Dev Builds » 20231231-1909

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 09:46:13 1219840 3344 1463 258 1623 +131.08 ± 5.34 3 31 448 1138 52 +295.53 ± 16.11
ncm-dbt-02 09:43:38 1228841 3322 1479 264 1579 +133.24 ± 5.16 0 31 428 1158 44 +304.76 ± 16.48
ncm-dbt-03 09:48:05 1235372 3348 1451 232 1665 +132.58 ± 5.23 0 40 418 1173 43 +303.05 ± 16.68
ncm-dbt-04 09:47:04 1227297 3330 1466 246 1618 +133.49 ± 5.31 0 32 439 1136 58 +299.9 ± 16.27
ncm-dbt-05 09:42:08 1232802 3312 1485 251 1576 +135.99 ± 5.39 0 36 412 1146 62 +306.65 ± 16.81
ncm-dbt-06 09:47:39 1233168 3344 1441 273 1630 +126.68 ± 5.48 1 46 463 1108 54 +279.71 ± 15.85
20000 8785 1524 9691 +132.16 ± 2.17 4 216 2608 6859 313 +298.08 ± 6.67

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
243436 ncm-dbt-05 1207820 312 136 24 152 +130.53 ± 16.56 0 3 41 109 3 +300.46 ± 54.22
243435 ncm-dbt-02 1222939 322 143 21 158 +138.54 ± 15.55 0 1 41 115 4 +324.85 ± 54.02
243434 ncm-dbt-04 1250806 330 146 21 163 +138.5 ± 17.45 0 5 36 118 6 +316.22 ± 57.85
243433 ncm-dbt-01 1190653 344 145 24 175 +127.66 ± 15.65 0 3 48 118 3 +292.0 ± 49.89
243432 ncm-dbt-06 1241521 344 142 28 174 +119.65 ± 16.72 0 7 46 117 2 +270.07 ± 50.89
243431 ncm-dbt-03 1232223 348 155 27 166 +134.07 ± 15.99 0 1 51 115 7 +298.22 ± 47.98
243430 ncm-dbt-05 1218825 500 213 40 247 +125.38 ± 13.43 0 6 70 169 5 +282.94 ± 41.13
243429 ncm-dbt-04 1211324 500 220 35 245 +134.95 ± 14.13 0 8 57 177 8 +306.84 ± 45.58
243428 ncm-dbt-02 1244105 500 225 40 235 +134.95 ± 13.59 0 6 60 177 7 +309.64 ± 44.55
243427 ncm-dbt-06 1218587 500 223 44 233 +130.14 ± 14.23 0 6 69 165 10 +285.49 ± 41.44
243426 ncm-dbt-01 1237500 500 211 48 241 +117.55 ± 14.37 0 8 79 155 8 +251.89 ± 38.63
243425 ncm-dbt-03 1247389 500 220 35 245 +134.95 ± 13.59 0 5 63 174 8 +306.84 ± 43.45
243424 ncm-dbt-05 1228742 500 228 42 230 +135.76 ± 14.64 0 5 68 163 14 +293.29 ± 41.75
243423 ncm-dbt-04 1220371 500 219 37 244 +132.54 ± 12.52 0 1 72 171 6 +304.07 ± 40.16
243422 ncm-dbt-06 1229420 500 215 32 253 +133.34 ± 13.99 0 6 64 171 9 +298.62 ± 43.1
243421 ncm-dbt-02 1212892 500 220 48 232 +124.6 ± 13.09 0 4 75 166 5 +280.42 ± 39.57
243420 ncm-dbt-03 1235960 500 213 32 255 +131.74 ± 12.74 0 3 68 174 5 +304.07 ± 41.65
243419 ncm-dbt-01 1236557 500 228 31 241 +144.72 ± 13.48 1 1 58 180 10 +339.63 ± 45.29
243418 ncm-dbt-05 1243867 500 221 45 234 +127.76 ± 14.1 0 6 71 164 9 +280.42 ± 40.83
243417 ncm-dbt-04 1233699 500 214 41 245 +125.38 ± 13.96 0 8 67 169 6 +280.42 ± 42.05
243416 ncm-dbt-06 1251530 500 216 37 247 +130.15 ± 14.74 1 4 72 161 12 +282.94 ± 40.5
243415 ncm-dbt-02 1215652 500 224 41 235 +133.34 ± 13.08 0 6 59 181 4 +312.48 ± 44.93
243414 ncm-dbt-03 1232128 500 211 42 247 +122.24 ± 14.17 0 10 66 169 5 +273.0 ± 42.27
243413 ncm-dbt-01 1212875 500 220 40 240 +130.94 ± 13.32 0 5 66 173 6 +298.62 ± 42.41
243412 ncm-dbt-05 1247115 500 225 44 231 +131.74 ± 13.85 0 6 65 171 8 +295.94 ± 42.75
243411 ncm-dbt-02 1229232 500 225 41 234 +134.15 ± 14.33 0 7 62 171 10 +298.62 ± 43.77
243410 ncm-dbt-04 1210021 500 220 37 243 +133.34 ± 14.34 0 4 72 161 13 +288.06 ± 40.46
243409 ncm-dbt-06 1227625 500 213 48 239 +119.11 ± 14.03 0 7 78 158 7 +258.75 ± 38.88
243408 ncm-dbt-01 1253142 500 219 35 246 +134.15 ± 13.61 0 3 70 167 10 +298.62 ± 41.01
243407 ncm-dbt-03 1228855 500 223 34 243 +138.18 ± 13.32 0 4 61 177 8 +318.25 ± 44.18
243406 ncm-dbt-05 1251227 500 229 26 245 +149.68 ± 13.07 0 5 45 192 8 +363.2 ± 51.64
243405 ncm-dbt-04 1227447 500 227 39 234 +137.37 ± 13.53 0 2 69 168 11 +306.84 ± 41.23
243404 ncm-dbt-01 1214577 500 222 39 239 +133.34 ± 14.17 1 4 65 171 9 +301.33 ± 42.75
243403 ncm-dbt-06 1219399 500 225 39 236 +135.76 ± 13.39 0 4 64 174 8 +309.64 ± 43.08
243402 ncm-dbt-02 1228537 500 219 39 242 +130.94 ± 12.95 0 2 73 168 7 +295.94 ± 39.99
243401 ncm-dbt-03 1240546 500 212 29 259 +133.34 ± 13.81 0 8 57 179 6 +306.84 ± 45.58
243400 ncm-dbt-05 1232021 500 233 30 237 +149.68 ± 14.43 0 5 52 178 15 +339.63 ± 47.98
243399 ncm-dbt-01 1193580 500 218 41 241 +128.55 ± 14.25 1 7 62 174 6 +293.29 ± 43.72
243398 ncm-dbt-02 1248533 500 223 34 243 +138.18 ± 13.32 0 5 58 180 7 +321.19 ± 45.36
243397 ncm-dbt-04 1237415 500 220 36 244 +134.15 ± 13.43 0 4 66 172 8 +304.07 ± 42.38
243396 ncm-dbt-06 1244094 500 207 45 248 +116.77 ± 14.69 0 12 70 162 6 +254.16 ± 40.96
243395 ncm-dbt-03 1230504 500 217 33 250 +134.15 ± 13.61 0 9 52 185 4 +315.35 ± 47.52

Commit

Commit ID 3cfaef74311e943298a9a82bce5717d272338e66
Author Stefan Geschwentner
Date 2023-12-31 19:09:09 UTC
Tweak static eval history update Modify the applied static eval bonus for main and pawn history with different factors for positive and negative values. Passed STC: https://tests.stockfishchess.org/tests/view/659132e179aa8af82b957bb0 LLR: 2.93 (-2.94,2.94) <0.00,2.00> Total: 12512 W: 3308 L: 3027 D: 6177 Ptnml(0-2): 32, 1372, 3189, 1609, 54 Passed LTC: https://tests.stockfishchess.org/tests/view/65913e3d79aa8af82b957cd2 LLR: 2.94 (-2.94,2.94) <0.50,2.50> Total: 35946 W: 9128 L: 8809 D: 18009 Ptnml(0-2): 19, 3879, 9862, 4190, 23 closes https://github.com/official-stockfish/Stockfish/pull/4952 Bench: 1392883
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