Dev Builds » 20240428-1946

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 11:43:21 1214337 4006 1811 309 1886 +136.94 +/- 4.79 1 35 495 1405 67 +313.14 +/- 15.33
ncm-dbt-02 11:38:36 1228908 3984 1739 262 1983 +135.25 +/- 4.73 0 37 498 1400 57 +310.25 +/- 15.28
ncm-dbt-03 11:43:55 1237975 4024 1804 291 1929 +137.37 +/- 4.84 1 37 496 1404 74 +312.27 +/- 15.31
ncm-dbt-05 11:40:17 1225213 3986 1819 304 1863 +139.03 +/- 4.71 0 28 491 1405 69 +319.38 +/- 15.38
ncm-dbt-06 11:43:56 1229093 4000 1751 276 1973 +134.45 +/- 4.9 1 42 508 1379 70 +303.38 +/- 15.13
20000 8924 1442 9634 +136.61 +/- 2.14 3 179 2488 6993 337 +311.63 +/- 6.83

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
360201 ncm-dbt-01 1251094 6 3 0 3 +190.46 +/- 18.51 0 0 0 3 0 +1199.83 +/- 276.48
360200 ncm-dbt-03 1217837 24 11 1 12 +154.06 +/- 67.07 0 0 3 8 1 +337.92 +/- 423.6
360199 ncm-dbt-02 1212970 484 207 32 245 +131.57 +/- 13.0 0 5 60 174 3 +308.76 +/- 44.56
360198 ncm-dbt-05 1210384 486 226 40 220 +140.1 +/- 13.71 0 2 64 166 11 +315.47 +/- 42.92
360197 ncm-dbt-06 1240633 500 218 34 248 +134.15 +/- 13.05 0 3 67 173 7 +306.84 +/- 41.99
360196 ncm-dbt-01 1217945 500 226 49 225 +128.55 +/- 14.59 1 4 73 161 11 +280.42 +/- 40.21
360195 ncm-dbt-03 1251591 500 221 28 251 +141.44 +/- 12.81 1 2 55 187 5 +342.85 +/- 46.64
360194 ncm-dbt-02 1222705 500 227 21 252 +152.18 +/- 13.16 0 4 46 190 10 +366.78 +/- 51.18
360193 ncm-dbt-05 1250037 500 226 38 236 +137.37 +/- 13.53 0 4 63 174 9 +312.48 +/- 43.44
360192 ncm-dbt-06 1230687 500 211 44 245 +120.67 +/- 13.15 0 4 80 161 5 +268.17 +/- 38.21
360191 ncm-dbt-03 1234472 500 216 43 241 +125.38 +/- 13.96 0 6 73 163 8 +275.45 +/- 40.24
360190 ncm-dbt-01 1226061 500 223 38 239 +134.95 +/- 13.22 0 4 64 175 7 +309.64 +/- 43.08
360189 ncm-dbt-02 1241423 500 226 35 239 +139.81 +/- 13.45 0 3 63 174 10 +318.25 +/- 43.39
360188 ncm-dbt-05 1243484 500 232 49 219 +133.34 +/- 13.81 0 6 63 173 8 +301.33 +/- 43.45
360187 ncm-dbt-06 1251274 500 218 30 252 +137.37 +/- 14.08 0 9 51 183 7 +318.25 +/- 47.96
360186 ncm-dbt-03 1235213 500 233 40 227 +141.44 +/- 13.78 0 5 57 178 10 +324.17 +/- 45.77
360185 ncm-dbt-01 1244739 500 231 28 241 +149.68 +/- 13.27 0 4 49 187 10 +356.21 +/- 49.54
360184 ncm-dbt-05 1218259 500 217 29 254 +137.37 +/- 13.15 0 3 64 175 8 +315.35 +/- 43.03
360183 ncm-dbt-02 1221168 500 212 37 251 +126.97 +/- 12.66 0 4 70 173 3 +293.29 +/- 41.07
360182 ncm-dbt-06 1245808 500 212 33 255 +130.14 +/- 13.16 0 4 69 171 6 +295.94 +/- 41.39
360181 ncm-dbt-01 1176391 500 224 32 244 +140.62 +/- 12.64 0 4 55 186 5 +336.46 +/- 46.65
360180 ncm-dbt-03 1224792 500 214 38 248 +127.76 +/- 13.21 0 4 72 168 6 +288.06 +/- 40.46
360179 ncm-dbt-02 1238198 500 218 36 246 +132.54 +/- 13.65 0 5 66 171 8 +298.62 +/- 42.41
360178 ncm-dbt-05 1228706 500 231 44 225 +136.56 +/- 13.73 0 4 65 171 10 +306.84 +/- 42.73
360177 ncm-dbt-06 1215594 500 223 37 240 +135.76 +/- 13.94 1 4 61 176 8 +312.48 +/- 44.19
360176 ncm-dbt-01 1190642 500 232 41 227 +139.81 +/- 14.01 0 5 60 174 11 +315.35 +/- 44.57
360175 ncm-dbt-03 1258123 500 229 27 244 +148.85 +/- 12.91 0 2 54 184 10 +352.8 +/- 47.05
360174 ncm-dbt-05 1211658 500 233 35 232 +145.54 +/- 13.45 0 5 51 185 9 +342.85 +/- 48.46
360173 ncm-dbt-02 1236871 500 222 38 240 +134.15 +/- 13.8 0 6 62 174 8 +304.07 +/- 43.81
360172 ncm-dbt-06 1223132 500 228 29 243 +146.36 +/- 14.9 0 8 49 179 14 +330.23 +/- 49.05
360171 ncm-dbt-01 1195489 500 229 43 228 +135.76 +/- 14.64 0 8 59 172 11 +301.33 +/- 44.81
360170 ncm-dbt-03 1228683 500 221 39 240 +132.54 +/- 13.83 0 5 67 169 9 +295.94 +/- 42.08
360169 ncm-dbt-05 1220531 500 226 34 240 +140.62 +/- 12.44 0 2 60 182 6 +333.32 +/- 44.47
360168 ncm-dbt-02 1239786 500 211 35 254 +127.76 +/- 13.75 0 6 69 168 7 +285.49 +/- 41.44
360167 ncm-dbt-06 1234803 500 220 37 243 +133.34 +/- 14.34 0 6 66 167 11 +293.29 +/- 42.41
360166 ncm-dbt-01 1243148 500 221 42 237 +130.14 +/- 13.16 0 5 66 174 5 +298.62 +/- 42.41
360165 ncm-dbt-03 1234229 500 228 36 236 +140.62 +/- 14.35 0 4 64 168 14 +309.64 +/- 43.08
360164 ncm-dbt-02 1218149 500 216 28 256 +137.37 +/- 13.34 0 4 62 176 8 +315.35 +/- 43.81
360163 ncm-dbt-05 1218647 500 228 35 237 +141.44 +/- 12.81 0 2 61 179 8 +330.23 +/- 44.08
360162 ncm-dbt-06 1190816 500 221 32 247 +138.18 +/- 14.06 0 4 65 169 12 +306.84 +/- 42.73
360161 ncm-dbt-01 1183532 500 222 36 242 +135.76 +/- 12.62 0 1 69 173 7 +312.48 +/- 41.11
360159 ncm-dbt-03 1256842 500 231 39 230 +140.62 +/- 14.7 0 9 51 179 11 +318.25 +/- 47.96

Commit

Commit ID 0fe64286457549d2f80cd7792088375aaa9bee55
Author Stefan Geschwentner
Date 2024-04-28 19:46:45 UTC
More reduction at cut nodes which are not a former PV node But the tt move and first killer are excluded. This idea is based on following LMR condition tuning https://tests.stockfishchess.org/tests/view/66228bed3fe04ce4cefc0c71 by using only the two largest terms P[0] and P[1]. Passed STC: LLR: 2.93 (-2.94,2.94) <0.00,2.00> Total: 173248 W: 45091 L: 44565 D: 83592 Ptnml(0-2): 693, 20534, 43673, 21002, 722 https://tests.stockfishchess.org/tests/view/6629603b3fe04ce4cefc7d37 Passed LTC: LLR: 2.94 (-2.94,2.94) <0.50,2.50> Total: 722394 W: 183231 L: 181487 D: 357676 Ptnml(0-2): 462, 80650, 197252, 82348, 485 https://tests.stockfishchess.org/tests/view/662cbe45d46f72253dcff7bf closes https://github.com/official-stockfish/Stockfish/pull/5199 Bench: 1619613
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