Dev Builds » 20241004-0635

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 06:52:03 583749 4000 1555 506 1939 +93.29 ± 4.92 2 93 772 1120 13 +199.77 ± 12.24
ncm-dbt-02 06:53:05 586674 3998 1559 551 1888 +89.53 ± 4.94 1 96 816 1066 20 +188.42 ± 11.89
ncm-dbt-03 06:52:33 587088 4014 1596 533 1885 +94.26 ± 4.87 2 77 807 1098 23 +199.85 ± 11.93
ncm-dbt-04 06:53:10 571111 4022 1554 572 1896 +86.58 ± 4.93 3 101 832 1061 14 +182.99 ± 11.77
ncm-dbt-05 06:52:38 583659 3966 1553 524 1889 +92.25 ± 4.9 3 81 800 1082 17 +196.38 ± 11.99
20000 7817 2686 9497 +91.17 ± 2.2 11 448 4027 5427 87 +193.41 ± 5.35

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
380163 ncm-dbt-03 587282 14 4 2 8 +49.96 ± 94.42 0 1 3 3 0 +102.11 ± 234.06
380162 ncm-dbt-04 571632 22 10 4 8 +97.17 ± 55.9 0 0 5 6 0 +212.52 ± 167.4
380161 ncm-dbt-05 581569 466 190 83 193 +81.22 ± 13.27 0 8 110 115 0 +172.44 ± 31.98
380160 ncm-dbt-02 583614 498 190 77 231 +80.23 ± 13.66 0 12 114 121 2 +166.57 ± 31.7
380159 ncm-dbt-01 584159 500 195 50 255 +103.73 ± 14.03 1 10 83 155 1 +230.16 ± 37.67
380158 ncm-dbt-03 588217 500 205 59 236 +104.49 ± 13.05 0 7 91 151 1 +230.16 ± 35.78
380157 ncm-dbt-04 569669 500 193 72 235 +85.78 ± 14.07 0 16 97 137 0 +183.51 ± 34.76
380156 ncm-dbt-05 586181 500 193 60 247 +94.69 ± 14.39 0 12 98 135 5 +196.45 ± 34.53
380155 ncm-dbt-02 584579 500 182 67 251 +81.36 ± 14.11 0 15 107 126 2 +169.27 ± 32.98
380154 ncm-dbt-01 584495 500 183 67 250 +82.1 ± 14.56 0 18 100 130 2 +171.02 ± 34.23
380153 ncm-dbt-03 589710 500 211 73 216 +98.44 ± 13.82 0 10 95 142 3 +209.91 ± 35.06
380152 ncm-dbt-04 570709 500 194 77 229 +82.83 ± 14.0 0 11 116 118 5 +167.53 ± 31.34
380151 ncm-dbt-05 580489 500 200 63 237 +97.69 ± 12.49 0 5 103 142 0 +213.85 ± 33.21
380150 ncm-dbt-02 585843 500 200 63 237 +97.69 ± 13.97 0 10 97 139 4 +206.01 ± 34.66
380149 ncm-dbt-01 581943 500 211 67 222 +102.97 ± 13.54 0 10 87 152 1 +226.0 ± 36.75
380148 ncm-dbt-04 571873 500 198 82 220 +82.1 ± 14.27 1 13 107 127 2 +172.78 ± 32.96
380147 ncm-dbt-03 584832 500 190 64 246 +89.48 ± 13.84 1 10 102 136 1 +192.71 ± 33.75
380146 ncm-dbt-05 583740 500 190 64 246 +89.48 ± 13.84 0 13 99 137 1 +190.85 ± 34.36
380145 ncm-dbt-02 585169 500 192 53 255 +99.2 ± 13.35 0 6 103 137 4 +209.91 ± 33.29
380144 ncm-dbt-01 584159 500 186 63 251 +87.26 ± 14.1 0 15 98 136 1 +185.33 ± 34.57
380143 ncm-dbt-03 584790 500 211 64 225 +105.25 ± 13.88 0 9 89 148 4 +226.0 ± 36.29
380142 ncm-dbt-04 569789 500 187 64 249 +87.26 ± 14.4 0 16 97 135 2 +183.51 ± 34.76
380141 ncm-dbt-05 582945 500 193 58 249 +96.19 ± 13.95 1 9 96 142 2 +207.95 ± 34.86
380140 ncm-dbt-02 588728 500 198 76 226 +86.52 ± 14.08 0 12 108 126 4 +178.11 ± 32.72
380139 ncm-dbt-01 585590 500 203 68 229 +96.19 ± 13.48 0 10 96 143 1 +207.95 ± 34.86
380138 ncm-dbt-03 585421 500 185 64 251 +85.78 ± 12.82 0 7 116 126 1 +181.7 ± 31.08
380137 ncm-dbt-04 571310 500 184 62 254 +86.52 ± 13.63 0 11 108 129 2 +181.7 ± 32.68
380136 ncm-dbt-05 581902 500 191 67 242 +88.0 ± 13.81 1 7 113 125 4 +183.51 ± 31.65
380135 ncm-dbt-02 588558 500 196 64 240 +93.95 ± 13.61 0 10 100 138 2 +200.24 ± 34.09
380134 ncm-dbt-01 585169 500 184 63 253 +85.78 ± 14.36 1 12 105 129 3 +179.9 ± 33.27
380133 ncm-dbt-03 587877 500 204 66 230 +98.44 ± 15.18 1 13 89 141 6 +206.01 ± 36.33
380132 ncm-dbt-04 571471 500 201 70 229 +93.2 ± 13.6 1 8 101 139 1 +202.15 ± 33.85
380131 ncm-dbt-05 584874 500 194 69 237 +88.74 ± 14.13 1 12 99 137 1 +190.85 ± 34.36
380130 ncm-dbt-02 587197 500 193 81 226 +79.17 ± 14.05 0 16 107 126 1 +165.8 ± 33.0
380129 ncm-dbt-01 580696 500 195 56 249 +99.2 ± 13.02 0 6 101 141 2 +213.85 ± 33.67
380128 ncm-dbt-03 587240 500 196 70 234 +89.48 ± 13.53 0 8 112 126 4 +185.33 ± 31.82
380127 ncm-dbt-04 570709 500 190 83 227 +75.52 ± 13.94 1 14 112 123 0 +160.64 ± 32.15
380126 ncm-dbt-05 587579 500 202 60 238 +101.46 ± 14.78 0 15 82 149 4 +215.85 ± 37.82
380125 ncm-dbt-02 589710 500 208 70 222 +98.44 ± 14.74 1 15 80 153 1 +215.85 ± 38.24
380124 ncm-dbt-03 588430 500 190 71 239 +84.3 ± 13.88 0 12 110 125 3 +174.55 ± 32.38
380123 ncm-dbt-01 583782 500 198 72 230 +89.48 ± 13.84 0 12 102 134 2 +189.0 ± 33.78
380122 ncm-dbt-04 572840 500 197 58 245 +99.2 ± 13.99 0 12 89 147 2 +213.85 ± 36.34

Commit

Commit ID 81c1d310844e7b41caeabda0d5351ae275d799db
Author Taras Vuk
Date 2024-10-04 06:35:08 UTC
Decrease probCutBeta based on opponentWorsening Passed STC: LLR: 2.97 (-2.94,2.94) <0.00,2.00> Total: 62112 W: 16305 L: 15947 D: 29860 Ptnml(0-2): 203, 7226, 15856, 7552, 219 https://tests.stockfishchess.org/tests/view/66f85fc986d5ee47d953b71e Passed LTC: LLR: 2.94 (-2.94,2.94) <0.50,2.50> Total: 129552 W: 33223 L: 32710 D: 63619 Ptnml(0-2): 94, 14250, 35573, 14767, 92 https://tests.stockfishchess.org/tests/view/66f93fef86d5ee47d953b7d2 closes https://github.com/official-stockfish/Stockfish/pull/5615 bench: 1511354
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