Dev Builds » 20160610-0453

Use this dev build

NCM plays each Stockfish dev build 20,000 times against Stockfish 15. This yields an approximate Elo difference and establishes confidence in the strength of the dev builds.

Summary

Host Duration Avg Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo
ncm-dbt-01 06:13:50 585082 4000 15 3175 810 -372.25 ± 10.31 1175 810 15 0 0 -969.71 ± 96.72
ncm-dbt-02 06:14:14 590999 4016 13 3152 851 -364.64 ± 9.96 1145 849 14 0 0 -982.43 ± 100.91
ncm-dbt-03 06:15:20 585118 4000 14 3140 846 -364.53 ± 10.0 1141 844 15 0 0 -969.71 ± 96.72
ncm-dbt-04 06:15:39 568154 3992 10 3198 784 -380.35 ± 10.6 1205 778 13 0 0 -994.31 ± 105.71
ncm-dbt-05 06:14:41 582833 3992 8 3124 860 -363.7 ± 9.9 1131 854 11 0 0 -1023.41 ± 117.82
20000 60 15789 4151 -369.0 ± 4.54 5797 4135 68 0 0 -986.81 ± 42.09

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
477847 ncm-dbt-02 591168 16 0 11 5 -292.66 ± 121.99 3 5 0 0 0 -1199.83 ± 190.04
477846 ncm-dbt-05 581610 492 2 394 96 -378.57 ± 30.39 148 96 2 0 0 -955.49 ± 197.98
477845 ncm-dbt-04 569509 492 1 404 87 -400.96 ± 32.54 158 87 1 0 0 -1076.09 ± 156.36
477844 ncm-dbt-03 587367 500 1 397 102 -374.1 ± 29.14 147 102 1 0 0 -1078.89 ± 154.95
477843 ncm-dbt-01 585421 500 2 386 112 -352.79 ± 27.17 136 112 2 0 0 -958.31 ± 196.57
477842 ncm-dbt-02 591469 500 0 382 118 -349.42 ± 25.96 132 118 0 0 0 -1199.83 ± 0.0
477841 ncm-dbt-05 582819 500 3 393 104 -363.19 ± 28.78 143 104 3 0 0 -887.58 ± 222.18
477840 ncm-dbt-04 568355 500 2 405 93 -387.55 ± 31.19 155 93 2 0 0 -958.31 ± 196.57
477839 ncm-dbt-01 581943 500 0 393 107 -368.57 ± 28.05 143 107 0 0 0 -1199.83 ± 0.0
477838 ncm-dbt-02 594932 500 2 400 98 -377.86 ± 30.05 150 98 2 0 0 -958.31 ± 196.57
477837 ncm-dbt-03 585548 500 2 389 109 -357.93 ± 27.75 139 109 2 0 0 -958.31 ± 196.57
477836 ncm-dbt-05 583950 500 1 384 115 -351.1 ± 26.97 135 113 2 0 0 -958.31 ± 196.57
477835 ncm-dbt-02 590567 500 3 370 127 -325.66 ± 24.5 120 127 3 0 0 -887.58 ± 222.18
477834 ncm-dbt-03 583782 500 3 387 110 -352.79 ± 27.98 138 108 4 0 0 -837.28 ± 240.94
477833 ncm-dbt-01 586393 500 3 407 90 -389.55 ± 31.93 157 90 3 0 0 -887.58 ± 222.18
477832 ncm-dbt-04 568514 500 2 395 103 -368.58 ± 29.41 146 101 3 0 0 -887.58 ± 222.18
477831 ncm-dbt-03 586774 500 3 397 100 -370.4 ± 29.63 147 100 3 0 0 -887.58 ± 222.18
477830 ncm-dbt-05 586139 500 1 381 118 -346.11 ± 26.41 132 116 2 0 0 -958.31 ± 196.57
477829 ncm-dbt-01 585717 500 2 400 98 -377.86 ± 30.05 150 98 2 0 0 -958.31 ± 196.57
477828 ncm-dbt-04 561408 500 1 411 88 -401.91 ± 32.38 161 88 1 0 0 -1078.89 ± 154.95
477827 ncm-dbt-02 586181 500 2 396 102 -370.4 ± 29.63 147 100 3 0 0 -887.58 ± 222.18
477826 ncm-dbt-05 581527 500 1 380 119 -344.47 ± 25.83 130 119 1 0 0 -1078.89 ± 154.95
477825 ncm-dbt-01 586689 500 2 403 95 -383.62 ± 30.72 153 95 2 0 0 -958.31 ± 196.57
477824 ncm-dbt-03 584537 500 0 398 102 -377.86 ± 29.08 148 102 0 0 0 -1199.83 ± 0.0
477823 ncm-dbt-04 570308 500 2 390 108 -359.67 ± 28.37 141 106 3 0 0 -887.58 ± 222.18
477822 ncm-dbt-02 590138 500 1 403 96 -385.58 ± 30.46 153 96 1 0 0 -1078.89 ± 154.95
477821 ncm-dbt-01 585253 500 2 400 98 -377.86 ± 30.05 150 98 2 0 0 -958.31 ± 196.57
477820 ncm-dbt-05 581693 500 0 390 110 -363.19 ± 27.46 140 110 0 0 0 -1199.83 ± 0.0
477819 ncm-dbt-02 591211 500 1 388 111 -357.93 ± 27.32 138 111 1 0 0 -1078.89 ± 154.95
477818 ncm-dbt-04 568077 500 0 395 105 -372.24 ± 28.46 145 105 0 0 0 -1199.83 ± 0.0
477817 ncm-dbt-03 584537 500 1 394 105 -368.58 ± 28.51 144 105 1 0 0 -1078.89 ± 154.95
477816 ncm-dbt-01 584706 500 2 402 96 -381.69 ± 30.49 152 96 2 0 0 -958.31 ± 196.57
477815 ncm-dbt-05 581277 500 0 404 96 -389.54 ± 30.4 154 96 0 0 0 -1199.83 ± 0.0
477814 ncm-dbt-03 583740 500 2 388 110 -356.2 ± 27.55 138 110 2 0 0 -958.31 ± 196.57
477813 ncm-dbt-02 592116 500 3 395 102 -366.77 ± 29.2 145 102 3 0 0 -887.58 ± 222.18
477812 ncm-dbt-04 570909 500 2 400 98 -377.86 ± 30.05 150 98 2 0 0 -958.31 ± 196.57
477811 ncm-dbt-05 583656 500 0 398 102 -377.86 ± 29.57 149 100 1 0 0 -1078.89 ± 154.95
477810 ncm-dbt-01 584537 500 2 384 114 -349.42 ± 26.79 134 114 2 0 0 -958.31 ± 196.57
477809 ncm-dbt-02 591211 500 1 407 92 -393.59 ± 31.39 157 92 1 0 0 -1078.89 ± 154.95
477808 ncm-dbt-04 568156 500 0 398 102 -377.86 ± 29.57 149 100 1 0 0 -1078.89 ± 154.95
477807 ncm-dbt-03 584664 500 2 390 108 -359.67 ± 27.95 140 108 2 0 0 -958.31 ± 196.57

Commit

Commit ID 6fed8ff22ab618c89de2bb69bbc379816692baf4
Author Alain SAVARD
Date 2016-06-10 04:53:07 UTC
Small Queen simplification Moving a few lines from evaluate_threats to evaluate_pieces allows to a) Remove a condition pos.count<QUEEN>(Them) == 1 b) use precalculated s instead of pos.square(Them) c) do not check the condition at all in queenless endings Passed STC http://tests.stockfishchess.org/tests/view/5752e0410ebc59029919b1f4 LLR: 2.96 (-2.94,2.94) [-3.00,1.00] Total: 67175 W: 12194 L: 12152 D: 42829 and LTC http://tests.stockfishchess.org/tests/view/57587b140ebc59029919b2f4 LLR: 2.95 (-2.94,2.94) [-3.00,1.00] Total: 20276 W: 2774 L: 2653 D: 14849 bench: 7907962
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