Dev Builds » 20230604-2112

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 09:57:14 1103244 3334 1402 315 1617 +117.57 ± 5.55 0 60 506 1055 46 +254.43 ± 15.16
ncm-dbt-02 09:52:26 1237221 3286 1357 322 1607 +113.28 ± 5.45 0 58 523 1031 31 +246.9 ± 14.91
ncm-dbt-03 10:00:05 1237231 3362 1408 320 1634 +116.63 ± 5.35 2 47 528 1069 35 +256.22 ± 14.83
ncm-dbt-04 09:59:04 1241880 3352 1373 316 1663 +113.42 ± 5.41 0 57 540 1044 35 +246.19 ± 14.67
ncm-dbt-05 09:53:43 1220469 3320 1358 325 1637 +111.81 ± 5.51 0 69 519 1042 30 +243.12 ± 14.96
ncm-dbt-06 10:00:28 1235094 3346 1384 296 1666 +117.23 ± 5.43 1 46 535 1046 45 +254.18 ± 14.72
20000 8282 1894 9824 +114.99 ± 2.22 3 337 3151 6287 222 +250.15 ± 6.07

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
190736 ncm-dbt-02 1249007 286 120 28 138 +115.87 ± 18.96 0 4 48 86 5 +245.42 ± 49.75
190735 ncm-dbt-05 1213382 320 138 32 150 +119.6 ± 17.87 0 6 46 104 4 +261.95 ± 50.98
190734 ncm-dbt-01 1104443 334 138 31 165 +115.36 ± 17.39 0 6 52 105 4 +250.07 ± 47.86
190733 ncm-dbt-06 1230924 346 137 25 184 +116.66 ± 16.09 0 4 56 110 3 +257.63 ± 45.96
190732 ncm-dbt-04 1242278 352 138 39 175 +100.42 ± 15.92 0 5 69 100 2 +215.41 ± 41.02
190731 ncm-dbt-03 1239277 362 150 36 176 +113.26 ± 15.67 0 3 65 109 4 +245.05 ± 42.26
190724 ncm-dbt-02 1251713 500 213 43 244 +123.02 ± 14.82 0 12 63 168 7 +270.57 ± 43.07
190723 ncm-dbt-05 1229232 500 214 59 227 +111.37 ± 14.06 0 9 82 154 5 +240.82 ± 37.9
190722 ncm-dbt-01 1098932 500 202 49 249 +109.83 ± 14.37 0 11 80 154 5 +236.51 ± 38.38
190721 ncm-dbt-04 1224228 500 204 43 253 +116.0 ± 14.69 0 10 77 155 8 +247.41 ± 39.15
190720 ncm-dbt-06 1232398 500 208 40 252 +121.45 ± 13.49 0 8 69 170 3 +275.45 ± 41.43
190719 ncm-dbt-03 1231849 500 209 48 243 +116.0 ± 13.88 0 7 81 156 6 +251.89 ± 38.11
190712 ncm-dbt-02 1218523 500 212 49 239 +117.55 ± 14.2 0 9 75 160 6 +256.44 ± 39.69
190711 ncm-dbt-05 1210039 500 202 53 245 +106.77 ± 15.12 0 14 80 149 7 +223.94 ± 38.31
190710 ncm-dbt-01 1097947 500 216 39 245 +128.55 ± 14.42 0 7 69 164 10 +280.42 ± 41.44
190709 ncm-dbt-04 1252049 500 204 60 236 +102.97 ± 14.94 0 13 87 143 7 +213.85 ± 36.76
190708 ncm-dbt-03 1236852 500 212 49 239 +117.55 ± 13.36 0 4 85 155 6 +256.44 ± 36.95
190707 ncm-dbt-06 1243604 500 218 42 240 +127.76 ± 14.27 0 5 75 159 11 +275.45 ± 39.63
190700 ncm-dbt-02 1226759 500 213 53 234 +115.22 ± 13.03 0 7 77 165 1 +261.07 ± 39.14
190699 ncm-dbt-05 1215792 500 211 40 249 +123.81 ± 13.28 0 8 65 175 2 +285.49 ± 42.7
190698 ncm-dbt-04 1232774 500 204 42 254 +116.77 ± 13.19 0 6 79 162 3 +261.07 ± 38.58
190697 ncm-dbt-03 1231437 500 201 46 253 +111.37 ± 15.15 1 12 74 157 6 +240.82 ± 39.83
190696 ncm-dbt-01 1115054 500 205 49 246 +112.14 ± 15.0 0 11 81 149 9 +234.38 ± 38.14
190695 ncm-dbt-06 1238438 500 208 43 249 +119.11 ± 14.03 0 5 84 152 9 +254.16 ± 37.27
190688 ncm-dbt-02 1227915 500 189 59 252 +92.45 ± 14.94 0 16 93 136 5 +190.85 ± 35.52
190687 ncm-dbt-05 1214390 500 203 47 250 +112.14 ± 14.53 0 11 78 155 6 +240.82 ± 38.87
190686 ncm-dbt-03 1241838 500 217 46 237 +123.81 ± 13.81 1 5 71 168 5 +280.42 ± 40.83
190685 ncm-dbt-04 1229117 500 210 43 247 +120.67 ± 14.01 0 8 73 163 6 +265.78 ± 40.25
190684 ncm-dbt-01 1105634 500 215 45 240 +123.02 ± 13.82 0 6 75 162 7 +270.57 ± 39.67
190683 ncm-dbt-06 1237166 500 203 48 249 +111.37 ± 14.38 1 9 78 158 4 +245.2 ± 38.89
190676 ncm-dbt-05 1232087 500 194 53 253 +100.7 ± 14.77 0 14 86 145 5 +211.87 ± 36.97
190675 ncm-dbt-02 1232885 500 206 42 252 +118.33 ± 12.63 0 4 80 164 2 +268.17 ± 38.21
190674 ncm-dbt-01 1103773 500 217 47 236 +123.02 ± 14.49 0 9 70 163 8 +268.17 ± 41.1
190673 ncm-dbt-04 1260841 500 210 46 244 +118.33 ± 13.52 0 5 82 157 6 +258.75 ± 37.76
190672 ncm-dbt-03 1232785 500 215 46 239 +122.24 ± 13.12 0 4 78 163 5 +273.0 ± 38.74
190671 ncm-dbt-06 1226366 500 201 43 256 +113.68 ± 13.89 0 8 81 156 5 +247.41 ± 38.13
190664 ncm-dbt-02 1253749 500 204 48 248 +112.14 ± 13.56 0 6 87 152 5 +243.0 ± 36.62
190663 ncm-dbt-05 1228362 500 196 41 263 +111.37 ± 13.05 0 7 82 160 1 +249.64 ± 37.86
190662 ncm-dbt-01 1096928 500 209 55 236 +110.6 ± 13.89 0 10 79 158 3 +243.0 ± 38.64
190661 ncm-dbt-04 1251873 500 203 43 254 +115.22 ± 13.88 0 10 73 164 3 +256.44 ± 40.21
190660 ncm-dbt-06 1236764 500 209 55 236 +110.6 ± 14.53 0 7 92 141 10 +228.08 ± 35.56
190659 ncm-dbt-03 1246580 500 204 49 247 +111.37 ± 14.22 0 12 74 161 3 +245.2 ± 39.87

Commit

Commit ID 8dea070538dcad790de3c5b9720bdbb836a32440
Author Michael Chaly
Date 2023-06-04 21:12:23 UTC
Move internal iterative reduction before probcut This patch moves IIR before probcut which allows probcut to be produced at lower depths. Comments in IIR are also slightly updated. Passed STC: https://tests.stockfishchess.org/tests/view/6472d604d29264e4cfa749fd LLR: 2.94 (-2.94,2.94) <0.00,2.00> Total: 387616 W: 103295 L: 102498 D: 181823 Ptnml(0-2): 976, 42322, 106381, 43187, 942 Passed LTC: https://tests.stockfishchess.org/tests/view/6475eb8c4a36543c4c9f42e8 LLR: 2.94 (-2.94,2.94) <0.50,2.50> Total: 202836 W: 54901 L: 54281 D: 93654 Ptnml(0-2): 85, 19609, 61422, 20205, 97 closes https://github.com/official-stockfish/Stockfish/pull/4597 bench 2551691
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