Dev Builds » 20240326-1717

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 06:52:19 583922 4002 1490 611 1901 +77.57 ± 5.1 2 142 845 999 13 +161.4 ± 11.71
ncm-dbt-02 06:53:02 587000 4016 1484 603 1929 +77.48 ± 4.93 1 123 887 988 9 +161.82 ± 11.39
ncm-dbt-03 06:51:10 587136 3986 1455 591 1940 +76.52 ± 5.04 3 127 881 967 15 +158.72 ± 11.44
ncm-dbt-04 06:51:58 573255 4000 1472 606 1922 +76.43 ± 5.04 3 131 875 979 12 +159.15 ± 11.49
ncm-dbt-05 06:52:41 584246 3996 1466 585 1945 +77.88 ± 4.87 4 107 895 988 4 +164.48 ± 11.32
20000 7367 2996 9637 +77.18 ± 2.23 13 630 4383 4921 53 +161.11 ± 5.13

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
380978 ncm-dbt-01 583656 2 1 0 1 +189.7 ± 55.98 0 0 0 1 0 +1129.65 ± 376.02
380977 ncm-dbt-02 587834 16 6 2 8 +88.68 ± 65.24 0 0 4 4 0 +190.76 ± 189.19
380976 ncm-dbt-03 587749 486 168 71 247 +70.29 ± 13.72 1 11 122 108 1 +146.85 ± 30.35
380975 ncm-dbt-05 583196 496 183 88 225 +67.38 ± 13.12 1 10 130 107 0 +141.89 ± 29.14
380974 ncm-dbt-04 572840 500 187 78 235 +76.97 ± 14.13 0 15 114 118 3 +157.24 ± 31.83
380973 ncm-dbt-01 582402 500 178 72 250 +74.79 ± 13.76 0 16 112 122 0 +157.24 ± 32.18
380972 ncm-dbt-02 588089 500 181 68 251 +79.9 ± 13.47 1 10 114 125 0 +171.02 ± 31.66
380971 ncm-dbt-03 586054 500 187 75 238 +79.17 ± 14.34 1 14 109 124 2 +165.8 ± 32.64
380970 ncm-dbt-05 585632 500 182 72 246 +77.71 ± 13.56 0 14 112 124 0 +164.07 ± 32.12
380969 ncm-dbt-04 571712 500 191 73 236 +83.57 ± 13.25 0 11 110 129 0 +178.11 ± 32.33
380968 ncm-dbt-02 585759 500 177 87 236 +63.23 ± 15.27 0 27 109 111 3 +126.18 ± 32.74
380967 ncm-dbt-01 585632 500 189 76 235 +79.9 ± 14.64 0 18 104 125 3 +164.07 ± 33.53
380966 ncm-dbt-03 586985 500 171 74 255 +68.27 ± 15.08 0 24 108 115 3 +137.37 ± 32.9
380965 ncm-dbt-05 581361 500 174 68 258 +74.79 ± 14.34 1 17 107 125 0 +158.93 ± 33.03
380964 ncm-dbt-04 574175 500 193 72 235 +85.78 ± 14.94 2 13 100 132 3 +181.7 ± 34.21
380963 ncm-dbt-01 585843 500 184 79 237 +74.06 ± 14.46 1 18 106 125 0 +157.24 ± 33.21
380962 ncm-dbt-02 589069 500 195 80 225 +81.36 ± 13.51 0 12 112 125 1 +171.02 ± 32.04
380961 ncm-dbt-03 584832 500 189 81 230 +76.25 ± 14.67 0 20 104 124 2 +157.24 ± 33.54
380960 ncm-dbt-04 573082 500 189 77 234 +79.17 ± 14.48 0 18 104 126 2 +164.07 ± 33.53
380959 ncm-dbt-05 582152 500 188 65 247 +87.26 ± 14.4 1 14 97 137 1 +187.16 ± 34.76
380958 ncm-dbt-01 580862 500 192 71 237 +85.78 ± 14.65 1 14 101 131 3 +179.9 ± 34.03
380957 ncm-dbt-02 584790 500 184 72 244 +79.17 ± 14.19 0 17 105 127 1 +165.8 ± 33.35
380956 ncm-dbt-03 587834 500 173 85 242 +61.79 ± 14.14 0 21 121 107 1 +126.18 ± 30.9
380955 ncm-dbt-05 582569 500 180 69 251 +78.43 ± 14.02 0 15 111 122 2 +162.35 ± 32.31
380954 ncm-dbt-04 574825 500 168 72 260 +67.55 ± 14.09 1 17 117 115 0 +142.26 ± 31.44
380953 ncm-dbt-01 585801 500 178 66 256 +79.17 ± 14.48 0 19 101 129 1 +165.8 ± 34.05
380952 ncm-dbt-02 584076 500 174 72 254 +71.88 ± 13.22 0 13 122 115 0 +150.51 ± 30.49
380951 ncm-dbt-03 588728 500 185 71 244 +80.63 ± 14.38 0 16 107 124 3 +165.8 ± 33.0
380950 ncm-dbt-05 585464 500 185 67 248 +83.57 ± 13.41 0 11 111 127 1 +176.33 ± 32.16
380949 ncm-dbt-01 585717 500 188 80 232 +76.25 ± 15.09 0 23 98 127 2 +157.24 ± 34.53
380948 ncm-dbt-04 572638 500 167 76 257 +63.94 ± 13.66 0 17 126 106 1 +130.94 ± 30.05
380947 ncm-dbt-02 585970 500 187 73 240 +80.63 ± 14.38 0 17 104 127 2 +167.53 ± 33.52
380946 ncm-dbt-03 588260 500 193 69 238 +88.0 ± 13.66 0 11 106 131 2 +185.33 ± 33.03
380945 ncm-dbt-05 585253 500 184 78 238 +74.79 ± 13.31 1 10 121 118 0 +158.93 ± 30.54
380944 ncm-dbt-01 582402 500 192 84 224 +76.25 ± 14.1 0 17 109 123 1 +158.93 ± 32.69
380943 ncm-dbt-02 589668 500 189 76 235 +79.9 ± 13.77 0 15 107 128 0 +169.27 ± 32.98
380942 ncm-dbt-04 573932 500 182 79 239 +72.61 ± 14.83 0 23 102 124 1 +150.51 ± 33.87
380941 ncm-dbt-03 586646 500 189 65 246 +88.0 ± 13.81 1 10 104 134 1 +189.0 ± 33.39
380940 ncm-dbt-05 588345 500 190 78 232 +79.17 ± 13.9 0 16 106 128 0 +167.53 ± 33.17
380939 ncm-dbt-04 572840 500 195 79 226 +82.1 ± 14.42 0 17 102 129 2 +171.02 ± 33.87
380938 ncm-dbt-01 582987 500 188 83 229 +74.06 ± 14.32 0 17 114 116 3 +150.51 ± 31.88
380937 ncm-dbt-02 587749 500 191 73 236 +83.57 ± 13.71 0 12 110 126 2 +174.55 ± 32.38

Commit

Commit ID d49b3738bc89353a9318d54af400f02c91d2d69a
Author FauziAkram
Date 2024-03-26 17:17:00 UTC
Tweak the stats bonus and malus For depth 1 we don't have a negative score anymore. Passed STC: https://tests.stockfishchess.org/tests/view/65fb055c0ec64f0526c5024f LLR: 2.95 (-2.94,2.94) <0.00,2.00> Total: 117120 W: 30468 L: 30023 D: 56629 Ptnml(0-2): 526, 13759, 29539, 14216, 520 Passed LTC: https://tests.stockfishchess.org/tests/view/65fdca4b0ec64f0526c5293f LLR: 2.94 (-2.94,2.94) <0.50,2.50> Total: 54816 W: 13955 L: 13595 D: 27266 Ptnml(0-2): 30, 6046, 14897, 6404, 31 closes https://github.com/official-stockfish/Stockfish/pull/5134 Bench: 1876428
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