Dev Builds » 20240311-0908

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 06:51:58 586630 4000 1462 580 1958 +77.89 ± 4.86 1 108 911 968 12 +162.14 ± 11.2
ncm-dbt-02 06:54:05 588812 4008 1510 629 1869 +77.64 ± 4.99 1 123 891 972 17 +160.48 ± 11.36
ncm-dbt-03 06:53:35 588060 3994 1490 597 1907 +79.02 ± 4.95 3 115 874 996 9 +165.87 ± 11.48
ncm-dbt-04 06:52:08 566050 4000 1474 617 1909 +75.61 ± 5.01 2 128 897 957 16 +156.18 ± 11.33
ncm-dbt-05 06:54:17 583496 3998 1452 614 1932 +73.92 ± 4.96 4 119 924 939 13 +153.32 ± 11.13
20000 7388 3037 9575 +76.81 ± 2.22 11 593 4497 4832 67 +159.57 ± 5.05

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
373011 ncm-dbt-02 587325 8 4 1 3 +136.8 ± 89.09 0 0 1 3 0 +337.69 ± 541.44
373010 ncm-dbt-03 587962 494 186 69 239 +83.88 ± 14.87 1 17 94 134 1 +178.86 ± 35.31
373009 ncm-dbt-05 583950 498 184 79 235 +74.37 ± 13.33 0 12 121 115 1 +154.56 ± 30.58
373008 ncm-dbt-01 586097 500 176 79 245 +68.27 ± 12.93 0 11 132 106 1 +140.62 ± 28.87
373007 ncm-dbt-04 564880 500 186 74 240 +79.17 ± 14.19 0 15 111 121 3 +162.35 ± 32.31
373006 ncm-dbt-02 589796 500 190 87 223 +72.61 ± 14.69 1 18 110 119 2 +150.51 ± 32.56
373005 ncm-dbt-03 589283 500 187 79 234 +76.25 ± 13.66 1 11 118 119 1 +160.64 ± 31.07
373004 ncm-dbt-05 581943 500 182 72 246 +77.7 ± 14.15 0 16 110 122 2 +160.64 ± 32.5
373003 ncm-dbt-01 586774 500 190 78 232 +79.17 ± 14.19 0 17 105 127 1 +165.8 ± 33.35
373002 ncm-dbt-04 565863 500 185 75 240 +77.7 ± 14.15 0 17 107 125 1 +162.35 ± 33.02
373001 ncm-dbt-02 589796 500 189 68 243 +85.78 ± 14.36 0 16 99 133 2 +179.9 ± 34.4
373000 ncm-dbt-03 588558 500 186 75 239 +78.44 ± 13.73 1 10 118 119 2 +164.07 ± 31.01
372999 ncm-dbt-05 582277 500 179 78 243 +71.16 ± 13.79 1 13 121 114 1 +148.85 ± 30.69
372998 ncm-dbt-01 587325 500 180 68 252 +79.17 ± 13.9 0 13 115 119 3 +162.35 ± 31.59
372997 ncm-dbt-02 588089 500 190 83 227 +75.52 ± 13.94 0 13 121 112 4 +152.18 ± 30.64
372996 ncm-dbt-04 565823 500 191 75 234 +82.1 ± 14.42 1 14 105 128 2 +172.78 ± 33.32
372995 ncm-dbt-03 589668 500 186 75 239 +78.43 ± 13.58 0 12 117 119 2 +162.35 ± 31.23
372994 ncm-dbt-05 585084 500 186 79 235 +75.52 ± 13.18 0 12 119 119 0 +158.93 ± 30.91
372993 ncm-dbt-01 587070 500 189 71 240 +83.57 ± 12.93 0 7 120 121 2 +174.55 ± 30.42
372992 ncm-dbt-04 566138 500 190 86 224 +73.33 ± 14.3 0 18 112 118 2 +150.51 ± 32.22
372991 ncm-dbt-02 589967 500 191 73 236 +83.57 ± 12.77 0 6 122 120 2 +174.55 ± 30.02
372990 ncm-dbt-03 588132 500 185 74 241 +78.43 ± 13.88 0 15 110 124 1 +164.07 ± 32.48
372989 ncm-dbt-05 582402 500 176 74 250 +71.89 ± 13.96 3 9 121 117 0 +155.54 ± 30.59
372988 ncm-dbt-01 586943 500 176 67 257 +76.98 ± 14.27 1 15 109 124 1 +162.35 ± 32.67
372987 ncm-dbt-02 590138 500 190 84 226 +74.79 ± 14.34 0 18 110 120 2 +153.86 ± 32.54
372986 ncm-dbt-04 565115 500 185 71 244 +80.63 ± 12.86 0 8 121 120 1 +169.27 ± 30.34
372985 ncm-dbt-03 586139 500 189 74 237 +81.36 ± 13.96 0 15 106 128 1 +171.02 ± 33.15
372984 ncm-dbt-05 583070 500 188 86 226 +71.88 ± 14.53 0 17 119 109 5 +142.26 ± 31.1
372983 ncm-dbt-01 589027 500 177 80 243 +68.27 ± 14.12 0 18 119 111 2 +138.99 ± 31.13
372982 ncm-dbt-02 590353 500 183 61 256 +86.52 ± 13.93 0 14 101 134 1 +183.51 ± 34.01
372981 ncm-dbt-04 566493 500 173 89 238 +58.93 ± 14.56 0 25 117 107 1 +119.89 ± 31.55
372980 ncm-dbt-03 586308 500 178 82 240 +67.55 ± 14.65 0 24 106 120 0 +140.62 ± 33.22
372979 ncm-dbt-01 582652 500 191 72 237 +84.3 ± 14.03 0 14 105 129 2 +176.33 ± 33.3
372978 ncm-dbt-02 587707 500 188 84 228 +73.33 ± 14.72 0 22 103 124 1 +152.18 ± 33.71
372977 ncm-dbt-04 566533 500 168 72 260 +67.54 ± 13.95 0 18 119 112 1 +138.99 ± 31.13
372976 ncm-dbt-05 583992 500 186 79 235 +75.52 ± 14.51 0 18 110 119 3 +153.86 ± 32.54
372975 ncm-dbt-03 588430 500 193 69 238 +88.0 ± 13.5 0 11 105 133 1 +187.16 ± 33.21
372974 ncm-dbt-01 587155 500 183 65 252 +83.57 ± 13.56 0 13 106 131 0 +178.11 ± 33.1
372973 ncm-dbt-04 567561 500 196 75 229 +85.78 ± 14.79 1 13 105 126 5 +176.33 ± 33.3
372972 ncm-dbt-05 585253 500 171 67 262 +73.33 ± 14.72 0 22 103 124 1 +152.18 ± 33.71
372971 ncm-dbt-02 586139 500 185 88 227 +68.27 ± 13.97 0 16 124 107 3 +137.37 ± 30.31

Commit

Commit ID f072634e245774f957b715118ecb586264cf04f1
Author Gahtan Nahdi
Date 2024-03-11 09:08:40 UTC
Simplify opponentWorsening condition Passed non-reg STC: https://tests.stockfishchess.org/tests/view/65ea18650ec64f0526c4033a LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 226624 W: 58601 L: 58589 D: 109434 Ptnml(0-2): 1030, 27193, 56819, 27275, 995 Passed non-reg LTC: https://tests.stockfishchess.org/tests/view/65eb7a220ec64f0526c4161a LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 243882 W: 61462 L: 61469 D: 120951 Ptnml(0-2): 197, 27559, 66419, 27586, 180 closes https://github.com/official-stockfish/Stockfish/pull/5102 Bench: 1601012
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