Dev Builds » 20240217-1613

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 14:34:45 1133827 4998 2226 400 2372 +133.08 +/- 4.5 1 58 656 1682 102 +294.79 +/- 13.31
ncm-dbt-03 14:35:20 1198777 5018 2204 375 2439 +132.74 +/- 4.23 1 55 627 1766 60 +305.08 +/- 13.61
ncm-dbt-04 14:33:45 1192513 4984 2212 385 2387 +133.57 +/- 4.32 0 52 640 1721 79 +302.32 +/- 13.47
ncm-dbt-06 14:35:25 1190502 5000 2202 384 2414 +132.38 +/- 4.34 0 61 634 1731 74 +299.7 +/- 13.54
20000 8844 1544 9612 +132.94 +/- 2.17 2 226 2557 6900 315 +300.45 +/- 6.74

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
327213 ncm-dbt-06 1185185 0 0 0 0 -0.0 +/- 1199.83 0 0 0 0 0 -0.0 +/- 1199.83
327212 ncm-dbt-03 1201633 18 9 3 6 +120.35 +/- 61.17 0 0 3 6 0 +279.47 +/- 313.13
327211 ncm-dbt-04 1194720 484 211 37 236 +130.74 +/- 15.25 0 9 61 161 11 +283.93 +/- 44.01
327210 ncm-dbt-01 1122600 498 232 34 232 +146.19 +/- 14.77 0 4 60 168 17 +320.38 +/- 44.57
327209 ncm-dbt-06 1186119 500 228 32 240 +143.89 +/- 12.51 0 3 54 187 6 +346.12 +/- 47.1
327208 ncm-dbt-03 1200799 500 208 33 259 +126.97 +/- 13.41 0 6 68 171 5 +288.06 +/- 41.76
327207 ncm-dbt-04 1192467 500 223 30 247 +141.44 +/- 13.59 0 4 59 177 10 +324.17 +/- 44.97
327206 ncm-dbt-01 1123657 500 225 42 233 +133.34 +/- 14.34 0 7 63 170 10 +295.94 +/- 43.42
327205 ncm-dbt-06 1186331 500 225 39 236 +135.76 +/- 14.12 0 5 65 169 11 +301.33 +/- 42.75
327204 ncm-dbt-03 1197902 500 218 35 247 +133.34 +/- 13.63 0 7 59 178 6 +306.84 +/- 44.88
327203 ncm-dbt-04 1187482 500 222 35 243 +136.56 +/- 14.1 0 4 67 167 12 +301.33 +/- 42.04
327202 ncm-dbt-01 1115337 500 226 34 240 +140.62 +/- 14.17 0 7 54 179 10 +321.19 +/- 46.91
327201 ncm-dbt-03 1201084 500 229 34 237 +143.07 +/- 12.75 0 5 50 190 5 +346.12 +/- 48.95
327200 ncm-dbt-06 1193429 500 220 38 242 +132.54 +/- 13.83 0 4 70 166 10 +293.29 +/- 41.07
327199 ncm-dbt-04 1195485 500 220 34 246 +135.76 +/- 12.81 0 2 67 174 7 +312.48 +/- 41.9
327198 ncm-dbt-01 1122828 500 224 43 233 +131.74 +/- 13.67 0 5 67 170 8 +295.94 +/- 42.08
327197 ncm-dbt-03 1197888 500 223 39 238 +134.15 +/- 13.97 0 7 60 175 8 +304.07 +/- 44.5
327196 ncm-dbt-06 1191227 500 214 39 247 +126.97 +/- 13.58 0 7 66 172 5 +288.06 +/- 42.4
327195 ncm-dbt-04 1183402 500 222 45 233 +128.55 +/- 14.59 0 9 64 168 9 +282.94 +/- 42.98
327194 ncm-dbt-01 1132777 500 224 39 237 +134.95 +/- 14.65 0 7 63 168 12 +295.94 +/- 43.42
327193 ncm-dbt-06 1192240 500 213 39 248 +126.17 +/- 13.6 0 8 64 174 4 +288.06 +/- 43.03
327192 ncm-dbt-03 1197799 500 218 35 247 +133.34 +/- 13.99 0 9 55 180 6 +306.84 +/- 46.27
327191 ncm-dbt-04 1197758 500 224 43 233 +131.74 +/- 12.93 0 2 72 169 7 +298.62 +/- 40.29
327190 ncm-dbt-01 1125147 500 224 42 234 +132.54 +/- 14.87 1 5 67 165 12 +290.66 +/- 42.08
327189 ncm-dbt-06 1185245 500 215 38 247 +128.55 +/- 14.26 0 8 65 169 8 +285.49 +/- 42.7
327188 ncm-dbt-03 1197358 500 227 44 229 +133.34 +/- 13.26 0 6 60 179 5 +309.64 +/- 44.55
327187 ncm-dbt-04 1194902 500 223 37 240 +135.76 +/- 13.01 0 4 62 178 6 +315.35 +/- 43.81
327186 ncm-dbt-06 1193400 500 222 49 229 +125.38 +/- 13.61 0 7 68 170 5 +282.94 +/- 41.76
327185 ncm-dbt-01 1134600 500 217 46 237 +123.81 +/- 13.28 0 6 71 169 4 +280.42 +/- 40.83
327184 ncm-dbt-03 1201514 500 217 36 247 +131.74 +/- 13.12 0 3 70 170 7 +298.62 +/- 41.01
327183 ncm-dbt-04 1190143 500 221 41 238 +130.94 +/- 13.32 0 5 66 173 6 +298.62 +/- 42.41
327182 ncm-dbt-06 1190847 500 220 34 246 +135.76 +/- 13.57 0 7 56 181 6 +315.35 +/- 46.07
327181 ncm-dbt-01 1129693 500 214 49 237 +119.11 +/- 14.03 0 6 81 155 8 +256.44 +/- 38.07
327180 ncm-dbt-03 1199096 500 211 50 239 +116.0 +/- 13.71 1 5 80 160 4 +258.75 +/- 38.32
327179 ncm-dbt-04 1188054 500 219 45 236 +126.17 +/- 13.95 0 9 63 173 5 +285.49 +/- 43.31
327178 ncm-dbt-03 1199604 500 217 31 252 +135.76 +/- 12.62 0 3 63 179 5 +318.25 +/- 43.39
327177 ncm-dbt-06 1196860 500 220 33 247 +136.56 +/- 13.73 0 6 59 177 8 +312.48 +/- 44.93
327176 ncm-dbt-01 1216221 500 220 31 249 +138.18 +/- 13.32 0 4 61 177 8 +318.25 +/- 44.18
327175 ncm-dbt-04 1200723 500 227 38 235 +138.18 +/- 12.93 0 4 59 181 6 +324.17 +/- 44.97
327174 ncm-dbt-01 1115418 500 220 40 240 +130.94 +/- 14.89 0 7 69 161 13 +280.42 +/- 41.44
327173 ncm-dbt-06 1194642 500 225 43 232 +132.54 +/- 14.36 0 6 67 166 11 +290.66 +/- 42.08
327172 ncm-dbt-03 1191870 500 227 35 238 +140.62 +/- 13.43 0 4 59 178 9 +324.17 +/- 44.97

Commit

Commit ID fc41f64dfd8a61d0e275ddbecec292833458b86a
Author cj5716
Date 2024-02-17 16:13:07 UTC
Simplify PV node reduction Reduce less on PV nodes even with an upperbound TT entry. Passed STC: https://tests.stockfishchess.org/tests/view/65cb3a861d8e83c78bfd0497 LLR: 2.96 (-2.94,2.94) <-1.75,0.25> Total: 118752 W: 30441 L: 30307 D: 58004 Ptnml(0-2): 476, 14179, 29921, 14335, 465 Passed LTC: https://tests.stockfishchess.org/tests/view/65cd3b951d8e83c78bfd2b0d LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 155058 W: 38549 L: 38464 D: 78045 Ptnml(0-2): 85, 17521, 42219, 17632, 72 closes https://github.com/official-stockfish/Stockfish/pull/5057 Bench: 1303971
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