Dev Builds » 20210723-1653

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 06:56:37 583868 4016 490 1523 2003 -91.42 ± 5.07 38 1058 811 101 0 -188.78 ± 11.93
ncm-dbt-02 06:55:20 585178 3968 494 1555 1919 -95.21 ± 5.16 45 1069 772 98 0 -196.5 ± 12.24
ncm-dbt-03 06:55:33 585243 4010 510 1566 1934 -93.7 ± 4.97 26 1098 788 92 1 -197.5 ± 12.11
ncm-dbt-04 06:55:01 570379 4006 496 1533 1977 -92.03 ± 5.08 32 1080 784 107 0 -191.66 ± 12.16
ncm-dbt-05 06:55:30 584207 4000 493 1540 1967 -93.11 ± 5.07 35 1076 791 97 1 -193.87 ± 12.09
20000 2483 7717 9800 -93.09 ± 2.27 176 5381 3946 495 2 -193.64 ± 5.41

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
406607 ncm-dbt-04 569749 6 0 2 4 -120.22 ± 109.7 0 2 1 0 0 -279.24 ± 576.89
406606 ncm-dbt-03 586985 10 1 4 5 -107.43 ± 84.35 0 3 2 0 0 -240.65 ± 570.11
406605 ncm-dbt-01 583531 16 1 9 6 -190.7 ± 83.17 1 6 1 0 0 -470.09 ± 466.68
406604 ncm-dbt-02 586266 468 56 171 241 -87.16 ± 14.74 3 122 96 13 0 -181.09 ± 34.87
406603 ncm-dbt-05 583447 500 60 197 243 -97.69 ± 13.97 4 139 97 10 0 -206.01 ± 34.66
406602 ncm-dbt-01 582778 500 67 183 250 -82.1 ± 14.56 6 118 112 14 0 -164.07 ± 32.12
406601 ncm-dbt-04 572356 500 52 190 258 -98.44 ± 13.67 3 141 97 9 0 -209.91 ± 34.63
406600 ncm-dbt-03 585253 500 72 191 237 -84.3 ± 15.45 5 130 94 21 0 -171.02 ± 35.27
406599 ncm-dbt-02 587070 500 67 200 233 -94.69 ± 14.09 5 133 102 10 0 -196.45 ± 33.71
406598 ncm-dbt-05 583112 500 56 194 250 -98.44 ± 15.18 6 142 86 16 0 -204.07 ± 36.93
406597 ncm-dbt-01 583112 500 57 188 255 -93.2 ± 14.06 3 137 98 12 0 -196.45 ± 34.53
406596 ncm-dbt-04 569589 500 78 180 242 -71.88 ± 14.53 2 118 110 20 0 -147.19 ± 32.57
406595 ncm-dbt-03 586054 500 63 192 245 -91.71 ± 13.88 2 137 99 12 0 -194.57 ± 34.34
406594 ncm-dbt-02 584327 500 65 203 232 -98.44 ± 15.46 9 135 91 15 0 -198.34 ± 35.92
406593 ncm-dbt-05 587409 500 70 184 246 -80.63 ± 14.66 4 123 106 17 0 -164.07 ± 33.19
406592 ncm-dbt-03 585885 500 60 194 246 -95.44 ± 13.63 2 139 101 7 1 -206.01 ± 33.8
406591 ncm-dbt-04 571672 500 60 187 253 -90.22 ± 14.46 5 130 102 13 0 -185.33 ± 33.81
406590 ncm-dbt-01 584243 500 57 189 254 -93.95 ± 14.07 5 132 103 10 0 -194.57 ± 33.53
406589 ncm-dbt-02 584874 500 54 203 243 -106.77 ± 13.39 4 147 93 6 0 -230.16 ± 35.29
406588 ncm-dbt-05 581569 500 61 198 241 -97.69 ± 13.5 3 139 100 8 0 -207.95 ± 33.99
406587 ncm-dbt-03 585000 500 73 204 223 -93.2 ± 13.6 1 140 98 11 0 -200.24 ± 34.5
406586 ncm-dbt-01 583572 500 71 200 229 -91.71 ± 15.06 6 133 95 16 0 -187.16 ± 35.14
406585 ncm-dbt-04 570228 500 59 196 245 -97.69 ± 14.28 2 147 87 14 0 -209.91 ± 36.75
406584 ncm-dbt-02 586223 500 69 193 238 -88.0 ± 14.7 7 123 107 13 0 -176.33 ± 32.93
406583 ncm-dbt-03 585674 500 53 188 259 -96.19 ± 13.8 5 133 104 8 0 -200.24 ± 33.24
406582 ncm-dbt-05 583531 500 66 190 244 -88.0 ± 14.26 5 125 110 9 1 -181.7 ± 32.28
406581 ncm-dbt-01 582694 500 61 183 256 -86.52 ± 13.78 1 133 103 13 0 -183.51 ± 33.63
406580 ncm-dbt-04 570549 500 64 204 232 -99.95 ± 13.84 4 141 96 9 0 -211.87 ± 34.83
406579 ncm-dbt-02 586858 500 62 186 252 -88.0 ± 14.7 2 138 92 18 0 -185.33 ± 35.69
406578 ncm-dbt-04 566572 500 59 197 244 -98.44 ± 14.59 6 138 94 12 0 -204.07 ± 35.31
406577 ncm-dbt-01 584622 500 55 202 243 -105.25 ± 13.88 6 142 95 7 0 -221.9 ± 34.93
406576 ncm-dbt-03 580904 500 57 196 247 -99.2 ± 13.51 3 141 98 8 0 -211.87 ± 34.38
406575 ncm-dbt-05 585421 500 65 205 230 -99.95 ± 14.0 4 142 94 10 0 -211.87 ± 35.26
406574 ncm-dbt-02 579413 500 48 210 242 -116.77 ± 14.69 10 150 82 8 0 -245.2 ± 37.88
406573 ncm-dbt-04 570789 500 69 191 240 -86.52 ± 15.51 6 130 94 20 0 -174.55 ± 35.29
406572 ncm-dbt-03 585464 500 65 209 226 -102.97 ± 14.02 6 140 96 8 0 -215.85 ± 34.78
406571 ncm-dbt-01 583698 500 61 179 260 -83.57 ± 14.88 6 122 106 16 0 -167.53 ± 33.17
406570 ncm-dbt-05 586520 500 54 186 260 -93.95 ± 14.53 6 132 100 12 0 -192.71 ± 34.15
406569 ncm-dbt-02 586393 500 73 189 238 -82.1 ± 14.56 5 121 109 15 0 -165.8 ± 32.64
406568 ncm-dbt-04 571913 500 55 186 259 -93.2 ± 13.91 4 133 103 10 0 -194.57 ± 33.53
406567 ncm-dbt-03 585970 500 66 188 246 -86.52 ± 14.53 2 135 96 17 0 -181.7 ± 34.95
406566 ncm-dbt-01 586562 500 60 190 250 -92.45 ± 14.35 4 135 98 13 0 -192.71 ± 34.55
406565 ncm-dbt-05 582652 500 61 186 253 -88.74 ± 14.43 3 134 98 15 0 -185.33 ± 34.57

Commit

Commit ID 760b7462bc89e4202ef6b43dc052b4364167ed4d
Author pb00067
Date 2021-07-23 16:53:03 UTC
Simplify lowply-history scoring logic STC: https://tests.stockfishchess.org/tests/view/60eee559d1189bed71812b16 LLR: 2.97 (-2.94,2.94) <-2.50,0.50> Total: 33976 W: 2523 L: 2431 D: 29022 Ptnml(0-2): 66, 2030, 12730, 2070, 92 LTC: https://tests.stockfishchess.org/tests/view/60eefa12d1189bed71812b24 LLR: 2.93 (-2.94,2.94) <-2.50,0.50> Total: 107240 W: 3053 L: 3046 D: 101141 Ptnml(0-2): 56, 2668, 48154, 2697, 45 closes https://github.com/official-stockfish/Stockfish/pull/3616 bench: 5199177
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