Dev Builds » 20240329-0915

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 06:51:57 583200 4000 1477 604 1919 +77.07 ± 5.08 3 125 891 958 23 +158.3 ± 11.37
ncm-dbt-02 06:52:32 586940 4006 1472 599 1935 +76.95 ± 4.98 1 126 889 973 14 +159.51 ± 11.38
ncm-dbt-03 06:53:44 587577 4016 1489 629 1898 +75.57 ± 5.04 3 133 887 971 14 +156.73 ± 11.41
ncm-dbt-04 06:52:13 572736 3990 1438 571 1981 +76.72 ± 4.97 2 124 883 977 9 +160.24 ± 11.42
ncm-dbt-05 06:52:19 585087 3988 1458 583 1947 +77.49 ± 4.98 2 122 880 979 11 +161.62 ± 11.44
20000 7334 2986 9680 +76.76 ± 2.24 11 630 4430 4858 71 +159.27 ± 5.1

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
381108 ncm-dbt-02 587325 6 1 1 4 0.0 ± 11.34 0 0 3 0 0 -0.0 ± 10.15
381107 ncm-dbt-03 588089 16 1 5 10 -88.65 ± 93.47 1 2 5 0 0 -136.9 ± 147.45
381106 ncm-dbt-05 585337 488 173 75 240 +70.73 ± 14.3 0 18 111 114 1 +146.17 ± 32.35
381105 ncm-dbt-04 571270 490 179 67 244 +80.84 ± 14.59 0 18 98 128 1 +169.74 ± 34.58
381104 ncm-dbt-01 585464 500 171 76 253 +66.82 ± 14.34 0 20 117 111 2 +135.76 ± 31.48
381103 ncm-dbt-02 585970 500 188 68 244 +85.04 ± 13.6 0 12 107 130 1 +179.9 ± 32.89
381102 ncm-dbt-03 585801 500 186 85 229 +71.16 ± 14.64 0 22 106 121 1 +147.19 ± 33.22
381101 ncm-dbt-05 583572 500 169 81 250 +61.79 ± 14.41 0 23 117 109 1 +126.18 ± 31.53
381100 ncm-dbt-04 572840 500 176 57 267 +84.3 ± 13.42 0 11 110 128 1 +178.11 ± 32.33
381099 ncm-dbt-01 579909 500 178 74 248 +73.34 ± 14.44 1 14 119 112 4 +148.85 ± 31.04
381098 ncm-dbt-02 586985 500 171 66 263 +74.06 ± 13.89 0 16 114 119 1 +153.86 ± 31.85
381097 ncm-dbt-03 586943 500 188 79 233 +76.97 ± 13.68 0 13 117 118 2 +158.93 ± 31.27
381096 ncm-dbt-05 583908 500 194 69 237 +88.74 ± 12.55 0 5 116 128 1 +189.0 ± 30.9
381095 ncm-dbt-04 571351 500 180 59 261 +85.78 ± 13.92 0 14 102 133 1 +181.7 ± 33.83
381094 ncm-dbt-01 582778 500 190 66 244 +88.0 ± 13.97 0 15 96 139 0 +189.0 ± 34.95
381093 ncm-dbt-02 584453 500 182 65 253 +82.83 ± 14.29 0 16 103 129 2 +172.78 ± 33.69
381092 ncm-dbt-03 586943 500 178 78 244 +70.44 ± 14.75 1 20 108 120 1 +147.19 ± 32.89
381091 ncm-dbt-04 572880 500 180 80 240 +70.44 ± 13.62 1 13 121 115 0 +148.85 ± 30.69
381090 ncm-dbt-05 585295 500 190 71 239 +84.3 ± 14.33 0 16 101 131 2 +176.33 ± 34.04
381089 ncm-dbt-01 584958 500 197 71 232 +89.48 ± 14.88 0 15 100 129 6 +181.7 ± 34.21
381088 ncm-dbt-02 590524 500 190 79 231 +78.44 ± 13.73 1 12 112 125 0 +167.53 ± 32.08
381087 ncm-dbt-03 585421 500 190 75 235 +81.36 ± 14.68 0 19 99 130 2 +169.27 ± 34.4
381086 ncm-dbt-04 572195 500 184 92 224 +64.66 ± 15.46 0 28 105 114 3 +129.35 ± 33.34
381085 ncm-dbt-05 583656 500 189 69 242 +85.04 ± 14.35 0 16 100 132 2 +178.11 ± 34.22
381084 ncm-dbt-01 582068 500 182 80 238 +71.88 ± 14.25 0 16 120 110 4 +143.89 ± 30.92
381083 ncm-dbt-03 588899 500 186 67 247 +84.3 ± 13.73 0 13 106 130 1 +178.11 ± 33.1
381082 ncm-dbt-02 583531 500 192 74 234 +83.57 ± 14.31 0 14 108 124 4 +171.02 ± 32.78
381081 ncm-dbt-04 572437 500 181 79 240 +71.88 ± 13.81 0 16 117 116 1 +148.85 ± 31.38
381080 ncm-dbt-05 584706 500 186 77 237 +76.97 ± 13.83 0 15 112 122 1 +160.64 ± 32.15
381079 ncm-dbt-02 587452 500 197 84 219 +79.9 ± 14.5 0 16 109 121 4 +162.35 ± 32.67
381078 ncm-dbt-01 583656 500 191 74 235 +82.83 ± 14.44 1 13 107 126 3 +172.78 ± 32.96
381077 ncm-dbt-03 588771 500 195 85 220 +77.7 ± 13.4 0 12 117 120 1 +162.35 ± 31.23
381076 ncm-dbt-04 574865 500 174 72 254 +71.88 ± 12.91 0 11 126 113 0 +150.51 ± 29.77
381075 ncm-dbt-05 587622 500 178 78 244 +70.44 ± 14.2 2 13 119 115 1 +148.85 ± 31.04
381074 ncm-dbt-01 584622 500 180 75 245 +74.06 ± 14.32 0 18 111 119 2 +152.18 ± 32.38
381073 ncm-dbt-02 587877 500 161 84 255 +53.93 ± 13.91 0 23 127 100 0 +110.6 ± 30.08
381072 ncm-dbt-03 588174 500 182 84 234 +68.99 ± 14.14 0 19 115 115 1 +142.26 ± 31.77
381071 ncm-dbt-04 574054 500 184 65 251 +84.31 ± 14.33 1 13 104 130 2 +178.11 ± 33.48
381070 ncm-dbt-05 586604 500 179 63 258 +82.1 ± 14.27 0 16 104 128 2 +171.02 ± 33.51
381069 ncm-dbt-02 588345 500 190 78 232 +79.17 ± 14.34 0 17 106 125 2 +164.07 ± 33.19
381068 ncm-dbt-01 582152 500 188 88 224 +70.44 ± 14.05 1 14 121 112 2 +145.54 ± 30.73
381067 ncm-dbt-03 589155 500 183 71 246 +79.17 ± 14.62 1 13 114 117 5 +160.64 ± 31.79

Commit

Commit ID 0ef5d05102ce0632d7b076706d26eb4eba7fcb70
Author Michael Chaly
Date 2024-03-29 09:15:17 UTC
Adjust best value after a pruned quiet move Logic somewhat similar to how we adjust best value after pruned captures in qsearch, but in search this patch does it after pruned quiet moves and also to not full scale of futility value but to smth in between best value and futility value. Passed STC: https://tests.stockfishchess.org/tests/view/6601cf900ec64f0526c55c30 LLR: 2.93 (-2.94,2.94) <0.00,2.00> Total: 59936 W: 15722 L: 15369 D: 28845 Ptnml(0-2): 182, 7097, 15112, 7340, 237 Passed LTC: https://tests.stockfishchess.org/tests/view/66029b2d0ec64f0526c566f1 LLR: 2.96 (-2.94,2.94) <0.50,2.50> Total: 118362 W: 29953 L: 29460 D: 58949 Ptnml(0-2): 68, 13159, 32249, 13622, 83 closes https://github.com/official-stockfish/Stockfish/pull/5141 bench 1772608
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