Dev Builds » 20231231-1858

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 06:53:50 584582 3986 1384 662 1940 +63.63 ± 5.08 1 164 956 856 16 +128.85 ± 10.96
ncm-dbt-02 06:53:13 586837 4000 1406 688 1906 +63.05 ± 5.17 4 178 925 882 11 +129.15 ± 11.18
ncm-dbt-03 06:53:46 586796 4000 1386 636 1978 +65.92 ± 5.11 2 170 913 906 9 +135.56 ± 11.25
ncm-dbt-04 06:54:38 571290 4018 1407 681 1930 +63.47 ± 5.02 2 164 958 876 9 +130.1 ± 10.96
ncm-dbt-05 06:55:20 584055 3996 1417 670 1909 +65.72 ± 5.0 1 152 956 877 12 +134.3 ± 10.95
20000 7000 3337 9663 +64.36 ± 2.27 10 828 4708 4397 57 +131.58 ± 4.95

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
402552 ncm-dbt-04 571752 18 6 1 11 +99.06 ± 62.04 0 0 4 5 0 +217.54 ± 198.33
402551 ncm-dbt-01 582527 486 168 88 230 +57.72 ± 14.39 0 23 117 103 0 +118.81 ± 31.49
402550 ncm-dbt-05 583112 496 160 76 260 +59.41 ± 14.53 0 24 117 106 1 +120.94 ± 31.53
402549 ncm-dbt-02 589283 500 173 92 235 +56.78 ± 14.6 1 23 121 104 1 +116.78 ± 30.96
402548 ncm-dbt-03 586901 500 173 81 246 +64.66 ± 14.94 0 26 107 116 1 +132.54 ± 33.05
402547 ncm-dbt-04 570188 500 165 72 263 +65.38 ± 14.0 0 20 117 113 0 +135.76 ± 31.48
402546 ncm-dbt-01 584579 500 164 75 261 +62.51 ± 14.03 1 18 122 109 0 +130.94 ± 30.71
402545 ncm-dbt-02 583531 500 171 88 241 +58.21 ± 14.53 0 25 118 106 1 +118.33 ± 31.4
402544 ncm-dbt-05 585084 500 180 88 232 +64.66 ± 13.83 0 18 123 108 1 +132.54 ± 30.53
402543 ncm-dbt-03 584327 500 181 75 244 +74.79 ± 14.2 1 15 112 121 1 +157.24 ± 32.18
402542 ncm-dbt-04 571913 500 176 94 230 +57.5 ± 14.08 0 23 122 105 0 +118.33 ± 30.8
402541 ncm-dbt-01 587113 500 180 81 239 +69.71 ± 14.45 0 20 113 115 2 +142.26 ± 32.1
402540 ncm-dbt-02 586816 500 169 77 254 +64.66 ± 14.26 0 21 117 111 1 +132.54 ± 31.5
402539 ncm-dbt-05 586181 500 174 81 245 +65.38 ± 14.42 0 21 117 110 2 +132.54 ± 31.5
402538 ncm-dbt-03 586520 500 168 85 247 +58.21 ± 13.97 0 21 126 102 1 +118.33 ± 30.18
402537 ncm-dbt-04 569509 500 175 80 245 +66.82 ± 13.33 0 13 131 104 2 +135.76 ± 29.14
402536 ncm-dbt-01 585506 500 172 91 237 +56.78 ± 13.48 0 19 131 100 0 +116.78 ± 29.4
402535 ncm-dbt-02 587494 500 187 77 236 +77.7 ± 13.86 0 14 114 120 2 +160.64 ± 31.79
402534 ncm-dbt-03 588047 500 163 80 257 +58.21 ± 14.53 0 24 121 103 2 +116.78 ± 30.96
402533 ncm-dbt-05 585042 500 178 78 244 +70.44 ± 13.76 0 17 116 117 0 +147.19 ± 31.57
402532 ncm-dbt-04 570949 500 177 81 242 +67.54 ± 14.37 0 21 113 115 1 +138.99 ± 32.11
402531 ncm-dbt-01 584201 500 177 81 242 +67.54 ± 14.51 0 18 123 104 5 +132.54 ± 30.53
402530 ncm-dbt-02 587452 500 172 85 243 +61.08 ± 15.7 1 29 104 114 2 +124.6 ± 33.47
402529 ncm-dbt-05 585970 500 197 96 207 +71.16 ± 13.64 0 14 123 111 2 +145.54 ± 30.38
402528 ncm-dbt-03 587579 500 183 84 233 +69.71 ± 14.17 1 17 114 118 0 +147.19 ± 31.9
402527 ncm-dbt-04 569949 500 181 88 231 +65.38 ± 15.23 2 21 111 114 2 +135.76 ± 32.43
402526 ncm-dbt-01 585843 500 175 85 240 +63.23 ± 15.01 0 23 119 103 5 +123.02 ± 31.23
402525 ncm-dbt-02 588558 500 173 89 238 +58.93 ± 14.69 1 21 124 101 3 +118.33 ± 30.49
402524 ncm-dbt-05 584579 500 173 87 240 +60.36 ± 14.35 0 21 125 101 3 +119.89 ± 30.32
402523 ncm-dbt-03 587197 500 163 78 259 +59.64 ± 13.76 0 20 125 105 0 +123.02 ± 30.3
402522 ncm-dbt-04 572437 500 173 88 239 +59.64 ± 13.76 0 19 128 102 1 +121.46 ± 29.83
402521 ncm-dbt-01 583531 500 171 74 255 +68.27 ± 14.4 0 21 112 116 1 +140.62 ± 32.26
402520 ncm-dbt-02 586901 500 187 92 221 +66.82 ± 14.06 0 20 115 115 0 +138.99 ± 31.79
402519 ncm-dbt-05 582235 500 183 95 222 +61.79 ± 13.85 0 19 125 105 1 +126.18 ± 30.27
402518 ncm-dbt-03 586308 500 183 73 244 +77.7 ± 15.13 0 22 99 126 3 +158.93 ± 34.38
402517 ncm-dbt-04 571551 500 179 91 230 +61.79 ± 15.21 0 28 108 112 2 +124.6 ± 32.89
402516 ncm-dbt-01 583363 500 177 87 236 +63.23 ± 14.61 0 22 119 106 3 +126.18 ± 31.22
402515 ncm-dbt-02 584664 500 174 88 238 +60.36 ± 15.02 1 25 112 111 1 +124.6 ± 32.29
402514 ncm-dbt-03 587494 500 172 80 248 +64.66 ± 14.8 0 25 109 115 1 +132.54 ± 32.75
402513 ncm-dbt-04 573365 500 175 86 239 +62.51 ± 13.88 0 19 124 106 1 +127.76 ± 30.41
402512 ncm-dbt-05 580240 500 172 69 259 +72.61 ± 14.69 1 18 110 119 2 +150.51 ± 32.56

Commit

Commit ID 4ff297a6dfae199571a4f24631a8e970924c8d63
Author FauziAkram
Date 2023-12-31 18:58:10 UTC
Mark square_bb() as constexpr closes https://github.com/official-stockfish/Stockfish/pull/4949 No functional change
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