Dev Builds » 20240203-1626

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 14:41:36 1170228 4994 2221 408 2365 +132.16 +/- 4.33 0 52 659 1707 79 +297.57 +/- 13.28
ncm-dbt-03 14:41:25 1198423 4996 2197 387 2412 +131.86 +/- 4.25 2 40 674 1710 72 +299.0 +/- 13.11
ncm-dbt-04 14:42:45 1208946 5010 2185 394 2431 +129.94 +/- 4.24 0 46 691 1699 69 +292.91 +/- 12.95
ncm-dbt-06 14:41:19 1190047 5000 2180 391 2429 +130.07 +/- 4.34 1 62 650 1721 66 +294.34 +/- 13.37
20000 8783 1580 9637 +131.0 +/- 2.14 3 200 2674 6837 286 +295.94 +/- 6.58

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
326304 ncm-dbt-06 1188549 0 0 0 0 -0.0 +/- 1199.83 0 0 0 0 0 -0.0 +/- 1199.83
326303 ncm-dbt-04 1197283 10 4 1 5 +107.43 +/- 84.35 0 0 2 3 0 +240.65 +/- 570.11
326302 ncm-dbt-01 1168475 494 223 46 225 +130.26 +/- 13.63 0 9 55 180 3 +304.38 +/- 46.27
326301 ncm-dbt-03 1195502 496 218 32 246 +136.97 +/- 13.61 1 4 57 180 6 +322.55 +/- 45.77
326300 ncm-dbt-06 1188343 500 224 35 241 +138.18 +/- 13.32 0 4 61 177 8 +318.25 +/- 44.18
326299 ncm-dbt-04 1213680 500 216 34 250 +132.54 +/- 13.65 0 7 60 177 6 +304.07 +/- 44.5
326298 ncm-dbt-01 1175988 500 225 36 239 +138.18 +/- 13.12 0 3 63 176 8 +318.25 +/- 43.39
326297 ncm-dbt-03 1200168 500 220 40 240 +130.94 +/- 14.04 0 3 76 159 12 +282.94 +/- 39.21
326296 ncm-dbt-06 1191946 500 207 42 251 +119.11 +/- 14.03 1 3 84 154 8 +258.75 +/- 37.2
326295 ncm-dbt-04 1232046 500 219 43 238 +127.76 +/- 13.57 0 5 71 167 7 +285.49 +/- 40.81
326294 ncm-dbt-03 1194505 500 224 41 235 +133.34 +/- 14.34 0 7 63 170 10 +295.94 +/- 43.42
326293 ncm-dbt-01 1169111 500 222 40 238 +132.54 +/- 13.83 0 4 70 166 10 +293.29 +/- 41.07
326292 ncm-dbt-04 1187956 500 220 35 245 +134.95 +/- 12.24 0 2 65 179 4 +318.25 +/- 42.59
326291 ncm-dbt-06 1189016 500 206 48 246 +113.68 +/- 13.89 0 10 75 162 3 +251.89 +/- 39.67
326290 ncm-dbt-03 1194896 500 226 44 230 +132.54 +/- 14.53 1 6 62 172 9 +298.62 +/- 43.77
326289 ncm-dbt-01 1169216 500 224 39 237 +134.95 +/- 14.13 0 7 60 174 9 +304.07 +/- 44.5
326288 ncm-dbt-06 1187295 500 226 38 236 +137.37 +/- 13.15 0 5 58 181 6 +321.19 +/- 45.36
326287 ncm-dbt-04 1223746 500 218 40 242 +129.35 +/- 12.8 0 2 74 168 6 +293.29 +/- 39.69
326286 ncm-dbt-01 1168707 500 219 53 228 +119.89 +/- 13.33 0 5 79 161 5 +265.78 +/- 38.54
326285 ncm-dbt-03 1193768 500 223 33 244 +138.99 +/- 12.09 0 1 63 181 5 +330.23 +/- 43.2
326284 ncm-dbt-04 1197948 500 225 39 236 +135.76 +/- 13.76 0 5 63 173 9 +306.84 +/- 43.45
326283 ncm-dbt-06 1193117 500 216 40 244 +127.76 +/- 13.39 0 7 64 175 4 +293.29 +/- 43.07
326282 ncm-dbt-01 1165983 500 225 42 233 +133.34 +/- 13.45 0 5 64 174 7 +304.07 +/- 43.1
326281 ncm-dbt-03 1201715 500 227 38 235 +138.18 +/- 12.33 0 1 65 178 6 +324.17 +/- 42.47
326280 ncm-dbt-06 1185100 500 217 44 239 +125.38 +/- 14.3 0 9 66 168 7 +277.93 +/- 42.33
326279 ncm-dbt-04 1233812 500 220 49 231 +123.81 +/- 14.32 0 6 77 157 10 +265.78 +/- 39.12
326278 ncm-dbt-01 1172231 500 217 38 245 +130.14 +/- 14.23 0 4 75 159 12 +280.42 +/- 39.57
326277 ncm-dbt-03 1195570 500 200 36 264 +118.33 +/- 13.35 0 5 81 159 5 +261.07 +/- 38.02
326276 ncm-dbt-06 1188232 500 217 31 252 +135.76 +/- 14.29 0 7 60 173 10 +304.07 +/- 44.5
326275 ncm-dbt-04 1189876 500 207 35 258 +124.6 +/- 12.9 0 4 74 168 4 +282.94 +/- 39.86
326274 ncm-dbt-06 1186593 500 225 40 235 +134.95 +/- 14.13 0 5 66 168 11 +298.62 +/- 42.41
326273 ncm-dbt-01 1173998 500 231 35 234 +143.89 +/- 12.71 0 1 61 179 9 +336.46 +/- 43.96
326272 ncm-dbt-04 1197480 500 214 33 253 +131.74 +/- 13.49 0 6 63 175 6 +301.33 +/- 43.45
326271 ncm-dbt-03 1204701 500 217 48 235 +122.24 +/- 14.0 0 6 77 159 8 +265.78 +/- 39.12
326270 ncm-dbt-06 1192974 500 219 43 238 +127.76 +/- 13.21 0 7 63 177 3 +295.94 +/- 43.42
326269 ncm-dbt-03 1208643 500 222 39 239 +133.34 +/- 12.89 0 3 67 174 6 +306.84 +/- 41.99
326268 ncm-dbt-01 1167281 500 216 36 248 +130.94 +/- 13.87 0 5 69 167 9 +290.66 +/- 41.43
326267 ncm-dbt-04 1212091 500 224 47 229 +128.55 +/- 13.73 0 5 71 166 8 +285.49 +/- 40.81
326266 ncm-dbt-06 1199362 500 223 30 247 +141.44 +/- 13.01 0 5 53 186 6 +336.46 +/- 47.52
326265 ncm-dbt-03 1194766 500 220 36 244 +134.15 +/- 12.86 0 4 63 178 5 +312.48 +/- 43.44
326264 ncm-dbt-01 1171296 500 219 43 238 +127.76 +/- 14.27 0 9 63 171 7 +285.49 +/- 43.31
326263 ncm-dbt-04 1212497 500 218 38 244 +130.94 +/- 13.69 0 4 71 166 9 +290.66 +/- 40.76

Commit

Commit ID f2b6b5cfc9bd27c0595520c96f6e1f8416296f75
Author Viren6
Date 2024-02-03 16:26:42 UTC
Introduce Triple Extensions This replaces singularquietLMR with triple instead of double extending non-capture ttmoves that have value far below singularBeta. This threshold value is initially set to 200, there is scope for more scaling by reducing it as occured with double extensions. Passed STC: https://tests.stockfishchess.org/tests/view/65b683b8c865510db0274074 LLR: 2.95 (-2.94,2.94) <0.00,2.00> Total: 222912 W: 58141 L: 57535 D: 107236 Ptnml(0-2): 1063, 26244, 56154, 27014, 981 Passed LTC: https://tests.stockfishchess.org/tests/view/65bae6d4c865510db0278eb5 LLR: 2.94 (-2.94,2.94) <0.50,2.50> Total: 66306 W: 16825 L: 16440 D: 33041 Ptnml(0-2): 40, 7374, 17952, 7735, 52 closes https://github.com/official-stockfish/Stockfish/pull/5027 bench 1394701
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