Dev Builds » 20250118-2024

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 06:49:08 584139 4010 1585 531 1894 +93.52 ± 4.9 4 81 795 1107 18 +199.62 ± 12.04
ncm-dbt-02 06:48:45 585492 4010 1577 565 1868 +89.62 ± 4.92 3 94 811 1082 15 +190.27 ± 11.93
ncm-dbt-03 06:49:03 587177 4000 1571 537 1892 +91.9 ± 4.91 1 93 793 1097 16 +195.28 ± 12.07
ncm-dbt-04 06:48:26 569987 3990 1531 560 1899 +86.28 ± 4.9 4 91 842 1046 12 +182.93 ± 11.68
ncm-dbt-05 06:49:23 584379 3990 1552 521 1917 +91.86 ± 5.06 2 105 771 1094 23 +193.76 ± 12.26
20000 7816 2714 9470 +90.63 ± 2.21 14 464 4012 5426 84 +192.33 ± 5.36

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
396074 ncm-dbt-02 581610 10 4 1 5 +107.43 ± 84.35 0 0 2 3 0 +240.65 ± 570.11
396073 ncm-dbt-01 584706 10 3 0 7 +107.43 ± 84.35 0 0 2 3 0 +240.65 ± 570.11
396072 ncm-dbt-04 569909 490 186 50 254 +99.03 ± 14.18 0 11 90 141 3 +211.31 ± 36.1
396071 ncm-dbt-05 585084 490 199 52 239 +107.54 ± 14.72 2 6 85 147 5 +234.25 ± 37.15
396070 ncm-dbt-03 588132 500 194 67 239 +90.22 ± 13.86 0 13 98 138 1 +192.71 ± 34.55
396069 ncm-dbt-01 583740 500 206 82 212 +88.0 ± 14.27 0 13 104 129 4 +181.7 ± 33.45
396068 ncm-dbt-02 585421 500 197 68 235 +91.71 ± 14.78 1 13 96 136 4 +192.71 ± 34.94
396067 ncm-dbt-04 567997 500 191 70 239 +85.78 ± 14.94 1 17 94 136 2 +181.7 ± 35.31
396066 ncm-dbt-05 581818 500 184 80 236 +73.34 ± 14.15 0 19 108 123 0 +153.86 ± 32.88
396065 ncm-dbt-03 587070 500 197 82 221 +81.36 ± 14.54 0 16 107 123 4 +165.8 ± 33.0
396064 ncm-dbt-01 584285 500 198 60 242 +98.44 ± 13.82 1 7 98 141 3 +211.87 ± 34.38
396063 ncm-dbt-02 585928 500 202 73 225 +91.71 ± 12.6 0 3 118 126 3 +192.71 ± 30.36
396062 ncm-dbt-04 572114 500 182 67 251 +81.37 ± 13.96 1 12 109 127 1 +172.78 ± 32.58
396061 ncm-dbt-05 583740 500 192 75 233 +82.83 ± 14.29 0 17 100 132 1 +174.55 ± 34.22
396060 ncm-dbt-01 586181 500 195 64 241 +93.2 ± 13.91 1 10 97 141 1 +202.15 ± 34.7
396059 ncm-dbt-03 587919 500 196 65 239 +93.2 ± 14.51 0 15 92 140 3 +196.45 ± 35.72
396058 ncm-dbt-02 585548 500 189 71 240 +83.57 ± 14.01 1 12 106 130 1 +178.11 ± 33.1
396057 ncm-dbt-04 568832 500 181 68 251 +79.9 ± 13.77 0 14 110 125 1 +167.53 ± 32.45
396056 ncm-dbt-05 584076 500 196 71 233 +88.74 ± 13.52 0 10 107 131 2 +187.16 ± 32.81
396055 ncm-dbt-01 585084 500 201 63 236 +98.44 ± 13.51 0 7 102 137 4 +207.95 ± 33.55
396054 ncm-dbt-03 585717 500 183 57 260 +89.48 ± 13.84 0 13 99 137 1 +190.85 ± 34.36
396053 ncm-dbt-02 586223 500 192 61 247 +93.2 ± 13.12 1 3 113 130 3 +198.34 ± 31.31
396052 ncm-dbt-04 569709 500 196 71 233 +88.74 ± 12.88 0 6 115 127 2 +187.16 ± 31.16
396051 ncm-dbt-05 584664 500 196 60 244 +96.94 ± 14.72 0 15 88 143 4 +204.07 ± 36.53
396050 ncm-dbt-01 583782 500 193 72 235 +85.78 ± 13.46 1 9 108 132 0 +185.33 ± 32.63
396049 ncm-dbt-02 588047 500 203 76 221 +90.22 ± 14.46 0 16 93 139 2 +190.85 ± 35.52
396048 ncm-dbt-03 588217 500 201 65 234 +96.94 ± 13.0 0 5 107 135 3 +206.01 ± 32.46
396047 ncm-dbt-04 565902 500 196 90 214 +74.79 ± 14.63 2 16 106 126 0 +160.64 ± 33.2
396046 ncm-dbt-05 582485 500 189 65 246 +88.0 ± 13.66 0 10 109 128 3 +183.51 ± 32.46
396045 ncm-dbt-01 581111 500 196 54 250 +101.46 ± 14.17 0 12 87 148 3 +217.85 ± 36.77
396044 ncm-dbt-03 587070 500 199 68 233 +93.2 ± 13.44 1 7 103 138 1 +202.15 ± 33.42
396043 ncm-dbt-02 583237 500 200 70 230 +92.45 ± 14.2 0 16 88 146 0 +200.24 ± 36.52
396042 ncm-dbt-04 573123 500 194 73 233 +85.78 ± 13.61 0 11 109 128 2 +179.9 ± 32.5
396041 ncm-dbt-05 586054 500 193 63 244 +92.45 ± 14.2 0 14 94 140 2 +196.45 ± 35.33
396040 ncm-dbt-01 583321 500 196 68 236 +90.97 ± 14.02 1 9 104 133 3 +192.71 ± 33.34
396039 ncm-dbt-03 585674 500 195 78 227 +82.83 ± 14.0 0 13 110 124 3 +171.02 ± 32.42
396038 ncm-dbt-02 587282 500 195 71 234 +88.0 ± 14.12 0 15 97 137 1 +187.16 ± 34.76
396037 ncm-dbt-04 572316 500 205 71 224 +95.44 ± 12.47 0 4 109 136 1 +206.01 ± 32.01
396036 ncm-dbt-02 586139 500 195 74 231 +85.78 ± 14.22 0 16 98 135 1 +181.7 ± 34.58
396035 ncm-dbt-05 587113 500 203 55 242 +106.01 ± 14.97 0 14 80 150 6 +223.94 ± 38.31
396034 ncm-dbt-03 587622 500 206 55 239 +108.3 ± 13.56 0 11 77 162 0 +243.0 ± 39.13
396033 ncm-dbt-01 585042 500 197 68 235 +91.71 ± 13.88 0 14 93 143 0 +198.34 ± 35.52

Commit

Commit ID 738ac2a10025ca58198e3d2d7f0bc70d83c2cb7f
Author Shawn Xu
Date 2025-01-18 20:24:01 UTC
tuned TM values Tuned 70k games at 240+2.4 th 2: https://tests.stockfishchess.org/tests/view/6783b1b16ddf09c0b4b703f5 Failed STC: LLR: -2.93 (-2.94,2.94) <0.00,2.00> Total: 491872 W: 128260 L: 127804 D: 235808 Ptnml(0-2): 1579, 55449, 131572, 55609, 1727 https://tests.stockfishchess.org/tests/view/6785a045460e2910c51de4b8 Passed LTC: LLR: 2.94 (-2.94,2.94) <0.00,2.00> Total: 154824 W: 39315 L: 38874 D: 76635 Ptnml(0-2): 110, 15809, 45147, 16222, 124 https://tests.stockfishchess.org/tests/view/678ac722c00c743bc9e9fc35 Passed VLTC: LLR: 2.95 (-2.94,2.94) <0.50,2.50> Total: 77404 W: 19825 L: 19452 D: 38127 Ptnml(0-2): 18, 7262, 23765, 7643, 14 https://tests.stockfishchess.org/tests/view/678b2a98c00c743bc9ea048c closes https://github.com/official-stockfish/Stockfish/pull/5796 No functional change
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