Dev Builds » 20240526-1824

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 06:51:53 583984 4012 1497 570 1945 +81.75 ± 5.07 0 137 819 1036 14 +170.65 ± 11.9
ncm-dbt-02 06:51:44 586448 4000 1492 602 1906 +78.62 ± 4.89 1 112 894 982 11 +164.07 ± 11.33
ncm-dbt-03 06:50:28 586733 4000 1479 599 1922 +77.71 ± 4.93 1 117 897 971 14 +161.28 ± 11.31
ncm-dbt-04 06:51:26 570401 3988 1477 606 1905 +77.12 ± 5.06 1 134 868 975 16 +159.48 ± 11.54
ncm-dbt-05 06:50:37 584098 4000 1524 644 1832 +77.71 ± 5.14 2 133 875 963 27 +158.72 ± 11.49
20000 7469 3021 9510 +78.58 ± 2.25 5 633 4353 4927 82 +162.82 ± 5.15

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
386085 ncm-dbt-01 584958 12 4 1 7 +88.66 ± 75.75 0 0 3 3 0 +190.73 ± 238.47
386084 ncm-dbt-04 571833 488 191 79 218 +81.18 ± 13.56 0 11 111 121 1 +170.55 ± 32.11
386083 ncm-dbt-02 586858 500 195 71 234 +88.0 ± 13.97 0 13 102 133 2 +185.33 ± 33.81
386082 ncm-dbt-01 584076 500 187 75 238 +79.17 ± 14.9 0 21 98 129 2 +164.07 ± 34.56
386081 ncm-dbt-05 585801 500 183 84 233 +69.71 ± 14.31 0 19 115 114 2 +142.26 ± 31.77
386080 ncm-dbt-03 586308 500 188 81 231 +75.52 ± 14.37 0 15 118 112 5 +150.51 ± 31.19
386079 ncm-dbt-04 570428 500 178 77 245 +71.16 ± 13.64 0 16 117 117 0 +148.85 ± 31.38
386078 ncm-dbt-02 583992 500 181 71 248 +77.71 ± 14.0 1 13 112 123 1 +164.07 ± 32.12
386077 ncm-dbt-05 582569 500 196 86 218 +77.71 ± 15.27 1 16 112 114 7 +153.86 ± 32.2
386076 ncm-dbt-03 584916 500 194 76 230 +83.57 ± 14.88 0 21 91 137 1 +176.33 ± 35.82
386075 ncm-dbt-01 584664 500 179 75 246 +73.33 ± 15.13 0 22 106 118 4 +147.19 ± 33.22
386074 ncm-dbt-04 572396 500 177 75 248 +71.88 ± 14.8 0 22 106 120 2 +147.19 ± 33.22
386073 ncm-dbt-02 587877 500 183 85 232 +68.99 ± 14.28 0 19 116 113 2 +140.62 ± 31.61
386072 ncm-dbt-03 586181 500 189 79 232 +77.7 ± 12.94 0 9 123 117 1 +162.35 ± 30.1
386071 ncm-dbt-01 581860 500 201 64 235 +97.69 ± 13.17 0 7 101 140 2 +209.91 ± 33.74
386070 ncm-dbt-05 584958 500 191 78 231 +79.9 ± 14.36 0 16 108 123 3 +164.07 ± 32.83
386069 ncm-dbt-04 572719 500 181 75 244 +74.79 ± 14.9 1 18 108 120 3 +153.86 ± 32.88
386068 ncm-dbt-02 584159 500 185 68 247 +82.83 ± 14.0 0 15 104 130 1 +174.55 ± 33.5
386067 ncm-dbt-01 584622 500 169 74 257 +66.82 ± 14.48 0 21 115 112 2 +135.76 ± 31.8
386066 ncm-dbt-05 586477 500 196 82 222 +80.63 ± 13.64 0 13 111 125 1 +169.27 ± 32.25
386065 ncm-dbt-03 586054 500 173 64 263 +76.98 ± 14.13 0 18 105 127 0 +162.35 ± 33.37
386064 ncm-dbt-04 569869 500 179 80 241 +69.71 ± 15.0 0 24 105 119 2 +142.26 ± 33.37
386063 ncm-dbt-02 587409 500 182 66 252 +82.1 ± 13.37 0 11 113 125 1 +172.78 ± 31.83
386062 ncm-dbt-01 583908 500 196 77 227 +84.3 ± 14.33 0 17 98 134 1 +178.11 ± 34.58
386061 ncm-dbt-03 587028 500 184 77 239 +75.52 ± 13.03 0 9 127 112 2 +155.54 ± 29.48
386060 ncm-dbt-05 582277 500 177 76 247 +71.16 ± 14.78 1 18 113 115 3 +145.54 ± 32.08
386059 ncm-dbt-04 571873 500 189 72 239 +82.83 ± 13.85 0 13 109 126 2 +172.78 ± 32.58
386058 ncm-dbt-03 587028 500 178 74 248 +73.33 ± 13.11 0 10 128 110 2 +150.51 ± 29.4
386057 ncm-dbt-01 583950 500 193 75 232 +83.57 ± 14.6 0 19 95 135 1 +176.33 ± 35.12
386056 ncm-dbt-02 586520 500 182 88 230 +66.1 ± 13.45 0 16 124 110 0 +137.37 ± 30.31
386055 ncm-dbt-05 586350 500 186 86 228 +70.43 ± 14.62 0 20 113 114 3 +142.26 ± 32.1
386054 ncm-dbt-03 588260 500 194 71 235 +87.26 ± 13.95 0 13 103 132 2 +183.51 ± 33.63
386053 ncm-dbt-04 566454 500 203 71 226 +93.95 ± 14.38 0 12 99 134 5 +194.57 ± 34.34
386052 ncm-dbt-02 587409 500 203 70 227 +94.69 ± 14.54 0 15 90 142 3 +200.24 ± 36.12
386051 ncm-dbt-01 585169 500 178 65 257 +79.9 ± 14.5 0 19 100 130 1 +167.53 ± 34.22
386050 ncm-dbt-05 578259 500 199 79 222 +85.04 ± 14.05 0 12 110 124 4 +174.55 ± 32.38
386049 ncm-dbt-04 567640 500 179 77 244 +71.88 ± 14.1 0 18 113 118 1 +148.85 ± 32.06
386048 ncm-dbt-03 588089 500 179 77 244 +71.89 ± 15.08 1 22 102 124 1 +150.51 ± 33.87
386047 ncm-dbt-01 582652 500 190 64 246 +89.48 ± 13.53 0 11 103 135 1 +190.85 ± 33.57
386046 ncm-dbt-05 586097 500 196 73 231 +87.26 ± 15.11 0 19 93 134 4 +179.9 ± 35.49
386045 ncm-dbt-02 587367 500 181 83 236 +68.99 ± 12.8 0 10 133 106 1 +142.26 ± 28.66

Commit

Commit ID 4d876275cf127b9e7cf91cef984deafa2abb47d9
Author Stéphane Nicolet
Date 2024-05-26 18:24:05 UTC
Simplify material weights in evaluation This patch uses the same material weights for the nnue amplification term and the optimism term in evaluate(). STC: LLR: 2.99 (-2.94,2.94) <-1.75,0.25> Total: 83360 W: 21489 L: 21313 D: 40558 Ptnml(0-2): 303, 9934, 21056, 10058, 329 https://tests.stockfishchess.org/tests/view/664eee69928b1fb18de500d9 LTC: LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 192648 W: 48675 L: 48630 D: 95343 Ptnml(0-2): 82, 21484, 53161, 21501, 96 https://tests.stockfishchess.org/tests/view/664fa17aa86388d5e27d7d6e closes https://github.com/official-stockfish/Stockfish/pull/5287 Bench: 1495602
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