Dev Builds » 20221120-0859

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 07:00:03 583902 4000 1152 945 1903 +18.0 ± 5.17 4 350 1084 559 3 +36.26 ± 10.3
ncm-dbt-02 06:57:02 587173 4000 1143 917 1940 +19.65 ± 5.18 6 338 1083 570 3 +39.96 ± 10.3
ncm-dbt-03 07:00:04 584343 4006 1131 898 1977 +20.23 ± 5.27 5 358 1041 597 2 +41.13 ± 10.54
ncm-dbt-04 06:57:50 570026 4000 1135 931 1934 +17.73 ± 5.08 8 327 1119 545 1 +36.79 ± 10.09
ncm-dbt-05 06:58:39 578840 3994 1113 941 1940 +14.97 ± 5.16 6 356 1099 532 4 +30.35 ± 10.21
20000 5674 4632 9694 +18.12 ± 2.31 29 1729 5426 2803 13 +36.9 ± 4.6

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
431514 ncm-dbt-03 583950 6 2 2 2 0.0 ± 11.34 0 0 3 0 0 -0.0 ± 10.15
431513 ncm-dbt-05 577315 494 129 119 246 +7.03 ± 13.91 0 46 145 56 0 +14.07 ± 27.89
431512 ncm-dbt-04 569789 500 144 108 248 +25.06 ± 13.75 1 32 147 70 0 +51.8 ± 27.56
431511 ncm-dbt-01 582152 500 144 119 237 +17.39 ± 14.62 0 46 133 71 0 +34.86 ± 29.51
431510 ncm-dbt-02 585211 500 142 105 253 +25.76 ± 14.6 0 40 134 75 1 +50.38 ± 29.35
431509 ncm-dbt-03 585379 500 133 116 251 +11.82 ± 15.06 2 47 133 68 0 +26.46 ± 29.52
431508 ncm-dbt-05 577684 500 138 120 242 +12.51 ± 14.87 0 51 130 69 0 +25.06 ± 29.91
431507 ncm-dbt-01 584706 500 148 123 229 +17.39 ± 14.36 1 41 140 68 0 +36.26 ± 28.59
431506 ncm-dbt-04 568355 500 133 119 248 +9.73 ± 14.89 2 47 136 65 0 +22.27 ± 29.14
431505 ncm-dbt-03 585211 500 148 119 233 +20.17 ± 14.58 0 44 133 73 0 +40.48 ± 29.51
431504 ncm-dbt-02 586646 500 141 118 241 +15.99 ± 14.51 0 45 138 66 1 +30.65 ± 28.87
431503 ncm-dbt-05 575924 500 121 115 264 +4.17 ± 13.62 0 46 153 50 1 +6.95 ± 26.88
431502 ncm-dbt-01 581735 500 138 116 246 +15.3 ± 14.32 1 42 141 66 0 +32.05 ± 28.47
431501 ncm-dbt-04 569789 500 148 123 229 +17.39 ± 14.36 1 41 140 68 0 +36.26 ± 28.59
431500 ncm-dbt-02 587664 500 144 122 234 +15.3 ± 15.21 2 45 133 69 1 +32.05 ± 29.52
431499 ncm-dbt-03 585253 500 146 113 241 +22.96 ± 15.28 0 48 121 81 0 +46.13 ± 31.04
431498 ncm-dbt-05 581777 500 132 112 256 +13.91 ± 15.1 2 46 132 70 0 +30.65 ± 29.65
431497 ncm-dbt-01 583237 500 154 109 237 +31.35 ± 14.47 1 33 137 78 1 +63.23 ± 28.9
431496 ncm-dbt-04 570108 500 138 107 255 +21.57 ± 15.06 2 41 131 76 0 +46.13 ± 29.76
431495 ncm-dbt-02 585590 500 137 114 249 +15.99 ± 14.51 1 43 138 68 0 +33.46 ± 28.86
431494 ncm-dbt-03 583531 500 150 103 247 +32.76 ± 14.43 0 36 131 83 0 +66.1 ± 29.72
431493 ncm-dbt-05 578630 500 147 134 219 +9.04 ± 15.08 2 48 136 63 1 +19.48 ± 29.14
431492 ncm-dbt-01 582235 500 143 121 236 +15.3 ± 14.71 0 48 132 70 0 +30.65 ± 29.65
431491 ncm-dbt-04 571712 500 153 114 233 +27.16 ± 15.2 1 42 124 83 0 +56.07 ± 30.66
431490 ncm-dbt-02 588047 500 137 109 254 +19.48 ± 14.65 1 42 135 72 0 +40.48 ± 29.24
431489 ncm-dbt-03 583028 500 129 117 254 +8.34 ± 15.03 1 52 131 66 0 +18.08 ± 29.78
431444 ncm-dbt-03 585464 500 143 118 239 +17.39 ± 15.37 1 49 124 76 0 +36.26 ± 30.66
431443 ncm-dbt-01 585928 500 143 115 242 +19.48 ± 14.65 1 40 141 66 2 +37.67 ± 28.45
431442 ncm-dbt-04 569789 500 146 122 232 +16.69 ± 13.77 0 40 146 64 0 +33.46 ± 27.78
431441 ncm-dbt-02 587452 500 145 120 235 +17.39 ± 15.24 1 48 126 75 0 +36.26 ± 30.41
431440 ncm-dbt-05 575761 500 151 121 228 +20.87 ± 14.24 0 40 141 68 1 +40.48 ± 28.44
431439 ncm-dbt-03 583237 500 144 100 256 +30.65 ± 15.8 1 44 116 88 1 +61.79 ± 31.68
431438 ncm-dbt-04 568434 500 134 115 251 +13.21 ± 14.02 0 43 146 60 1 +25.06 ± 27.81
431437 ncm-dbt-01 585253 500 146 117 237 +20.17 ± 15.33 0 50 121 79 0 +40.48 ± 31.03
431436 ncm-dbt-02 588217 500 148 113 239 +24.36 ± 13.7 0 35 145 70 0 +48.96 ± 27.86
431435 ncm-dbt-05 581693 500 146 112 242 +23.66 ± 14.96 2 38 135 74 1 +48.96 ± 29.23
431434 ncm-dbt-03 584034 500 136 110 254 +18.08 ± 13.75 0 38 149 62 1 +34.86 ± 27.36
431433 ncm-dbt-04 572235 500 139 123 238 +11.12 ± 13.84 1 41 149 59 0 +23.66 ± 27.4
431432 ncm-dbt-02 588558 500 149 116 235 +22.97 ± 14.66 1 40 134 75 0 +47.55 ± 29.36
431431 ncm-dbt-01 585970 500 136 125 239 +7.64 ± 14.33 0 50 139 61 0 +15.3 ± 28.76
431430 ncm-dbt-05 581943 500 149 108 243 +28.55 ± 14.79 0 41 127 82 0 +57.5 ± 30.27

Commit

Commit ID 341163116233682bf150d20cddedcb23e6d09431
Author Joost VandeVondele
Date 2022-11-20 08:59:35 UTC
Update WDL model for current SF This updates the WDL model based on the LTC statistics (2M games). Relatively small change, note that this also adjusts the NormalizeToPawnValue (now 361), to keep win prob at 50% for 100cp. closes https://github.com/official-stockfish/Stockfish/pull/4236 No functional change.
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