Dev Builds » 20240121-1133

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 06:54:37 577872 4000 1444 587 1969 +75.61 ± 5.04 1 140 871 977 11 +157.02 ± 11.52
ncm-dbt-02 06:54:00 585952 4000 1447 633 1920 +71.7 ± 4.9 1 125 944 919 11 +148.02 ± 11.0
ncm-dbt-03 06:55:12 584056 4000 1469 623 1908 +74.61 ± 5.03 2 138 882 968 10 +155.12 ± 11.44
ncm-dbt-04 06:55:52 568855 4010 1450 603 1957 +74.51 ± 4.92 1 128 907 961 8 +155.1 ± 11.26
ncm-dbt-05 06:55:11 582291 3990 1460 600 1930 +76.08 ± 4.9 1 116 911 956 11 +158.11 ± 11.21
20000 7270 3046 9684 +74.5 ± 2.22 6 647 4515 4781 51 +154.66 ± 5.05

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
419753 ncm-dbt-04 568434 10 4 2 4 +70.36 ± 79.51 0 0 3 2 0 +147.07 ± 211.27
419752 ncm-dbt-05 577151 490 178 72 240 +76.36 ± 14.3 0 17 106 121 1 +159.18 ± 33.17
419751 ncm-dbt-01 577069 500 193 79 228 +80.63 ± 13.79 0 14 109 126 1 +169.27 ± 32.62
419750 ncm-dbt-03 584874 500 167 70 263 +68.27 ± 12.93 0 12 129 109 0 +142.26 ± 29.38
419749 ncm-dbt-02 586223 500 172 84 244 +61.79 ± 14.68 0 25 113 111 1 +126.18 ± 32.14
419748 ncm-dbt-04 567997 500 183 68 249 +81.36 ± 13.04 0 9 118 122 1 +171.02 ± 30.89
419747 ncm-dbt-05 578424 500 187 87 226 +70.44 ± 14.62 1 19 110 119 1 +147.19 ± 32.57
419746 ncm-dbt-01 578383 500 181 77 242 +73.33 ± 14.72 0 21 106 121 2 +150.51 ± 33.22
419745 ncm-dbt-03 584327 500 180 83 237 +68.27 ± 14.94 0 24 107 117 2 +138.99 ± 33.06
419744 ncm-dbt-02 588302 500 178 79 243 +69.71 ± 13.88 0 18 115 117 0 +145.54 ± 31.75
419743 ncm-dbt-04 568077 500 193 66 241 +90.22 ± 14.46 0 16 93 139 2 +190.85 ± 35.52
419742 ncm-dbt-05 584201 500 181 76 243 +74.06 ± 13.14 0 12 121 117 0 +155.54 ± 30.59
419741 ncm-dbt-01 578753 500 169 68 263 +71.16 ± 14.08 0 17 117 114 2 +145.54 ± 31.41
419740 ncm-dbt-03 582736 500 183 81 236 +71.88 ± 14.1 0 15 122 109 4 +143.89 ± 30.58
419739 ncm-dbt-04 568236 500 177 86 237 +63.95 ± 14.37 1 19 119 110 1 +132.54 ± 31.18
419738 ncm-dbt-02 585717 500 184 73 243 +78.43 ± 13.58 0 11 120 116 3 +160.64 ± 30.7
419737 ncm-dbt-01 579166 500 180 80 240 +70.43 ± 13.76 0 16 119 114 1 +145.54 ± 31.07
419736 ncm-dbt-05 581902 500 168 73 259 +66.82 ± 14.06 0 20 115 115 0 +138.99 ± 31.79
419735 ncm-dbt-03 583866 500 189 76 235 +79.9 ± 14.78 0 21 96 132 1 +167.53 ± 34.91
419734 ncm-dbt-04 570348 500 184 66 250 +83.57 ± 13.87 0 14 105 130 1 +176.33 ± 33.3
419733 ncm-dbt-02 585674 500 174 76 250 +68.99 ± 14.14 0 20 112 118 0 +143.89 ± 32.25
419732 ncm-dbt-05 583363 500 192 80 228 +79.17 ± 12.82 0 8 123 118 1 +165.8 ± 30.03
419731 ncm-dbt-01 579868 500 178 71 251 +75.52 ± 14.08 1 15 110 124 0 +160.64 ± 32.5
419730 ncm-dbt-03 584327 500 191 82 227 +76.97 ± 13.98 0 16 110 123 1 +160.64 ± 32.5
419729 ncm-dbt-04 570789 500 186 85 229 +71.16 ± 14.78 0 22 107 119 2 +145.54 ± 33.06
419728 ncm-dbt-02 582861 500 171 80 249 +63.94 ± 14.23 0 20 121 107 2 +129.35 ± 30.88
419727 ncm-dbt-05 576782 500 187 71 242 +82.1 ± 13.98 0 13 111 123 3 +169.27 ± 32.25
419726 ncm-dbt-01 577807 500 171 68 261 +72.61 ± 14.83 0 23 102 124 1 +150.51 ± 33.87
419725 ncm-dbt-04 568593 500 182 85 233 +68.27 ± 13.68 0 17 119 114 0 +142.26 ± 31.1
419724 ncm-dbt-03 583279 500 183 84 233 +69.71 ± 15.13 1 24 100 125 0 +147.19 ± 34.17
419723 ncm-dbt-02 587537 500 190 84 226 +74.79 ± 13.0 0 11 122 117 0 +157.24 ± 30.38
419722 ncm-dbt-05 580530 500 182 67 251 +81.36 ± 14.11 0 14 110 123 3 +167.53 ± 32.45
419721 ncm-dbt-01 576333 500 186 66 248 +85.04 ± 14.35 0 16 100 132 2 +178.11 ± 34.22
419720 ncm-dbt-04 567997 500 160 71 269 +62.51 ± 13.59 0 17 128 104 1 +127.76 ± 29.76
419719 ncm-dbt-02 585295 500 190 73 237 +82.83 ± 13.54 1 6 122 117 4 +171.02 ± 30.1
419718 ncm-dbt-03 586350 500 185 67 248 +83.57 ± 13.41 0 12 108 130 0 +178.11 ± 32.72
419717 ncm-dbt-05 595979 500 185 74 241 +78.43 ± 13.73 0 13 115 120 2 +162.35 ± 31.59
419716 ncm-dbt-01 575598 500 186 78 236 +76.25 ± 14.39 0 18 108 122 2 +157.24 ± 32.87
419715 ncm-dbt-02 586012 500 188 84 228 +73.33 ± 13.57 0 14 119 116 1 +152.18 ± 31.0
419714 ncm-dbt-03 582694 500 191 80 229 +78.44 ± 14.31 1 14 110 123 2 +164.07 ± 32.48
419713 ncm-dbt-04 569230 500 181 74 245 +75.52 ± 13.49 0 14 115 121 0 +158.93 ± 31.63

Commit

Commit ID aa15a9179b8cc5598a6bd04b7c2cfeb81282a0c7
Author Viren6
Date 2024-01-21 11:33:08 UTC
Refactor ttPv reduction conditions closes https://github.com/official-stockfish/Stockfish/pull/4999 No functional change
Copyright 2011–2025 Next Chess Move LLC