Dev Builds » 20210731-1329

Use this dev build

NCM plays each Stockfish dev build 20,000 times against Stockfish 15. 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 06:54:59 584631 4002 517 1515 1970 -88.51 ± 5.08 25 1064 797 114 1 -184.77 ± 12.06
ncm-dbt-02 06:55:06 586775 4004 524 1495 1985 -85.97 ± 5.09 18 1063 793 128 0 -179.91 ± 12.1
ncm-dbt-03 06:54:38 587040 4012 503 1538 1971 -91.7 ± 5.24 33 1099 746 126 2 -191.08 ± 12.47
ncm-dbt-04 06:55:17 571759 4000 506 1508 1986 -88.92 ± 4.96 27 1043 836 93 1 -185.33 ± 11.73
ncm-dbt-05 06:56:00 584390 3982 520 1511 1951 -88.32 ± 5.16 27 1062 777 125 0 -183.59 ± 12.22
20000 2570 7567 9863 -88.68 ± 2.28 130 5331 3949 586 4 -184.92 ± 5.42

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
376311 ncm-dbt-02 586646 4 1 2 1 -88.51 ± 137.63 0 1 1 0 0 -190.5 ± 634.21
376310 ncm-dbt-01 583908 2 1 1 0 0.0 ± 34.02 0 0 1 0 0 0.0 ± 30.47
376309 ncm-dbt-03 587282 12 2 4 6 -58.42 ± 143.07 0 4 0 2 0 -120.39 ± 677.9
376308 ncm-dbt-05 585295 482 65 189 228 -91.43 ± 14.69 3 132 92 14 0 -191.81 ± 35.71
376307 ncm-dbt-04 572396 500 69 187 244 -83.57 ± 14.16 4 122 113 10 1 -172.78 ± 31.83
376306 ncm-dbt-02 587070 500 76 180 244 -73.33 ± 14.44 1 122 107 20 0 -152.18 ± 33.05
376305 ncm-dbt-01 586139 500 60 195 245 -96.19 ± 15.29 7 137 90 16 0 -196.45 ± 36.11
376304 ncm-dbt-03 587622 500 61 186 253 -88.74 ± 14.13 2 134 102 11 1 -189.0 ± 33.78
376303 ncm-dbt-05 581735 500 65 198 237 -94.69 ± 14.83 5 138 92 15 0 -196.45 ± 35.72
376302 ncm-dbt-04 570268 500 75 192 233 -82.83 ± 14.44 2 130 101 17 0 -172.78 ± 34.05
376301 ncm-dbt-02 586816 500 57 179 264 -86.52 ± 13.93 3 128 107 12 0 -179.9 ± 32.89
376300 ncm-dbt-01 585632 500 59 191 250 -93.95 ± 14.38 3 139 96 11 1 -200.24 ± 34.91
376299 ncm-dbt-03 585000 500 75 188 237 -79.9 ± 15.06 3 128 98 21 0 -164.07 ± 34.56
376298 ncm-dbt-05 586393 500 58 192 250 -95.44 ± 14.84 2 148 82 18 0 -204.07 ± 37.72
376297 ncm-dbt-04 570949 500 50 189 261 -99.2 ± 13.35 2 143 97 8 0 -213.85 ± 34.58
376296 ncm-dbt-02 588728 500 72 185 243 -79.9 ± 13.77 0 128 107 15 0 -169.27 ± 32.98
376295 ncm-dbt-01 580157 500 70 178 252 -76.25 ± 13.96 1 122 111 16 0 -158.93 ± 32.34
376294 ncm-dbt-03 585379 500 66 192 242 -89.48 ± 15.44 5 135 92 17 1 -185.33 ± 35.69
376293 ncm-dbt-05 586816 500 73 183 244 -77.7 ± 14.58 4 119 110 17 0 -157.24 ± 32.52
376292 ncm-dbt-04 572638 500 61 180 259 -84.3 ± 13.73 3 124 112 11 0 -174.55 ± 32.0
376291 ncm-dbt-02 585126 500 62 186 252 -88.0 ± 14.41 5 127 105 13 0 -179.9 ± 33.27
376290 ncm-dbt-03 585211 500 57 185 258 -90.96 ± 14.62 4 135 96 15 0 -189.0 ± 34.95
376289 ncm-dbt-01 584874 500 60 188 252 -90.96 ± 14.02 1 140 95 14 0 -194.57 ± 35.13
376288 ncm-dbt-04 571994 500 61 197 242 -96.94 ± 13.96 3 141 95 11 0 -206.01 ± 35.09
376287 ncm-dbt-05 583698 500 68 176 256 -76.25 ± 13.96 5 110 123 12 0 -152.18 ± 30.28
376286 ncm-dbt-02 586858 500 73 189 238 -82.1 ± 15.26 4 129 96 21 0 -167.53 ± 34.91
376285 ncm-dbt-03 588217 500 59 197 244 -98.44 ± 13.98 4 140 96 10 0 -207.95 ± 34.86
376284 ncm-dbt-01 584832 500 63 202 235 -99.2 ± 14.9 5 144 86 15 0 -207.95 ± 36.95
376283 ncm-dbt-04 574054 500 70 188 242 -83.57 ± 13.25 2 123 116 9 0 -174.55 ± 31.22
376282 ncm-dbt-02 585295 500 60 191 249 -93.2 ± 14.51 4 137 95 14 0 -194.57 ± 35.13
376281 ncm-dbt-05 582694 500 55 195 250 -99.95 ± 14.15 3 146 89 12 0 -213.85 ± 36.34
376280 ncm-dbt-03 588260 500 62 205 233 -102.22 ± 15.51 8 143 83 16 0 -209.91 ± 37.57
376279 ncm-dbt-01 585717 500 69 190 241 -85.78 ± 14.36 3 130 102 15 0 -178.11 ± 33.85
376278 ncm-dbt-02 588472 500 66 194 240 -90.97 ± 14.02 0 143 92 15 0 -196.45 ± 35.72
376277 ncm-dbt-04 570989 500 52 182 266 -92.45 ± 15.08 8 128 100 14 0 -185.33 ± 34.19
376276 ncm-dbt-03 588813 500 55 194 251 -99.2 ± 15.33 4 150 77 19 0 -209.91 ± 38.77
376275 ncm-dbt-05 585211 500 71 191 238 -85.04 ± 14.92 3 133 95 19 0 -176.33 ± 35.12
376274 ncm-dbt-01 586054 500 67 197 236 -92.45 ± 14.05 3 136 99 12 0 -194.57 ± 34.34
376273 ncm-dbt-03 587579 500 66 187 247 -85.78 ± 14.36 3 130 102 15 0 -178.11 ± 33.85
376272 ncm-dbt-04 570789 500 68 193 239 -88.74 ± 14.13 3 132 102 13 0 -185.33 ± 33.81
376271 ncm-dbt-01 584369 500 68 173 259 -74.06 ± 13.89 2 116 117 15 0 -152.18 ± 31.35
376270 ncm-dbt-02 585970 500 57 189 254 -93.95 ± 14.67 1 148 83 18 0 -202.15 ± 37.5
376269 ncm-dbt-05 583279 500 65 187 248 -86.52 ± 14.67 2 136 94 18 0 -181.7 ± 35.31

Commit

Commit ID a0fca67da4c5ae21bcc783acc03f3da2a6fbcd80
Author VoyagerOne
Date 2021-07-31 13:29:19 UTC
CMH Pruning Tweak replace CounterMovePruneThreshold by a depth dependent threshold STC: LLR: 2.94 (-2.94,2.94) <-0.50,2.50> Total: 35512 W: 2718 L: 2552 D: 30242 Ptnml(0-2): 66, 2138, 13194, 2280, 78 https://tests.stockfishchess.org/tests/view/6104442fafad2da4f4ae3b94 LTC: LLR: 2.96 (-2.94,2.94) <0.50,3.50> Total: 36536 W: 1150 L: 1019 D: 34367 Ptnml(0-2): 10, 920, 16278, 1049, 11 https://tests.stockfishchess.org/tests/view/6104b033afad2da4f4ae3bbc closes https://github.com/official-stockfish/Stockfish/pull/3636 Bench: 5848718
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