Dev Builds » 20181216-0857

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 06:31:06 584346 4002 41 2758 1203 -287.36 ± 7.52 770 1177 54 0 0 -745.59 ± 47.43
ncm-dbt-02 06:30:06 590415 4000 27 2738 1235 -286.61 ± 7.28 749 1213 38 0 0 -807.24 ± 57.16
ncm-dbt-03 06:29:04 585965 4000 46 2767 1187 -288.22 ± 7.6 778 1165 57 0 0 -735.97 ± 46.1
ncm-dbt-04 06:29:29 568575 4000 50 2724 1226 -280.74 ± 7.38 738 1198 64 0 0 -715.54 ± 43.39
ncm-dbt-05 06:30:26 583206 3998 35 2758 1205 -288.77 ± 7.48 769 1186 43 1 0 -777.49 ± 53.47
20000 199 13745 6056 -286.32 ± 3.33 3804 5939 256 1 0 -753.51 ± 21.38

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
476271 ncm-dbt-01 585211 2 0 1 1 -189.7 ± 55.98 0 1 0 0 0 -1129.65 ± 376.02
476270 ncm-dbt-03 584748 500 6 352 142 -295.93 ± 22.43 103 140 7 0 0 -739.05 ± 163.27
476269 ncm-dbt-02 587792 500 3 338 159 -281.67 ± 20.45 91 153 6 0 0 -766.17 ± 188.02
476268 ncm-dbt-01 585379 500 6 350 144 -293.28 ± 21.81 100 144 6 0 0 -766.17 ± 188.02
476267 ncm-dbt-04 569989 500 12 344 144 -277.92 ± 21.73 94 144 12 0 0 -643.67 ± 110.29
476266 ncm-dbt-05 579868 498 5 340 153 -283.38 ± 20.7 92 151 6 0 0 -765.47 ± 188.01
476223 ncm-dbt-03 586223 500 3 348 149 -294.6 ± 21.33 99 147 4 0 0 -837.28 ± 240.94
476222 ncm-dbt-04 569310 500 5 341 154 -282.94 ± 21.2 94 148 8 0 0 -715.51 ± 146.53
476221 ncm-dbt-01 585885 500 5 340 155 -281.67 ± 20.45 91 153 6 0 0 -766.17 ± 188.02
476220 ncm-dbt-02 591297 500 3 339 158 -282.94 ± 19.99 90 156 4 0 0 -837.28 ± 240.94
476219 ncm-dbt-05 583405 500 5 339 156 -280.42 ± 20.6 90 155 4 1 0 -766.23 ± 273.11
476218 ncm-dbt-03 586731 500 5 343 152 -285.48 ± 20.59 93 152 5 0 0 -798.18 ± 231.48
476217 ncm-dbt-04 567720 500 3 335 162 -277.92 ± 20.01 88 156 6 0 0 -766.17 ± 188.02
476216 ncm-dbt-02 592331 500 3 332 165 -274.22 ± 19.27 84 161 5 0 0 -798.18 ± 231.48
476215 ncm-dbt-05 584748 500 5 351 144 -295.93 ± 22.43 103 140 7 0 0 -739.05 ± 163.27
476214 ncm-dbt-01 584748 500 6 336 158 -275.44 ± 21.43 92 146 12 0 0 -643.67 ± 110.29
476213 ncm-dbt-03 586054 500 4 334 162 -275.44 ± 19.41 85 160 5 0 0 -798.18 ± 231.48
476212 ncm-dbt-02 590310 500 8 345 147 -284.21 ± 21.64 96 145 9 0 0 -694.7 ± 134.18
476211 ncm-dbt-01 583279 500 3 347 150 -293.28 ± 21.18 98 148 4 0 0 -837.28 ± 240.94
476210 ncm-dbt-05 584706 500 2 349 149 -297.27 ± 22.27 103 141 6 0 0 -766.17 ± 188.02
476209 ncm-dbt-04 567205 500 5 351 144 -295.93 ± 21.8 101 144 5 0 0 -798.18 ± 231.48
476208 ncm-dbt-03 586393 500 5 357 138 -304.06 ± 23.69 110 132 8 0 0 -715.51 ± 146.53
476207 ncm-dbt-04 568037 500 10 349 141 -286.77 ± 22.81 101 137 12 0 0 -643.67 ± 110.29
476206 ncm-dbt-02 590481 500 3 346 151 -291.96 ± 21.03 97 149 4 0 0 -837.28 ± 240.94
476205 ncm-dbt-05 585253 500 3 353 144 -301.32 ± 21.77 103 144 3 0 0 -887.58 ± 222.18
476204 ncm-dbt-01 583279 500 5 342 153 -284.21 ± 20.44 92 153 5 0 0 -798.18 ± 231.48
476203 ncm-dbt-04 569589 500 4 340 156 -282.94 ± 20.29 91 154 5 0 0 -798.18 ± 231.48
476202 ncm-dbt-03 586604 500 7 332 161 -269.36 ± 19.57 83 159 8 0 0 -715.51 ± 146.53
476201 ncm-dbt-01 583782 500 8 350 142 -290.65 ± 22.7 102 138 10 0 0 -676.04 ± 124.55
476200 ncm-dbt-02 588132 500 1 351 148 -301.32 ± 21.43 102 146 2 0 0 -958.31 ± 196.57
476199 ncm-dbt-05 581028 500 3 342 155 -286.77 ± 20.43 93 153 4 0 0 -837.28 ± 240.94
476154 ncm-dbt-04 567720 500 5 332 163 -271.78 ± 19.86 85 157 8 0 0 -715.51 ± 146.53
476153 ncm-dbt-02 591254 500 5 344 151 -286.77 ± 21.35 96 147 7 0 0 -739.05 ± 163.27
476152 ncm-dbt-03 585337 500 5 347 148 -290.65 ± 22.41 101 140 9 0 0 -694.7 ± 134.18
476151 ncm-dbt-05 582485 500 10 330 160 -263.41 ± 19.68 81 158 11 0 0 -659.13 ± 116.77
476150 ncm-dbt-01 586985 500 6 348 146 -290.65 ± 21.81 99 144 7 0 0 -739.05 ± 163.27
476149 ncm-dbt-03 585632 500 11 354 135 -291.96 ± 23.15 104 135 11 0 0 -659.13 ± 116.77
476148 ncm-dbt-04 569031 500 6 332 162 -270.57 ± 19.71 84 158 8 0 0 -715.51 ± 146.53
476147 ncm-dbt-01 580572 500 2 344 154 -290.65 ± 20.88 96 150 4 0 0 -837.28 ± 240.94
476146 ncm-dbt-02 591728 500 1 343 156 -290.65 ± 19.9 93 156 1 0 0 -1078.89 ± 154.95
476145 ncm-dbt-05 584159 500 2 354 144 -304.06 ± 21.74 104 144 2 0 0 -958.31 ± 196.57

Commit

Commit ID 64a6138d3736babad0f0d9758e3d0e5475f477dd
Author Alain SAVARD
Date 2018-12-16 08:57:43 UTC
Refactor king ring calculation Compute the "double protection by pawns" expression only once in initialize(), instead of once for each piece in the piece loop. Passed STC http://tests.stockfishchess.org/tests/view/5c1506380ebc5902ba11f3b4 LLR: 2.95 (-2.94,2.94) [-3.00,1.00] Total: 9494 W: 2191 L: 2045 D: 5258 Inspired by Nick Pelling's test http://tests.stockfishchess.org/tests/view/5c144d110ebc5902ba11e4af and an older test of mine http://tests.stockfishchess.org/tests/view/5c0402810ebc5902bcee1fc8 Non functional change.
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