Dev Builds » 20240211-1846

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 06:52:37 577318 4000 1482 628 1890 +75.34 ± 5.02 1 132 895 956 16 +155.33 ± 11.34
ncm-dbt-02 06:55:54 586336 3992 1468 603 1921 +76.5 ± 5.04 1 138 863 983 11 +159.08 ± 11.58
ncm-dbt-03 06:52:27 582174 4000 1439 577 1984 +76.06 ± 4.99 0 134 882 972 12 +157.66 ± 11.44
ncm-dbt-04 06:55:35 568799 4008 1493 598 1917 +78.91 ± 4.92 0 120 880 993 11 +164.55 ± 11.44
ncm-dbt-05 06:55:06 580002 4000 1457 590 1953 +76.52 ± 4.97 1 127 887 974 11 +159.15 ± 11.4
20000 7339 2996 9665 +76.67 ± 2.23 3 651 4407 4878 61 +159.15 ± 5.11

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
419233 ncm-dbt-04 567244 8 3 2 3 +43.58 ± 76.58 0 0 3 1 0 +88.62 ± 172.94
419232 ncm-dbt-02 585169 492 194 67 231 +91.76 ± 13.39 0 9 102 134 1 +196.54 ± 33.64
419231 ncm-dbt-05 579537 500 196 79 225 +82.83 ± 14.29 0 17 100 132 1 +174.55 ± 34.22
419230 ncm-dbt-01 576496 500 183 89 228 +66.1 ± 14.45 0 21 116 111 2 +134.15 ± 31.65
419229 ncm-dbt-03 579951 500 193 74 233 +84.3 ± 14.03 0 14 105 129 2 +176.33 ± 33.3
419228 ncm-dbt-04 569829 500 193 69 238 +88.0 ± 13.35 0 11 104 135 0 +189.0 ± 33.39
419227 ncm-dbt-05 579992 500 188 76 236 +79.17 ± 14.19 0 17 105 127 1 +165.8 ± 33.35
419226 ncm-dbt-02 583279 500 190 79 231 +78.44 ± 14.17 1 14 109 125 1 +165.8 ± 32.64
419225 ncm-dbt-01 579951 500 186 75 239 +78.43 ± 13.42 0 11 119 118 2 +162.35 ± 30.85
419224 ncm-dbt-03 585843 500 187 63 250 +88.0 ± 13.66 0 11 106 131 2 +185.33 ± 33.03
419223 ncm-dbt-04 566928 500 191 81 228 +77.7 ± 13.56 0 12 118 118 2 +160.64 ± 31.07
419222 ncm-dbt-05 579868 500 185 75 240 +77.71 ± 13.85 1 13 111 125 0 +165.8 ± 32.28
419221 ncm-dbt-02 586435 500 179 86 235 +65.38 ± 14.0 0 20 117 113 0 +135.76 ± 31.48
419220 ncm-dbt-03 582987 500 169 81 250 +61.79 ± 14.68 0 25 113 111 1 +126.18 ± 32.14
419219 ncm-dbt-01 578054 500 189 77 234 +79.17 ± 14.48 0 19 101 129 1 +165.8 ± 34.05
419218 ncm-dbt-04 569270 500 189 66 245 +87.26 ± 14.4 0 17 94 138 1 +185.33 ± 35.32
419217 ncm-dbt-05 578424 500 172 68 260 +73.33 ± 14.3 0 19 109 121 1 +152.18 ± 32.72
419216 ncm-dbt-02 590181 500 189 72 239 +82.83 ± 14.44 0 17 101 130 2 +172.78 ± 34.05
419215 ncm-dbt-03 583154 500 184 65 251 +84.3 ± 14.18 0 16 100 133 1 +178.11 ± 34.22
419214 ncm-dbt-01 576006 500 190 78 232 +79.17 ± 13.75 0 11 120 115 4 +160.64 ± 30.7
419213 ncm-dbt-04 568395 500 194 72 234 +86.52 ± 13.0 0 9 110 131 0 +185.33 ± 32.23
419212 ncm-dbt-05 578013 500 185 69 246 +82.1 ± 14.42 0 16 105 126 3 +169.27 ± 33.34
419211 ncm-dbt-03 581319 500 186 73 241 +79.9 ± 14.36 0 18 102 129 1 +167.53 ± 33.88
419210 ncm-dbt-02 585674 500 196 67 237 +91.71 ± 14.19 0 15 92 142 1 +196.45 ± 35.72
419209 ncm-dbt-01 579455 500 181 66 253 +81.36 ± 12.55 0 6 124 119 1 +171.02 ± 29.7
419208 ncm-dbt-04 569989 500 196 82 222 +80.63 ± 14.09 0 15 108 125 2 +167.53 ± 32.81
419207 ncm-dbt-05 582652 500 191 75 234 +82.1 ± 13.68 0 11 115 121 3 +169.27 ± 31.5
419206 ncm-dbt-01 578424 500 193 83 224 +77.71 ± 14.72 1 15 111 119 4 +158.93 ± 32.34
419205 ncm-dbt-02 588345 500 178 76 246 +71.88 ± 13.67 0 15 119 115 1 +148.85 ± 31.04
419204 ncm-dbt-03 583656 500 168 70 262 +68.99 ± 14.14 0 19 115 115 1 +142.26 ± 31.77
419203 ncm-dbt-04 568077 500 174 84 242 +63.23 ± 14.75 0 24 114 110 2 +127.76 ± 31.99
419202 ncm-dbt-01 572477 500 179 71 250 +76.25 ± 14.1 0 17 109 123 1 +158.93 ± 32.69
419201 ncm-dbt-03 579661 500 177 76 247 +71.16 ± 13.93 0 16 119 113 2 +145.54 ± 31.07
419200 ncm-dbt-02 584495 500 179 72 249 +75.52 ± 14.65 0 18 111 117 4 +152.18 ± 32.38
419199 ncm-dbt-05 578630 500 167 75 258 +64.66 ± 14.26 0 21 117 111 1 +132.54 ± 31.5
419198 ncm-dbt-04 569031 500 186 72 242 +80.63 ± 14.66 0 17 106 123 4 +164.07 ± 33.19
419197 ncm-dbt-03 580821 500 175 75 250 +70.43 ± 13.76 0 15 122 111 2 +143.89 ± 30.58
419196 ncm-dbt-01 577684 500 181 89 230 +64.66 ± 15.72 0 32 95 122 1 +132.54 ± 34.83
419195 ncm-dbt-02 587113 500 163 84 253 +55.36 ± 15.06 0 30 112 107 1 +112.14 ± 32.29
419194 ncm-dbt-05 582903 500 173 73 254 +70.43 ± 13.32 0 13 125 111 1 +145.54 ± 30.03
419193 ncm-dbt-04 570428 500 167 70 263 +68.27 ± 13.39 0 15 123 112 0 +142.26 ± 30.43

Commit

Commit ID 3d5b16df7c2125ba52a25b3d4b69fc1261c4eb80
Author GoldenRare
Date 2024-02-11 18:46:55 UTC
Remove unnecessary assignments related to adjusted static evaluation In both search and qsearch, there are instances where we do unadjustedStaticEval = ss->staticEval = eval/bestValue = tte->eval(), but immediately after re-assign ss-static and eval/bestValue to some new value, which makes the initial assignment redundant. closes https://github.com/official-stockfish/Stockfish/pull/5045 No functional change
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