Dev Builds » 20240529-1701

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 06:52:26 584654 3994 1525 576 1893 +84.16 ± 4.97 2 107 844 1028 16 +176.42 ± 11.69
ncm-dbt-02 06:52:42 587424 4014 1503 646 1865 +75.34 ± 5.0 2 133 889 972 11 +156.61 ± 11.39
ncm-dbt-03 06:52:02 586878 4014 1516 560 1938 +84.37 ± 5.08 4 115 830 1037 21 +176.26 ± 11.81
ncm-dbt-04 06:51:17 570788 3978 1482 579 1917 +80.27 ± 4.95 2 109 876 988 14 +167.52 ± 11.45
ncm-dbt-05 06:51:40 583759 4000 1511 582 1907 +82.19 ± 4.93 2 107 865 1012 14 +172.12 ± 11.53
20000 7537 2943 9520 +81.26 ± 2.23 12 571 4304 5037 76 +169.71 ± 5.17

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
387036 ncm-dbt-02 588345 14 5 0 9 +129.72 ± 68.06 0 0 2 5 0 +311.09 ± 530.6
387035 ncm-dbt-03 588302 14 6 2 6 +102.04 ± 70.73 0 0 3 4 0 +225.59 ± 263.0
387034 ncm-dbt-04 568077 478 186 73 219 +83.72 ± 14.92 1 13 100 122 3 +174.74 ± 34.15
387033 ncm-dbt-01 584243 494 184 70 240 +81.65 ± 14.08 0 16 101 130 0 +173.46 ± 34.03
387032 ncm-dbt-05 580655 500 203 70 227 +94.69 ± 13.93 0 11 98 138 3 +200.24 ± 34.5
387031 ncm-dbt-03 586054 500 195 81 224 +80.63 ± 14.09 0 13 114 119 4 +164.07 ± 31.75
387030 ncm-dbt-02 587537 500 187 86 227 +71.16 ± 13.93 0 18 113 119 0 +148.85 ± 32.06
387029 ncm-dbt-04 569430 500 196 80 224 +82.1 ± 14.27 0 18 98 134 0 +174.55 ± 34.58
387028 ncm-dbt-01 583782 500 199 75 226 +88.0 ± 14.7 1 14 98 134 3 +185.33 ± 34.57
387027 ncm-dbt-05 580738 500 183 68 249 +81.37 ± 14.11 1 12 110 125 2 +171.02 ± 32.42
387026 ncm-dbt-02 589454 500 189 86 225 +72.61 ± 13.54 0 15 117 118 0 +152.18 ± 31.35
387025 ncm-dbt-03 586350 500 182 62 256 +85.04 ± 14.35 0 15 103 129 3 +176.33 ± 33.67
387024 ncm-dbt-04 571793 500 176 75 249 +71.16 ± 13.49 0 15 119 116 0 +148.85 ± 31.04
387023 ncm-dbt-01 583614 500 182 88 230 +66.1 ± 14.45 1 18 119 110 2 +135.76 ± 31.16
387022 ncm-dbt-05 586731 500 193 75 232 +83.57 ± 13.87 0 13 108 127 2 +174.55 ± 32.75
387021 ncm-dbt-02 583028 500 183 86 231 +68.27 ± 15.73 2 24 101 121 2 +142.26 ± 34.0
387020 ncm-dbt-03 586943 500 197 66 237 +93.2 ± 14.95 2 13 89 144 2 +202.15 ± 36.32
387019 ncm-dbt-04 571551 500 181 65 254 +82.1 ± 14.56 1 13 109 123 4 +169.27 ± 32.62
387018 ncm-dbt-01 585337 500 187 72 241 +81.36 ± 13.81 0 14 108 127 1 +171.02 ± 32.78
387017 ncm-dbt-02 588941 500 185 72 243 +79.9 ± 14.5 0 18 103 127 2 +165.8 ± 33.7
387016 ncm-dbt-05 585211 500 172 73 255 +69.71 ± 13.59 0 15 122 112 1 +143.89 ± 30.58
387015 ncm-dbt-03 587622 500 202 73 225 +91.71 ± 14.63 1 13 95 138 3 +194.57 ± 35.13
387014 ncm-dbt-04 571310 500 183 74 243 +76.97 ± 13.98 0 15 113 120 2 +158.93 ± 31.99
387013 ncm-dbt-01 584327 500 193 66 241 +90.22 ± 13.86 0 10 107 129 4 +187.16 ± 32.81
387012 ncm-dbt-05 587579 500 189 76 235 +79.9 ± 13.77 1 11 113 124 1 +169.27 ± 31.88
387011 ncm-dbt-03 582987 500 176 68 256 +76.25 ± 14.39 1 14 114 118 3 +157.24 ± 31.83
387010 ncm-dbt-02 587325 500 188 76 236 +79.17 ± 12.98 0 8 124 116 2 +164.07 ± 29.87
387009 ncm-dbt-04 569589 500 178 67 255 +78.43 ± 13.42 0 11 119 118 2 +162.35 ± 30.85
387008 ncm-dbt-05 580033 500 196 74 230 +86.52 ± 13.93 0 15 98 137 0 +185.33 ± 34.57
387007 ncm-dbt-01 585548 500 191 68 241 +87.26 ± 13.01 0 7 115 126 2 +183.51 ± 31.24
387006 ncm-dbt-02 587325 500 189 75 236 +80.63 ± 14.23 0 16 106 126 2 +167.53 ± 33.17
387005 ncm-dbt-03 583237 500 188 65 247 +87.26 ± 14.25 0 13 105 128 4 +179.9 ± 33.27
387004 ncm-dbt-04 570869 500 188 71 241 +82.83 ± 13.7 0 14 105 131 0 +176.33 ± 33.3
387003 ncm-dbt-01 583614 500 187 63 250 +88.0 ± 14.12 0 14 100 134 2 +185.33 ± 34.19
387002 ncm-dbt-02 587579 500 185 80 235 +74.06 ± 14.03 0 15 118 114 3 +150.51 ± 31.19
387001 ncm-dbt-03 589368 500 182 72 246 +77.7 ± 14.44 0 18 106 124 2 +160.64 ± 33.2
387000 ncm-dbt-05 582694 500 185 78 237 +75.52 ± 13.94 0 15 115 118 2 +155.54 ± 31.67
386999 ncm-dbt-04 573689 500 194 74 232 +85.04 ± 13.6 0 10 113 124 3 +176.33 ± 31.78
386998 ncm-dbt-01 586774 500 202 74 224 +90.96 ± 14.17 0 14 96 138 2 +192.71 ± 34.94
386997 ncm-dbt-03 591039 500 188 71 241 +82.83 ± 14.0 0 16 101 133 0 +176.33 ± 34.04
386996 ncm-dbt-02 587282 500 192 85 223 +75.52 ± 14.23 0 19 105 126 0 +158.93 ± 33.37
386995 ncm-dbt-05 586435 500 190 68 242 +86.52 ± 14.38 0 15 101 131 3 +179.9 ± 34.03

Commit

Commit ID ae7eef51fde6d74f1a10269dec36bf6d80855a0a
Author Shawn Xu
Date 2024-05-29 17:01:50 UTC
Simplify Fail Low Bonus Formula Tested against PR #5299 Passed Non-regression STC: LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 76352 W: 19797 L: 19619 D: 36936 Ptnml(0-2): 236, 9017, 19509, 9161, 253 https://tests.stockfishchess.org/tests/view/66564f60a86388d5e27dd307 Passed Non-regression LTC: LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 114624 W: 28946 L: 28821 D: 56857 Ptnml(0-2): 59, 12675, 31714, 12810, 54 https://tests.stockfishchess.org/tests/view/6656543da86388d5e27dd329 closes https://github.com/official-stockfish/Stockfish/pull/5301 Bench: 1212167
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