Dev Builds » 20250118-1923

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 06:51:47 583688 4000 1545 518 1937 +91.25 ± 4.93 0 99 792 1092 17 +193.17 ± 12.08
ncm-dbt-02 06:52:30 586710 4000 1524 555 1921 +85.87 ± 4.94 3 108 812 1071 6 +183.06 ± 11.94
ncm-dbt-03 06:51:56 587176 4000 1539 539 1922 +88.74 ± 5.1 2 120 772 1088 18 +187.16 ± 12.26
ncm-dbt-04 06:51:40 570030 4000 1549 541 1910 +89.48 ± 4.91 0 100 806 1080 14 +189.46 ± 11.97
ncm-dbt-05 06:53:22 583505 4000 1522 546 1932 +86.52 ± 5.0 0 118 802 1066 14 +182.16 ± 12.02
20000 7679 2699 9622 +88.37 ± 2.23 5 545 3984 5397 69 +186.98 ± 5.39

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
396720 ncm-dbt-05 583237 500 189 71 240 +83.57 ± 14.88 0 18 100 128 4 +171.02 ± 34.23
396719 ncm-dbt-03 587113 500 190 79 231 +78.43 ± 14.88 0 21 99 128 2 +162.35 ± 34.39
396718 ncm-dbt-01 584327 500 184 57 259 +90.22 ± 13.86 0 13 98 138 1 +192.71 ± 34.55
396717 ncm-dbt-04 571351 500 201 70 229 +93.2 ± 13.6 0 11 98 140 1 +200.24 ± 34.5
396716 ncm-dbt-02 585632 500 188 71 241 +82.83 ± 14.0 1 12 107 129 1 +176.33 ± 32.93
396715 ncm-dbt-05 581444 500 197 69 234 +90.97 ± 13.56 0 12 98 140 0 +196.45 ± 34.53
396714 ncm-dbt-03 587240 500 190 73 237 +82.83 ± 14.0 0 13 110 124 3 +171.02 ± 32.42
396713 ncm-dbt-01 582945 500 197 60 243 +97.69 ± 13.82 0 9 99 138 4 +206.01 ± 34.24
396712 ncm-dbt-02 585717 500 191 72 237 +84.31 ± 14.76 1 17 95 136 1 +179.9 ± 35.13
396711 ncm-dbt-04 568275 500 201 77 222 +88.0 ± 14.41 0 15 99 133 3 +183.51 ± 34.39
396710 ncm-dbt-05 583489 500 188 63 249 +88.74 ± 14.28 0 16 94 139 1 +189.0 ± 35.33
396709 ncm-dbt-03 588899 500 188 72 240 +82.1 ± 14.42 1 15 102 131 1 +174.55 ± 33.86
396708 ncm-dbt-01 584874 500 193 63 244 +92.45 ± 13.27 0 8 106 134 2 +196.45 ± 32.87
396707 ncm-dbt-02 588302 500 187 68 245 +84.3 ± 13.88 0 14 104 131 1 +178.11 ± 33.48
396706 ncm-dbt-04 569869 500 194 69 237 +88.74 ± 13.36 0 9 109 130 2 +187.16 ± 32.4
396705 ncm-dbt-03 583698 500 188 68 244 +85.04 ± 15.06 1 19 90 139 1 +181.7 ± 36.03
396704 ncm-dbt-05 584076 500 198 81 221 +82.83 ± 14.29 0 15 106 126 3 +171.02 ± 33.15
396703 ncm-dbt-01 584243 500 178 82 240 +67.54 ± 14.65 0 23 109 117 1 +138.99 ± 32.74
396702 ncm-dbt-02 587452 500 186 67 247 +84.31 ± 14.03 1 11 108 128 2 +178.11 ± 32.72
396701 ncm-dbt-04 571270 500 188 66 246 +86.52 ± 14.38 0 14 104 128 4 +178.11 ± 33.48
396700 ncm-dbt-03 587155 500 195 58 247 +97.69 ± 13.97 0 12 91 145 2 +209.91 ± 35.92
396699 ncm-dbt-05 581777 500 191 55 254 +96.94 ± 13.33 0 8 100 140 2 +207.95 ± 33.99
396698 ncm-dbt-01 584369 500 188 70 242 +83.57 ± 14.6 0 15 107 123 5 +169.27 ± 32.98
396697 ncm-dbt-02 587452 500 197 78 225 +84.31 ± 14.33 0 18 95 137 0 +179.9 ± 35.13
396696 ncm-dbt-04 570268 500 196 63 241 +94.69 ± 13.93 0 12 95 141 2 +202.15 ± 35.11
396695 ncm-dbt-03 585885 500 188 67 245 +85.78 ± 14.65 0 17 98 132 3 +178.11 ± 34.58
396694 ncm-dbt-05 583196 500 186 57 257 +91.71 ± 14.04 0 14 94 141 1 +196.45 ± 35.33
396693 ncm-dbt-01 583321 500 198 60 242 +98.44 ± 13.67 0 10 94 144 2 +211.87 ± 35.26
396692 ncm-dbt-04 569190 500 173 76 251 +68.27 ± 13.97 0 18 118 113 1 +140.62 ± 31.28
396691 ncm-dbt-02 587028 500 199 70 231 +91.71 ± 13.57 0 11 100 138 1 +196.45 ± 34.12
396690 ncm-dbt-03 587409 500 202 63 235 +99.2 ± 14.6 0 14 87 145 4 +209.91 ± 36.75
396689 ncm-dbt-01 581985 500 209 69 222 +99.95 ± 13.52 0 10 91 148 1 +217.85 ± 35.89
396688 ncm-dbt-05 582778 500 188 77 235 +78.44 ± 13.42 0 13 113 124 0 +165.8 ± 31.92
396687 ncm-dbt-04 569709 500 196 59 245 +97.69 ± 13.66 0 12 89 149 0 +213.85 ± 36.34
396686 ncm-dbt-02 582861 500 187 63 250 +88.0 ± 13.03 0 9 108 133 0 +189.0 ± 32.58
396685 ncm-dbt-03 590010 500 198 59 243 +99.2 ± 13.51 0 9 95 144 2 +213.85 ± 35.03
396684 ncm-dbt-01 583447 500 198 57 245 +100.7 ± 13.69 0 11 88 150 1 +219.87 ± 36.54
396683 ncm-dbt-02 589240 500 189 66 245 +87.26 ± 14.1 0 16 95 139 0 +187.16 ± 35.14
396682 ncm-dbt-04 570308 500 200 61 239 +99.2 ± 13.35 0 9 94 146 1 +215.85 ± 35.23
396681 ncm-dbt-05 588047 500 185 73 242 +79.17 ± 15.17 0 22 97 128 3 +162.35 ± 34.72

Commit

Commit ID 3104cd72d531dd4908bbaa01d3206a62112c3c74
Author mstembera
Date 2025-01-18 19:23:10 UTC
Fix initialization of TTData. https://tests.stockfishchess.org/tests/view/6757757686d5ee47d9541de9 LLR: 2.93 (-2.94,2.94) <-1.75,0.25> Total: 151200 W: 39396 L: 39306 D: 72498 Ptnml(0-2): 445, 16404, 41781, 16556, 414 Discussed in more detail here #5766 closes https://github.com/official-stockfish/Stockfish/pull/5773 No functional change
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