Dev Builds » 20240501-1210

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 06:46:25 584470 4000 1491 575 1934 +81.0 ± 4.77 0 89 921 975 15 +168.62 ± 11.09
ncm-dbt-02 06:47:36 587477 4000 1469 618 1913 +75.06 ± 5.01 0 141 876 974 9 +155.97 ± 11.49
ncm-dbt-03 06:47:52 586019 3982 1487 603 1892 +78.44 ± 4.95 2 118 874 988 9 +164.28 ± 11.48
ncm-dbt-04 06:48:29 571540 4018 1497 651 1870 +74.26 ± 5.0 2 131 910 951 15 +153.29 ± 11.24
ncm-dbt-05 06:48:45 585126 4000 1455 605 1940 +74.97 ± 5.03 3 126 907 946 18 +154.49 ± 11.26
20000 7399 3052 9549 +76.74 ± 2.21 7 605 4488 4834 66 +159.27 ± 5.06

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
382963 ncm-dbt-04 569589 18 5 2 11 +58.44 ± 79.35 0 1 4 4 0 +120.41 ± 194.59
382962 ncm-dbt-03 584832 482 175 76 231 +72.39 ± 14.64 0 19 105 116 1 +149.95 ± 33.35
382961 ncm-dbt-01 586054 500 197 68 235 +91.71 ± 13.57 0 11 100 138 1 +196.45 ± 34.12
382960 ncm-dbt-05 586435 500 179 78 243 +71.16 ± 15.18 2 19 107 120 2 +148.85 ± 33.05
382959 ncm-dbt-02 587240 500 179 78 243 +71.16 ± 14.08 0 18 114 117 1 +147.19 ± 31.9
382958 ncm-dbt-04 571270 500 174 83 243 +63.95 ± 14.64 1 21 115 112 1 +132.54 ± 31.82
382957 ncm-dbt-03 587494 500 188 83 229 +74.06 ± 14.03 1 14 115 119 1 +155.54 ± 31.67
382956 ncm-dbt-01 585843 500 189 78 233 +78.43 ± 13.11 0 9 123 116 2 +162.35 ± 30.1
382955 ncm-dbt-05 587282 500 180 86 234 +66.1 ± 13.45 0 12 136 98 4 +130.94 ± 28.36
382954 ncm-dbt-02 588345 500 185 74 241 +78.44 ± 13.73 0 15 109 126 0 +165.8 ± 32.64
382953 ncm-dbt-04 571070 500 202 92 206 +77.7 ± 13.86 0 14 114 120 2 +160.64 ± 31.79
382952 ncm-dbt-03 585843 500 193 68 239 +88.74 ± 14.57 0 18 90 141 1 +189.0 ± 36.08
382951 ncm-dbt-01 583656 500 184 78 238 +74.79 ± 13.62 0 12 123 112 3 +152.18 ± 30.28
382950 ncm-dbt-02 588217 500 184 77 239 +75.52 ± 14.23 0 15 117 114 4 +152.18 ± 31.35
382949 ncm-dbt-05 581361 500 164 79 257 +59.64 ± 14.32 0 24 117 109 0 +123.02 ± 31.54
382948 ncm-dbt-04 572356 500 193 74 233 +84.3 ± 14.47 0 16 102 129 3 +174.55 ± 33.86
382947 ncm-dbt-03 584874 500 193 86 221 +75.52 ± 13.49 0 13 118 118 1 +157.24 ± 31.11
382946 ncm-dbt-01 584411 500 173 69 258 +73.34 ± 12.96 0 11 124 115 0 +153.86 ± 30.07
382945 ncm-dbt-05 582444 500 189 73 238 +82.1 ± 14.13 0 12 115 118 5 +165.8 ± 31.55
382944 ncm-dbt-02 589069 500 193 76 231 +82.83 ± 14.29 0 16 103 129 2 +172.78 ± 33.69
382943 ncm-dbt-04 570148 500 182 84 234 +68.99 ± 13.56 0 16 120 114 0 +143.89 ± 30.92
382942 ncm-dbt-03 585506 500 189 73 238 +82.1 ± 13.83 0 11 116 119 4 +167.53 ± 31.34
382941 ncm-dbt-05 587962 500 183 56 261 +90.22 ± 13.7 0 11 103 134 2 +190.85 ± 33.57
382940 ncm-dbt-02 589197 500 181 80 239 +71.16 ± 14.22 0 20 109 121 0 +148.85 ± 32.73
382939 ncm-dbt-01 584369 500 186 75 239 +78.43 ± 14.31 0 16 110 121 3 +160.64 ± 32.5
382938 ncm-dbt-04 570789 500 177 86 237 +63.94 ± 13.66 0 17 126 106 1 +130.94 ± 30.05
382937 ncm-dbt-03 588132 500 182 84 234 +68.99 ± 14.0 0 19 114 117 0 +143.89 ± 31.92
382936 ncm-dbt-05 586266 500 179 70 251 +76.97 ± 14.13 0 16 111 121 2 +158.93 ± 32.34
382935 ncm-dbt-01 583992 500 186 67 247 +84.3 ± 13.27 0 9 115 124 2 +176.33 ± 31.38
382934 ncm-dbt-02 584369 500 184 76 240 +76.25 ± 14.1 0 18 106 126 0 +160.64 ± 33.2
382933 ncm-dbt-04 572195 500 192 66 242 +89.48 ± 14.44 1 10 106 128 5 +185.33 ± 33.03
382932 ncm-dbt-03 586435 500 179 66 255 +79.9 ± 13.92 0 15 108 126 1 +167.53 ± 32.81
382931 ncm-dbt-01 583656 500 191 79 230 +79.17 ± 13.45 0 11 118 119 2 +164.07 ± 31.01
382930 ncm-dbt-05 582152 500 193 86 221 +75.52 ± 14.51 0 19 107 122 2 +155.54 ± 33.04
382929 ncm-dbt-02 587325 500 181 80 239 +71.16 ± 14.5 0 21 108 120 1 +147.19 ± 32.89
382928 ncm-dbt-04 573729 500 190 82 228 +76.25 ± 14.39 0 19 105 125 1 +158.93 ± 33.37
382927 ncm-dbt-03 585042 500 188 67 245 +85.78 ± 13.46 1 9 108 132 0 +185.33 ± 32.63
382926 ncm-dbt-01 583782 500 185 61 254 +88.0 ± 13.5 0 10 108 130 2 +185.33 ± 32.63
382925 ncm-dbt-02 586054 500 182 77 241 +74.06 ± 14.18 0 18 110 121 1 +153.86 ± 32.54
382924 ncm-dbt-05 587113 500 188 77 235 +78.44 ± 14.02 1 13 111 124 1 +165.8 ± 32.28
382923 ncm-dbt-04 572719 500 182 82 236 +70.43 ± 14.05 0 17 118 113 2 +143.89 ± 31.26

Commit

Commit ID eb20de36c05b4101af37b2bf3783c570a47bb1cc
Author Ciekce
Date 2024-05-01 12:10:57 UTC
Avoid unnecessary creation of accumulator cache Saves a (currently) 800 KB allocation and deallocation when running `eval`, not particularly significant and zero impact on play but not necessary either. closes https://github.com/official-stockfish/Stockfish/pull/5201 No functional change
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