Dev Builds » 20240715-1127

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 06:53:20 584852 4000 1548 585 1867 +85.32 ± 4.98 1 117 810 1062 10 +180.35 ± 11.96
ncm-dbt-02 06:54:28 586948 4000 1463 562 1975 +79.63 ± 4.95 1 121 863 1006 9 +166.88 ± 11.56
ncm-dbt-03 06:53:33 587571 4002 1533 590 1879 +83.43 ± 5.07 2 127 812 1046 14 +175.11 ± 11.95
ncm-dbt-04 06:53:24 557690 4000 1497 563 1940 +82.65 ± 4.95 0 110 865 1006 19 +171.68 ± 11.53
ncm-dbt-05 06:53:01 581940 3998 1495 582 1921 +80.77 ± 5.01 3 119 852 1012 13 +169.15 ± 11.64
20000 7536 2882 9582 +82.36 ± 2.23 7 594 4202 5132 65 +172.61 ± 5.24

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
373957 ncm-dbt-03 586435 2 1 0 1 +189.7 ± 55.98 0 0 0 1 0 +1129.65 ± 376.02
373956 ncm-dbt-05 581569 498 193 80 225 +80.23 ± 13.97 0 15 107 126 1 +168.31 ± 32.98
373955 ncm-dbt-02 588004 500 177 73 250 +73.34 ± 14.15 0 19 108 123 0 +153.86 ± 32.88
373954 ncm-dbt-01 586477 500 192 73 235 +84.31 ± 15.59 1 20 92 133 4 +174.55 ± 35.63
373953 ncm-dbt-04 558170 500 180 60 260 +85.04 ± 14.49 0 16 101 130 3 +176.33 ± 34.04
373952 ncm-dbt-03 587877 500 196 79 225 +82.83 ± 14.44 0 19 95 136 0 +176.33 ± 35.12
373951 ncm-dbt-05 581943 500 184 85 231 +69.71 ± 14.59 0 22 108 119 1 +143.89 ± 32.9
373950 ncm-dbt-02 588302 500 181 72 247 +76.97 ± 13.53 0 13 116 120 1 +160.64 ± 31.43
373949 ncm-dbt-04 559322 500 181 69 250 +79.17 ± 13.75 0 15 108 127 0 +167.53 ± 32.81
373948 ncm-dbt-03 588004 500 191 77 232 +80.63 ± 14.38 1 15 104 129 1 +171.02 ± 33.51
373947 ncm-dbt-01 585084 500 192 81 227 +78.44 ± 13.42 0 13 113 124 0 +165.8 ± 31.92
373946 ncm-dbt-05 583196 500 172 74 254 +68.99 ± 13.56 0 15 123 111 1 +142.26 ± 30.43
373945 ncm-dbt-02 580779 500 188 80 232 +76.25 ± 14.67 0 19 107 121 3 +155.54 ± 33.04
373944 ncm-dbt-04 558323 500 187 74 239 +79.9 ± 14.36 0 17 105 126 2 +165.8 ± 33.35
373943 ncm-dbt-03 587537 500 181 75 244 +74.79 ± 14.63 1 17 109 121 2 +155.54 ± 32.7
373942 ncm-dbt-01 585928 500 186 76 238 +77.71 ± 13.56 0 14 112 124 0 +164.07 ± 32.12
373941 ncm-dbt-05 579826 500 190 68 242 +86.52 ± 14.67 2 12 100 134 2 +185.33 ± 34.19
373940 ncm-dbt-02 589240 500 188 69 243 +84.3 ± 13.73 0 12 109 127 2 +176.33 ± 32.55
373939 ncm-dbt-04 555804 500 191 72 237 +84.3 ± 14.33 0 13 110 122 5 +171.02 ± 32.42
373938 ncm-dbt-03 586604 500 188 68 244 +85.04 ± 14.05 0 14 104 130 2 +178.11 ± 33.48
373937 ncm-dbt-01 585759 500 196 64 240 +93.95 ± 14.53 0 17 85 147 1 +202.15 ± 37.11
373936 ncm-dbt-05 581277 500 182 73 245 +76.98 ± 14.41 1 16 107 125 1 +162.35 ± 33.02
373935 ncm-dbt-02 585632 500 175 72 253 +72.61 ± 13.99 0 18 111 121 0 +152.18 ± 32.38
373934 ncm-dbt-04 555994 500 182 61 257 +85.78 ± 13.3 0 11 107 132 0 +183.51 ± 32.85
373933 ncm-dbt-03 587749 500 200 61 239 +99.2 ± 14.15 0 12 90 145 3 +211.87 ± 36.13
373932 ncm-dbt-01 580572 500 208 73 219 +96.19 ± 13.32 0 9 98 142 1 +207.95 ± 34.43
373931 ncm-dbt-05 582444 500 185 81 234 +73.33 ± 14.44 0 19 110 119 2 +150.51 ± 32.56
373930 ncm-dbt-02 587197 500 177 64 259 +79.9 ± 13.31 0 12 113 125 0 +169.27 ± 31.88
373929 ncm-dbt-04 557749 500 185 77 238 +76.25 ± 14.53 0 17 112 117 4 +153.86 ± 32.2
373928 ncm-dbt-03 587962 500 199 77 224 +86.52 ± 14.23 0 14 103 130 3 +179.9 ± 33.65
373927 ncm-dbt-01 585337 500 197 70 233 +90.22 ± 14.01 0 13 99 136 2 +190.85 ± 34.36
373926 ncm-dbt-05 581194 500 198 58 244 +99.95 ± 13.36 0 8 96 144 2 +215.85 ± 34.78
373925 ncm-dbt-04 556260 500 187 82 231 +74.06 ± 13.59 0 13 121 114 2 +152.18 ± 30.64
373924 ncm-dbt-02 587707 500 184 68 248 +82.1 ± 14.27 0 17 101 131 1 +172.78 ± 34.05
373923 ncm-dbt-03 586731 500 187 73 240 +80.63 ± 14.66 0 19 100 129 2 +167.53 ± 34.22
373922 ncm-dbt-01 584453 500 189 80 231 +76.97 ± 13.98 0 16 110 123 1 +160.64 ± 32.5
373921 ncm-dbt-05 584076 500 191 63 246 +90.96 ± 14.02 0 12 101 134 3 +190.85 ± 33.97
373920 ncm-dbt-03 589240 500 190 80 230 +77.7 ± 14.15 0 17 107 125 1 +162.35 ± 33.02
373919 ncm-dbt-04 559900 500 204 68 228 +96.94 ± 13.49 0 8 101 138 3 +206.01 ± 33.8
373918 ncm-dbt-02 588728 500 193 64 243 +91.71 ± 14.19 1 11 98 138 2 +196.45 ± 34.53
373917 ncm-dbt-01 585211 500 188 68 244 +85.04 ± 14.05 0 15 101 133 1 +179.9 ± 34.03

Commit

Commit ID 7395d568329f404cd4dc3f4c2fe093059ac2b391
Author FauziAkram
Date 2024-07-15 11:27:42 UTC
bonus calculation for prior countermoves Introduce a new term to the bonus calculation for prior countermoves Passed STC: LLR: 2.93 (-2.94,2.94) <0.00,2.00> Total: 140896 W: 36545 L: 36079 D: 68272 Ptnml(0-2): 383, 16505, 36217, 16949, 394 https://tests.stockfishchess.org/tests/view/6691c73cc6827afcdcee1816 Passed LTC: LLR: 2.94 (-2.94,2.94) <0.50,2.50> Total: 126660 W: 32089 L: 31587 D: 62984 Ptnml(0-2): 63, 13774, 35154, 14276, 63 https://tests.stockfishchess.org/tests/view/6691cdc4c6827afcdcee1930 closes https://github.com/official-stockfish/Stockfish/pull/5483 bench: 1250388
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