Author: Mike Byrne
Date: 07:20:35 09/20/03
Go up one level in this thread
On September 20, 2003 at 08:26:49, Mikael Bäckman wrote:
>This position occured in a 15 min game chepla-nullmover.
>
>[D]r1b1kb1r/1p3ppp/p2pp3/q1pNn2Q/2B5/PP6/2PP1PPP/R1B1R1K1 w kq - 0 14
>
>Cheplas postgame analysis:
>
> 1.10 324 0.0 Rxe5 1/5
> 1.10 368 0.0 Rxe5 dxe5 2/5
> 1.10 1k 0.0 Rxe5 dxe5 Qxe5 3/8
> 0.77 3k 0.0 Rxe5 4/7
> 0.77 15k 0.1 Rxe5? 4/2
> 0.48 16k 0.1 Rxe5 dxe5 Qxe5 Qd8 4/10
> 0.78 21k 0.1 Rxe5 dxe5 Qxe5 Qd8 Bb2 5/13
> 0.99 88k 0.3 Rxe5 dxe5 Qxe5 Ra7 b4 Qa4 6/18
> 0.70 232k 0.6 Rxe5 dxe5 Qxe5 f6 Nxf6+ gxf6 Qxf6 Rg8 7/17
> 0.51 822k 2.2 Rxe5 dxe5 Qxe5 Kd8 b4 f6 Qb2 Qa4 8/22
> 0.57 2272k 6.2 Rxe5 dxe5 Qxe5 Kd8 b4 f6 Qb2 Qa4 Nb6 9/23
> 0.52 5529k 15.2 Rxe5 dxe5 Qxe5 Kd7 Ne3 Qc7 Bb2 Qxe5 Bxe5 Ke8 10/25
> 0.77 16418k 46.1 Rxe5 dxe5 Qxe5 Kd7 d4 Bd6 Qxg7 exd5 Qxh8 dxc4 Qxh7 11/29
> 0.89 25879k 73.1 Rxe5 dxe5 Qxe5 Kd7 d4 Bd6 Qxg7 exd5 Qxf7+ Be7 Qxd5+ Ke8
> 1.22 70744k 219.6 Rxe5! 13/33
>
>If you look at the lines you'll see that I have (chepla has) a big bug
>somewhere.. but is Rxe5 really good as it seems?
>
>
>
>Here's the full game:
>
>[Event "Computer chess game"]
>[Site "AMD1200"]
>[Date "2003.09.20"]
>[Round "3"]
>[White "Chepla v0.13"]
>[Black "Nullmover 0.20h"]
>[Result "1/2-1/2"]
>[TimeControl "900+1"]
>
>1. e4 c5 2. Nf3 Nc6 3. Bb5 Nf6 4. e5 Ng4 5. O-O Ngxe5 6. Nxe5 Nxe5 7. Qh5
>Qb6 8. Nc3 Nc6 9. Nd5 Qa5 10. Re1 a6 11. Bc4 e6 12. a3 d6 13. b3 Ne5 14.
>Rxe5 dxe5 15. Qxe5 Kd7 16. d4 b5 17. dxc5 Bxc5 18. b4 Bd6 19. Qxg7 Qd8 20.
>Bg5 Qf8 21. Nb6+ Kc6 22. Qd4 Rb8 23. Nxc8 Qxc8 24. Bd3 f5 25. c4 Qd7 26.
>cxb5+ axb5 27. Rc1+ Kb7 28. g3 Rhc8 29. Re1 Rc7 30. Bxb5 Qxb5 31. Qxd6 Re8
>32. Bf6 Rd7 33. Qf4 Rd3 34. Bb2 Ka8 35. Qc1 Qa6 36. Qc5 Red8 37. b5 Qd6 38.
>Qc4 Rd1 39. Bc3 Rxe1+ 40. Bxe1 e5 41. a4 e4 42. a5 Qd5 43. Qa4 Qd1 44. Qxd1
>Rxd1 45. Kf1 Rb1 46. b6 Rb2 47. h4 h5 48. Bc3 Rc2 49. Bb4 Rb2 50. Bc3 Rc2
>51. Bb4 Rb2 52. Be1 Ra2 53. Kg1 Ra1 54. Kf1 Ra2 55. Kg2 e3 56. Kf3 exf2 57.
>Bxf2 Rxa5 58. Kf4 Kb7 59. Kg5 Kc6 60. Kxh5 Ra3 61. Kg5 Rf3 62. Be1 Re3 63.
>Bf2 Rf3 64. Be1 Re3 65. Bd2 Rxg3+ 66. Kf4 Rh3 67. Be3 Kd6 68. Bf2 Rh1 69.
>Kg5 Rf1 70. Bg3+ Kc6 71. Bc7 f4 72. h5 f3 73. Kf4 Rh1 74. Kxf3 Rxh5 75. Ke2
>Rb5 76. Kd2 Kd5 77. Kc2 Kc4 78. Kd2 Rb4 79. Ke3 Kd5 80. Kd2 Kd4 81. Kc2 Rb5
>82. Kd2 Rb3 83. Kc2 Rb4 84. Kd2 Rb5 85. Kc2 Kd5 86. Kd2 Rb3 87. Kc2 Kc4 88.
>Kd2 Rb5 89. Kc2 Rb4 90. Bd8 Kd5 91. Kd2 Rd4+ 92. Kc3 Rc4+ 93. Kb3 Rc1 94.
>Kb2 Rc5 95. Bc7 Rc4 96. Ka3 Kc6 97. Kb3 Rc5 98. Kb4 Rc1 99. Kb3 Kd5 100.
>Kb4 Rd1 101. Kc3 Kc6 102. Kc4 Rd2 103. Kc3 Re2 104. Bd8 Re8 105. Bc7 Re3+
>106. Kc4 Rf3 107. Bd8 Rf4+ 108. Kc3 Kc5 109. Bc7 Rf3+ 110. Kc2 Kc6 111. Bd8
>Rg3 112. Bc7 Rh3 113. Bd8 Re3 114. Bc7 Ra3 115. Kd2 Rf3 116. Ke2 Rh3 117.
>Kd2 Ra3 118. Ke2 Rc3 119. Kd2 Rb3 120. Kc2 Re3 121. Kd2 Re8 122. Kd3 Kb7
>123. Kd4 Ka6 124. Kd5 Kb5
>{Chepla_v0.13: Draw by 50} 1/2-1/2
>
>
>
>/Mikael
good position ..I think Rxe5 is good enough to play
Black(1): [d]r1b1kb1r/1p3ppp/p2pp3/q1pNn2Q/2B5/PP6/2PP1PPP/R1B1R1K1 w kq - 0 14
White(1): go
clearing hash tables
time surplus 29.84 time limit 16666:39 (16666:39)
depth time score variation (1)
1 0.00 -0.17 1. Ne3 Nxc4 2. Nxc4
1-> 0.00 -0.17 1. Ne3 Nxc4 2. Nxc4
2 0.00 -0.17 1. Ne3 Nxc4 2. Nxc4
2-> 0.02 -0.17 1. Ne3 Nxc4 2. Nxc4
3 0.02 -- 1. Ne3
3 0.02 -0.64 1. Ne3 Nxc4 2. Nxc4 Qd8
3-> 0.03 -0.64 1. Ne3 Nxc4 2. Nxc4 Qd8
4 0.03 -0.40 1. Ne3 b5 2. Be2 Qd8
4-> 0.06 -0.40 1. Ne3 b5 2. Be2 Qd8
5 0.08 -0.39 1. Ne3 Nxc4 2. Nxc4 Qd8 3. Qd5 Be7
5-> 0.11 -0.39 1. Ne3 Nxc4 2. Nxc4 Qd8 3. Qd5 Be7
6 0.16 -0.39 1. Ne3 Qd8 2. Bb2 Nxc4 3. Nxc4 d5 4.
Ne5
6 0.28 -0.35 1. Nf4 Qd8 2. d3 Nxc4 3. dxc4 Qf6 4.
Bd2
6-> 0.28 -0.35 1. Nf4 Qd8 2. d3 Nxc4 3. dxc4 Qf6 4.
Bd2 (s=2)
7 0.39 -- 1. Nf4
7 0.52 -1.05 1. Nf4 Nxc4 2. bxc4 g6 3. Qd5 Be7 4.
Qf3 O-O
7 0.60 -0.46 1. Ne3 Nxc4 2. Nxc4 Qd8 3. Qe2 b5 4.
Qe4 Bd7
7 0.86 -0.24 1. f4 Nxc4 2. bxc4 Rb8 3. Rb1 Qd8 4.
f5 e5
7-> 1.05 -0.24 1. f4 Nxc4 2. bxc4 Rb8 3. Rb1 Qd8 4.
f5 e5 (s=4)
8 1.22 -0.10 1. f4 Nxc4 2. bxc4 Qd8 3. Bb2 b5 4.
Qg4 h5 5. Qe2 (s=3)
8-> 1.49 -0.10 1. f4 Nxc4 2. bxc4 Qd8 3. Bb2 b5 4.
Qg4 h5 5. Qe2 (s=3)
9 1.85 -0.11 1. f4 Nxc4 2. bxc4 Qd8 3. Bb2 a5 4.
f5 e5 5. d3 Be7 (s=2)
9-> 2.58 -0.11 1. f4 Nxc4 2. bxc4 Qd8 3. Bb2 a5 4.
f5 e5 5. d3 Be7 (s=3)
10 4.22 -0.06 1. f4 Nxc4 2. bxc4 Bd7 3. Bb2 b5 4.
f5 e5 5. Qf3 Rd8 6. Bc3 (s=2)
10-> 6.53 -0.06 1. f4 Nxc4 2. bxc4 Bd7 3. Bb2 b5 4.
f5 e5 5. Qf3 Rd8 6. Bc3 (s=2)
11 11.69 0.06 1. f4 Nxc4 2. bxc4 Qd8 3. Bb2 h6 4.
f5 e5 5. Re3 Bd7 6. Rae1 Be7
11-> 18.08 0.06 1. f4 Nxc4 2. bxc4 Qd8 3. Bb2 h6 4.
f5 e5 5. Re3 Bd7 6. Rae1 Be7 (s=2)
12 44.08 -0.03 1. f4 Nxc4 2. bxc4 b5 3. cxb5 axb5
4. Bb2 Bd7 5. Re2 Qd8 6. f5 e5 7. Rae1
Be7 8. Nxe7 Qxe7
12-> 58.55 -0.03 1. f4 Nxc4 2. bxc4 b5 3. cxb5 axb5
4. Bb2 Bd7 5. Re2 Qd8 6. f5 e5 7. Rae1
Be7 8. Nxe7 Qxe7
13 1:46 0.22 1. f4 Nxc4 2. bxc4 Qd8 3. Bb2 a5 4.
f5 e5 5. Bxe5 dxe5 6. Rxe5+ Kd7 7.
Qxf7+ Kc6 8. Re8 Qd6
13-> 2:10 0.22 1. f4 Nxc4 2. bxc4 Qd8 3. Bb2 a5 4.
f5 e5 5. Bxe5 dxe5 6. Rxe5+ Kd7 7.
Qxf7+ Kc6 8. Re8 Qd6
14 6:46 0.36 1. f4 Nxc4 2. bxc4 b5 3. cxb5 axb5
4. Bb2 Ra7 5. d4 c4 6. f5 g6 7. fxg6
fxg6 8. Nf6+ Kd8 9. Qe2
14 11:36 ++ 1. Rxe5!!
14 12:46 0.63 1. Rxe5 dxe5 2. Qxe5 Kd7 3. d4 Kc6
4. dxc5 Bxc5 5. Ne7+ Kd7 6. Be3 Bb4
7. Qd4+ Bd6 8. Rd1 Kxe7 9. Qxd6+ Kf6
14-> 12:46 0.63 1. Rxe5 dxe5 2. Qxe5 Kd7 3. d4 Kc6
4. dxc5 Bxc5 5. Ne7+ Kd7 6. Be3 Bb4
7. Qd4+ Bd6 8. Rd1 Kxe7 9. Qxd6+ Kf6
(s=3)
15 18:56 0.66 1. Rxe5 dxe5 2. Qxe5 Ra7 3. b4 Qd8
4. bxc5 f6 5. Qe3 Bxc5 6. Qxc5 exd5
7. Qxa7 dxc4 8. Qc5 (s=2)
15-> 22:01 0.66 1. Rxe5 dxe5 2. Qxe5 Ra7 3. b4 Qd8
4. bxc5 f6 5. Qe3 Bxc5 6. Qxc5 exd5
7. Qxa7 dxc4 8. Qc5
? 16 25:45 1/48* 1. Rxe5
White(1): ?
time=25:57 cpu=197% mat=-1 n=1498336674 fh=94% nps=962k
ext-> chk=89975072 cap=3081423 pp=583187 1rep=5582061 mate=241595
predicted=1 nodes=1498336674 evals=286395556
endgame tablebase-> probes=0 hits=0
SMP-> split=2343 stop=529 data=9/64 cpu=51:12 elap=25:57
White(1): Rxe5
time used: 25:57
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Last modified: Thu, 15 Apr 21 08:11:13 -0700
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