Dev Builds » 20200301-0820

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 06:27:27 582280 4000 49 2593 1358 -261.07 ± 6.65 615 1315 69 1 0 -697.21 ± 41.73
ncm-dbt-02 06:27:48 587453 3990 51 2568 1371 -258.07 ± 6.6 599 1320 75 1 0 -682.41 ± 39.97
ncm-dbt-03 06:25:34 586238 4000 52 2576 1372 -258.17 ± 6.55 596 1334 69 0 1 -697.21 ± 41.73
ncm-dbt-04 06:27:08 568053 4020 50 2638 1332 -265.65 ± 6.7 640 1308 62 0 0 -722.03 ± 44.12
ncm-dbt-05 06:26:13 582228 3990 56 2585 1349 -259.81 ± 6.77 618 1295 80 2 0 -666.98 ± 38.64
20000 258 12960 6782 -260.55 ± 2.98 3068 6572 355 4 1 -692.3 ± 18.13

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
437952 ncm-dbt-04 570348 20 1 14 5 -269.2 ± 132.88 4 5 1 0 0 -511.15 ± 444.55
437951 ncm-dbt-05 582527 490 10 307 173 -244.16 ± 18.01 64 170 10 1 0 -640.1 ± 122.52
437950 ncm-dbt-02 588984 490 8 311 171 -250.97 ± 18.9 70 164 10 1 0 -640.1 ± 122.52
437949 ncm-dbt-01 583279 500 3 326 171 -266.97 ± 18.99 79 166 4 1 0 -766.23 ± 273.11
437948 ncm-dbt-03 585169 500 11 327 162 -258.74 ± 19.09 77 162 11 0 0 -659.13 ± 116.77
437947 ncm-dbt-04 567878 500 4 322 174 -261.07 ± 17.38 72 174 4 0 0 -837.28 ± 240.94
437946 ncm-dbt-05 580779 500 8 328 164 -263.41 ± 19.4 80 160 10 0 0 -676.04 ± 124.55
437945 ncm-dbt-02 586054 500 3 332 165 -274.22 ± 19.57 85 159 6 0 0 -766.17 ± 188.02
437944 ncm-dbt-01 582819 500 8 322 170 -256.44 ± 18.53 74 166 10 0 0 -676.04 ± 124.55
437943 ncm-dbt-03 583824 500 6 325 169 -262.24 ± 18.7 77 165 8 0 0 -715.51 ± 146.53
437942 ncm-dbt-04 567244 500 4 336 160 -277.92 ± 19.71 87 158 5 0 0 -798.18 ± 231.48
437941 ncm-dbt-05 582027 500 7 317 176 -251.89 ± 18.23 70 171 8 1 0 -676.08 ± 142.43
437940 ncm-dbt-02 588047 500 9 317 174 -249.64 ± 18.73 72 164 14 0 0 -616.18 ± 100.06
437939 ncm-dbt-03 587240 500 8 307 185 -239.74 ± 17.44 60 181 8 0 1 -676.08 ± 142.43
437938 ncm-dbt-01 581943 500 10 318 172 -249.64 ± 18.73 72 164 14 0 0 -616.18 ± 100.06
437937 ncm-dbt-04 569470 500 8 326 166 -261.07 ± 19.38 79 160 11 0 0 -659.13 ± 116.77
437936 ncm-dbt-05 582778 500 7 328 165 -264.59 ± 19.55 81 159 10 0 0 -676.04 ± 124.55
437935 ncm-dbt-02 586774 500 3 318 179 -257.59 ± 17.25 70 175 5 0 0 -798.18 ± 231.48
437934 ncm-dbt-03 586012 500 5 328 167 -266.96 ± 18.99 80 163 7 0 0 -739.05 ± 163.27
437933 ncm-dbt-01 582652 500 3 324 173 -264.59 ± 18.11 76 169 5 0 0 -798.18 ± 231.48
437932 ncm-dbt-04 567403 500 6 326 168 -263.41 ± 18.55 77 166 7 0 0 -739.05 ± 163.27
437931 ncm-dbt-05 582569 500 5 326 169 -264.59 ± 19.55 81 159 10 0 0 -676.04 ± 124.55
437930 ncm-dbt-02 588132 500 8 319 173 -253.02 ± 19.17 75 161 14 0 0 -616.18 ± 100.06
437929 ncm-dbt-03 586181 500 6 319 175 -255.29 ± 18.11 72 169 9 0 0 -694.7 ± 134.18
437928 ncm-dbt-01 581610 500 6 319 175 -255.29 ± 18.11 72 169 9 0 0 -694.7 ± 134.18
437927 ncm-dbt-04 566493 500 7 330 163 -266.96 ± 19.28 81 161 8 0 0 -715.51 ± 146.53
437926 ncm-dbt-05 584958 500 4 323 173 -262.24 ± 18.98 78 163 9 0 0 -694.7 ± 134.18
437925 ncm-dbt-02 587197 500 5 312 183 -248.52 ± 16.96 65 177 8 0 0 -715.51 ± 146.53
437924 ncm-dbt-03 588472 500 5 316 179 -253.02 ± 17.82 70 171 9 0 0 -694.7 ± 134.18
437923 ncm-dbt-01 583363 500 7 327 166 -263.41 ± 19.4 80 160 10 0 0 -676.04 ± 124.55
437922 ncm-dbt-04 568395 500 10 341 149 -276.68 ± 22.13 95 141 14 0 0 -616.18 ± 100.06
437921 ncm-dbt-05 579537 500 5 330 165 -269.36 ± 19.85 84 157 9 0 0 -694.7 ± 134.18
437920 ncm-dbt-03 588132 500 4 334 162 -275.44 ± 19.71 86 158 6 0 0 -766.17 ± 188.02
437919 ncm-dbt-02 586435 500 6 327 167 -264.59 ± 18.98 79 163 8 0 0 -715.51 ± 146.53
437918 ncm-dbt-01 583698 500 7 330 163 -266.96 ± 19.56 82 159 9 0 0 -694.7 ± 134.18
437917 ncm-dbt-04 566178 500 4 322 174 -261.07 ± 17.38 72 174 4 0 0 -837.28 ± 240.94
437916 ncm-dbt-05 582652 500 10 326 164 -258.74 ± 19.89 80 156 14 0 0 -616.18 ± 100.06
437915 ncm-dbt-02 588004 500 9 332 159 -266.96 ± 19.84 83 157 10 0 0 -676.04 ± 124.55
437914 ncm-dbt-04 569071 500 6 321 173 -257.59 ± 18.12 73 169 8 0 0 -715.51 ± 146.53
437913 ncm-dbt-03 584874 500 7 320 173 -255.29 ± 18.66 74 165 11 0 0 -659.13 ± 116.77
437912 ncm-dbt-01 578877 500 5 327 168 -265.77 ± 19.13 80 162 8 0 0 -715.51 ± 146.53

Commit

Commit ID f27339d35b6c8ccd1f83914b334c89111e62f320
Author Guenther Demetz
Date 2020-03-01 08:20:31 UTC
Simplify lowply-history logic Don't restrict usage to ttPv nodes exclusively STC: http://tests.stockfishchess.org/tests/view/5e5634f284a82b4acd41499a LLR: 2.94 (-2.94,2.94) {-1.50,0.50} Total: 152796 W: 29146 L: 29178 D: 94472 Ptnml(0-2): 2590, 17792, 35628, 17836, 2552 LTC: http://tests.stockfishchess.org/tests/view/5e575d4984a82b4acd4149e8 LLR: 2.95 (-2.94,2.94) {-1.50,0.50} Total: 20078 W: 2688 L: 2587 D: 14803 Ptnml(0-2): 139, 1914, 5853, 1973, 160 closes https://github.com/official-stockfish/Stockfish/pull/2565 bench: 4923286
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