Dev Builds » 20240709-1620

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 585507 4000 1517 577 1906 +83.2 ± 4.84 0 104 859 1030 7 +175.66 ± 11.57
ncm-dbt-02 06:53:40 588622 4000 1521 542 1937 +86.8 ± 4.91 3 96 833 1055 13 +183.74 ± 11.76
ncm-dbt-03 06:52:23 587714 4000 1539 583 1878 +84.67 ± 5.03 1 120 816 1048 15 +177.66 ± 11.91
ncm-dbt-04 06:53:37 571026 4000 1526 572 1902 +84.49 ± 4.97 0 112 839 1032 17 +176.55 ± 11.73
ncm-dbt-05 06:52:18 584856 4000 1516 566 1918 +84.12 ± 4.96 4 103 845 1035 13 +177.44 ± 11.68
20000 7619 2840 9541 +84.66 ± 2.21 8 535 4192 5200 65 +178.2 ± 5.24

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
375085 ncm-dbt-01 585042 500 174 73 253 +71.16 ± 14.08 0 19 111 120 0 +148.85 ± 32.4
375084 ncm-dbt-03 586012 500 189 73 238 +82.1 ± 14.27 0 15 107 125 3 +169.27 ± 32.98
375083 ncm-dbt-02 587028 500 183 72 245 +78.44 ± 14.17 2 12 109 127 0 +169.27 ± 32.62
375082 ncm-dbt-04 571270 500 193 63 244 +92.45 ± 14.5 0 14 96 136 4 +192.71 ± 34.94
375081 ncm-dbt-05 583405 500 181 74 245 +75.52 ± 14.37 0 18 109 121 2 +155.54 ± 32.7
375080 ncm-dbt-03 588813 500 194 66 240 +90.96 ± 13.56 0 10 104 134 2 +192.71 ± 33.34
375079 ncm-dbt-01 584411 500 183 74 243 +76.97 ± 13.68 0 14 114 121 1 +160.64 ± 31.79
375078 ncm-dbt-02 586181 500 189 60 251 +91.71 ± 14.19 0 13 98 136 3 +192.71 ± 34.55
375077 ncm-dbt-04 571833 500 189 64 247 +88.74 ± 13.2 0 8 111 129 2 +187.16 ± 31.99
375076 ncm-dbt-05 586858 500 190 74 236 +82.1 ± 14.42 1 14 105 128 2 +172.78 ± 33.32
375075 ncm-dbt-02 590310 500 183 73 244 +77.71 ± 13.25 0 12 116 122 0 +164.07 ± 31.39
375074 ncm-dbt-01 587367 500 189 69 242 +85.04 ± 13.6 0 12 107 130 1 +179.9 ± 32.89
375073 ncm-dbt-03 586393 500 191 70 239 +85.78 ± 15.21 1 18 93 135 3 +179.9 ± 35.49
375072 ncm-dbt-04 571471 500 191 74 235 +82.83 ± 14.44 0 15 107 124 4 +169.27 ± 32.98
375071 ncm-dbt-05 583321 500 192 58 250 +95.44 ± 13.79 0 11 96 141 2 +204.07 ± 34.89
375070 ncm-dbt-02 588302 500 194 73 233 +85.78 ± 14.36 0 14 105 127 4 +176.33 ± 33.3
375069 ncm-dbt-03 588387 500 188 84 228 +73.34 ± 14.15 0 19 108 123 0 +153.86 ± 32.88
375068 ncm-dbt-04 570709 500 190 70 240 +85.04 ± 13.6 0 12 107 130 1 +179.9 ± 32.89
375067 ncm-dbt-01 584916 500 187 68 245 +84.3 ± 14.18 0 15 103 130 2 +176.33 ± 33.67
375066 ncm-dbt-05 585885 500 183 75 242 +76.25 ± 14.67 1 18 104 126 1 +160.64 ± 33.54
375065 ncm-dbt-04 569111 500 185 69 246 +82.1 ± 14.13 0 15 106 127 2 +171.02 ± 33.15
375064 ncm-dbt-02 586562 500 198 76 226 +86.52 ± 13.32 0 8 115 124 3 +179.9 ± 31.32
375063 ncm-dbt-03 587749 500 183 75 242 +76.25 ± 14.39 0 19 105 125 1 +158.93 ± 33.37
375062 ncm-dbt-01 584916 500 198 72 230 +89.48 ± 13.53 0 12 100 138 0 +192.71 ± 34.15
375061 ncm-dbt-05 583028 500 194 68 238 +89.48 ± 13.53 0 11 103 135 1 +190.85 ± 33.57
375060 ncm-dbt-01 585632 500 196 79 225 +82.83 ± 13.7 0 13 108 128 1 +174.55 ± 32.75
375059 ncm-dbt-02 588089 500 186 64 250 +86.52 ± 13.63 0 11 108 129 2 +181.7 ± 32.68
375058 ncm-dbt-04 571551 500 184 69 247 +81.37 ± 14.4 0 19 97 134 0 +172.78 ± 34.76
375057 ncm-dbt-03 588813 500 199 75 226 +88.0 ± 14.41 0 17 93 139 1 +187.16 ± 35.51
375056 ncm-dbt-05 585843 500 195 77 228 +83.57 ± 13.86 1 11 108 129 1 +178.11 ± 32.72
375055 ncm-dbt-04 569470 500 199 86 215 +79.9 ± 13.62 0 12 115 121 2 +165.8 ± 31.55
375054 ncm-dbt-03 586520 500 196 72 232 +88.0 ± 13.35 0 9 110 129 2 +185.33 ± 32.23
375053 ncm-dbt-02 591297 500 203 60 237 +102.22 ± 13.37 0 10 87 153 0 +226.0 ± 36.75
375052 ncm-dbt-01 584664 500 190 73 237 +82.83 ± 12.91 0 9 115 126 0 +176.33 ± 31.38
375051 ncm-dbt-05 584285 500 189 67 244 +86.52 ± 13.63 1 8 111 128 2 +183.51 ± 32.06
375050 ncm-dbt-03 589027 500 199 68 233 +93.2 ± 14.21 0 13 96 138 3 +196.45 ± 34.93
375049 ncm-dbt-04 572800 500 195 77 228 +83.57 ± 14.45 0 17 100 131 2 +174.55 ± 34.22
375048 ncm-dbt-01 587113 500 200 69 231 +93.2 ± 13.6 0 10 101 137 2 +198.34 ± 33.9
375047 ncm-dbt-02 591211 500 185 64 251 +85.78 ± 14.65 1 16 95 137 1 +183.51 ± 35.13
375046 ncm-dbt-05 586223 500 192 73 235 +84.3 ± 13.73 0 12 109 127 2 +176.33 ± 32.55

Commit

Commit ID b1f522930d58118a6035870fe7d02b3d82681ec8
Author Shawn Xu
Date 2024-07-09 16:20:26 UTC
Simplify Away Move Count Pruning Adjustment Using Singular Search Result Passed Non-regression STC: LLR: 3.01 (-2.94,2.94) <-1.75,0.25> Total: 62688 W: 16319 L: 16121 D: 30248 Ptnml(0-2): 196, 7317, 16104, 7547, 180 https://tests.stockfishchess.org/tests/view/66879bf51b527f04dd477ff9 Passed Non-regression LTC: LLR: 2.96 (-2.94,2.94) <-1.75,0.25> Total: 116502 W: 29504 L: 29379 D: 57619 Ptnml(0-2): 66, 12881, 32226, 13018, 60 https://tests.stockfishchess.org/tests/view/6688629e0c9d7c1ab33ed030 closes https://github.com/official-stockfish/Stockfish/pull/5442 bench 1207930
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