Dev Builds » 20240715-1115

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 06:53:31 584421 4000 1501 598 1901 +79.81 ± 5.03 2 123 861 998 16 +166.01 ± 11.58
ncm-dbt-02 06:53:09 586306 4000 1550 616 1834 +82.65 ± 4.95 1 107 868 1005 19 +171.9 ± 11.51
ncm-dbt-03 06:54:00 587633 4000 1506 570 1924 +82.83 ± 4.93 4 101 863 1019 13 +174.33 ± 11.54
ncm-dbt-04 06:53:13 557808 4000 1493 587 1920 +80.08 ± 5.04 2 126 850 1008 14 +167.1 ± 11.66
ncm-dbt-05 06:53:29 582377 4000 1499 596 1905 +79.81 ± 5.11 4 129 844 1006 17 +166.23 ± 11.71
20000 7549 2967 9484 +81.04 ± 2.24 13 586 4286 5036 79 +169.1 ± 5.19

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
374172 ncm-dbt-03 587409 500 182 65 253 +82.83 ± 13.54 0 12 110 127 1 +174.55 ± 32.38
374171 ncm-dbt-05 583028 500 182 86 232 +67.55 ± 14.51 1 18 117 112 2 +138.99 ± 31.46
374170 ncm-dbt-01 580613 500 192 68 240 +88.0 ± 14.27 0 16 95 138 1 +187.16 ± 35.14
374169 ncm-dbt-02 584159 500 188 65 247 +87.26 ± 13.17 0 10 107 133 0 +187.16 ± 32.81
374168 ncm-dbt-04 559091 500 197 63 240 +95.44 ± 12.98 0 6 106 136 2 +204.07 ± 32.73
374167 ncm-dbt-05 582945 500 194 72 234 +86.52 ± 13.63 0 12 105 132 1 +183.51 ± 33.24
374166 ncm-dbt-03 586646 500 190 61 249 +91.71 ± 14.34 0 14 96 137 3 +192.71 ± 34.94
374165 ncm-dbt-01 585379 500 189 78 233 +78.44 ± 14.17 1 13 112 122 2 +164.07 ± 32.12
374164 ncm-dbt-04 556527 500 181 77 242 +73.34 ± 14.44 1 17 110 121 1 +153.86 ± 32.54
374163 ncm-dbt-02 586012 500 189 67 244 +86.52 ± 14.08 0 13 105 129 3 +179.9 ± 33.27
374162 ncm-dbt-05 582861 500 185 68 247 +82.83 ± 14.72 0 17 103 126 4 +169.27 ± 33.7
374161 ncm-dbt-01 586393 500 182 82 236 +70.43 ± 13.47 0 14 123 112 1 +145.54 ± 30.38
374160 ncm-dbt-03 586731 500 185 75 240 +77.71 ± 14.99 2 15 107 123 3 +162.35 ± 33.02
374159 ncm-dbt-02 587707 500 189 81 230 +76.25 ± 13.66 0 15 112 123 0 +160.64 ± 32.15
374158 ncm-dbt-04 558285 500 176 71 253 +74.06 ± 14.6 0 20 107 121 2 +152.18 ± 33.05
374157 ncm-dbt-05 582402 500 185 84 231 +71.16 ± 15.32 1 22 105 119 3 +145.54 ± 33.38
374156 ncm-dbt-03 589283 500 191 80 229 +78.43 ± 13.88 0 14 113 121 2 +162.35 ± 31.95
374155 ncm-dbt-02 586604 500 191 82 227 +76.97 ± 14.56 0 17 111 118 4 +155.54 ± 32.36
374154 ncm-dbt-01 583866 500 184 73 243 +78.43 ± 13.88 0 14 113 121 2 +162.35 ± 31.95
374153 ncm-dbt-04 557634 500 189 77 234 +79.17 ± 13.9 0 14 112 122 2 +164.07 ± 32.12
374152 ncm-dbt-05 580904 500 183 67 250 +82.1 ± 14.56 1 16 100 132 1 +174.55 ± 34.22
374151 ncm-dbt-03 587155 500 190 77 233 +79.9 ± 13.47 0 11 117 120 2 +165.8 ± 31.17
374150 ncm-dbt-02 584832 500 202 81 217 +85.78 ± 14.36 0 13 108 124 5 +174.55 ± 32.75
374149 ncm-dbt-01 584495 500 188 67 245 +85.78 ± 14.65 0 19 92 138 1 +181.7 ± 35.67
374148 ncm-dbt-04 558362 500 189 69 242 +85.04 ± 14.49 0 17 98 133 2 +178.11 ± 34.58
374147 ncm-dbt-03 588643 500 190 77 233 +79.9 ± 14.21 2 11 110 126 1 +171.02 ± 32.42
374146 ncm-dbt-05 583489 500 188 67 245 +85.78 ± 13.92 0 12 108 127 3 +178.11 ± 32.72
374145 ncm-dbt-01 584076 500 190 65 245 +88.74 ± 14.57 0 14 102 129 5 +181.7 ± 33.83
374144 ncm-dbt-04 555994 500 183 72 245 +78.43 ± 14.17 0 16 109 123 2 +162.35 ± 32.67
374143 ncm-dbt-02 587070 500 200 78 222 +86.52 ± 15.09 1 18 91 138 2 +183.51 ± 35.86
374142 ncm-dbt-03 587240 500 191 71 238 +85.04 ± 13.13 0 10 110 130 0 +181.7 ± 32.28
374141 ncm-dbt-05 580862 500 193 77 230 +82.1 ± 14.7 1 17 98 133 1 +174.55 ± 34.58
374140 ncm-dbt-04 557519 500 196 79 225 +82.83 ± 14.72 1 15 103 128 3 +172.78 ± 33.69
374139 ncm-dbt-01 585084 500 190 86 224 +73.34 ± 14.01 1 13 119 115 2 +152.18 ± 31.0
374138 ncm-dbt-02 585379 500 196 83 221 +79.9 ± 13.77 0 11 119 116 4 +162.35 ± 30.85
374137 ncm-dbt-05 582527 500 189 75 236 +80.63 ± 14.09 0 15 108 125 2 +167.53 ± 32.81
374136 ncm-dbt-03 587962 500 187 64 249 +87.26 ± 13.95 0 14 100 135 1 +185.33 ± 34.19
374135 ncm-dbt-01 585464 500 186 79 235 +75.52 ± 14.65 0 20 105 123 2 +155.54 ± 33.38
374134 ncm-dbt-04 559053 500 182 79 239 +72.61 ± 14.41 0 21 105 124 0 +152.18 ± 33.38
374133 ncm-dbt-02 588686 500 195 79 226 +82.1 ± 13.21 0 10 115 124 1 +172.78 ± 31.44

Commit

Commit ID 3df09c04d7081d341cb0c5bcc3adc498ba877f9a
Author Shawn Xu
Date 2024-07-15 11:15:35 UTC
Simplify Away Refutation Stage Simplify away killer stage to a constant bonus given to the killer move during quiet move scoring. Passed Non-regression STC (Against then-pending PR #5472): LLR: 2.93 (-2.94,2.94) <-1.75,0.25> Total: 106176 W: 27685 L: 27539 D: 50952 Ptnml(0-2): 410, 12765, 26637, 12821, 455 https://tests.stockfishchess.org/tests/view/668dd0835034141ae5999e8f Passed Non-regression LTC: LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 92472 W: 23426 L: 23276 D: 45770 Ptnml(0-2): 55, 10376, 25215, 10544, 46 https://tests.stockfishchess.org/tests/view/669019e45034141ae5999fd2 closes https://github.com/official-stockfish/Stockfish/pull/5476 Bench 1459677
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