Dev Builds » 20200530-1832

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 06:29:29 584640 4000 75 2560 1365 -252.6 ± 6.58 582 1322 95 1 0 -641.85 ± 35.38
ncm-dbt-02 06:29:45 586220 4002 65 2578 1359 -256.41 ± 6.63 598 1319 82 2 0 -663.34 ± 38.15
ncm-dbt-03 06:31:24 584895 3998 70 2596 1332 -258.64 ± 6.87 623 1283 90 3 0 -643.61 ± 36.35
ncm-dbt-04 06:30:12 568870 4000 74 2579 1347 -255.44 ± 6.66 598 1310 91 1 0 -649.34 ± 36.17
ncm-dbt-05 06:29:35 580187 4000 64 2560 1376 -254.16 ± 6.62 589 1320 89 2 0 -649.34 ± 36.58
20000 348 12873 6779 -255.44 ± 2.98 2990 6554 447 9 0 -649.34 ± 16.15

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
465621 ncm-dbt-02 585464 2 0 2 0 -1041.08 ± 395.59 1 0 0 0 0 -1129.65 ± 376.02
465620 ncm-dbt-03 581153 498 12 328 158 -260.21 ± 20.65 83 150 16 0 0 -591.55 ± 92.23
465619 ncm-dbt-04 569390 500 10 322 168 -254.15 ± 18.78 74 164 12 0 0 -643.67 ± 110.29
465618 ncm-dbt-05 580572 500 4 321 175 -259.9 ± 18.12 74 169 7 0 0 -739.05 ± 163.27
465617 ncm-dbt-01 583656 500 15 319 166 -245.19 ± 18.92 71 162 17 0 0 -581.38 ± 88.96
465616 ncm-dbt-02 586393 500 7 315 178 -249.64 ± 17.67 68 172 10 0 0 -676.04 ± 124.55
465615 ncm-dbt-03 585126 500 10 321 169 -253.02 ± 19.17 74 164 11 1 0 -629.43 ± 115.29
465614 ncm-dbt-04 570268 500 6 323 171 -259.9 ± 18.12 74 169 7 0 0 -739.05 ± 163.27
465613 ncm-dbt-01 584916 500 9 312 179 -244.09 ± 17.22 64 175 11 0 0 -659.13 ± 116.77
465612 ncm-dbt-02 585464 500 5 338 157 -279.16 ± 20.45 90 153 7 0 0 -739.05 ± 163.27
465611 ncm-dbt-05 579331 500 11 315 174 -245.19 ± 17.63 66 172 12 0 0 -643.67 ± 110.29
465610 ncm-dbt-04 569909 500 9 327 164 -261.07 ± 19.38 79 160 11 0 0 -659.13 ± 116.77
465609 ncm-dbt-03 582945 500 4 316 180 -254.16 ± 18.24 71 171 7 1 0 -694.74 ± 156.93
465608 ncm-dbt-02 586689 500 7 321 172 -256.44 ± 17.97 72 170 8 0 0 -715.51 ± 146.53
465607 ncm-dbt-05 575802 500 7 312 181 -246.3 ± 17.78 67 171 12 0 0 -643.67 ± 110.29
465606 ncm-dbt-01 582611 500 7 315 178 -249.64 ± 17.94 69 170 11 0 0 -659.13 ± 116.77
465605 ncm-dbt-03 587325 500 14 326 160 -254.15 ± 19.57 77 158 15 0 0 -603.84 ± 95.91
465604 ncm-dbt-04 567878 500 10 333 157 -266.97 ± 21.7 89 146 14 1 0 -592.29 ± 99.42
465603 ncm-dbt-02 584790 500 11 327 162 -258.75 ± 20.15 80 157 12 1 0 -616.2 ± 109.19
465602 ncm-dbt-01 583740 500 8 326 166 -261.07 ± 19.11 78 162 10 0 0 -676.04 ± 124.55
465601 ncm-dbt-05 583572 500 4 318 178 -256.44 ± 17.1 69 176 5 0 0 -798.18 ± 231.48
465600 ncm-dbt-02 585928 500 4 307 189 -244.09 ± 15.51 58 187 5 0 0 -798.18 ± 231.48
465599 ncm-dbt-03 586054 500 5 322 173 -259.9 ± 19.24 78 161 11 0 0 -659.13 ± 116.77
465598 ncm-dbt-01 584537 500 12 327 161 -257.59 ± 19.75 79 157 14 0 0 -616.18 ± 100.06
465597 ncm-dbt-04 566730 500 9 319 172 -251.89 ± 17.95 70 170 10 0 0 -676.04 ± 124.55
465596 ncm-dbt-05 580240 500 11 338 151 -271.78 ± 21.52 91 145 14 0 0 -616.18 ± 100.06
465595 ncm-dbt-03 586181 500 11 319 170 -249.64 ± 19.5 74 161 14 1 0 -592.29 ± 99.42
465594 ncm-dbt-02 588004 500 9 326 165 -259.9 ± 20.04 81 155 14 0 0 -616.18 ± 100.06
465593 ncm-dbt-04 567324 500 13 327 160 -256.44 ± 19.6 78 158 14 0 0 -616.18 ± 100.06
465592 ncm-dbt-05 577766 500 8 323 169 -257.59 ± 19.75 78 160 11 1 0 -629.43 ± 115.29
465591 ncm-dbt-01 585548 500 9 317 174 -249.64 ± 18.47 70 169 10 1 0 -643.7 ± 122.54
465590 ncm-dbt-02 586985 500 7 325 168 -261.07 ± 19.11 78 162 10 0 0 -676.04 ± 124.55
465589 ncm-dbt-03 585253 500 11 327 162 -258.74 ± 19.36 78 160 12 0 0 -643.67 ± 110.29
465588 ncm-dbt-05 581985 500 11 317 172 -247.41 ± 19.7 74 159 16 1 0 -571.11 ± 91.87
465587 ncm-dbt-04 571070 500 9 314 177 -246.3 ± 17.51 66 173 11 0 0 -659.13 ± 116.77
465586 ncm-dbt-01 587155 500 5 328 167 -266.96 ± 19.28 81 161 8 0 0 -715.51 ± 146.53
465585 ncm-dbt-02 586266 500 15 317 168 -243.0 ± 19.12 70 163 16 1 0 -571.11 ± 91.87
465584 ncm-dbt-04 568395 500 8 314 178 -247.41 ± 17.92 68 170 12 0 0 -643.67 ± 110.29
465583 ncm-dbt-03 585126 500 3 337 160 -280.42 ± 19.69 88 158 4 0 0 -837.28 ± 240.94
465582 ncm-dbt-01 584958 500 10 316 174 -247.41 ± 18.44 70 166 14 0 0 -616.18 ± 100.06
465581 ncm-dbt-05 582235 500 8 316 176 -249.64 ± 18.21 70 168 12 0 0 -643.67 ± 110.29

Commit

Commit ID 616eb60008308f686930c0c94116aab170398dc1
Author Joost VandeVondele
Date 2020-05-30 18:32:52 UTC
Less pruning in draw PV lines. no futility pruning for certain captures if the PvNode has a draw eval. passed STC: LLR: 2.94 (-2.94,2.94) {-0.50,1.50} Total: 59392 W: 11576 L: 11302 D: 36514 Ptnml(0-2): 977, 6816, 13920, 6922, 1061 https://tests.stockfishchess.org/tests/view/5ed0b1bb042fa6d77c355295 passed LTC: LLR: 2.94 (-2.94,2.94) {0.25,1.75} Total: 64040 W: 8273 L: 7923 D: 47844 Ptnml(0-2): 424, 5842, 19220, 6028, 506 https://tests.stockfishchess.org/tests/view/5ed145e0042fa6d77c35531c closes https://github.com/official-stockfish/Stockfish/pull/2705 Bench: 4704615
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