Dev Builds » 20240509-0656

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 11:47:25 1109856 4026 1763 336 1927 +128.73 ± 4.73 0 40 557 1365 51 +290.37 ± 14.44
ncm-dbt-02 11:43:52 1199744 3988 1719 314 1955 +127.88 ± 4.76 0 46 541 1363 44 +289.72 ± 14.66
ncm-dbt-03 11:47:07 1201283 4016 1790 294 1932 +135.96 ± 4.79 0 38 503 1400 67 +309.4 ± 15.2
ncm-dbt-05 11:44:26 1201195 3966 1749 303 1914 +132.78 ± 4.72 1 22 553 1344 63 +299.93 ± 14.44
ncm-dbt-06 11:47:30 1191617 4004 1732 311 1961 +128.91 ± 4.73 0 44 538 1375 45 +292.83 ± 14.7
20000 8753 1558 9689 +130.84 ± 2.12 1 190 2692 6847 270 +296.34 ± 6.56

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
367178 ncm-dbt-06 1187701 4 2 1 1 +88.51 ± 137.63 0 0 1 1 0 +190.5 ± 634.21
367177 ncm-dbt-03 1191422 16 8 2 6 +136.89 ± 61.78 0 0 2 6 0 +337.87 ± 515.83
367176 ncm-dbt-01 1094095 26 12 1 13 +156.79 ± 41.95 0 0 2 11 0 +431.5 ± 465.32
367175 ncm-dbt-05 1192819 466 201 37 228 +127.73 ± 14.41 1 3 67 155 7 +286.85 ± 41.99
367174 ncm-dbt-02 1194816 488 202 35 251 +123.89 ± 13.49 0 6 69 165 4 +280.44 ± 41.43
367173 ncm-dbt-06 1194691 500 223 38 239 +134.95 ± 13.03 0 2 69 171 8 +306.84 ± 41.23
367172 ncm-dbt-03 1198062 500 224 42 234 +132.54 ± 14.01 0 7 62 173 8 +298.62 ± 43.77
367171 ncm-dbt-01 1099922 500 219 38 243 +131.74 ± 13.67 0 6 64 173 7 +298.62 ± 43.1
367170 ncm-dbt-05 1200840 500 216 38 246 +129.35 ± 14.58 0 6 72 160 12 +277.93 ± 40.53
367169 ncm-dbt-02 1196093 500 222 45 233 +128.55 ± 13.56 0 6 67 171 6 +290.66 ± 42.08
367168 ncm-dbt-03 1201164 500 227 40 233 +136.56 ± 13.92 0 5 63 172 10 +306.84 ± 43.45
367167 ncm-dbt-06 1190211 500 214 36 250 +129.35 ± 13.9 0 9 59 177 5 +295.94 ± 44.72
367166 ncm-dbt-01 1118962 500 220 44 236 +127.76 ± 14.1 0 6 71 164 9 +280.42 ± 40.83
367165 ncm-dbt-05 1205217 500 209 33 258 +127.76 ± 13.02 0 2 77 164 7 +285.49 ± 38.83
367164 ncm-dbt-02 1196810 500 218 39 243 +130.14 ± 14.57 0 10 59 173 8 +290.66 ± 44.63
367163 ncm-dbt-06 1192707 500 212 38 250 +126.17 ± 13.06 0 3 76 165 6 +282.94 ± 39.21
367162 ncm-dbt-03 1206681 500 223 37 240 +135.76 ± 12.21 0 3 61 183 3 +324.17 ± 44.15
367161 ncm-dbt-01 1121323 500 220 44 236 +127.76 ± 13.57 0 6 68 170 6 +288.06 ± 41.76
367160 ncm-dbt-05 1195988 500 224 33 243 +139.81 ± 12.67 0 2 62 179 7 +327.18 ± 43.69
367159 ncm-dbt-02 1195911 500 214 42 244 +124.6 ± 13.27 0 5 73 167 5 +280.42 ± 40.21
367158 ncm-dbt-03 1197450 500 219 31 250 +137.37 ± 13.71 0 5 61 175 9 +312.48 ± 44.19
367157 ncm-dbt-06 1186978 500 218 41 241 +128.55 ± 13.19 0 5 68 172 5 +293.29 ± 41.75
367156 ncm-dbt-01 1114893 500 223 40 237 +133.34 ± 13.26 0 2 72 167 9 +298.62 ± 40.29
367155 ncm-dbt-02 1195850 500 207 30 263 +128.55 ± 13.38 0 4 72 167 7 +288.06 ± 40.46
367154 ncm-dbt-05 1195519 500 223 42 235 +131.74 ± 12.93 0 3 69 172 6 +301.33 ± 41.33
367153 ncm-dbt-06 1192513 500 218 52 230 +119.89 ± 13.85 0 9 70 167 4 +268.17 ± 41.1
367152 ncm-dbt-03 1197540 500 217 36 247 +131.74 ± 12.74 0 4 65 177 4 +306.84 ± 42.73
367151 ncm-dbt-01 1106844 500 211 38 251 +125.38 ± 12.32 0 3 73 172 2 +290.66 ± 40.08
367150 ncm-dbt-02 1197778 500 221 43 236 +129.35 ± 13.54 0 7 63 175 5 +295.94 ± 43.42
367149 ncm-dbt-05 1197871 500 217 43 240 +126.17 ± 13.6 0 6 70 168 6 +282.94 ± 41.13
367148 ncm-dbt-06 1195802 500 215 32 253 +133.34 ± 12.69 0 4 63 179 4 +312.48 ± 43.44
367147 ncm-dbt-03 1204367 500 225 32 243 +141.44 ± 13.96 0 5 58 176 11 +321.19 ± 45.36
367146 ncm-dbt-01 1112765 500 225 46 229 +130.14 ± 13.52 0 6 65 173 6 +295.94 ± 42.75
367145 ncm-dbt-05 1196048 500 230 37 233 +141.43 ± 12.61 0 0 66 175 9 +327.17 ± 41.95
367144 ncm-dbt-02 1193422 500 223 34 243 +138.18 ± 11.7 0 2 59 187 2 +336.46 ± 44.87
367143 ncm-dbt-03 1212991 500 218 40 242 +129.35 ± 14.75 0 8 67 164 11 +280.42 ± 42.05
367142 ncm-dbt-06 1190034 500 210 36 254 +126.17 ± 13.42 0 6 69 170 5 +285.49 ± 41.44
367141 ncm-dbt-01 1109188 500 211 43 246 +121.45 ± 13.31 0 5 77 163 5 +270.57 ± 39.07
367140 ncm-dbt-05 1225265 500 229 40 231 +138.18 ± 12.73 0 0 70 171 9 +315.34 ± 40.62
367139 ncm-dbt-06 1193920 500 220 37 243 +133.34 ± 13.81 0 6 63 173 8 +301.33 ± 43.45
367138 ncm-dbt-03 1201870 500 229 34 237 +143.07 ± 13.15 0 1 64 174 11 +327.18 ± 42.83
367137 ncm-dbt-02 1227273 500 212 46 242 +119.89 ± 13.85 0 6 79 158 7 +261.07 ± 38.58
367136 ncm-dbt-01 1110719 500 222 42 236 +130.94 ± 13.69 0 6 65 172 7 +295.94 ± 42.75

Commit

Commit ID 23439e4096bc28deb2e4e935f24c5ddb22999dc5
Author Michael Chaly
Date 2024-05-09 06:56:36 UTC
Remove conthist 3 from moves loop pruning Followup to previous gainer that made it twice less impactful there - this patch removes it entirely as a simplification. Passed STC: https://tests.stockfishchess.org/tests/view/6637aa7e9819650825aa93e0 LLR: 2.93 (-2.94,2.94) <-1.75,0.25> Total: 26208 W: 6930 L: 6694 D: 12584 Ptnml(0-2): 113, 2997, 6652, 3225, 117 Passed LTC: https://tests.stockfishchess.org/tests/view/66383cba493aaaf4b7ea90c2 LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 67866 W: 17294 L: 17118 D: 33454 Ptnml(0-2): 46, 7627, 18415, 7795, 50 closes https://github.com/official-stockfish/Stockfish/pull/5221 Bench: 2691699
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