Dev Builds » 20211201-1659

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 06:50:31 577510 4000 835 1183 1982 -30.3 ± 5.31 10 654 1010 326 0 -59.29 ± 10.71
ncm-dbt-02 06:51:43 586573 4000 813 1190 1997 -32.84 ± 5.22 8 658 1040 291 3 -65.38 ± 10.53
ncm-dbt-03 06:50:59 584094 4000 818 1219 1963 -34.95 ± 5.24 8 675 1032 280 5 -70.07 ± 10.57
ncm-dbt-04 06:51:00 569212 4000 796 1215 1989 -36.53 ± 5.26 14 675 1031 276 4 -72.07 ± 10.58
ncm-dbt-05 06:51:34 582055 4000 846 1203 1951 -31.09 ± 5.31 13 647 1027 310 3 -60.9 ± 10.61
20000 4108 6010 9882 -33.14 ± 2.36 53 3309 5140 1483 15 -65.53 ± 4.74

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
417546 ncm-dbt-04 566809 500 94 161 245 -46.84 ± 14.62 3 89 130 28 0 -90.97 ± 29.76
417545 ncm-dbt-05 584159 500 106 144 250 -26.46 ± 15.28 1 80 126 42 1 -53.22 ± 30.4
417544 ncm-dbt-02 587494 500 93 150 257 -39.78 ± 13.67 0 84 139 27 0 -80.63 ± 28.52
417543 ncm-dbt-03 585126 500 88 152 260 -44.72 ± 14.64 2 90 128 30 0 -88.0 ± 30.06
417542 ncm-dbt-01 574297 500 112 156 232 -30.65 ± 15.43 1 86 119 44 0 -60.36 ± 31.3
417541 ncm-dbt-04 568912 500 106 156 238 -34.86 ± 15.08 2 84 126 38 0 -67.55 ± 30.39
417540 ncm-dbt-05 584117 500 98 167 235 -48.25 ± 14.16 0 96 127 27 0 -98.44 ± 30.15
417539 ncm-dbt-02 586816 500 102 153 245 -35.56 ± 14.61 0 87 127 36 0 -71.89 ± 30.24
417538 ncm-dbt-01 577684 500 102 150 248 -33.46 ± 15.37 4 79 128 39 0 -61.79 ± 30.13
417537 ncm-dbt-03 585084 500 105 152 243 -32.75 ± 14.3 1 79 136 34 0 -64.66 ± 29.04
417536 ncm-dbt-04 568315 500 94 147 259 -36.97 ± 14.83 3 81 132 34 0 -70.44 ± 29.57
417535 ncm-dbt-05 581028 500 98 148 254 -34.86 ± 15.45 2 87 120 41 0 -67.55 ± 31.17
417534 ncm-dbt-02 584748 500 102 145 253 -29.95 ± 15.02 1 80 132 35 2 -61.79 ± 29.59
417533 ncm-dbt-03 582527 500 105 147 248 -29.25 ± 14.59 1 78 133 38 0 -57.5 ± 29.47
417532 ncm-dbt-01 575109 500 90 137 273 -32.76 ± 14.17 0 81 135 34 0 -66.1 ± 29.17
417531 ncm-dbt-05 577315 500 123 155 222 -22.27 ± 15.72 1 80 120 48 1 -44.72 ± 31.16
417530 ncm-dbt-04 570388 500 97 148 255 -35.56 ± 14.74 1 85 128 36 0 -70.44 ± 30.11
417529 ncm-dbt-02 586646 500 109 157 234 -33.46 ± 15.61 5 78 127 40 0 -60.36 ± 30.26
417528 ncm-dbt-03 584159 500 117 149 234 -22.26 ± 14.48 1 71 137 41 0 -43.3 ± 28.97
417527 ncm-dbt-01 579372 500 110 155 235 -31.35 ± 14.86 0 85 125 40 0 -63.23 ± 30.52
417526 ncm-dbt-05 581693 500 105 150 245 -31.35 ± 14.98 1 83 126 40 0 -61.79 ± 30.39
417525 ncm-dbt-04 569909 500 98 143 259 -31.36 ± 14.47 0 80 137 31 2 -66.1 ± 28.89
417524 ncm-dbt-02 587070 500 93 138 269 -31.35 ± 14.2 0 80 135 35 0 -63.23 ± 29.18
417523 ncm-dbt-01 579001 500 109 148 243 -27.15 ± 14.83 1 78 130 41 0 -53.22 ± 29.88
417522 ncm-dbt-03 583992 500 102 153 245 -35.56 ± 14.74 0 88 125 37 0 -71.89 ± 30.51
417521 ncm-dbt-04 569190 500 100 157 243 -39.78 ± 15.0 1 90 125 33 1 -80.63 ± 30.5
417520 ncm-dbt-05 581902 500 108 147 245 -27.16 ± 14.44 2 71 142 34 1 -53.22 ± 28.26
417519 ncm-dbt-01 577725 500 102 138 260 -25.06 ± 14.42 0 76 134 40 0 -50.38 ± 29.35
417518 ncm-dbt-02 586308 500 109 145 246 -25.06 ± 15.06 0 81 124 45 0 -50.38 ± 30.66
417517 ncm-dbt-03 582152 500 108 152 240 -30.65 ± 15.19 0 85 126 37 2 -64.66 ± 30.39
417516 ncm-dbt-04 570148 500 101 149 250 -33.46 ± 15.37 2 84 125 38 1 -66.1 ± 30.52
417515 ncm-dbt-05 581943 500 101 142 257 -28.55 ± 14.54 1 77 134 38 0 -56.07 ± 29.34
417514 ncm-dbt-01 577192 500 107 155 238 -33.46 ± 15.49 0 92 114 44 0 -67.55 ± 31.94
417513 ncm-dbt-03 583489 500 101 172 227 -49.67 ± 14.64 2 95 125 28 0 -98.44 ± 30.45
417512 ncm-dbt-02 586139 500 102 147 251 -31.35 ± 14.47 1 78 137 33 1 -63.23 ± 28.9
417511 ncm-dbt-04 570029 500 106 154 240 -33.46 ± 14.99 2 82 128 38 0 -64.66 ± 30.12
417510 ncm-dbt-03 586223 500 92 142 266 -34.86 ± 15.7 1 89 122 35 3 -73.34 ± 30.91
417509 ncm-dbt-01 579702 500 103 144 253 -28.55 ± 15.66 4 77 125 44 0 -51.8 ± 30.53
417508 ncm-dbt-05 584285 500 107 150 243 -29.95 ± 15.39 5 73 132 40 0 -53.22 ± 29.61
417507 ncm-dbt-02 587367 500 103 155 242 -36.26 ± 15.29 1 90 119 40 0 -71.89 ± 31.31

Commit

Commit ID 64f21ecdae0402bfde4e9f4e61097c99bcae343e
Author hengyu
Date 2021-12-01 16:59:20 UTC
Small clean-up remove unneeded calculation. closes https://github.com/official-stockfish/Stockfish/pull/3807 No functional change.
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