Dev Builds » 20240709-1626

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 583912 3992 1477 600 1915 +77.59 ± 5.0 2 127 869 988 10 +162.08 ± 11.52
ncm-dbt-02 06:52:00 587715 4000 1477 551 1972 +81.92 ± 4.82 0 103 876 1013 8 +172.34 ± 11.44
ncm-dbt-03 06:51:17 587291 4000 1479 583 1938 +79.17 ± 4.98 2 120 871 994 13 +165.15 ± 11.5
ncm-dbt-04 06:52:30 571438 4008 1503 580 1925 +81.47 ± 5.02 5 114 851 1021 13 +171.28 ± 11.65
ncm-dbt-05 06:52:25 585151 4000 1480 570 1950 +80.45 ± 5.05 0 134 835 1018 13 +167.75 ± 11.78
20000 7416 2884 9700 +80.12 ± 2.22 9 598 4302 5034 57 +167.71 ± 5.18

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
374998 ncm-dbt-04 570909 8 2 2 4 -0.0 ± 125.78 0 1 2 1 0 -0.0 ± 296.58
374997 ncm-dbt-01 585590 492 176 69 247 +76.79 ± 14.57 0 20 99 127 0 +161.9 ± 34.39
374996 ncm-dbt-02 585928 500 203 71 226 +93.95 ± 13.77 0 9 104 133 4 +196.45 ± 33.3
374995 ncm-dbt-05 585674 500 180 78 242 +71.88 ± 15.21 0 24 103 120 3 +145.54 ± 33.69
374994 ncm-dbt-03 587325 500 189 65 246 +88.0 ± 13.97 0 12 105 130 3 +183.51 ± 33.24
374993 ncm-dbt-04 570709 500 194 64 242 +92.45 ± 13.9 0 11 101 135 3 +194.57 ± 33.94
374992 ncm-dbt-01 584243 500 183 66 251 +82.83 ± 13.85 0 13 109 126 2 +172.78 ± 32.58
374991 ncm-dbt-04 569869 500 182 70 248 +79.17 ± 14.48 0 19 101 129 1 +165.8 ± 34.05
374990 ncm-dbt-02 589497 500 174 74 252 +70.44 ± 13.62 0 16 118 116 0 +147.19 ± 31.23
374989 ncm-dbt-03 587962 500 175 81 244 +66.1 ± 13.6 0 14 131 102 3 +132.54 ± 29.19
374988 ncm-dbt-05 586858 500 186 53 261 +94.69 ± 14.09 0 12 96 139 3 +200.24 ± 34.91
374987 ncm-dbt-01 581902 500 175 80 245 +66.83 ± 14.06 1 17 118 114 0 +140.62 ± 31.28
374986 ncm-dbt-02 588260 500 181 68 251 +79.9 ± 13.77 0 15 107 128 0 +169.27 ± 32.98
374985 ncm-dbt-04 571712 500 176 83 241 +65.39 ± 14.28 2 16 119 113 0 +138.99 ± 31.13
374984 ncm-dbt-05 583070 500 195 78 227 +82.83 ± 14.0 0 14 107 127 2 +172.78 ± 32.96
374983 ncm-dbt-03 585801 500 186 64 250 +86.52 ± 13.93 0 14 101 134 1 +183.51 ± 34.01
374982 ncm-dbt-01 581652 500 191 79 230 +79.17 ± 13.45 0 12 115 122 1 +165.8 ± 31.55
374981 ncm-dbt-02 587792 500 178 66 256 +79.17 ± 14.05 0 15 110 123 2 +164.07 ± 32.48
374980 ncm-dbt-03 588430 500 193 73 234 +85.04 ± 13.9 0 14 103 132 1 +179.9 ± 33.65
374979 ncm-dbt-04 572396 500 192 70 238 +86.52 ± 13.0 0 8 113 128 1 +183.51 ± 31.65
374978 ncm-dbt-05 583782 500 178 74 248 +73.34 ± 13.86 0 17 112 121 0 +153.86 ± 32.2
374977 ncm-dbt-01 583531 500 188 74 238 +80.63 ± 14.23 0 15 109 123 3 +165.8 ± 32.64
374976 ncm-dbt-02 588686 500 182 62 256 +85.04 ± 13.28 0 11 108 131 0 +181.7 ± 32.68
374975 ncm-dbt-05 583447 500 189 78 233 +78.43 ± 15.29 0 21 102 122 5 +157.24 ± 33.88
374974 ncm-dbt-03 585928 500 195 73 232 +86.52 ± 14.95 1 17 93 137 2 +183.51 ± 35.5
374973 ncm-dbt-04 572517 500 193 78 229 +81.36 ± 14.25 0 17 102 130 1 +171.02 ± 33.87
374972 ncm-dbt-01 586435 500 183 74 243 +76.97 ± 14.56 0 19 105 124 2 +158.93 ± 33.37
374971 ncm-dbt-02 589027 500 188 56 256 +93.95 ± 12.96 0 7 105 137 1 +202.15 ± 32.99
374970 ncm-dbt-05 589027 500 184 73 243 +78.44 ± 14.02 0 17 105 128 0 +165.8 ± 33.35
374969 ncm-dbt-04 570869 500 187 73 240 +80.63 ± 15.62 2 20 92 134 2 +171.02 ± 35.61
374968 ncm-dbt-03 588899 500 175 74 251 +71.16 ± 13.64 0 14 123 111 2 +145.54 ± 30.38
374967 ncm-dbt-01 582360 500 186 79 235 +75.52 ± 13.64 0 15 113 122 0 +158.93 ± 31.99
374966 ncm-dbt-02 585506 500 191 77 232 +80.63 ± 13.18 0 11 114 125 0 +171.02 ± 31.66
374965 ncm-dbt-05 587579 500 181 70 249 +78.44 ± 13.42 0 13 113 124 0 +165.8 ± 31.92
374964 ncm-dbt-04 569989 500 188 67 245 +85.78 ± 13.92 1 9 111 126 3 +179.9 ± 32.11
374963 ncm-dbt-03 585084 500 182 83 235 +69.71 ± 14.86 1 21 107 120 1 +145.54 ± 33.06
374962 ncm-dbt-01 585590 500 195 79 226 +82.1 ± 14.7 1 16 101 130 2 +172.78 ± 34.05
374961 ncm-dbt-02 587028 500 180 77 243 +72.61 ± 14.27 0 19 110 120 1 +150.51 ± 32.56
374960 ncm-dbt-03 588899 500 184 70 246 +80.63 ± 13.64 0 14 108 128 0 +171.02 ± 32.78
374959 ncm-dbt-04 573973 500 189 73 238 +82.1 ± 13.83 0 13 110 125 2 +171.02 ± 32.42
374958 ncm-dbt-05 581777 500 187 66 247 +85.78 ± 14.07 0 16 97 137 0 +183.51 ± 34.76

Commit

Commit ID 2d3ef434b4009fcc9e198b508f00957c2d05eb1e
Author Shawn Xu
Date 2024-07-09 16:26:35 UTC
Tweak LMR at Root Passed STC: LLR: 2.93 (-2.94,2.94) <0.00,2.00> Total: 328192 W: 84751 L: 84014 D: 159427 Ptnml(0-2): 758, 38802, 84253, 39511, 772 https://tests.stockfishchess.org/tests/view/6689203959cb3228a4759a49 Passed LTC: LLR: 2.95 (-2.94,2.94) <0.50,2.50> Total: 56748 W: 14494 L: 14136 D: 28118 Ptnml(0-2): 19, 6089, 15803, 6441, 22 https://tests.stockfishchess.org/tests/view/66892d76e59d990b103f6626 closes https://github.com/official-stockfish/Stockfish/pull/5452 Bench 1253593
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