Quick game. Black uses aspiration search in root node only. White uses Skippers 'normal' search.
Not much difference.
[pgn]
[Event "Computer Chess Game"]
[Site "HP"]
[Date "2015.03.11"]
[Round "-"]
[White "SkipperWinb"]
[Black "SkipperWinb"]
[Result "1/2-1/2"]
[TimeControl "60"]
[Annotator "1. +0.16 1... +0.01"]
1. a3 {+0.16/7} Nc6 {+0.01/8 1.2} 2. Nf3 {+0.00/8 1.2} Nf6 {-0.01/8 1.2} 3.
d4 {-0.06/7 1.2} e6 {+0.06/7 1.2} 4. Nc3 {-0.12/7 1.1} Be7 {+0.15/7 1.1} 5.
b4 {-0.25/7 1.1} a6 {+0.10/7 1.1} 6. Be3 {-0.18/6 1.1} O-O {+0.23/7 1.1} 7.
Qd3 {-0.22/7 1.1} Bd6 {+0.15/6 1.1} 8. g3 {-0.24/6 1.0} Ng4 {+0.26/6 1.0}
9. Ne4 {-0.07/5 1.0} a5 {+0.11/5 1.0} 10. Bg5 {-0.14/5 1.0} f6
{+0.10/6 1.0} 11. Nxd6 {-0.07/6 1.0} cxd6 {+0.02/6 1.0} 12. Bf4
{-0.04/6 1.0} e5 {+0.09/6 1.0} 13. Qc4+ {-0.11/5 1.0} Rf7 {+0.12/5 1.0} 14.
dxe5 {-0.10/4 0.9} dxe5 {+0.30/6 0.9} 15. b5 {-0.28/5 0.9} exf4
{+0.34/5 0.9} 16. bxc6 {-0.23/5 0.9} Qb6 {+0.46/5 0.9} 17. e3 {-0.29/5 0.9}
Qxc6 {+0.26/5 0.9} 18. Qxc6 {-0.22/7 0.9} bxc6 {-0.01/7 0.9} 19. gxf4
{+0.27/7 0.8} d5 {-0.30/6 0.8} 20. h3 {+0.31/7 0.8} Nh6 {-0.13/8 0.8} 21.
c3 {+0.06/7 0.8} Nf5 {-0.03/8 1.0} 22. Bd3 {+0.08/7 1.0} g6 {-0.06/7 1.0}
23. O-O-O {+0.06/7 1.0} Be6 {-0.05/7 1.0} 24. Nd4 {+0.06/8 0.9} Nxd4
{-0.10/8 0.9} 25. exd4 {+0.01/7 0.9} f5 {-0.06/8 0.9} 26. Rhe1
{+0.03/7 0.9} Re8 {-0.02/7 0.9} 27. c4 {-0.01/7 0.9} h5 {-0.06/8 0.9} 28.
f3 {+0.07/8 0.9} dxc4 {-0.04/7 0.8} 29. Bxc4 {+0.06/9 0.8} Rfe7
{-0.05/9 0.8} 30. Bxe6+ {+0.05/9 0.8} Rxe6 {-0.05/10 0.8} 31. Rxe6
{+0.06/9 0.8} Rxe6 {-0.06/11 1.0} 32. Kd2 {+0.09/11 1.0} Kf7 {-0.01/9 1.0}
33. h4 {+0.12/10 1.0} Rd6 {-0.08/10 1.0} 34. Kc3 {+0.06/10 1.0} Re6
{-0.12/9 0.9} 35. Kd3 {+0.08/9 0.9} Ke7 {-0.11/9 0.9} 36. Rb1
{+0.25/10 0.9} Kd6 {-0.25/9 0.9} 37. Rb8 {+0.22/8 0.9} Re1 {-0.03/9 0.9}
38. Rd8+ {-0.22/8 0.8} Kc7 {+0.23/9 0.8} 39. Ra8 {-0.27/9 0.8} Rh1
{+0.33/9 0.8} 40. Rxa5 {-0.18/9 0.8} Rxh4 {+0.29/10 0.8} 41. Ke3
{-0.34/9 0.8} Rh2 {+0.37/10 1.1} 42. Ra7+ {-0.37/10 1.1} Kd6 {+0.38/9 1.1}
43. Ra8 {-0.50/9 1.0} Rb2 {+0.51/10 1.0} 44. Rd8+ {-0.47/10 1.0} Ke7
{+0.40/9 1.0} 45. Rg8 {-0.45/10 0.9} Rb3+ {+0.39/10 0.9} 46. Ke2
{-0.29/9 0.9} Kf6 {+0.24/9 0.9} 47. Rc8 {-0.27/9 0.8} Rb6 {+0.23/9 0.8} 48.
Kd3 {-0.19/9 0.8} Ke7 {+0.22/9 0.8} 49. Rc7+ {-0.21/8 0.8} Kd6
{+0.63/10 0.7} 50. Rg7 {-0.61/9 0.7} Ra6 {+0.41/10 0.7} 51. Rxg6+
{-0.56/11 0.7} Kd5 {+0.46/10 0.7} 52. Rf6 {-0.49/9 0.7} Rxa3+
{+0.56/11 0.6} 53. Ke2 {-0.73/10 0.6} Kxd4 {+0.79/9 0.6} 54. Rxf5
{-0.67/9 0.6} Ra2+ {+0.79/10 0.6} 55. Kd1 {-0.81/9 0.5} Kd3 {+0.77/9 0.5}
56. Kc1 {-0.77/9 0.5} Rc2+ {+0.73/9 0.5} 57. Kb1 {-0.72/9 0.5} h4
{+0.78/9 0.5} 58. Rh5 {-0.79/8 0.5} Rh2 {+1.04/9 0.5} 59. Rh6 {-1.04/8 0.5}
c5 {+1.10/9 0.4} 60. f5 {-0.98/8 0.4} h3 {+1.23/7 0.4} 61. f6 {-0.77/7 0.4}
Rh1+ {+0.51/7 0.4} 62. Kb2 {-0.07/8 0.4} c4 {+0.05/6 0.4} 63. f7
{+0.12/7 0.4} c3+ {-0.37/7 0.4} 64. Kb3 {+0.24/6 0.4} Rb1+ {-0.42/7 0.3}
65. Ka3 {+0.38/6 0.3} Rb8 {-0.95/6 0.3} 66. Rxh3 {+0.90/6 0.3} c2
{-0.91/6 0.3} 67. f4+ {+0.88/6 0.3} Kc4 {+0.26/6 0.3} 68. Rh1 {-0.28/5 0.3}
Rf8 {+0.20/6 0.3} 69. Kb2 {-0.31/6 0.3} Rxf7 {+0.24/7 0.3} 70. Rc1
{-0.26/7 0.3} Rxf4 {+0.32/7 0.3} 71. Rxc2+ {-0.27/8 0.3} Kd5 {+0.17/8 0.2}
72. Rd2+ {-0.22/9 0.2} Kc5 {+0.15/8 0.2} 73. Kc3 {-0.18/8 0.2} Rc4+
{+0.23/8 0.2} 74. Kb2 {-0.21/8 0.2}
{Xboard adjudication: Trivial draw} 1/2-1/2
[/pgn]
Aspiration bug
Moderator: Ras