Dev Builds » 20240203-1609

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 14:41:58 1171007 5006 2165 386 2455 +129.1 +/- 4.27 1 58 662 1725 57 +293.53 +/- 13.25
ncm-dbt-03 14:43:01 1199720 5000 2171 365 2464 +131.42 +/- 4.18 0 46 661 1734 59 +300.51 +/- 13.25
ncm-dbt-04 14:43:24 1204676 4992 2172 379 2441 +130.61 +/- 4.26 2 41 686 1696 71 +295.08 +/- 13.0
ncm-dbt-06 14:42:26 1191720 5002 2226 385 2391 +134.17 +/- 4.22 1 49 623 1764 64 +308.88 +/- 13.66
20000 8734 1515 9751 +131.32 +/- 2.12 4 194 2632 6919 251 +299.43 +/- 6.64

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
326347 ncm-dbt-03 1198024 0 0 0 0 -0.0 +/- 1199.83 0 0 0 0 0 -0.0 +/- 1199.83
326346 ncm-dbt-06 1196957 2 1 0 1 +189.7 +/- 55.98 0 0 0 1 0 +1129.65 +/- 376.02
326345 ncm-dbt-01 1168822 6 3 0 3 +190.46 +/- 18.51 0 0 0 3 0 +1199.83 +/- 276.48
326344 ncm-dbt-04 1212667 492 226 36 230 +141.51 +/- 14.12 0 4 60 170 12 +317.94 +/- 44.56
326343 ncm-dbt-01 1170508 500 219 35 246 +134.15 +/- 14.33 0 6 65 168 11 +295.94 +/- 42.75
326342 ncm-dbt-06 1190069 500 232 44 224 +137.37 +/- 13.15 0 4 61 178 7 +318.25 +/- 44.18
326341 ncm-dbt-03 1196956 500 219 42 239 +128.55 +/- 13.19 0 5 68 172 5 +293.29 +/- 41.75
326340 ncm-dbt-04 1201139 500 207 33 260 +126.17 +/- 12.68 0 2 77 166 5 +285.49 +/- 38.83
326339 ncm-dbt-01 1176706 500 211 36 253 +126.97 +/- 13.41 0 7 65 174 4 +290.66 +/- 42.73
326338 ncm-dbt-06 1194798 500 226 42 232 +134.15 +/- 12.86 0 4 63 178 5 +312.48 +/- 43.44
326337 ncm-dbt-03 1202506 500 200 27 273 +125.38 +/- 12.7 0 4 72 171 3 +288.06 +/- 40.46
326336 ncm-dbt-04 1220390 500 219 40 241 +130.14 +/- 14.23 0 7 66 168 9 +288.06 +/- 42.4
326335 ncm-dbt-01 1170494 500 216 45 239 +123.81 +/- 12.73 0 5 71 172 2 +285.49 +/- 40.81
326334 ncm-dbt-03 1195321 500 219 46 235 +125.38 +/- 13.07 0 6 68 173 3 +288.06 +/- 41.76
326333 ncm-dbt-06 1191038 500 219 33 248 +135.76 +/- 12.21 0 3 61 183 3 +324.17 +/- 44.15
326332 ncm-dbt-04 1193922 500 213 46 241 +120.67 +/- 13.5 0 4 82 157 7 +263.42 +/- 37.69
326331 ncm-dbt-01 1174152 500 216 39 245 +128.55 +/- 12.82 0 2 75 167 6 +290.66 +/- 39.4
326330 ncm-dbt-03 1197899 500 219 41 240 +129.35 +/- 13.17 0 5 67 173 5 +295.94 +/- 42.08
326329 ncm-dbt-06 1194930 500 220 33 247 +136.56 +/- 12.98 0 6 55 185 4 +324.17 +/- 46.56
326328 ncm-dbt-01 1170129 500 218 37 245 +131.74 +/- 12.93 0 3 69 172 6 +301.33 +/- 41.33
326327 ncm-dbt-04 1222503 500 204 41 255 +117.55 +/- 13.0 0 5 80 162 3 +263.42 +/- 38.27
326326 ncm-dbt-03 1206613 500 215 35 250 +130.94 +/- 13.14 0 4 68 172 6 +298.62 +/- 41.71
326325 ncm-dbt-06 1185649 500 231 32 237 +146.36 +/- 12.61 0 3 52 188 7 +352.8 +/- 48.05
326324 ncm-dbt-04 1195177 500 213 39 248 +126.17 +/- 13.06 0 6 67 174 3 +290.66 +/- 42.08
326323 ncm-dbt-01 1171020 500 209 37 254 +124.6 +/- 14.64 1 11 57 177 4 +285.49 +/- 45.11
326322 ncm-dbt-03 1207063 500 220 33 247 +136.56 +/- 14.27 0 6 62 171 11 +304.07 +/- 43.81
326321 ncm-dbt-06 1183933 500 215 39 246 +127.76 +/- 13.92 0 7 67 169 7 +285.49 +/- 42.08
326320 ncm-dbt-03 1200894 500 216 35 249 +131.74 +/- 12.54 0 4 64 179 3 +309.64 +/- 43.08
326319 ncm-dbt-04 1202198 500 220 35 245 +134.95 +/- 13.41 1 3 62 178 6 +315.35 +/- 43.81
326318 ncm-dbt-01 1170183 500 217 34 249 +133.34 +/- 13.81 0 7 60 176 7 +304.07 +/- 44.5
326317 ncm-dbt-06 1195360 500 216 35 249 +131.74 +/- 13.85 0 7 62 174 7 +298.62 +/- 43.77
326316 ncm-dbt-03 1201070 500 220 30 250 +138.99 +/- 12.3 0 3 58 185 4 +333.32 +/- 45.35
326315 ncm-dbt-04 1194992 500 225 36 239 +138.18 +/- 11.91 0 0 66 179 5 +327.17 +/- 41.95
326314 ncm-dbt-01 1179012 500 219 43 238 +127.76 +/- 13.02 0 5 68 173 4 +293.29 +/- 41.75
326313 ncm-dbt-06 1195286 500 234 43 223 +139.81 +/- 14.01 0 6 57 177 10 +318.25 +/- 45.73
326312 ncm-dbt-01 1159722 500 216 37 247 +130.14 +/- 13.7 0 5 69 168 8 +290.66 +/- 41.43
326311 ncm-dbt-03 1193523 500 226 37 237 +138.18 +/- 13.69 0 5 60 176 9 +315.35 +/- 44.57
326310 ncm-dbt-04 1202775 500 220 34 246 +135.76 +/- 14.12 0 4 68 166 12 +298.62 +/- 41.71
326309 ncm-dbt-06 1190615 500 212 41 247 +123.81 +/- 13.81 1 3 77 162 7 +275.45 +/- 39.01
326308 ncm-dbt-04 1201000 500 225 39 236 +135.76 +/- 14.47 1 6 58 176 9 +309.64 +/- 45.27
326307 ncm-dbt-01 1170335 500 221 43 236 +129.35 +/- 13.54 0 7 63 175 5 +295.94 +/- 43.42
326306 ncm-dbt-06 1190289 500 220 43 237 +128.55 +/- 13.73 0 6 68 169 7 +288.06 +/- 41.76
326305 ncm-dbt-03 1197059 500 217 39 244 +129.35 +/- 13.9 0 4 74 162 10 +282.94 +/- 39.86

Commit

Commit ID 56b342f9b27827e77cb9e898aa2ed69b628d672f
Author FauziAkram
Date 2024-02-03 16:09:05 UTC
Simplify the extension formula Simplify the extension formula in the case of cutNode by removing the depth condition and always setting extension to -2. Passed STC: LLR: 2.97 (-2.94,2.94) <-1.75,0.25> Total: 277280 W: 70760 L: 70802 D: 135718 Ptnml(0-2): 971, 31775, 73153, 31807, 934 https://tests.stockfishchess.org/tests/view/65ad08f779aa8af82b979dd6 Passed LTC: LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 452976 W: 112992 L: 113215 D: 226769 Ptnml(0-2): 266, 51041, 124112, 50788, 281 https://tests.stockfishchess.org/tests/view/65ae466fc865510db026a760 closes https://github.com/official-stockfish/Stockfish/pull/5021 Bench: 1492957
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