Dev Builds » 20231202-1045

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 12:01:13 1098308 4038 1733 359 1946 +123.13 +/- 4.76 0 49 590 1337 43 +274.98 +/- 14.03
ncm-dbt-02 11:56:59 1240697 4008 1745 313 1950 +129.86 +/- 4.63 0 32 554 1372 46 +295.68 +/- 14.46
ncm-dbt-03 11:54:53 1073787 3978 1708 312 1958 +127.34 +/- 4.84 1 50 536 1356 46 +287.57 +/- 14.73
ncm-dbt-05 11:56:20 1183019 4010 1730 350 1930 +124.65 +/- 4.77 1 47 570 1345 42 +280.32 +/- 14.27
ncm-dbt-06 11:54:37 1065569 3966 1707 344 1915 +124.47 +/- 4.98 1 51 575 1296 60 +273.97 +/- 14.21
20000 8623 1678 9699 +125.88 +/- 2.15 3 229 2825 6706 237 +282.38 +/- 6.41

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
210625 ncm-dbt-02 1229486 8 3 2 3 +43.64 +/- 153.21 0 1 1 2 0 +88.74 +/- 710.5
210624 ncm-dbt-06 1235918 332 145 24 163 +132.72 +/- 17.85 0 6 39 115 6 +296.45 +/- 55.39
210623 ncm-dbt-03 1236318 328 140 24 164 +128.42 +/- 16.1 0 2 48 110 4 +289.96 +/- 49.71
210622 ncm-dbt-01 1125257 350 154 30 166 +128.66 +/- 16.98 0 4 50 114 7 +280.78 +/- 48.87
210621 ncm-dbt-05 1233663 358 163 35 160 +129.96 +/- 16.11 0 3 51 119 6 +289.08 +/- 48.31
210620 ncm-dbt-02 1243501 500 221 35 244 +135.76 +/- 13.2 0 4 63 176 7 +312.48 +/- 43.44
210619 ncm-dbt-06 1227202 500 209 49 242 +115.22 +/- 14.85 0 10 79 152 9 +243.0 +/- 38.64
210618 ncm-dbt-03 1245674 500 211 37 252 +126.17 +/- 14.12 0 10 61 174 5 +285.49 +/- 43.92
210617 ncm-dbt-01 1143507 500 214 53 233 +116.0 +/- 14.05 0 7 82 154 7 +249.64 +/- 37.86
210616 ncm-dbt-05 1227822 500 229 43 228 +135.76 +/- 14.29 0 8 57 176 9 +306.84 +/- 45.58
210615 ncm-dbt-02 1242656 500 209 43 248 +119.89 +/- 14.02 0 6 80 156 8 +258.75 +/- 38.32
210614 ncm-dbt-03 433269 500 215 52 233 +117.55 +/- 16.34 1 15 65 158 11 +247.41 +/- 42.06
210613 ncm-dbt-06 520761 500 216 54 230 +116.77 +/- 15.46 0 8 87 140 15 +234.38 +/- 36.71
210612 ncm-dbt-06 544831 2 0 2 0 -1041.08 +/- 395.59 1 0 0 0 0 -1129.65 +/- 376.02
210611 ncm-dbt-03 636374 4 2 0 2 +190.27 +/- 27.79 0 0 0 2 0 +1199.83 +/- 312.71
210610 ncm-dbt-05 831322 500 200 45 255 +111.37 +/- 12.87 0 6 84 159 1 +249.64 +/- 37.33
210609 ncm-dbt-01 757288 500 197 53 250 +102.97 +/- 14.49 0 12 87 146 5 +217.85 +/- 36.77
210608 ncm-dbt-06 808195 0 0 0 0 -0.0 +/- 1199.83 0 0 0 0 0 -0.0 +/- 1199.83
210607 ncm-dbt-03 812795 0 0 0 0 -0.0 +/- 1199.83 0 0 0 0 0 -0.0 +/- 1199.83
210606 ncm-dbt-02 1226596 500 219 35 246 +134.15 +/- 13.61 0 8 55 182 5 +312.48 +/- 46.38
210605 ncm-dbt-05 1236227 152 63 10 79 +126.44 +/- 24.0 0 1 23 50 2 +282.35 +/- 73.09
210604 ncm-dbt-06 1212058 132 53 9 70 +120.41 +/- 23.75 0 1 20 45 0 +279.59 +/- 78.87
210603 ncm-dbt-03 1246544 146 64 12 70 +129.41 +/- 26.76 0 1 23 45 4 +273.94 +/- 72.96
210602 ncm-dbt-01 1151337 188 80 14 94 +127.38 +/- 20.13 0 1 27 65 1 +295.6 +/- 67.17
210601 ncm-dbt-02 1263921 500 225 36 239 +138.18 +/- 12.12 0 1 64 180 5 +327.18 +/- 42.83
210600 ncm-dbt-05 1226223 500 219 44 237 +126.97 +/- 12.66 0 3 73 170 4 +290.66 +/- 40.08
210599 ncm-dbt-06 1226423 500 214 43 243 +123.81 +/- 13.1 0 3 79 162 6 +275.45 +/- 38.39
210598 ncm-dbt-03 1231872 500 221 34 245 +136.56 +/- 13.36 0 6 57 181 6 +318.25 +/- 45.73
210597 ncm-dbt-01 1138429 500 220 45 235 +126.97 +/- 13.41 0 6 68 171 5 +288.06 +/- 41.76
210596 ncm-dbt-05 1226835 500 217 43 240 +126.17 +/- 12.87 0 3 75 167 5 +285.49 +/- 39.5
210595 ncm-dbt-02 1208501 500 225 38 237 +136.56 +/- 12.98 0 3 64 176 7 +315.35 +/- 43.03
210594 ncm-dbt-06 1246966 500 211 38 251 +125.38 +/- 12.89 0 5 70 172 3 +288.06 +/- 41.11
210593 ncm-dbt-03 1251617 500 209 38 253 +123.81 +/- 11.96 0 2 76 171 1 +288.06 +/- 39.11
210592 ncm-dbt-01 1140361 500 212 41 247 +123.81 +/- 12.73 0 4 74 169 3 +282.94 +/- 39.86
210591 ncm-dbt-05 1224000 500 207 48 245 +114.45 +/- 15.15 1 12 70 161 6 +249.64 +/- 40.9
210590 ncm-dbt-02 1241906 500 215 44 241 +123.81 +/- 12.73 0 3 77 166 4 +280.42 +/- 38.93
210589 ncm-dbt-03 1256557 500 224 43 233 +131.74 +/- 14.2 0 7 64 170 9 +293.29 +/- 43.07
210588 ncm-dbt-06 1235649 500 224 41 235 +133.34 +/- 13.26 0 5 63 176 6 +306.84 +/- 43.45
210587 ncm-dbt-01 1143757 500 225 32 243 +141.44 +/- 12.41 0 2 59 183 6 +336.46 +/- 44.87
210586 ncm-dbt-05 1218243 500 220 40 240 +130.94 +/- 13.14 0 5 65 175 5 +301.33 +/- 42.75
210585 ncm-dbt-03 1234423 500 207 35 258 +124.6 +/- 13.09 0 5 72 169 4 +282.94 +/- 40.5
210584 ncm-dbt-06 1245694 500 214 47 239 +120.67 +/- 13.5 0 7 73 166 4 +270.57 +/- 40.25
210583 ncm-dbt-02 1240138 500 207 36 257 +123.81 +/- 13.1 0 4 76 165 5 +277.93 +/- 39.29
210582 ncm-dbt-01 1140101 500 211 46 243 +119.11 +/- 14.03 0 7 78 158 7 +258.75 +/- 38.88
210581 ncm-dbt-06 1217566 500 221 37 242 +134.15 +/- 14.33 0 6 65 168 11 +295.94 +/- 42.75
210580 ncm-dbt-03 1226218 500 215 37 248 +129.35 +/- 12.01 0 2 70 176 2 +304.07 +/- 40.91
210579 ncm-dbt-05 1222842 500 212 42 246 +123.02 +/- 13.29 0 6 72 168 4 +277.93 +/- 40.53
210578 ncm-dbt-02 1269569 500 221 44 235 +128.55 +/- 12.63 0 2 74 169 5 +293.29 +/- 39.69
210577 ncm-dbt-01 1144742 500 220 45 235 +126.97 +/- 12.85 0 6 65 177 2 +295.94 +/- 42.75

Commit

Commit ID 15d47a2b3821b92c4d048f39f7f43c301299d365
Author cj5716
Date 2023-12-02 10:45:38 UTC
Remove recaptures stage in qsearch Simplify an old commit https://github.com/official-stockfish/Stockfish/commit/72760c05c64d1fb2bb71c2ac54acfbeecf513b87. Search is not stuck on the test position given r1n1n1b1/1P1P1P1P/1N1N1N2/2RnQrRq/2pKp3/3BNQbQ/k7/4Bq2 w - - 0 1 Passed STC: https://tests.stockfishchess.org/tests/view/6567050d136acbc573550919 LLR: 2.93 (-2.94,2.94) <-1.75,0.25> Total: 236160 W: 59475 L: 59475 D: 117210 Ptnml(0-2): 841, 28266, 59816, 28366, 791 Passed LTC: https://tests.stockfishchess.org/tests/view/6567d133136acbc573551c78 LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 201690 W: 49630 L: 49593 D: 102467 Ptnml(0-2): 128, 23214, 54122, 23255, 126 closes https://github.com/official-stockfish/Stockfish/pull/4896 Bench: 1604361
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