Dev Builds » 20200521-1157

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 06:29:38 582367 4000 54 2625 1321 -265.04 ± 6.99 657 1257 86 0 0 -663.24 ± 37.23
ncm-dbt-02 06:30:18 587278 4004 74 2568 1362 -253.52 ± 6.68 594 1307 100 1 0 -633.07 ± 34.46
ncm-dbt-03 06:30:01 586208 3996 66 2617 1313 -262.47 ± 6.86 637 1277 84 0 0 -667.24 ± 37.69
ncm-dbt-04 06:28:50 567824 4000 73 2635 1292 -263.71 ± 7.07 660 1242 98 0 0 -640.02 ± 34.81
ncm-dbt-05 06:28:59 580853 4000 49 2631 1320 -266.67 ± 6.88 651 1282 65 2 0 -702.26 ± 43.01
20000 316 13076 6608 -262.24 ± 3.08 3199 6365 433 3 0 -659.57 ± 16.41

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
437909 ncm-dbt-02 589027 4 0 3 1 -336.56 ± 527.33 1 1 0 0 0 -1199.83 ± 312.71
437908 ncm-dbt-01 582235 500 10 325 165 -257.59 ± 20.51 82 151 17 0 0 -581.38 ± 88.96
437907 ncm-dbt-03 586266 496 9 327 160 -264.08 ± 19.86 81 156 11 0 0 -657.71 ± 116.76
437906 ncm-dbt-05 577561 500 3 328 169 -269.36 ± 19.57 83 159 8 0 0 -715.51 ± 146.53
437905 ncm-dbt-04 566888 500 6 336 158 -275.44 ± 20.59 89 152 9 0 0 -694.7 ± 134.18
437904 ncm-dbt-02 586901 500 10 323 167 -255.29 ± 19.19 76 161 13 0 0 -629.41 ± 104.8
437903 ncm-dbt-01 582778 500 6 330 164 -268.16 ± 19.71 83 158 9 0 0 -694.7 ± 134.18
437902 ncm-dbt-05 580323 500 10 335 155 -269.36 ± 20.68 87 151 12 0 0 -643.67 ± 110.29
437901 ncm-dbt-03 585084 500 7 326 167 -262.24 ± 18.7 77 165 8 0 0 -715.51 ± 146.53
437900 ncm-dbt-04 569310 500 5 332 163 -271.78 ± 19.57 84 159 7 0 0 -739.05 ± 163.27
437899 ncm-dbt-02 587622 500 17 316 167 -239.73 ± 19.17 70 159 21 0 0 -543.23 ± 78.65
437898 ncm-dbt-01 581111 500 6 335 159 -274.22 ± 21.55 92 145 13 0 0 -629.41 ± 104.8
437897 ncm-dbt-05 582861 500 5 324 171 -262.24 ± 18.41 76 167 7 0 0 -739.05 ± 163.27
437896 ncm-dbt-03 586054 500 4 322 174 -261.07 ± 17.97 74 170 6 0 0 -766.17 ± 188.02
437895 ncm-dbt-02 586604 500 12 314 174 -243.0 ± 18.13 67 168 15 0 0 -603.84 ± 95.91
437894 ncm-dbt-04 567878 500 10 321 169 -253.02 ± 19.42 76 159 15 0 0 -603.84 ± 95.91
437893 ncm-dbt-05 584411 500 5 334 161 -274.22 ± 19.57 85 159 6 0 0 -766.17 ± 188.02
437892 ncm-dbt-01 582485 500 6 330 164 -268.16 ± 19.42 82 160 8 0 0 -715.51 ± 146.53
437891 ncm-dbt-03 587792 500 15 327 158 -254.15 ± 20.57 81 150 19 0 0 -561.34 ± 83.33
437890 ncm-dbt-02 587834 500 9 310 181 -241.91 ± 17.98 66 169 15 0 0 -603.84 ± 95.91
437889 ncm-dbt-04 568196 500 11 337 152 -270.57 ± 21.1 89 148 13 0 0 -629.41 ± 104.8
437888 ncm-dbt-05 583028 500 8 323 169 -257.59 ± 18.68 75 165 10 0 0 -676.04 ± 124.55
437887 ncm-dbt-01 580696 500 4 337 159 -279.16 ± 20.45 90 153 7 0 0 -739.05 ± 163.27
437886 ncm-dbt-03 586477 500 11 317 172 -247.41 ± 17.92 68 170 12 0 0 -643.67 ± 110.29
437885 ncm-dbt-04 567165 500 8 328 164 -263.41 ± 18.84 78 164 8 0 0 -715.51 ± 146.53
437884 ncm-dbt-02 587282 500 7 319 174 -254.15 ± 18.52 73 166 11 0 0 -659.13 ± 116.77
437883 ncm-dbt-05 579083 500 6 334 160 -273.0 ± 21.4 89 152 7 2 0 -659.17 ± 146.32
437882 ncm-dbt-01 582736 500 8 337 155 -274.22 ± 20.72 89 151 10 0 0 -676.04 ± 124.55
437881 ncm-dbt-03 586731 500 5 332 163 -271.78 ± 20.43 87 153 10 0 0 -676.04 ± 124.55
437880 ncm-dbt-02 585801 500 4 322 174 -261.07 ± 18.83 77 164 9 0 0 -694.7 ± 134.18
437879 ncm-dbt-04 568275 500 11 324 165 -255.29 ± 19.46 77 159 14 0 0 -616.18 ± 100.06
437878 ncm-dbt-05 575232 500 8 327 165 -262.24 ± 19.26 79 161 10 0 0 -676.04 ± 124.55
437877 ncm-dbt-01 584579 500 6 318 176 -254.15 ± 18.52 73 166 11 0 0 -659.13 ± 116.77
437876 ncm-dbt-02 586435 500 8 338 154 -275.44 ± 20.59 89 152 9 0 0 -694.7 ± 134.18
437875 ncm-dbt-03 585211 500 6 335 159 -274.22 ± 19.86 86 157 7 0 0 -739.05 ± 163.27
437874 ncm-dbt-04 567799 500 11 319 170 -249.64 ± 19.74 76 156 18 0 0 -571.09 ± 86.01
437873 ncm-dbt-05 584327 500 4 326 170 -265.77 ± 18.25 77 168 5 0 0 -798.18 ± 231.48
437872 ncm-dbt-01 582318 500 8 313 179 -246.3 ± 17.51 66 173 11 0 0 -659.13 ± 116.77
437871 ncm-dbt-03 586054 500 9 331 160 -265.77 ± 19.97 83 156 11 0 0 -659.13 ± 116.77
437870 ncm-dbt-02 588004 500 7 323 170 -258.75 ± 18.82 75 167 7 1 0 -694.74 ± 156.93
437869 ncm-dbt-04 567086 500 11 338 151 -271.78 ± 21.52 91 145 14 0 0 -616.18 ± 100.06

Commit

Commit ID 20ceeac8b3a3bd13a64d6a224ef190d6cdd94f63
Author protonspring
Date 2020-05-21 11:57:50 UTC
Simplify evaluation for blocked passers. This is a functional simplification of the evaluation code for blocked passers. I've also changed a few variable names for clarity. STC LLR: 2.94 (-2.94,2.94) {-1.50,0.50} Total: 141984 W: 27450 L: 27466 D: 87068 Ptnml(0-2): 2414, 16511, 33175, 16461, 2431 https://tests.stockfishchess.org/tests/view/5ec4001b05aa4bc72d9759e7 LTC LLR: 2.93 (-2.94,2.94) {-1.50,0.50} Total: 30536 W: 3966 L: 3885 D: 22685 Ptnml(0-2): 216, 2841, 9073, 2922, 216 https://tests.stockfishchess.org/tests/view/5ec4bd0d377121ac09e101b7 Closes https://github.com/official-stockfish/Stockfish/pull/2690 Bench: 4704681
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