Dev Builds » 20210703-0744

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 06:59:21 582277 3996 501 1546 1949 -93.02 ± 5.06 32 1082 784 99 1 -194.34 ± 12.15
ncm-dbt-02 06:59:36 585596 3978 491 1529 1958 -92.8 ± 5.11 24 1105 745 115 0 -195.42 ± 12.48
ncm-dbt-03 06:58:55 584583 4030 523 1586 1921 -93.86 ± 5.05 38 1084 796 97 0 -194.9 ± 12.05
ncm-dbt-04 06:58:56 569090 4004 474 1553 1977 -96.0 ± 4.99 30 1111 769 92 0 -202.14 ± 12.27
ncm-dbt-05 06:59:38 581242 3992 480 1535 1977 -94.05 ± 4.96 25 1097 782 92 0 -198.36 ± 12.16
20000 2469 7749 9782 -93.95 ± 2.25 149 5479 3876 495 1 -197.02 ± 5.46

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
437339 ncm-dbt-04 567799 4 1 2 1 -88.51 ± 137.63 0 1 1 0 0 -190.5 ± 634.21
437338 ncm-dbt-03 586181 30 4 12 14 -94.91 ± 47.63 0 8 7 0 0 -206.6 ± 134.08
437337 ncm-dbt-02 586223 478 57 190 231 -99.29 ± 14.74 7 128 95 9 0 -203.69 ± 34.97
437336 ncm-dbt-05 580945 492 57 181 254 -89.49 ± 14.15 5 124 107 10 0 -183.4 ± 32.78
437335 ncm-dbt-01 580530 496 64 197 235 -95.5 ± 14.17 6 130 103 9 0 -196.5 ± 33.47
437334 ncm-dbt-04 566533 500 66 197 237 -93.2 ± 15.23 6 136 91 17 0 -190.85 ± 35.9
437333 ncm-dbt-03 588260 500 56 205 239 -106.77 ± 13.72 4 149 89 8 0 -230.16 ± 36.26
437332 ncm-dbt-05 579620 500 54 204 242 -107.54 ± 13.06 2 152 90 6 0 -236.51 ± 35.94
437331 ncm-dbt-02 584748 500 66 194 240 -90.96 ± 14.62 1 144 87 18 0 -194.57 ± 36.67
437330 ncm-dbt-01 582987 500 48 201 251 -109.83 ± 13.89 4 154 83 9 0 -238.66 ± 37.66
437329 ncm-dbt-04 568474 500 51 188 261 -97.69 ± 14.28 6 135 99 10 0 -202.15 ± 34.28
437328 ncm-dbt-03 581194 500 65 195 240 -92.45 ± 13.9 3 135 101 11 0 -194.57 ± 33.94
437327 ncm-dbt-02 585379 500 64 193 243 -91.71 ± 15.21 4 140 87 19 0 -190.85 ± 36.65
437326 ncm-dbt-05 584201 500 61 202 237 -100.7 ± 14.62 3 150 82 15 0 -215.85 ± 37.82
437325 ncm-dbt-04 567047 500 63 196 241 -94.69 ± 14.09 1 145 90 14 0 -204.07 ± 36.13
437324 ncm-dbt-01 581070 500 52 195 253 -102.22 ± 14.48 2 154 79 15 0 -221.9 ± 38.51
437323 ncm-dbt-03 585801 500 72 208 220 -96.94 ± 15.44 10 130 96 14 0 -192.71 ± 34.94
437322 ncm-dbt-05 585211 500 61 195 244 -95.44 ± 13.79 2 141 96 11 0 -204.07 ± 34.89
437321 ncm-dbt-02 585801 500 53 191 256 -98.44 ± 14.14 4 141 94 11 0 -207.95 ± 35.29
437320 ncm-dbt-04 567640 500 60 193 247 -94.69 ± 13.62 1 142 96 11 0 -204.07 ± 34.89
437319 ncm-dbt-01 581194 500 69 199 232 -92.45 ± 14.35 6 129 104 11 0 -189.0 ± 33.39
437318 ncm-dbt-03 585253 500 61 203 236 -101.46 ± 13.37 3 143 97 7 0 -217.85 ± 34.53
437317 ncm-dbt-02 586689 500 49 201 250 -109.07 ± 13.4 3 153 87 7 0 -238.66 ± 36.67
437316 ncm-dbt-05 578424 500 58 191 251 -94.69 ± 13.78 3 137 100 10 0 -200.24 ± 34.09
437315 ncm-dbt-04 568315 500 47 194 259 -105.25 ± 14.2 5 147 88 10 0 -223.94 ± 36.53
437314 ncm-dbt-01 582193 500 72 178 250 -74.79 ± 14.9 5 115 111 19 0 -148.85 ± 32.4
437313 ncm-dbt-03 581028 500 61 186 253 -88.74 ± 14.13 3 132 102 13 0 -185.33 ± 33.81
437312 ncm-dbt-02 585801 500 69 183 248 -80.63 ± 14.66 2 129 100 19 0 -167.53 ± 34.22
437311 ncm-dbt-05 578259 500 70 190 240 -85.04 ± 13.9 3 126 109 12 0 -176.33 ± 32.55
437310 ncm-dbt-01 584748 500 79 184 237 -74.06 ± 14.46 2 119 112 16 1 -153.86 ± 32.2
437309 ncm-dbt-04 569669 500 60 191 249 -93.2 ± 13.91 4 133 103 10 0 -194.57 ± 33.53
437308 ncm-dbt-03 582736 500 76 191 233 -81.36 ± 15.64 7 122 100 21 0 -160.64 ± 34.22
437307 ncm-dbt-02 586520 500 68 191 241 -87.26 ± 14.1 0 139 95 16 0 -187.16 ± 35.14
437306 ncm-dbt-05 577602 500 58 191 251 -94.69 ± 14.24 2 143 91 14 0 -202.15 ± 35.92
437305 ncm-dbt-03 584916 500 72 185 243 -79.9 ± 14.36 4 120 111 15 0 -162.35 ± 32.31
437304 ncm-dbt-01 579826 500 59 188 253 -91.71 ± 14.49 4 135 97 14 0 -190.85 ± 34.75
437303 ncm-dbt-04 578342 500 61 186 253 -88.74 ± 14.13 5 126 108 11 0 -181.7 ± 32.68
437302 ncm-dbt-02 583614 500 65 186 249 -85.78 ± 14.51 3 131 100 16 0 -178.11 ± 34.22
437301 ncm-dbt-01 585674 500 58 204 238 -104.49 ± 13.22 3 146 95 6 0 -226.0 ± 34.87
437300 ncm-dbt-03 585885 500 56 201 243 -103.73 ± 13.71 4 145 93 8 0 -221.9 ± 35.4
437299 ncm-dbt-05 585674 500 61 181 258 -85.04 ± 14.49 5 124 107 14 0 -172.78 ± 32.96
437298 ncm-dbt-04 567997 500 65 206 229 -100.7 ± 13.53 2 146 93 9 0 -217.85 ± 35.44

Commit

Commit ID ec8dfe7315c865053afb198af2f1231a551c2c26
Author candirufish
Date 2021-07-03 07:44:05 UTC
no cut node reduction for killer moves. stc: LLR: 2.95 (-2.94,2.94) <-0.50,2.50> Total: 44344 W: 3474 L: 3294 D: 37576 Ptnml(0-2): 117, 2710, 16338, 2890, 117 https://tests.stockfishchess.org/tests/view/60d8ea673beab81350ac9eb8 ltc: LLR: 2.93 (-2.94,2.94) <0.50,3.50> Total: 82600 W: 2638 L: 2441 D: 77521 Ptnml(0-2): 38, 2147, 36749, 2312, 54 https://tests.stockfishchess.org/tests/view/60d9048f3beab81350ac9eed closes https://github.com/official-stockfish/Stockfish/pull/3600 Bench: 5160239
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