Dev Builds » 20210415-0941

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 06:40:14 583532 4000 299 1807 1894 -137.78 ± 4.97 89 1369 503 39 0 -307.89 ± 15.2
ncm-dbt-02 06:41:31 585758 4000 319 1821 1860 -137.17 ± 4.95 93 1348 527 32 0 -304.42 ± 14.84
ncm-dbt-03 06:41:42 584907 4000 335 1844 1821 -137.88 ± 5.06 100 1349 511 40 0 -304.42 ± 15.08
ncm-dbt-04 06:41:04 566430 4000 284 1808 1908 -139.4 ± 4.98 93 1376 493 38 0 -312.12 ± 15.36
ncm-dbt-05 06:41:43 580276 4000 333 1791 1876 -132.74 ± 5.11 93 1319 542 45 1 -290.01 ± 14.64
20000 1570 9071 9359 -136.99 ± 2.24 468 6761 2576 194 1 -303.66 ± 6.71

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
456174 ncm-dbt-05 581818 500 34 230 236 -143.89 ± 13.51 11 177 59 3 0 -330.23 ± 44.94
456173 ncm-dbt-02 584537 500 32 227 241 -143.07 ± 14.46 14 172 59 5 0 -318.25 ± 44.96
456172 ncm-dbt-03 586646 500 36 230 234 -142.25 ± 15.35 17 167 59 7 0 -306.84 ± 44.88
456171 ncm-dbt-04 565508 500 34 231 235 -144.71 ± 14.23 15 170 62 3 0 -321.19 ± 43.77
456170 ncm-dbt-01 582360 500 34 225 241 -139.81 ± 13.45 9 177 60 4 0 -321.19 ± 44.57
456169 ncm-dbt-05 578506 500 50 220 230 -123.02 ± 14.65 10 158 74 8 0 -263.42 ± 39.97
456168 ncm-dbt-02 586520 500 39 235 226 -143.89 ± 13.7 12 175 60 3 0 -327.18 ± 44.54
456167 ncm-dbt-03 584243 500 47 234 219 -136.56 ± 14.27 11 171 62 6 0 -304.07 ± 43.81
456166 ncm-dbt-04 565744 500 39 228 233 -138.18 ± 14.41 13 168 64 5 0 -304.07 ± 43.1
456165 ncm-dbt-01 583028 500 37 233 230 -143.89 ± 13.7 13 172 63 2 0 -324.17 ± 43.32
456164 ncm-dbt-05 575843 500 50 217 233 -120.67 ± 14.18 10 152 83 5 0 -256.44 ± 37.51
456163 ncm-dbt-02 587707 500 48 229 223 -131.74 ± 13.49 8 169 69 4 0 -295.94 ± 41.39
456162 ncm-dbt-03 585717 500 46 231 223 -134.95 ± 13.22 9 169 70 2 0 -304.07 ± 40.91
456161 ncm-dbt-04 563431 500 38 227 235 -138.18 ± 13.69 12 167 69 2 0 -306.84 ± 41.23
456160 ncm-dbt-01 584664 500 34 219 247 -134.95 ± 14.31 10 172 61 7 0 -301.33 ± 44.13
456159 ncm-dbt-05 582903 500 29 231 240 -148.85 ± 14.09 14 178 54 4 0 -339.63 ± 47.1
456158 ncm-dbt-04 570629 500 37 224 239 -136.56 ± 13.55 8 176 61 5 0 -312.48 ± 44.19
456157 ncm-dbt-02 586816 500 36 224 240 -137.37 ± 13.53 9 174 63 4 0 -312.48 ± 43.44
456156 ncm-dbt-03 585759 500 39 232 229 -141.44 ± 13.96 11 176 58 5 0 -321.19 ± 45.36
456155 ncm-dbt-01 585337 500 41 220 239 -130.14 ± 15.06 12 164 65 9 0 -280.42 ± 42.65
456154 ncm-dbt-04 563705 500 40 234 226 -142.25 ± 14.3 13 173 59 5 0 -318.25 ± 44.96
456153 ncm-dbt-05 579951 500 38 233 229 -143.07 ± 14.1 14 170 63 3 0 -318.25 ± 43.39
456152 ncm-dbt-02 587409 500 36 221 243 -134.95 ± 13.41 9 170 68 3 0 -304.07 ± 41.65
456151 ncm-dbt-03 583531 500 38 226 236 -137.37 ± 14.08 10 174 60 6 0 -309.64 ± 44.55
456150 ncm-dbt-01 581777 500 41 222 237 -131.74 ± 14.03 12 160 75 3 0 -285.49 ± 39.5
456149 ncm-dbt-05 580447 500 39 217 244 -129.35 ± 15.07 11 165 66 7 1 -282.94 ± 42.37
456148 ncm-dbt-04 564919 500 28 226 246 -145.54 ± 14.02 14 173 60 3 0 -327.18 ± 44.54
456147 ncm-dbt-02 581860 500 51 227 222 -127.76 ± 13.57 9 161 77 3 0 -280.42 ± 38.93
456146 ncm-dbt-03 583992 500 40 237 223 -144.71 ± 13.86 13 174 60 3 0 -327.18 ± 44.54
456145 ncm-dbt-01 583572 500 45 224 231 -130.14 ± 14.06 9 167 68 6 0 -288.06 ± 41.76
456144 ncm-dbt-03 584327 500 44 227 229 -133.34 ± 14.34 14 158 75 3 0 -285.49 ± 39.5
456143 ncm-dbt-05 583782 500 44 225 231 -131.74 ± 15.04 12 166 63 9 0 -285.49 ± 43.31
456142 ncm-dbt-04 569151 500 32 217 251 -134.95 ± 14.82 12 169 61 8 0 -295.94 ± 44.08
456141 ncm-dbt-01 583196 500 30 221 249 -139.81 ± 14.19 11 175 58 6 0 -315.35 ± 45.33
456140 ncm-dbt-02 585379 500 33 226 241 -141.44 ± 14.68 15 168 62 5 0 -309.64 ± 43.82
456139 ncm-dbt-05 578959 500 49 218 233 -122.24 ± 14.5 11 153 80 6 0 -258.75 ± 38.32
456138 ncm-dbt-02 585843 500 44 232 224 -137.37 ± 15.11 17 159 69 5 0 -290.66 ± 41.43
456137 ncm-dbt-04 568355 500 36 221 243 -134.95 ± 13.59 6 180 57 7 0 -312.48 ± 45.66
456136 ncm-dbt-03 585042 500 45 227 228 -132.54 ± 15.36 15 160 67 8 0 -280.42 ± 42.05
456135 ncm-dbt-01 584327 500 37 243 220 -152.18 ± 13.36 13 182 53 2 0 -356.21 ± 47.52

Commit

Commit ID 14d162d9f4f3544acf617de46a38a69878003e31
Author Vizvezdenec
Date 2021-04-15 09:41:30 UTC
Simplification: last capture extension The code for last capture extension can be removed in current master. Passed STC LLR: 2.95 (-2.94,2.94) {-1.00,0.20} Total: 85024 W: 7754 L: 7707 D: 69563 Ptnml(0-2): 293, 5991, 29914, 6004, 310 https://tests.stockfishchess.org/tests/view/607690f1814175337896068f Passed LTC LLR: 2.96 (-2.94,2.94) {-0.70,0.20} Total: 39880 W: 1503 L: 1453 D: 36924 Ptnml(0-2): 17, 1281, 17293, 1333, 16 https://tests.stockfishchess.org/tests/view/6076ccbe814175337896069e Closes https://github.com/official-stockfish/Stockfish/pull/3430 Bench: 4202264
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