M ANSARI wrote:
What I noticed most is that the evaluation of SF 1.7 is very close to R3 ... usually within .10 cp.
I do not see it
Here are examples:
I see significant higher evaluations by stockfish(see moves near move 40 in the first game)
I see strong disagreement in evaluation in the second game that I post
in moves 20-30 of the second game stockfish evaluates itself as better when rybka evaluates the position as close to equal.
[Event "URI-AMD, Blitz:5'+5""]
[Site "URI-AMD"]
[Date "2010.04.09"]
[Round "2"]
[White "Stockfish 1.7 JA"]
[Black "Rybka 3 1-cpu 32-bit"]
[Result "1-0"]
[ECO "A30"]
[Annotator "0.32;0.22"]
[PlyCount "181"]
[TimeControl "300+5"]
{W=17.3 ply; 539kN/s B=11.5 ply; 23kN/s} 1. c4 c5 2. Nf3 Nf6 3. Nc3 e6 4. g3
b6 5. Bg2 Bb7 6. O-O Be7 7. d4 cxd4 8. Qxd4 d6 9. Rd1 a6 10. b3 Nbd7 11. e4 {
Both last book move} Qc8 {0.22/12 25} 12. Ba3 {0.32/16 16} Nc5 {0.10/12 8} 13.
Qe3 {(e4-e5) 0.40/17 11} O-O {-0.05/11 13} 14. Nd4 {0.28/17 16} Qc7 {
-0.02/12 32} 15. f3 {0.40/16 10} h6 {(Nf6-d7) -0.01/12 39} 16. Rd2 {
(Ba3-b2) 0.40/16 13} Rac8 {(Rf8-c8) 0.00/12 31} 17. Rad1 {0.48/17 17} Rfe8 {
0.02/11 11} 18. Nc2 {(Qe3-f2) 0.52/16 11} Rb8 {(Nf6-h5) 0.03/10 12} 19. Qe2 {
0.40/17 17} Rbc8 {(Re8-c8) 0.02/11 11} 20. Bb2 {0.48/18 14} Ncd7 {
(Bb7-c6) 0.03/11 14} 21. Ne3 {0.44/17 9} Red8 {(Qc7-b8) 0.04/12 52} 22. Ba3 {
(f3-f4) 0.48/17 11} Nc5 {0.00/11 5} 23. Qf2 {(Ba3-b2) 0.44/17 12} Bc6 {
0.00/12 26} 24. Rc1 {(Qf2-e2) 0.44/17 11} Qb8 {-0.05/11 11} 25. Nc2 {
(Ba3-b2) 0.40/16 13} Qc7 {(Bc6-d7) 0.00/12 29} 26. Nd4 {(Nc2-e3) 0.44/16 11}
Ba8 {(Bc6-b7) 0.00/11 6} 27. Bh3 {(Ba3-b2) 0.44/16 12} Kh7 {(Ba8-b7) 0.00/10 10
} 28. b4 {(Ba3-b2) 0.64/16 12} Ncd7 {0.32/11 7} 29. Bxe6 {0.72/17 13} fxe6 {
0.32/10 0} 30. Nxe6 {0.68/18 11} Qa7 {(Qc7-b8) 0.23/11 9} 31. Nxd8 {0.72/15 17}
Rxd8 {0.22/12 11} 32. Nd5 {0.60/15 10} Rf8 {0.31/12 29} 33. Qe3 {
(Rd2-d1) 0.56/16 8} Nxd5 {0.37/10 14} 34. exd5 {0.44/16 22} Bg5 {
(Be7-f6) 0.45/10 6} 35. f4 {0.60/15 7} Bf6 {0.38/11 8} 36. g4 {
(Qe3-d3+) 0.84/16 13} g6 {0.34/9 11} 37. Rf1 {(Rd2-e2) 1.37/15 10} Rf7 {
(Qa7-c7) 0.58/8 13} 38. Qe6 {(g4-g5) 1.49/16 14} Re7 {0.88/9 8} 39. Qxd6 {
1.61/12 1} Re4 {0.48/10 7} 40. f5 {1.25/16 10} gxf5 {0.48/11 12} 41. Rxf5 {
(g4xf5) 1.53/15 7} Rxc4 {0.54/11 10} 42. h3 {1.49/16 10} b5+ {0.67/11 8} 43.
Kg2 {(Rd2-f2) 1.53/17 9} Qc7 {0.49/10 7} 44. Rxf6 {1.41/18 10} Nxf6 {0.77/11 6}
45. Qxf6 {1.33/10 1} Bxd5+ {0.77/11 7} 46. Rxd5 {1.33/13 1} Rc2+ {0.77/9 0} 47.
Kf3 {1.41/17 7} Rc3+ {0.71/11 8} 48. Ke4 {1.65/18 9} Rxa3 {0.71/11 3} 49. Qf5+
{1.61/18 9} Kh8 {0.71/10 0} 50. Rd7 {1.61/17 7} Qc6+ {0.71/11 9} 51. Kd4 {
1.85/19 10} Qc3+ {(Qc6-c4+) 1.03/12 8} 52. Kd5 {1.89/16 0} Qc4+ {0.92/12 7} 53.
Ke5 {1.85/20 8} Re3+ {0.92/13 6} 54. Kf6 {1.85/21 6} Qc6+ {0.91/13 4} 55. Kf7 {
1.85/17 1} Qc4+ {0.91/12 0} 56. Rd5 {1.81/23 10} Qc7+ {0.91/12 0} 57. Qd7 {
1.61/22 7} Qb8 {0.91/12 0} 58. Qd8+ {1.57/21 8} Qxd8 {0.91/12 0} 59. Rxd8+ {
1.73/16 0} Kh7 {0.91/17 12} 60. Rd6 {1.49/22 8} Rf3+ {1.11/16 7} 61. Rf6 {
1.69/22 8} Rxh3 {1.11/17 2} 62. Rxa6 {1.77/21 9} Rg3 {(Rh3-f3+) 1.11/18 10} 63.
Rb6 {2.54/18 22} Rxg4 {(Rg3-f3+) 1.11/17 3} 64. Rxb5 {2.34/17 6} Rg7+ {
(Rg4-f4+) 1.11/17 6} 65. Ke6 {3.23/17 5} Rg6+ {1.11/17 6} 66. Kd7 {3.23/19 8}
Rg7+ {1.11/17 9} 67. Kd6 {(Kd7-c6) 3.31/17 8} Rg6+ {1.11/14 8} 68. Kc7 {
3.11/19 8} Rg7+ {1.11/13 7} 69. Kb6 {3.67/18 8} Rg6+ {2.26/12 6} 70. Ka5 {
3.59/18 5} Rg8 {(Rg6-g7) 2.26/14 6} 71. Rb6 {(Rb5-d5) 4.12/17 6} h5 {0.75/13 6}
72. b5 {4.04/16 7} Rg2 {(h5-h4) 1.23/12 6} 73. a4 {(Rb6-c6) 6.22/16 6} h4 {
(Rg2-g8) 3.32/10 5} 74. Rc6 {(Rb6-d6) 7.95/17 5} Rg5 {(h4-h3) 3.32/11 5} 75.
Rc1 {10.14/18 8} h3 {(Rg5-e5) 3.32/10 5} 76. Rh1 {11.91/19 8} Kg6 {4.91/10 5}
77. Ka6 {(Rh1xh3) 13.37/17 6} Re5 {(Rg5-c5) 5.11/8 5} 78. b6 {
(Rh1xh3) 19.71/17 10} Re6 {(Re5-e4) 5.58/8 5} 79. Rxh3 {77.09/17 6} Kg5 {
(Re6-d6) 6.75/9 5} 80. Ka7 {(a4-a5) 82.87/22 7} Kg4 {6.92/7 4} 81. Rh1 {
(b6-b7) 82.92/23 6} Kf5 {(Kg4-f3) 10.29/9 5} 82. b7 {(Rh1-f1+) 95.45/16 7} Re7
{10.07/9 5} 83. a5 {(Rh1-f1+) 101.67/15 11} Rd7 {(Re7-c7) 11.80/8 5} 84. Ka8 {
(a5-a6) 95.81/17 7} Rd3 {(Rd7xb7) 17.31/6 5} 85. b8=Q {#11/11 2} Rd2 {
(Rd3-e3) 18.12/7 5} 86. Rf1+ {(Qb8-b5+) #8/10 1} Rf2 {(Kf5-e6) #11/8 4} 87.
Rxf2+ {#6/6 0} Ke6 {(Kf5-e4) #11/7 2} 88. Re2+ {(a5-a6) #5/6 0} Kd5 {
(Ke6-f5) #6/3 0} 89. Qb4 {#3/6 0} Kc6 {#3/3 0} 90. Rd2 {(Qb4-c4+) #2/6 0} Kc7 {
#2/3 0} 91. Qc3# {#1/6 0} 1-0
[Event "URI-AMD, Blitz:1'+1""]
[Site "URI-AMD"]
[Date "2010.04.08"]
[Round "11"]
[White "Rybka 3 1-cpu 32-bit"]
[Black "Stockfish 1.7 JA"]
[Result "0-1"]
[ECO "B25"]
[Annotator "0.03;0.04"]
[PlyCount "190"]
[TimeControl "60+1"]
{W=8.8 ply; 23kN/s B=13.3 ply; 426kN/s} 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2
Bg7 5. d3 d6 6. f4 e6 7. Nf3 Nge7 8. O-O O-O 9. Be3 Nd4 {Both last book move}
10. Rb1 {0.03/9 7} Bd7 {(Qd8-a5) 0.04/13 2} 11. Qd2 {(Nc3-e2) 0.08/10 4} Rc8 {
(Qd8-c7) -0.16/13 4} 12. Ne2 {0.05/9 2} Nxf3+ {(Ne7-c6) 0.00/12 4} 13. Bxf3 {
0.06/10 3} d5 {(b7-b6) -0.20/15 3} 14. b4 {(Rf1-d1) 0.09/10 5} cxb4 {-0.12/13 4
} 15. Rxb4 {(Be3xa7) 0.08/11 7} b6 {(Qd8-c7) -0.24/14 3} 16. e5 {
(Be3-d4) -0.07/9 4} f6 {(Ne7-f5) -0.52/13 2} 17. exf6 {0.02/9 1} Bxf6 {
-0.52/14 2} 18. Bd4 {(Be3-f2) 0.00/10 2} Nf5 {-0.52/14 3} 19. Bxf6 {0.00/11 2}
Qxf6 {-0.76/14 3} 20. c3 {(c2-c4) -0.03/11 2} Qe7 {-0.64/13 2} 21. Re1 {
(g3-g4) -0.04/11 4} Qc5+ {-0.68/14 2} 22. d4 {-0.05/12 2} Qc7 {-0.84/16 4} 23.
Qd3 {(Rb4-b3) -0.04/11 3} Kg7 {(Nf5-d6) -0.72/15 2} 24. Bg2 {
(Rb4-b3) -0.04/10 3} h6 {(Nf5-d6) -0.76/16 3} 25. Rbb1 {(Rb4-b3) -0.04/10 3}
Nd6 {-0.84/14 3} 26. Rb4 {-0.08/9 3} Rf5 {(Nd6-c4) -0.88/14 7} 27. Qa6 {
(Bg2-f3) -0.05/9 2} Bc6 {(Rf5-f7) -0.80/12 2} 28. Qd3 {-0.05/9 3} Bb7 {
-0.88/13 2} 29. Rb3 {(Bg2-h3) -0.03/9 2} Rf6 {(Qc7-d7) -0.80/12 1} 30. Nc1 {
(Bg2-f3) -0.04/9 2} Ne4 {-0.80/13 1} 31. Ne2 {-0.08/9 2} Bc6 {
(Rf6-f7) -0.92/14 7} 32. Rbb1 {(Bg2xe4) -0.01/9 3} Nd6 {(Rf6-f8) -1.05/12 5}
33. Nc1 {(Rb1-b3) 0.00/10 2} Ba4 {(Bc6-b7) -1.05/13 1} 34. Ne2 {
(g3-g4) -0.16/10 4} Qc4 {(Qc7-d7) -1.13/14 2} 35. Qd2 {(Qd3xc4) -0.24/9 1} Bb5
{-1.33/13 1} 36. Qe3 {(Rb1-b4) -0.34/9 3} Qd3 {-1.37/12 1} 37. Qf2 {
(Qe3xd3) -0.36/9 1} Ba4 {(Qd3-f5) -1.73/12 2} 38. Ra1 {(Re1-c1) -0.44/9 3} Nc4
{(Rf6-f8) -1.81/12 1} 39. Rab1 {(a2-a3) -0.57/9 4} Ne3 {(Qd3-e3) -2.26/13 2}
40. Qf3 {(Re1-c1) -0.63/8 3} Qd2 {-2.98/12 2} 41. Ra1 {(Re1-c1) -1.72/7 3} Bc2
{-3.55/14 1} 42. Bh3 {-2.19/8 1} Nd1 {-3.23/15 2} 43. Rf1 {(Kg1-f1) -2.28/9 1}
Be4 {-3.83/15 1} 44. Raxd1 {-2.28/10 1} Qxd1 {-3.87/13 1} 45. Qe3 {
(Rf1xd1) -2.28/11 1} Qc2 {(Qd1-d3) -3.91/14 1} 46. a3 {-2.24/10 1} Qa2 {
-3.75/15 1} 47. Bg2 {(g3-g4) -2.25/10 1} Bxg2 {-3.67/15 4} 48. Kxg2 {-2.25/9 0}
Qxa3 {-3.39/14 3} 49. Qe5 {-2.23/10 2} Kf7 {-3.39/13 1} 50. g4 {-2.13/10 2} Qe7
{-3.35/12 1} 51. h4 {(Rf1-f3) -2.24/9 1} Qd7 {(a7-a5) -3.47/12 3} 52. Ng3 {
(Qe5-e3) -1.99/8 2} Ke7 {-3.35/11 1} 53. Qe3 {-2.09/7 0} Qc6 {-3.27/12 2} 54.
Rf3 {(Rf1-e1) -2.13/7 2} a5 {-3.63/11 2} 55. h5 {(f4-f5) -2.26/8 1} Rg8 {
(Ke7-d7) -3.87/11 2} 56. Kh3 {-2.38/7 1} g5 {-3.79/12 1} 57. f5 {-2.56/8 1} Re8
{(a5-a4) -3.95/13 1} 58. Qc1 {-2.50/7 1} a4 {-4.16/12 1} 59. Rf2 {
(Qc1-a3+) -2.50/8 1} Rc8 {-3.91/11 1} 60. Qa3+ {(Rf2-f3) -2.47/8 1} Qd6 {
-4.32/11 1} 61. Qb2 {(Qa3-c1) -2.47/8 1} Kd8 {-4.08/12 2} 62. Qa1 {
(Rf2-e2) -2.63/7 1} b5 {-4.24/11 1} 63. Kg2 {(Qa1-e1) -2.66/7 1} Kd7 {
(a4-a3) -4.44/10 1} 64. Qb2 {(Rf2-f3) -2.44/7 1} Kc6 {-4.16/11 1} 65. Rf1 {
-2.65/8 1} a3 {-4.12/14 1} 66. Qb3 {-2.58/9 1} Ra8 {-4.00/14 1} 67. Rb1 {
(Rf1-a1) -2.58/9 1} Ra5 {-4.00/12 1} 68. Ra1 {-2.58/10 1} exf5 {
(Kc6-b6) -4.88/13 1} 69. Nxf5 {-2.58/8 1} Qf4 {-4.84/11 1} 70. Ne7+ {
(Qb3-d1) -2.58/8 1} Kd7 {-3.91/12 1} 71. Qxd5+ {-2.38/9 1} Ke8 {
(Kd7xe7) -3.67/12 1} 72. Qg8+ {(Ne7-c6) -3.15/7 1} Rf8 {-4.96/11 1} 73. Qe6 {
-3.15/9 1} Qf2+ {-6.02/12 1} 74. Kh1 {-3.15/8 0} Rf6 {-5.53/13 1} 75. Qc8+ {
-3.15/9 1} Kxe7 {-9.57/12 1} 76. Qc7+ {-3.15/9 1} Kf8 {-8.00/14 1} 77. Qxa5 {
-3.15/10 1} Qh4+ {-16.12/14 1} 78. Kg1 {-3.15/8 0} Qxg4+ {-17.05/14 1} 79. Kh1
{-3.15/7 0} Qxh5+ {-19.91/14 1} 80. Kg2 {(Kh1-g1) -3.15/9 2} Qg4+ {
(Qh5-e2+) -22.74/14 1} 81. Kh1 {-4.53/8 2} Qh3+ {(Qg4-h4+) -25.57/14 1} 82. Kg1
{-4.53/7 0} Qe3+ {-25.85/13 1} 83. Kh1 {-4.53/7 2} Rf2 {(Rf6-f4) -91.75/15 1}
84. Qa8+ {-11.88/7 1} Kf7 {(Kf8-g7) -92.00/16 1} 85. Qd5+ {(Qa8-g2) -14.19/6 1}
Kg6 {-93.15/16 1} 86. Qc6+ {-14.89/8 1} Kh5 {-93.15/16 1} 87. Qg2 {-14.40/6 1}
Rxg2 {-93.05/10 0} 88. Kxg2 {-15.62/7 1} Qxc3 {-93.15/15 1} 89. Rxa3 {
(Ra1-h1+) -20.27/7 1} Qxa3 {-#8/12 1} 90. d5 {(Kg2-f2) -22.35/7 1} Qe3 {
(Kh5-g4) -#6/8 0} 91. d6 {-21.60/6 1} g4 {(b5-b4) -#5/6 0} 92. d7 {-#4/5 0}
Qf3+ {(g4-g3) -#4/6 0} 93. Kh2 {-#4/5 0} Qf2+ {(g4-g3+) -#3/6 0} 94. Kh1 {
-#3/3 0} g3 {-#2/6 0} 95. d8=Q {-#2/3 0} Qf1# {-#1/6 0} 0-1