Dev Builds » 20230412-1838

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 09:57:55 1220651 3334 1390 332 1612 +114.2 +/- 5.41 1 54 531 1048 33 +249.35 +/- 14.79
ncm-dbt-02 09:54:42 1229003 3318 1410 309 1599 +119.82 +/- 5.39 0 48 502 1069 40 +263.15 +/- 15.21
ncm-dbt-03 09:58:17 1238016 3332 1398 312 1622 +117.53 +/- 5.51 1 59 498 1069 39 +257.05 +/- 15.28
ncm-dbt-04 09:59:04 1222908 3344 1419 313 1612 +119.4 +/- 5.42 1 40 534 1046 51 +258.51 +/- 14.72
ncm-dbt-05 09:55:17 1224059 3336 1389 307 1640 +116.91 +/- 5.5 0 51 534 1033 50 +251.16 +/- 14.74
ncm-dbt-06 09:58:45 1229350 3336 1379 307 1650 +115.75 +/- 5.41 0 56 519 1058 35 +252.86 +/- 14.96
20000 8385 1880 9735 +117.26 +/- 2.22 3 308 3118 6323 248 +255.3 +/- 6.1

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
183800 ncm-dbt-02 1230633 318 130 25 163 +119.18 +/- 15.9 0 3 49 106 1 +271.84 +/- 49.24
183799 ncm-dbt-05 1219117 336 139 38 159 +107.76 +/- 16.73 0 5 60 100 3 +231.91 +/- 44.29
183798 ncm-dbt-03 1223002 332 135 32 165 +111.46 +/- 15.92 0 3 59 102 2 +245.44 +/- 44.47
183797 ncm-dbt-01 1242952 334 140 34 160 +114.21 +/- 17.69 1 7 45 113 1 +260.33 +/- 51.33
183796 ncm-dbt-06 1227572 336 131 33 172 +104.36 +/- 17.3 0 7 59 99 3 +222.65 +/- 44.79
183795 ncm-dbt-04 1227257 344 150 26 168 +131.13 +/- 15.88 0 3 46 119 4 +299.75 +/- 51.05
183782 ncm-dbt-02 1210669 500 213 44 243 +122.24 +/- 14.17 0 8 72 163 7 +268.17 +/- 40.54
183781 ncm-dbt-03 1217744 500 220 48 232 +124.6 +/- 14.14 0 7 72 163 8 +273.0 +/- 40.54
183780 ncm-dbt-01 1210508 500 219 53 228 +119.89 +/- 14.02 0 7 77 159 7 +261.07 +/- 39.14
183779 ncm-dbt-05 1215328 500 202 45 253 +112.91 +/- 14.54 0 12 74 159 5 +245.2 +/- 39.87
183778 ncm-dbt-06 1246993 500 214 45 241 +122.24 +/- 14.0 0 7 74 162 7 +268.17 +/- 39.97
183777 ncm-dbt-04 1211801 500 208 66 226 +101.46 +/- 14.78 1 10 91 142 6 +213.85 +/- 35.9
183770 ncm-dbt-02 1221523 500 215 51 234 +118.33 +/- 13.86 0 9 72 165 4 +263.42 +/- 40.52
183769 ncm-dbt-03 1237292 500 214 48 238 +119.89 +/- 14.02 0 7 77 159 7 +261.07 +/- 39.14
183768 ncm-dbt-01 1227634 500 200 56 244 +102.97 +/- 14.18 0 11 88 147 4 +219.87 +/- 36.54
183767 ncm-dbt-05 1213006 500 223 56 221 +120.67 +/- 14.83 0 6 84 147 13 +249.64 +/- 37.33
183766 ncm-dbt-04 1215695 500 214 38 248 +127.76 +/- 13.92 0 5 73 163 9 +280.42 +/- 40.21
183765 ncm-dbt-06 1219229 500 205 48 247 +112.91 +/- 14.69 0 13 72 160 5 +245.2 +/- 40.36
183758 ncm-dbt-02 1233633 500 206 48 246 +113.68 +/- 12.5 0 3 88 157 2 +254.16 +/- 36.15
183757 ncm-dbt-01 1241118 500 216 47 237 +122.24 +/- 14.17 0 7 75 160 8 +265.78 +/- 39.69
183756 ncm-dbt-03 1237032 500 203 43 254 +115.22 +/- 15.0 0 12 74 156 8 +245.2 +/- 39.87
183755 ncm-dbt-05 1234037 500 208 54 238 +110.6 +/- 14.38 0 9 85 149 7 +234.38 +/- 37.19
183754 ncm-dbt-06 1218918 500 211 33 256 +129.35 +/- 13.36 0 3 74 165 8 +288.06 +/- 39.79
183753 ncm-dbt-04 1222232 500 224 43 233 +131.74 +/- 14.2 0 2 79 155 14 +280.42 +/- 38.28
183746 ncm-dbt-02 1227892 500 212 45 243 +120.67 +/- 14.67 0 10 71 161 8 +261.07 +/- 40.78
183745 ncm-dbt-03 1253448 500 216 43 241 +125.39 +/- 14.63 1 8 65 169 7 +280.42 +/- 42.65
183744 ncm-dbt-01 1225497 500 209 51 240 +113.68 +/- 14.05 0 10 76 160 4 +249.64 +/- 39.41
183743 ncm-dbt-05 1226658 500 204 33 263 +123.81 +/- 13.81 0 6 74 163 7 +273.0 +/- 39.95
183742 ncm-dbt-04 1203257 500 207 50 243 +112.91 +/- 13.73 0 8 81 157 4 +247.41 +/- 38.13
183741 ncm-dbt-06 1237001 500 205 63 232 +101.46 +/- 14.17 0 10 93 142 5 +213.85 +/- 35.47
183734 ncm-dbt-01 1183369 500 209 47 244 +116.77 +/- 13.54 0 6 81 158 5 +256.44 +/- 38.07
183733 ncm-dbt-02 1226726 500 209 46 245 +117.55 +/- 15.0 0 11 74 156 9 +249.64 +/- 39.91
183732 ncm-dbt-05 1219382 500 202 51 247 +108.3 +/- 14.21 0 9 87 148 6 +230.16 +/- 36.73
183731 ncm-dbt-03 1251386 500 205 49 246 +112.14 +/- 13.39 0 9 77 163 1 +251.89 +/- 39.16
183730 ncm-dbt-06 1230799 500 210 44 246 +119.89 +/- 13.51 0 9 68 171 2 +273.0 +/- 41.7
183729 ncm-dbt-04 1246785 500 204 50 246 +110.6 +/- 14.22 0 7 90 145 8 +232.26 +/- 35.99
183722 ncm-dbt-03 1246209 500 205 49 246 +112.14 +/- 14.85 0 13 74 157 6 +240.82 +/- 39.83
183721 ncm-dbt-01 1213480 500 197 44 259 +109.83 +/- 13.4 0 6 89 151 4 +238.66 +/- 36.16
183720 ncm-dbt-02 1251950 500 225 50 225 +126.97 +/- 13.76 0 4 76 161 9 +277.93 +/- 39.29
183719 ncm-dbt-05 1240888 500 211 30 259 +131.74 +/- 13.67 0 4 70 167 9 +293.29 +/- 41.07
183718 ncm-dbt-06 1224943 500 203 41 256 +116.77 +/- 13.71 0 7 79 159 5 +256.44 +/- 38.62
183717 ncm-dbt-04 1233333 500 212 40 248 +124.6 +/- 13.45 0 5 74 165 6 +277.93 +/- 39.92

Commit

Commit ID 4ad2713e19cbf8db1e588c4d24d1fe4af5c6e917
Author peregrineshahin
Date 2023-04-12 18:38:43 UTC
Fix capturing underpromotions issue Fix underpromotion captures are generated amongst quiets although dealt with as a capture_stage in search, this makes not skipping them when move count pruning kicks-in consistent with updating their histories amongst captures. Passed STC: https://tests.stockfishchess.org/tests/view/6415579f65775d3b539e7537 LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 118896 W: 31678 L: 31553 D: 55665 Ptnml(0-2): 356, 12911, 32793, 13028, 360 Passed LTC: https://tests.stockfishchess.org/tests/view/641633b965775d3b539e9e95 LLR: 2.96 (-2.94,2.94) <-1.75,0.25> Total: 126800 W: 34255 L: 34148 D: 58397 Ptnml(0-2): 57, 12216, 38763, 12291, 73 see also discussion in https://github.com/official-stockfish/Stockfish/pull/4436 closes https://github.com/official-stockfish/Stockfish/pull/4452 bench: 3979409
Copyright 2011–2024 Next Chess Move LLC