Dev Builds » 20211031-2140

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 06:53:02 583070 3984 714 1273 1997 -49.07 ± 5.2 7 778 977 227 3 -99.43 ± 10.88
ncm-dbt-02 06:52:50 586368 3994 744 1305 1945 -49.13 ± 5.3 11 787 954 242 3 -98.79 ± 11.02
ncm-dbt-03 06:53:13 585401 4000 705 1301 1994 -52.16 ± 5.15 9 795 982 211 3 -105.63 ± 10.84
ncm-dbt-04 06:53:44 568572 4022 734 1331 1957 -51.95 ± 5.13 10 794 992 213 2 -104.83 ± 10.78
ncm-dbt-05 06:53:24 581194 4000 709 1327 1964 -54.11 ± 5.14 10 805 981 201 3 -109.64 ± 10.84
20000 3606 6537 9857 -51.29 ± 2.32 47 3959 4886 1094 14 -103.66 ± 4.86

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
435701 ncm-dbt-04 565587 22 7 7 8 0.0 ± 62.63 0 2 7 2 0 -0.0 ± 129.49
435700 ncm-dbt-02 585464 494 88 166 240 -55.32 ± 14.24 0 102 121 24 0 -113.6 ± 30.94
435699 ncm-dbt-01 583112 484 99 139 246 -28.78 ± 14.83 1 74 132 34 1 -57.96 ± 29.49
435698 ncm-dbt-05 581444 500 95 163 242 -47.55 ± 15.05 2 95 123 29 1 -95.44 ± 30.74
435697 ncm-dbt-03 584579 500 96 158 246 -43.31 ± 14.02 0 89 135 25 1 -89.48 ± 29.04
435696 ncm-dbt-04 570308 500 93 177 230 -58.93 ± 15.09 4 102 118 26 0 -115.23 ± 31.41
435695 ncm-dbt-02 584201 500 91 163 246 -50.38 ± 15.2 1 102 116 30 1 -102.97 ± 31.72
435694 ncm-dbt-01 580282 500 101 176 223 -52.51 ± 14.92 0 106 113 31 0 -107.54 ± 32.15
435693 ncm-dbt-05 580282 500 86 179 235 -65.38 ± 14.14 3 105 124 18 0 -130.94 ± 30.38
435692 ncm-dbt-03 586562 500 95 150 255 -38.37 ± 15.54 3 87 123 36 1 -74.79 ± 30.78
435691 ncm-dbt-04 570789 500 94 160 246 -46.13 ± 14.32 0 95 126 29 0 -93.95 ± 30.32
435690 ncm-dbt-01 584579 500 86 155 259 -48.25 ± 14.57 1 96 124 29 0 -96.94 ± 30.59
435689 ncm-dbt-02 585590 500 83 155 262 -50.38 ± 15.45 3 98 118 30 1 -99.95 ± 31.44
435688 ncm-dbt-03 586731 500 96 154 250 -40.49 ± 14.26 0 88 133 28 1 -83.57 ± 29.37
435687 ncm-dbt-05 581319 500 86 169 245 -58.21 ± 14.39 0 108 117 25 0 -119.89 ± 31.55
435686 ncm-dbt-04 567205 500 85 172 243 -61.08 ± 14.38 1 107 121 20 1 -126.18 ± 30.9
435685 ncm-dbt-01 586308 500 86 160 254 -51.8 ± 14.75 2 97 125 25 1 -104.49 ± 30.42
435684 ncm-dbt-02 586774 500 101 168 231 -46.84 ± 14.75 2 92 128 27 1 -93.95 ± 30.03
435683 ncm-dbt-05 577233 500 95 157 248 -43.3 ± 15.2 1 95 120 33 1 -88.0 ± 31.17
435682 ncm-dbt-03 585548 500 79 175 246 -67.54 ± 14.23 1 114 115 20 0 -138.99 ± 31.79
435681 ncm-dbt-04 567601 500 90 165 245 -52.51 ± 13.41 0 95 135 20 0 -107.54 ± 28.87
435680 ncm-dbt-01 581236 500 80 166 254 -60.36 ± 14.76 1 110 113 26 0 -123.02 ± 32.15
435679 ncm-dbt-02 587282 500 96 157 247 -42.6 ± 15.29 2 93 119 36 0 -83.57 ± 31.31
435678 ncm-dbt-05 582778 500 97 169 234 -50.38 ± 14.28 1 96 127 26 0 -101.46 ± 30.14
435677 ncm-dbt-03 585506 500 91 164 245 -51.09 ± 14.72 1 100 120 29 0 -102.97 ± 31.15
435676 ncm-dbt-04 569669 500 77 168 255 -63.94 ± 14.5 2 109 117 22 0 -129.35 ± 31.52
435675 ncm-dbt-02 587579 500 96 172 232 -53.22 ± 15.47 2 105 110 33 0 -106.01 ± 32.56
435674 ncm-dbt-01 583279 500 90 146 264 -39.08 ± 15.21 1 92 119 38 0 -77.71 ± 31.31
435673 ncm-dbt-03 585464 500 86 170 244 -58.93 ± 15.22 4 103 116 27 0 -115.23 ± 31.71
435672 ncm-dbt-05 583656 500 88 158 254 -48.96 ± 14.07 1 92 134 22 1 -99.95 ± 29.1
435671 ncm-dbt-04 569869 500 110 164 226 -37.67 ± 14.61 0 88 129 32 1 -77.71 ± 29.96
435670 ncm-dbt-02 587664 500 93 165 242 -50.38 ± 14.94 0 104 114 32 0 -102.97 ± 32.0
435669 ncm-dbt-01 582193 500 87 165 248 -54.65 ± 14.63 0 105 119 25 1 -113.68 ± 31.27
435668 ncm-dbt-03 584076 500 79 165 256 -60.36 ± 13.79 0 106 124 20 0 -124.6 ± 30.44
435667 ncm-dbt-04 569669 500 95 154 251 -41.19 ± 15.21 2 91 121 36 0 -80.63 ± 31.04
435666 ncm-dbt-05 580779 500 85 164 251 -55.36 ± 14.26 2 98 127 23 0 -110.6 ± 30.08
435665 ncm-dbt-02 586393 500 96 159 245 -44.01 ± 14.47 1 91 128 30 0 -88.0 ± 30.06
435664 ncm-dbt-01 583572 500 85 166 249 -56.78 ± 13.62 1 98 132 19 0 -115.23 ± 29.26
435663 ncm-dbt-03 584748 500 83 165 252 -57.5 ± 14.49 0 108 116 26 0 -118.33 ± 31.7
435662 ncm-dbt-05 582068 500 77 168 255 -63.95 ± 14.64 0 116 109 25 0 -132.54 ± 32.75
435661 ncm-dbt-04 566454 500 83 164 253 -56.78 ± 14.6 1 105 118 26 0 -115.23 ± 31.41

Commit

Commit ID 0e89d6e7546d26a19a108d047b489d9ba6f7970c
Author Michel Van den Bergh
Date 2021-10-31 21:40:41 UTC
Do not output to stderr during the build. To help with debugging, the worker sends the output of stderr (suitable truncated) to the action log on the server, in case a build fails. For this to work it is important that there is no spurious output to stderr. closes https://github.com/official-stockfish/Stockfish/pull/3773 No functional change
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