Dev Builds » 20231021-0831

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 09:58:10 1091473 3334 1406 286 1642 +121.43 +/- 5.36 0 45 499 1081 42 +267.37 +/- 15.26
ncm-dbt-02 09:52:15 1205656 3332 1460 291 1581 +127.3 +/- 5.47 0 44 466 1099 57 +280.09 +/- 15.8
ncm-dbt-03 09:55:38 1219925 3342 1432 261 1649 +127.12 +/- 5.19 0 37 463 1134 37 +287.18 +/- 15.84
ncm-dbt-04 09:50:33 1229013 3330 1428 297 1605 +122.88 +/- 5.4 0 41 502 1072 50 +268.92 +/- 15.2
ncm-dbt-05 09:50:20 1226384 3328 1440 257 1631 +129.14 +/- 5.34 0 40 450 1125 49 +289.03 +/- 16.08
ncm-dbt-06 09:57:43 1226113 3334 1449 295 1590 +125.44 +/- 5.39 1 37 488 1089 52 +276.48 +/- 15.42
20000 8615 1687 9698 +125.54 +/- 2.19 1 244 2868 6600 287 +278.05 +/- 6.36

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
207048 ncm-dbt-05 1225736 328 144 25 159 +132.06 +/- 17.04 0 2 48 107 7 +289.96 +/- 49.71
207047 ncm-dbt-04 1227510 330 139 36 155 +112.18 +/- 17.54 0 6 54 101 4 +240.82 +/- 46.91
207046 ncm-dbt-02 1240622 332 145 36 151 +118.45 +/- 16.18 0 3 54 106 3 +262.57 +/- 46.73
207045 ncm-dbt-01 1090927 334 139 30 165 +117.69 +/- 15.8 0 2 57 105 3 +260.33 +/- 45.19
207044 ncm-dbt-03 1206763 342 150 24 168 +134.31 +/- 14.79 0 2 43 124 2 +319.09 +/- 52.86
207043 ncm-dbt-06 1222085 334 146 38 150 +116.52 +/- 16.77 0 2 61 98 6 +246.74 +/- 43.47
206953 ncm-dbt-06 1218354 500 211 45 244 +119.89 +/- 14.02 0 9 71 165 5 +265.78 +/- 40.81
206952 ncm-dbt-01 1100076 500 211 37 252 +126.17 +/- 13.6 0 5 73 165 7 +280.42 +/- 40.21
206951 ncm-dbt-02 1195617 500 222 36 242 +135.76 +/- 14.29 0 6 63 170 11 +301.33 +/- 43.45
206950 ncm-dbt-03 1211934 500 223 27 250 +143.89 +/- 11.65 0 1 56 189 4 +352.8 +/- 46.04
206949 ncm-dbt-05 1225888 500 224 47 229 +128.55 +/- 13.19 0 6 65 175 4 +295.94 +/- 42.75
206948 ncm-dbt-04 1234181 500 216 52 232 +118.33 +/- 13.86 0 8 75 162 5 +261.07 +/- 39.69
206947 ncm-dbt-06 1233095 500 216 39 245 +128.55 +/- 13.56 0 7 64 174 5 +293.29 +/- 43.07
206946 ncm-dbt-02 1198383 500 223 46 231 +128.55 +/- 14.42 0 9 63 170 8 +285.49 +/- 43.31
206945 ncm-dbt-01 1093098 500 210 44 246 +119.89 +/- 14.02 0 7 77 159 7 +261.07 +/- 39.14
206944 ncm-dbt-03 1207141 500 223 37 240 +135.76 +/- 14.47 0 8 58 174 10 +304.07 +/- 45.19
206943 ncm-dbt-04 1216161 500 216 38 246 +129.35 +/- 13.36 0 4 71 168 7 +290.66 +/- 40.76
206942 ncm-dbt-05 1237004 500 211 41 248 +123.02 +/- 13.65 0 5 77 161 7 +270.57 +/- 39.07
206941 ncm-dbt-06 1232116 500 221 49 230 +124.6 +/- 13.45 0 5 74 165 6 +277.93 +/- 39.92
206940 ncm-dbt-02 1198554 500 216 43 241 +125.38 +/- 13.79 0 6 72 165 7 +277.93 +/- 40.53
206939 ncm-dbt-01 1078211 500 218 36 246 +132.54 +/- 14.01 0 7 62 173 8 +298.62 +/- 43.77
206938 ncm-dbt-03 1225088 500 204 42 254 +116.77 +/- 13.54 0 6 81 158 5 +256.44 +/- 38.07
206937 ncm-dbt-05 1232639 500 219 36 245 +133.34 +/- 14.17 0 8 59 175 8 +301.33 +/- 44.81
206936 ncm-dbt-04 1241418 500 217 43 240 +126.17 +/- 14.46 0 9 66 167 8 +277.93 +/- 42.33
206935 ncm-dbt-06 1229034 500 221 44 235 +128.55 +/- 13.91 0 3 78 158 11 +277.93 +/- 38.66
206934 ncm-dbt-01 1094094 500 201 49 250 +109.07 +/- 14.84 0 13 78 153 6 +232.26 +/- 38.82
206933 ncm-dbt-02 1195025 500 223 42 235 +131.74 +/- 14.2 0 6 67 167 10 +290.66 +/- 42.08
206932 ncm-dbt-05 1225541 500 213 40 247 +125.38 +/- 14.63 0 10 65 167 8 +275.45 +/- 42.59
206931 ncm-dbt-03 1217440 500 213 41 246 +124.6 +/- 13.45 0 7 68 171 4 +282.94 +/- 41.76
206930 ncm-dbt-04 1242808 500 220 42 238 +129.35 +/- 13.9 0 6 68 168 8 +288.06 +/- 41.76
206929 ncm-dbt-01 1092997 500 222 39 239 +133.34 +/- 12.69 0 3 66 176 5 +309.64 +/- 42.33
206928 ncm-dbt-02 1196424 500 214 44 242 +123.02 +/- 14.16 0 6 77 158 9 +265.78 +/- 39.12
206927 ncm-dbt-06 1231339 500 213 41 246 +124.6 +/- 13.62 0 5 75 163 7 +275.45 +/- 39.63
206926 ncm-dbt-03 1253435 500 213 42 245 +123.81 +/- 13.81 0 6 74 163 7 +273.0 +/- 39.95
206925 ncm-dbt-05 1213942 500 205 33 262 +124.6 +/- 13.45 0 6 71 168 5 +280.42 +/- 40.83
206924 ncm-dbt-04 1218549 500 208 37 255 +123.81 +/- 13.46 0 3 81 158 8 +270.57 +/- 37.86
206923 ncm-dbt-05 1223938 500 224 35 241 +138.18 +/- 13.5 0 3 65 172 10 +312.48 +/- 42.67
206922 ncm-dbt-06 1216771 500 221 39 240 +132.54 +/- 15.03 1 6 65 166 12 +290.66 +/- 42.73
206921 ncm-dbt-02 1214969 500 217 44 239 +125.38 +/- 14.47 0 8 70 163 9 +273.0 +/- 41.13
206920 ncm-dbt-01 1090912 500 205 51 244 +110.6 +/- 14.06 0 8 86 150 6 +236.51 +/- 36.93
206919 ncm-dbt-04 1222470 500 212 49 239 +117.55 +/- 14.2 0 5 87 148 10 +247.41 +/- 36.56
206918 ncm-dbt-03 1217677 500 206 48 246 +113.68 +/- 13.72 0 7 83 155 5 +247.41 +/- 37.61

Commit

Commit ID 90c18b0b500a5226717353a37a82cd026d71b616
Author FauziAkram
Date 2023-10-21 08:31:51 UTC
Removing history condition Removing the bad history condition from the skip futility pruning formula. Passed STC: LLR: 2.93 (-2.94,2.94) <-1.75,0.25> Total: 142688 W: 36420 L: 36317 D: 69951 Ptnml(0-2): 481, 16653, 36970, 16762, 478 https://tests.stockfishchess.org/tests/view/65270a663125598fc7eb8c67 Passed LTC: LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 435378 W: 110723 L: 110925 D: 213730 Ptnml(0-2): 278, 47251, 122788, 47139, 233 https://tests.stockfishchess.org/tests/view/6528595f3125598fc7eba8f5 closes https://github.com/official-stockfish/Stockfish/pull/4834 Bench: 1110579
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