Dev Builds » 20200314-1530

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 06:27:00 583608 4000 37 2577 1386 -260.49 ± 6.46 599 1342 59 0 0 -729.9 ± 45.28
ncm-dbt-02 06:26:12 585982 4000 64 2614 1322 -261.95 ± 6.95 640 1274 82 4 0 -655.17 ± 38.07
ncm-dbt-03 06:26:21 585088 4000 61 2611 1328 -261.95 ± 7.01 644 1267 84 5 0 -647.44 ± 37.55
ncm-dbt-04 06:27:32 568055 4014 54 2668 1292 -270.1 ± 6.94 671 1274 60 2 0 -716.17 ± 44.83
ncm-dbt-05 06:27:45 583983 3986 51 2613 1322 -265.04 ± 6.87 644 1274 75 0 0 -686.89 ± 39.96
20000 267 13083 6650 -263.89 ± 3.06 3198 6431 360 11 0 -684.24 ± 17.99

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
470110 ncm-dbt-04 565194 14 0 9 5 -264.81 ± 106.6 2 5 0 0 0 -1199.83 ± 201.74
470109 ncm-dbt-05 584201 486 7 295 184 -236.82 ± 16.28 55 178 10 0 0 -671.01 ± 124.51
470108 ncm-dbt-01 584579 500 6 316 178 -251.89 ± 17.95 70 170 10 0 0 -676.04 ± 124.55
470107 ncm-dbt-02 581777 500 8 312 180 -245.2 ± 17.63 65 175 9 1 0 -659.17 ± 131.36
470106 ncm-dbt-03 585548 500 10 326 164 -258.74 ± 19.89 80 156 14 0 0 -616.18 ± 100.06
470105 ncm-dbt-04 568514 500 10 326 164 -258.74 ± 19.09 77 162 11 0 0 -659.13 ± 116.77
470104 ncm-dbt-05 583196 500 9 335 156 -270.57 ± 21.1 89 148 13 0 0 -629.41 ± 104.8
470103 ncm-dbt-02 586223 500 11 338 151 -271.78 ± 21.78 92 143 15 0 0 -603.84 ± 95.91
470102 ncm-dbt-03 585632 500 4 325 171 -264.59 ± 18.41 77 167 6 0 0 -766.17 ± 188.02
470101 ncm-dbt-01 583740 500 5 332 163 -271.78 ± 20.15 86 155 9 0 0 -694.7 ± 134.18
470100 ncm-dbt-04 569709 500 10 319 171 -250.76 ± 18.88 72 166 11 1 0 -629.43 ± 115.29
470099 ncm-dbt-05 582068 500 9 325 166 -258.74 ± 19.63 79 158 13 0 0 -629.41 ± 104.8
470098 ncm-dbt-03 586435 500 12 316 172 -245.19 ± 18.92 71 162 17 0 0 -581.38 ± 88.96
470097 ncm-dbt-02 586689 500 4 317 179 -255.29 ± 17.83 71 171 8 0 0 -715.51 ± 146.53
470096 ncm-dbt-01 584916 500 3 320 177 -259.9 ± 18.41 75 167 8 0 0 -715.51 ± 146.53
470095 ncm-dbt-04 570148 500 5 344 151 -286.77 ± 21.05 95 149 6 0 0 -766.17 ± 188.02
470094 ncm-dbt-05 584832 500 2 349 149 -297.27 ± 21.63 101 145 4 0 0 -837.28 ± 240.94
470093 ncm-dbt-03 586308 500 11 328 161 -259.9 ± 20.81 83 152 14 1 0 -592.29 ± 99.42
470092 ncm-dbt-02 588047 500 7 332 161 -269.36 ± 20.41 85 156 8 1 0 -676.08 ± 142.43
470091 ncm-dbt-01 580447 500 10 327 163 -259.9 ± 19.51 79 159 12 0 0 -643.67 ± 110.29
470090 ncm-dbt-04 569390 500 5 328 167 -266.97 ± 18.99 79 166 4 1 0 -766.23 ± 273.11
470089 ncm-dbt-05 582861 500 5 336 159 -276.68 ± 20.16 88 155 7 0 0 -739.05 ± 163.27
470088 ncm-dbt-03 586604 500 3 328 169 -269.36 ± 18.98 81 163 6 0 0 -766.17 ± 188.02
470087 ncm-dbt-02 587962 500 7 344 149 -284.21 ± 23.05 100 138 11 1 0 -629.43 ± 115.29
470086 ncm-dbt-04 567878 500 7 330 163 -266.96 ± 19.28 81 161 8 0 0 -715.51 ± 146.53
470085 ncm-dbt-01 584034 500 3 323 174 -263.41 ± 17.36 73 174 3 0 0 -887.58 ± 222.18
470084 ncm-dbt-03 583782 500 7 331 162 -268.16 ± 21.07 86 154 8 2 0 -643.7 ± 134.88
470083 ncm-dbt-05 584579 500 6 320 174 -256.44 ± 17.69 71 172 7 0 0 -739.05 ± 163.27
470082 ncm-dbt-02 584579 500 7 326 167 -262.24 ± 18.41 76 167 7 0 0 -739.05 ± 163.27
470081 ncm-dbt-04 566928 500 3 347 150 -293.28 ± 20.86 97 150 3 0 0 -887.58 ± 222.18
470080 ncm-dbt-01 585084 500 1 320 179 -262.24 ± 18.41 76 167 7 0 0 -739.05 ± 163.27
470079 ncm-dbt-05 585717 500 4 326 170 -265.77 ± 18.84 79 164 7 0 0 -739.05 ± 163.27
470078 ncm-dbt-02 584916 500 11 322 167 -253.02 ± 18.64 73 165 12 0 0 -643.67 ± 110.29
470077 ncm-dbt-03 584369 500 12 318 170 -247.41 ± 19.7 73 162 13 2 0 -581.4 ± 101.74
470076 ncm-dbt-04 565233 500 6 344 150 -285.48 ± 21.2 95 148 7 0 0 -739.05 ± 163.27
470075 ncm-dbt-01 581444 500 5 314 181 -250.76 ± 16.68 65 179 6 0 0 -766.17 ± 188.02
470074 ncm-dbt-02 587664 500 9 323 168 -256.44 ± 19.86 78 159 12 1 0 -616.2 ± 109.19
470073 ncm-dbt-03 582027 500 2 339 159 -284.21 ± 20.75 93 151 6 0 0 -766.17 ± 188.02
470072 ncm-dbt-05 584411 500 9 327 164 -261.07 ± 20.19 82 154 14 0 0 -616.18 ± 100.06
470071 ncm-dbt-04 569509 500 8 321 171 -255.29 ± 18.39 73 167 10 0 0 -676.04 ± 124.55
470070 ncm-dbt-01 584622 500 4 325 171 -264.59 ± 17.81 75 171 4 0 0 -837.28 ± 240.94

Commit

Commit ID ec2002c594cce22dfbbdc7b6b8df2828a00d18cf
Author pb00067
Date 2020-03-14 15:30:17 UTC
Simplify futility pruning parent node only continuation histories seem needed for this purpose. STC: http://tests.stockfishchess.org/tests/view/5e6b88dfe42a5c3b3ca2e4ab LLR: 2.94 (-2.94,2.94) {-1.50,0.50} Total: 113356 W: 21725 L: 21696 D: 69935 Ptnml(0-2): 1999, 13255, 26163, 13240, 2021 LTC: http://tests.stockfishchess.org/tests/view/5e6babbfe42a5c3b3ca2e4c2 LLR: 2.94 (-2.94,2.94) {-1.50,0.50} Total: 22164 W: 2917 L: 2821 D: 16426 Ptnml(0-2): 173, 2040, 6548, 2160, 161 closes https://github.com/official-stockfish/Stockfish/pull/2583 bench: 4839496
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