4 45. h4 g6 46. Kf2 f5 47. h5 Bc6 48. h6 Kd6 49. Rd1+ Kc7
>50. g3 Be4 51. g4 g5 52. Ke3 Kc6 53. Rf1 Kd7 54. gxf5 Bc2 55. Kd4 g4 56.
>Ke5 Ke8 57. Rc1 Bb3 58. Rc8+ Kd7 59. Rh8 g3 60. Rxh7+
>{Black resigns} 1-0
Chessmaster needs 8 ply and 2 seconds to find d7.
Time Depth Score Positions Moves
0:00 1/5 -0.60 12258 36.Rxc3 Rxc3 37.Rd1 Ke8 38.d7+
Kd8 39.Nd4
0:00 1/5 -0.42 14517 36.d7 Ke7 37.Rcd1 Kd8 38.Ne5 Re4
39.Rf3
0:00 1/6 -0.54 23235 36.d7 Ke7 37.Rcd1 Kd8 38.Rfe1 Bf7
39.Re7 Bg6
0:00 1/7 -0.57 58356 36.d7 Ke7 37.Rxc3 Rxc3 38.Rd1 Kd8
39.Nd4 Bf7
0:00 1/7 -0.35 100290 36.Rcd1 Rc8 37.d7 Rd8 38.Ne5 Rc5
39.Rde1 Rd5
0:01 1/8 -0.62 228068 36.Rcd1 Rc8 37.Nd4 Bf7 38.Rf3 Rc1
39.Rff1 Rxd1 40.Rxd1
0:02 1/8 -0.20 264217 36.d7 Ke7 37.Rcd1 Kd8 38.Rfe1 Bf7
39.Nd4 Rc7 40.Re7 Bg6
0:02 2/9 -0.12 368744 36.d7 Ke7 37.Rcd1 Kd8 38.Rfe1 Bf7
39.Nd4 Rc7 40.Re7 Bg6 41.Rxg7 Rxd7
42.Rxd7+ Kxd7 43.Nxb5+ Rd3
0:04 3/10 0.00 727260 36.d7 Ke7 37.Rcd1 Kd8 38.Rfe1 Bf7
39.Nd4 Rc7 40.Re7 Kxe7 41.Nc6+
Ke6 42.d8=Q R3xc6 43.Qd5+ Ke7 44.Qd8+
Ke6
0:09 4/11 0.04 1513707 36.d7 Ke7 37.Rcd1 Kd8 38.Rfe1 Bf7
39.Nd4 Rc7 40.Re7 Kxe7 41.Nc6+
Ke6 42.d8=Q R3xc6 43.Qd3
0:26 5/12 0.16 4739687 36.d7 Ke7 37.Rcd1 Kd8 38.Rfe1 Bf7
39.Nd4 Rxd4 40.Rxd4 Rxa3 41.Re7
Ra1+ 42.Kh2 Ra4 43.Rd2 Bg6 44.Rxg7
1:11 6/13 0.16 13159138 36.d7 Ke7 37.Rcd1 Kd8 38.Rfe1 Bf7
39.Nd4 Rxd4 40.Rxd4 Rxa3 41.Re7
Ra1+ 42.Kh2 Ra4 43.Rd2 Bg6 44.Rxg7
Ernst.
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