Dev Builds » 20240526-1832

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 11:43:08 1206744 4030 1781 277 1972 +136.24 +/- 4.67 2 32 495 1432 54 +315.78 +/- 15.33
ncm-dbt-02 11:30:33 1200181 3960 1725 305 1930 +130.38 +/- 4.93 1 44 533 1338 64 +291.55 +/- 14.77
ncm-dbt-03 11:38:52 1235199 4016 1797 317 1902 +134.36 +/- 4.75 0 35 521 1389 63 +305.23 +/- 14.93
ncm-dbt-05 11:33:03 1199064 3988 1743 310 1935 +130.68 +/- 4.74 2 35 534 1374 49 +298.01 +/- 14.75
ncm-dbt-06 11:38:30 1235360 4006 1778 312 1916 +133.32 +/- 4.84 1 41 515 1383 63 +301.98 +/- 15.03
20000 8824 1521 9655 +133.0 +/- 2.14 6 187 2598 6916 293 +302.42 +/- 6.68

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
368780 ncm-dbt-06 1234277 6 2 1 3 +58.33 +/- 98.71 0 0 2 1 0 +120.24 +/- 264.77
368779 ncm-dbt-03 1234816 16 6 0 10 +136.89 +/- 61.78 0 0 2 6 0 +337.87 +/- 515.83
368778 ncm-dbt-01 1221843 30 15 3 12 +147.13 +/- 57.51 0 0 4 10 1 +325.08 +/- 234.24
368777 ncm-dbt-02 1198900 460 194 36 230 +124.39 +/- 14.2 0 5 68 151 6 +275.99 +/- 41.7
368776 ncm-dbt-05 1195536 488 209 45 234 +121.48 +/- 13.15 0 5 73 163 3 +275.35 +/- 40.19
368775 ncm-dbt-06 1255021 500 222 42 236 +130.94 +/- 14.21 1 6 62 174 7 +298.62 +/- 43.77
368774 ncm-dbt-03 1244241 500 220 34 246 +135.76 +/- 12.81 0 4 61 180 5 +318.25 +/- 44.18
368773 ncm-dbt-01 1211528 500 224 31 245 +141.44 +/- 13.4 0 5 55 182 8 +330.23 +/- 46.62
368772 ncm-dbt-02 1195448 500 212 39 249 +125.38 +/- 13.25 0 5 72 168 5 +282.94 +/- 40.5
368771 ncm-dbt-05 1196331 500 220 28 252 +140.62 +/- 13.62 1 4 54 184 7 +333.32 +/- 47.06
368770 ncm-dbt-06 1221339 500 224 34 242 +138.99 +/- 12.7 0 2 63 178 7 +324.17 +/- 43.32
368769 ncm-dbt-03 1261940 500 226 33 241 +141.44 +/- 12.81 0 4 55 185 6 +336.46 +/- 46.65
368768 ncm-dbt-01 1219698 500 219 31 250 +137.37 +/- 12.56 0 1 67 175 7 +318.25 +/- 41.77
368767 ncm-dbt-02 1198990 500 213 37 250 +127.76 +/- 14.27 0 7 69 165 9 +280.42 +/- 41.44
368766 ncm-dbt-05 1198793 500 214 42 244 +124.6 +/- 13.97 0 7 71 165 7 +275.45 +/- 40.84
368765 ncm-dbt-06 1240040 500 218 32 250 +135.76 +/- 13.01 0 4 62 178 6 +315.35 +/- 43.81
368764 ncm-dbt-03 1221956 500 228 49 223 +130.14 +/- 13.52 0 6 65 173 6 +295.94 +/- 42.75
368763 ncm-dbt-01 1222995 500 220 31 249 +138.18 +/- 13.12 0 8 48 191 3 +333.32 +/- 49.54
368762 ncm-dbt-02 1197600 500 232 38 230 +142.25 +/- 14.3 0 6 56 176 12 +321.19 +/- 46.14
368761 ncm-dbt-05 1209823 500 230 45 225 +134.95 +/- 14.48 1 6 59 175 9 +306.84 +/- 44.88
368760 ncm-dbt-06 1225974 500 207 36 257 +123.81 +/- 14.65 0 11 64 168 7 +273.0 +/- 42.83
368759 ncm-dbt-03 1229136 500 225 43 232 +132.54 +/- 14.18 0 4 72 162 12 +288.06 +/- 40.46
368758 ncm-dbt-01 1164420 500 212 25 263 +136.56 +/- 13.17 0 5 59 180 6 +318.25 +/- 44.96
368757 ncm-dbt-02 1196700 500 216 30 254 +135.76 +/- 13.57 1 5 56 183 5 +321.19 +/- 46.14
368756 ncm-dbt-05 1196776 500 218 32 250 +135.76 +/- 12.42 0 1 68 175 6 +315.35 +/- 41.44
368755 ncm-dbt-03 1235834 500 230 39 231 +139.81 +/- 13.07 0 3 61 178 8 +324.17 +/- 44.15
368754 ncm-dbt-06 1231823 500 229 47 224 +132.54 +/- 13.47 0 4 68 170 8 +298.62 +/- 41.71
368753 ncm-dbt-01 1204294 500 219 38 243 +131.74 +/- 13.12 1 1 70 172 6 +304.07 +/- 40.91
368752 ncm-dbt-02 1197062 500 214 37 249 +128.55 +/- 13.73 0 6 68 169 7 +288.06 +/- 41.76
368751 ncm-dbt-05 1197365 500 222 34 244 +137.37 +/- 12.36 0 3 60 183 4 +327.18 +/- 44.54
368750 ncm-dbt-03 1245942 500 219 41 240 +129.35 +/- 13.72 0 4 73 164 9 +285.49 +/- 40.16
368749 ncm-dbt-06 1262240 500 220 39 241 +131.74 +/- 13.67 0 4 70 167 9 +293.29 +/- 41.07
368748 ncm-dbt-01 1210003 500 221 36 243 +134.95 +/- 13.41 0 5 62 176 7 +309.64 +/- 43.82
368747 ncm-dbt-02 1197061 500 222 45 233 +128.55 +/- 14.59 0 8 67 165 10 +280.42 +/- 42.05
368746 ncm-dbt-05 1196098 500 219 50 231 +122.24 +/- 13.83 0 6 76 161 7 +268.17 +/- 39.39
368745 ncm-dbt-03 1238754 500 218 34 248 +134.15 +/- 13.24 0 2 71 168 9 +301.33 +/- 40.6
368744 ncm-dbt-06 1214440 500 236 36 228 +147.19 +/- 13.58 0 5 50 185 10 +346.12 +/- 48.95
368743 ncm-dbt-01 1199579 500 229 36 235 +141.44 +/- 13.78 1 1 63 174 11 +324.17 +/- 43.32
368742 ncm-dbt-02 1219690 500 222 43 235 +130.14 +/- 13.52 0 2 77 161 10 +285.49 +/- 38.83
368741 ncm-dbt-05 1201790 500 211 34 255 +128.55 +/- 13.01 0 3 73 168 6 +290.66 +/- 40.08
368740 ncm-dbt-06 1233089 500 220 45 235 +126.97 +/- 13.94 0 5 74 162 9 +277.93 +/- 39.92
368739 ncm-dbt-03 1204177 500 225 44 231 +131.74 +/- 14.2 0 8 61 173 8 +295.94 +/- 44.08
368738 ncm-dbt-01 1206344 500 222 46 232 +127.76 +/- 13.39 0 6 67 172 5 +290.66 +/- 42.08

Commit

Commit ID 8e1f273c7d10e2b49c07cdc16b09a3d4574acf4c
Author Shahin M. Shahin
Date 2024-05-26 18:32:41 UTC
Remove rootDelta branch This makes rootDelta logic easier to understand, recalculating the value where it belongs so removes an unnecessary branch. Passed non-regression STC: https://tests.stockfishchess.org/tests/view/664fc147a86388d5e27d8d8e LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 206016 W: 53120 L: 53089 D: 99807 Ptnml(0-2): 591, 20928, 59888, 21061, 540 closes https://github.com/official-stockfish/Stockfish/pull/5289 No functional change
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