Dev Builds » 20230405-0623

Use this dev build

NCM plays each Stockfish dev build 20,000 times against Stockfish 14. 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 14:57:14 1201619 5014 2097 481 2436 +116.12 +/- 4.39 1 79 780 1597 50 +254.76 +/- 12.2
ncm-dbt-02 14:49:35 1236003 4972 2070 466 2436 +116.24 +/- 4.38 5 63 789 1581 48 +256.4 +/- 12.12
ncm-dbt-03 14:55:34 1229280 4992 2065 479 2448 +114.34 +/- 4.47 2 82 797 1558 57 +248.18 +/- 12.07
ncm-dbt-04 14:58:24 1230629 5022 2069 485 2468 +113.45 +/- 4.38 1 74 830 1552 54 +246.15 +/- 11.81
20000 8301 1911 9788 +115.03 +/- 2.2 9 298 3196 6288 209 +251.33 +/- 6.02

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
182427 ncm-dbt-01 1223474 14 7 2 5 +129.72 +/- 68.06 0 0 2 5 0 +311.09 +/- 530.6
182426 ncm-dbt-04 1235792 22 9 2 11 +114.5 +/- 74.97 0 1 2 8 0 +261.29 +/- 554.34
182419 ncm-dbt-02 1238967 472 190 48 234 +107.86 +/- 14.25 0 9 79 145 3 +234.9 +/- 38.62
182418 ncm-dbt-03 1211483 492 205 50 237 +113.31 +/- 13.35 0 6 82 155 3 +250.7 +/- 37.8
182417 ncm-dbt-01 1190030 500 202 44 254 +113.68 +/- 13.21 0 6 83 158 3 +251.89 +/- 37.57
182416 ncm-dbt-04 1217468 500 202 50 248 +109.07 +/- 13.4 0 6 90 150 4 +236.51 +/- 35.94
182409 ncm-dbt-02 1234152 500 199 43 258 +112.14 +/- 13.73 0 7 85 153 5 +243.0 +/- 37.13
182408 ncm-dbt-03 1222292 500 200 39 261 +116.0 +/- 14.37 0 11 72 162 5 +254.16 +/- 40.45
182403 ncm-dbt-01 1223621 500 207 48 245 +114.45 +/- 14.05 0 7 84 152 7 +245.2 +/- 37.37
182402 ncm-dbt-04 1237878 500 197 44 259 +109.83 +/- 14.37 0 11 80 154 5 +236.51 +/- 38.38
182399 ncm-dbt-02 1232774 500 214 47 239 +120.67 +/- 14.01 0 6 79 157 8 +261.07 +/- 38.58
182398 ncm-dbt-03 1238303 500 212 43 245 +122.24 +/- 14.17 0 7 75 160 8 +265.78 +/- 39.69
182391 ncm-dbt-01 1204598 500 209 32 259 +128.55 +/- 13.56 0 6 67 171 6 +290.66 +/- 42.08
182390 ncm-dbt-04 1232132 500 218 47 235 +123.81 +/- 13.98 0 5 78 158 9 +268.17 +/- 38.8
182389 ncm-dbt-02 1254514 500 212 34 254 +129.35 +/- 12.8 0 3 71 171 5 +295.94 +/- 40.69
182382 ncm-dbt-03 1231712 500 207 40 253 +120.67 +/- 13.15 0 7 71 170 2 +275.45 +/- 40.84
182381 ncm-dbt-04 1236874 500 202 53 245 +106.77 +/- 13.39 0 7 90 150 3 +232.26 +/- 35.99
182380 ncm-dbt-01 1230025 500 215 49 236 +119.89 +/- 13.68 0 7 75 163 5 +265.78 +/- 39.69
182373 ncm-dbt-02 1224346 500 211 60 229 +108.3 +/- 13.56 1 6 86 155 2 +240.82 +/- 36.9
182372 ncm-dbt-03 1221814 500 215 41 244 +126.17 +/- 13.95 0 7 69 167 7 +280.42 +/- 41.44
182371 ncm-dbt-04 1231298 500 200 44 256 +112.14 +/- 14.22 0 8 85 150 7 +238.66 +/- 37.17
182370 ncm-dbt-01 1217148 500 199 48 253 +108.3 +/- 14.52 0 13 77 156 4 +234.38 +/- 39.07
182363 ncm-dbt-02 1242655 500 211 58 231 +109.83 +/- 14.99 1 9 84 148 8 +232.26 +/- 37.43
182362 ncm-dbt-03 1244499 500 207 51 242 +112.14 +/- 14.06 0 8 84 152 6 +240.82 +/- 37.4
182361 ncm-dbt-01 1189050 500 212 51 237 +116.0 +/- 14.69 0 10 77 155 8 +247.41 +/- 39.15
182360 ncm-dbt-04 1230662 500 207 44 249 +117.55 +/- 13.87 0 8 76 161 5 +258.75 +/- 39.42
182353 ncm-dbt-02 1225082 500 215 38 247 +128.55 +/- 13.01 0 4 70 171 5 +293.29 +/- 41.07
182352 ncm-dbt-03 1224166 500 209 54 237 +111.37 +/- 13.56 0 7 85 154 4 +243.0 +/- 37.13
182351 ncm-dbt-01 1187575 500 201 57 242 +102.97 +/- 14.18 0 12 85 150 3 +221.9 +/- 37.21
182350 ncm-dbt-04 1219669 500 214 52 234 +116.77 +/- 14.69 0 7 85 147 11 +243.0 +/- 37.13
182342 ncm-dbt-02 1219964 500 210 51 239 +114.45 +/- 14.37 2 4 83 155 6 +251.89 +/- 37.57
182341 ncm-dbt-03 1238470 500 195 57 248 +98.44 +/- 15.03 0 12 97 132 9 +198.34 +/- 34.72
182340 ncm-dbt-01 1181743 500 217 49 234 +121.45 +/- 13.84 0 6 77 160 7 +265.78 +/- 39.12
182339 ncm-dbt-04 1229196 500 204 48 248 +112.14 +/- 14.38 1 9 77 159 4 +247.41 +/- 39.15
182332 ncm-dbt-02 1229789 500 205 50 245 +111.37 +/- 13.05 0 6 85 157 2 +247.41 +/- 37.09
182331 ncm-dbt-03 1238640 500 207 49 244 +113.68 +/- 14.38 1 7 81 155 6 +247.41 +/- 38.13
182330 ncm-dbt-01 1200611 500 206 41 253 +119.11 +/- 13.17 0 6 76 165 3 +268.17 +/- 39.39
182329 ncm-dbt-04 1236802 500 205 50 245 +111.37 +/- 13.22 0 6 86 155 3 +245.2 +/- 36.85
182322 ncm-dbt-03 1221427 500 208 55 237 +109.83 +/- 14.99 1 10 81 151 7 +234.38 +/- 38.14
182321 ncm-dbt-02 1257787 500 203 37 260 +119.89 +/- 14.35 1 9 67 169 4 +270.57 +/- 41.96
182320 ncm-dbt-01 1169938 500 222 60 218 +116.78 +/- 13.87 1 6 77 162 4 +261.07 +/- 39.14
182319 ncm-dbt-04 1229156 500 211 51 238 +115.22 +/- 13.2 0 6 81 160 3 +256.44 +/- 38.07

Commit

Commit ID 510aca1ef62279dc35941fa45ed61fb9d3796f10
Author Michael Chaly
Date 2023-04-05 06:23:54 UTC
Assign negative stat bonuses for quiet moves at Pv nodes This patch assigns negative stat bonuses for quiet moves at pv nodes which are searched at depth greater than this node assumes, so are extended. Passed STC: https://tests.stockfishchess.org/tests/view/6426198bdb43ab2ba6f9cfa2 LLR: 2.94 (-2.94,2.94) <0.00,2.00> Total: 548944 W: 147287 L: 146254 D: 255403 Ptnml(0-2): 1662, 59772, 150671, 60605, 1762 Passed LTC: https://tests.stockfishchess.org/tests/view/642be4f177ff3301150d892d LLR: 2.95 (-2.94,2.94) <0.50,2.50> Total: 93352 W: 25400 L: 24994 D: 42958 Ptnml(0-2): 44, 8817, 28547, 9225, 43 closes https://github.com/official-stockfish/Stockfish/pull/4495 bench 5044536
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