Dev Builds » 20240521-0617

You are viewing an old NCM Stockfish dev build test. You may find the most recent dev build tests using Stockfish 15 as the baseline here.

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 11:36:14 1204847 4000 1750 336 1914 +128.36 ± 4.88 0 55 529 1363 53 +288.39 ± 14.82
ncm-dbt-02 11:34:17 1229615 3982 1731 310 1941 +129.69 ± 4.67 0 37 540 1370 44 +295.68 ± 14.66
ncm-dbt-03 11:38:14 1235186 4030 1800 297 1933 +136.14 ± 4.6 1 32 494 1439 49 +316.86 ± 15.34
ncm-dbt-05 11:35:01 1197830 3988 1782 313 1893 +134.29 ± 4.71 0 38 502 1401 53 +308.33 ± 15.22
ncm-dbt-06 11:38:31 1233226 4000 1777 335 1888 +131.14 ± 4.77 0 41 531 1373 55 +296.94 ± 14.79
20000 8840 1591 9569 +131.92 ± 2.12 1 203 2596 6946 254 +301.06 ± 6.68

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
368433 ncm-dbt-03 1225371 30 13 2 15 +133.55 ± 59.08 0 0 5 9 1 +279.52 ± 181.18
368432 ncm-dbt-05 1200945 488 211 42 235 +125.51 ± 14.01 0 6 70 161 7 +277.88 ± 41.12
368431 ncm-dbt-02 1254365 482 207 45 230 +121.49 ± 13.81 0 6 72 158 5 +270.24 ± 40.51
368430 ncm-dbt-01 1169442 500 223 47 230 +127.76 ± 14.93 0 11 61 169 9 +280.42 ± 43.82
368429 ncm-dbt-06 1234202 500 221 41 238 +130.94 ± 13.32 0 6 63 176 5 +301.33 ± 43.45
368428 ncm-dbt-03 1223903 500 227 31 242 +143.89 ± 11.87 0 2 54 190 4 +352.8 ± 47.05
368427 ncm-dbt-02 1230343 500 218 35 247 +133.34 ± 13.08 0 4 65 175 6 +306.84 ± 42.73
368426 ncm-dbt-05 1196697 500 216 38 246 +129.35 ± 13.17 0 5 67 173 5 +295.94 ± 42.08
368425 ncm-dbt-01 1177242 500 220 42 238 +129.35 ± 14.24 0 5 73 161 11 +280.42 ± 40.21
368424 ncm-dbt-06 1209912 500 215 39 246 +127.76 ± 13.39 0 5 70 169 6 +288.06 ± 41.11
368423 ncm-dbt-03 1256199 500 231 37 232 +142.25 ± 14.3 0 3 65 167 15 +312.48 ± 42.67
368422 ncm-dbt-02 1224252 500 223 37 240 +135.76 ± 13.76 0 4 66 170 10 +304.07 ± 42.38
368421 ncm-dbt-05 1196868 500 219 47 234 +124.6 ± 13.97 0 11 59 177 3 +285.49 ± 44.52
368420 ncm-dbt-01 1247883 500 227 41 232 +135.76 ± 12.81 0 5 58 183 4 +321.19 ± 45.36
368419 ncm-dbt-06 1238947 500 224 34 242 +138.99 ± 13.48 0 5 58 179 8 +321.19 ± 45.36
368418 ncm-dbt-03 1244786 500 226 46 228 +130.94 ± 14.39 1 5 66 169 9 +293.29 ± 42.41
368417 ncm-dbt-02 1222908 500 221 32 247 +138.18 ± 13.12 0 6 54 185 5 +327.18 ± 47.0
368416 ncm-dbt-05 1195793 500 226 25 249 +148.02 ± 12.94 0 2 55 183 10 +349.43 ± 46.59
368415 ncm-dbt-06 1218021 500 218 43 239 +126.97 ± 12.08 0 3 70 176 1 +298.62 ± 41.01
368414 ncm-dbt-01 1182111 500 208 36 256 +124.6 ± 13.97 0 7 71 165 7 +275.45 ± 40.84
368413 ncm-dbt-03 1226289 500 214 44 242 +123.02 ± 13.29 0 6 72 168 4 +277.93 ± 40.53
368412 ncm-dbt-02 1226042 500 217 31 252 +135.76 ± 12.42 0 4 59 184 3 +324.17 ± 44.97
368411 ncm-dbt-05 1194551 500 235 44 221 +139.81 ± 13.07 0 3 61 178 8 +324.17 ± 44.15
368410 ncm-dbt-06 1251434 500 235 40 225 +143.07 ± 12.54 0 0 64 177 9 +333.32 ± 42.66
368409 ncm-dbt-01 1244917 500 209 43 248 +119.89 ± 13.16 0 6 75 166 3 +270.57 ± 39.67
368408 ncm-dbt-03 1246576 500 212 29 259 +133.34 ± 12.29 0 4 61 183 2 +318.25 ± 44.18
368407 ncm-dbt-02 1221023 500 209 45 246 +118.33 ± 13.52 0 7 76 163 4 +263.42 ± 39.41
368406 ncm-dbt-05 1208055 500 226 39 235 +136.56 ± 12.79 0 3 63 178 6 +318.25 ± 43.39
368405 ncm-dbt-06 1242738 500 221 45 234 +127.76 ± 14.1 0 7 68 167 8 +282.94 ± 41.76
368404 ncm-dbt-01 1225142 500 220 48 232 +124.6 ± 13.45 0 5 74 165 6 +277.93 ± 39.92
368403 ncm-dbt-03 1248464 500 228 44 228 +134.15 ± 12.86 0 4 63 178 5 +312.48 ± 43.44
368402 ncm-dbt-02 1223853 500 223 40 237 +133.34 ± 12.69 0 3 66 176 5 +309.64 ± 42.33
368401 ncm-dbt-05 1194101 500 219 44 237 +126.97 ± 13.22 0 4 73 167 6 +285.49 ± 40.16
368400 ncm-dbt-06 1228766 500 217 44 239 +125.38 ± 14.13 0 7 71 164 8 +275.45 ± 40.84
368399 ncm-dbt-01 1197355 500 229 39 232 +138.99 ± 13.85 0 7 54 181 8 +321.19 ± 46.91
368398 ncm-dbt-03 1222629 500 222 30 248 +140.62 ± 12.23 0 3 56 187 4 +339.63 ± 46.2
368397 ncm-dbt-02 1234140 500 213 45 242 +121.45 ± 13.14 0 3 82 159 6 +268.17 ± 37.61
368396 ncm-dbt-05 1195637 500 230 34 236 +143.89 ± 13.12 0 4 54 184 8 +339.63 ± 47.1
368395 ncm-dbt-01 1194684 500 214 40 246 +126.17 ± 13.95 0 9 63 173 5 +285.49 ± 43.31
368394 ncm-dbt-06 1241789 500 226 49 225 +128.55 ± 14.59 0 8 67 165 10 +280.42 ± 42.05
368393 ncm-dbt-03 1222460 500 227 34 239 +141.44 ± 12.81 0 5 52 188 5 +339.63 ± 47.98

Commit

Commit ID 0c797367a3a9783ff87422d543eb2106fea3e948
Author Michael Chaly
Date 2024-05-21 06:17:20 UTC
Update correction history in case of successful null move pruning Since null move pruning uses the same position it makes some sense to try to update correction history there in case of fail high. Update value is 4 times less than normal update. Passed STC: https://tests.stockfishchess.org/tests/view/664a011cae57c1758ac5b4dd LLR: 2.94 (-2.94,2.94) <0.00,2.00> Total: 419360 W: 108390 L: 107505 D: 203465 Ptnml(0-2): 1416, 49603, 106724, 50554, 1383 Passed LTC: https://tests.stockfishchess.org/tests/view/664a53d95fc7b70b8817c65b LLR: 2.94 (-2.94,2.94) <0.50,2.50> Total: 193518 W: 49076 L: 48434 D: 96008 Ptnml(0-2): 89, 21335, 53263, 21989, 83 closes https://github.com/official-stockfish/Stockfish/pull/5272 bench 1301487
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