Dev Builds » 20240411-2047

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 11:48:50 1191576 4000 1750 284 1966 +133.54 +/- 4.82 0 41 516 1379 64 +302.01 +/- 15.01
ncm-dbt-02 11:49:36 1234526 4000 1724 322 1954 +127.17 +/- 4.78 0 47 550 1357 46 +286.77 +/- 14.54
ncm-dbt-03 11:48:23 1242650 4000 1761 282 1957 +134.85 +/- 4.77 0 49 474 1426 51 +311.06 +/- 15.66
ncm-dbt-05 11:50:03 1225426 4000 1763 271 1966 +136.16 +/- 4.86 0 40 500 1388 72 +308.24 +/- 15.25
ncm-dbt-06 11:50:29 1230284 4000 1692 331 1977 +123.12 +/- 4.83 1 53 571 1334 41 +275.76 +/- 14.27
20000 8690 1490 9820 +130.94 +/- 2.15 1 230 2611 6884 274 +296.41 +/- 6.67

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
340335 ncm-dbt-02 1232027 0 0 0 0 -0.0 +/- 1199.83 0 0 0 0 0 -0.0 +/- 1199.83
340334 ncm-dbt-01 1190268 0 0 0 0 -0.0 +/- 1199.83 0 0 0 0 0 -0.0 +/- 1199.83
340333 ncm-dbt-03 1265073 0 0 0 0 -0.0 +/- 1199.83 0 0 0 0 0 -0.0 +/- 1199.83
340332 ncm-dbt-06 1226676 0 0 0 0 -0.0 +/- 1199.83 0 0 0 0 0 -0.0 +/- 1199.83
340331 ncm-dbt-05 1252040 500 217 37 246 +130.94 +/- 13.69 0 5 68 169 8 +293.29 +/- 41.75
340330 ncm-dbt-01 1196050 500 217 32 251 +134.95 +/- 12.84 0 5 59 182 4 +318.25 +/- 44.96
340329 ncm-dbt-06 1225360 500 206 35 259 +123.81 +/- 13.81 0 9 65 172 4 +280.42 +/- 42.65
340328 ncm-dbt-02 1238401 500 211 46 243 +119.11 +/- 13.17 0 5 79 162 4 +265.78 +/- 38.54
340327 ncm-dbt-03 1253115 500 214 40 246 +126.17 +/- 13.42 0 9 60 179 2 +293.29 +/- 44.36
340326 ncm-dbt-05 1226466 500 217 32 251 +134.95 +/- 13.22 0 4 64 175 7 +309.64 +/- 43.08
340325 ncm-dbt-02 1200724 500 216 35 249 +131.74 +/- 13.12 0 4 67 173 6 +301.33 +/- 42.04
340324 ncm-dbt-06 1231479 500 214 40 246 +126.17 +/- 13.42 0 5 72 167 6 +282.94 +/- 40.5
340323 ncm-dbt-03 1244730 500 226 36 238 +138.99 +/- 13.48 0 5 58 179 8 +321.19 +/- 45.36
340322 ncm-dbt-01 1185699 500 212 34 254 +129.35 +/- 13.54 0 2 78 160 10 +282.94 +/- 38.55
340321 ncm-dbt-02 1227632 500 214 52 234 +116.77 +/- 13.54 0 6 81 158 5 +256.44 +/- 38.07
340320 ncm-dbt-01 1193865 500 218 34 248 +134.15 +/- 13.61 0 5 64 173 8 +304.07 +/- 43.1
340319 ncm-dbt-05 1223099 500 228 43 229 +134.95 +/- 13.41 0 4 65 173 8 +306.84 +/- 42.73
340318 ncm-dbt-03 1230487 500 216 31 253 +134.95 +/- 13.78 0 6 61 175 8 +306.84 +/- 44.17
340317 ncm-dbt-06 1209356 500 199 44 257 +111.37 +/- 15.0 1 10 79 153 7 +238.66 +/- 38.63
340273 ncm-dbt-02 1246264 500 212 31 257 +131.74 +/- 14.03 0 6 66 169 9 +293.29 +/- 42.41
340272 ncm-dbt-05 1216885 500 220 28 252 +140.62 +/- 14.7 0 7 57 173 13 +312.48 +/- 45.66
340271 ncm-dbt-06 1238163 500 212 40 248 +124.6 +/- 12.71 0 3 76 167 4 +282.94 +/- 39.21
340270 ncm-dbt-01 1173980 500 223 35 242 +137.37 +/- 14.6 0 6 63 168 13 +301.33 +/- 43.45
340269 ncm-dbt-03 1251203 500 226 32 242 +142.25 +/- 13.18 0 5 53 185 7 +336.46 +/- 47.52
340268 ncm-dbt-02 1235104 500 210 38 252 +124.6 +/- 13.45 0 8 65 174 3 +285.49 +/- 42.7
340267 ncm-dbt-05 1221582 500 226 37 237 +138.18 +/- 14.41 0 5 64 168 13 +304.07 +/- 43.1
340266 ncm-dbt-06 1237005 500 215 34 251 +131.74 +/- 13.49 0 6 63 175 6 +301.33 +/- 43.45
340265 ncm-dbt-03 1250797 500 219 42 239 +128.55 +/- 13.91 0 6 69 167 8 +285.49 +/- 41.44
340264 ncm-dbt-01 1197265 500 226 37 237 +138.18 +/- 12.93 0 2 65 175 8 +318.25 +/- 42.59
340263 ncm-dbt-02 1238937 500 223 41 236 +132.54 +/- 13.65 0 7 60 177 6 +304.07 +/- 44.5
340262 ncm-dbt-05 1224516 500 228 28 244 +147.19 +/- 12.98 0 4 50 188 8 +352.8 +/- 49.02
340261 ncm-dbt-03 1232443 500 215 34 251 +131.74 +/- 13.3 0 7 59 180 4 +306.84 +/- 44.88
340260 ncm-dbt-06 1237520 500 213 40 247 +125.38 +/- 12.7 0 3 75 168 4 +285.49 +/- 39.5
340259 ncm-dbt-01 1166324 500 221 36 243 +134.95 +/- 13.59 0 3 69 168 10 +301.33 +/- 41.33
340258 ncm-dbt-02 1242850 500 219 38 243 +131.74 +/- 13.12 0 5 64 176 5 +304.07 +/- 43.1
340257 ncm-dbt-05 1215767 500 214 26 260 +137.37 +/- 13.34 0 4 62 176 8 +315.35 +/- 43.81
340256 ncm-dbt-03 1229657 500 223 39 238 +134.15 +/- 13.97 0 7 60 175 8 +304.07 +/- 44.5
340255 ncm-dbt-01 1213122 500 219 38 243 +131.74 +/- 13.3 0 6 62 177 5 +304.07 +/- 43.81
340254 ncm-dbt-06 1253472 500 217 44 239 +125.38 +/- 14.3 0 7 72 162 9 +273.0 +/- 40.54
340253 ncm-dbt-02 1248796 500 219 41 240 +129.35 +/- 13.9 0 6 68 168 8 +288.06 +/- 41.76
340252 ncm-dbt-05 1223053 500 213 40 247 +125.38 +/- 13.96 0 7 70 166 7 +277.93 +/- 41.14
340251 ncm-dbt-03 1226351 500 222 28 250 +142.25 +/- 12.78 0 4 54 186 6 +339.63 +/- 47.1
340250 ncm-dbt-01 1207613 500 214 38 248 +127.76 +/- 14.6 0 12 56 176 6 +288.06 +/- 45.47
340249 ncm-dbt-06 1213530 500 216 54 230 +116.77 +/- 13.54 0 10 69 170 1 +265.78 +/- 41.36

Commit

Commit ID 249eec67152d334d76c0f981907a6f5787289443
Author FauziAkram
Date 2024-04-11 20:47:40 UTC
Simplify the depth-dependent part of the best value adjustment formula in main search Passed STC: LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 139648 W: 36171 L: 36061 D: 67416 Ptnml(0-2): 545, 16685, 35282, 16739, 573 https://tests.stockfishchess.org/tests/view/660d953b8ff4a059828d625d Passed LTC: LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 222894 W: 56519 L: 56505 D: 109870 Ptnml(0-2): 112, 25145, 60971, 25055, 164 https://tests.stockfishchess.org/tests/view/660fd4afbfeb43334bf7d558 closes https://github.com/official-stockfish/Stockfish/pull/5164 bench: 1479416
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