Dev Builds » 20250118-2004

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 06:51:34 584050 4002 1560 530 1912 +91.48 ± 4.88 2 88 804 1092 15 +194.69 ± 11.97
ncm-dbt-02 06:51:17 587644 4000 1539 503 1958 +92.08 ± 4.86 3 80 811 1090 16 +196.22 ± 11.91
ncm-dbt-03 06:50:22 587763 4000 1598 527 1875 +95.35 ± 4.79 2 70 800 1111 17 +204.07 ± 11.97
ncm-dbt-04 06:51:28 569954 3998 1551 527 1920 +91.01 ± 4.92 2 94 795 1094 14 +193.76 ± 12.05
ncm-dbt-05 06:50:57 583812 4000 1562 518 1920 +92.83 ± 4.86 1 83 805 1093 18 +197.16 ± 11.96
20000 7810 2605 9585 +92.55 ± 2.17 10 415 4015 5480 80 +197.16 ± 5.35

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
396203 ncm-dbt-01 582903 2 1 0 1 +189.7 ± 55.98 0 0 0 1 0 +1129.65 ± 376.02
396202 ncm-dbt-04 569669 498 197 59 242 +98.86 ± 13.71 0 9 96 141 3 +210.97 ± 34.82
396201 ncm-dbt-02 586943 500 188 58 254 +92.45 ± 13.43 0 9 104 135 2 +196.45 ± 33.3
396200 ncm-dbt-05 578959 500 193 54 253 +99.2 ± 13.51 0 9 95 144 2 +213.85 ± 35.03
396199 ncm-dbt-03 587622 500 195 78 227 +82.83 ± 14.58 2 12 105 129 2 +176.33 ± 33.3
396198 ncm-dbt-01 584117 500 192 70 238 +86.52 ± 13.47 0 11 107 131 1 +183.51 ± 32.85
396197 ncm-dbt-04 569669 500 195 78 227 +82.83 ± 14.0 1 12 107 129 1 +176.33 ± 32.93
396196 ncm-dbt-02 587367 500 196 67 237 +91.71 ± 13.09 0 9 103 138 0 +198.34 ± 33.48
396195 ncm-dbt-05 583112 500 199 70 231 +91.71 ± 13.73 0 12 98 139 1 +196.45 ± 34.53
396194 ncm-dbt-03 586774 500 197 55 248 +101.46 ± 13.04 0 6 98 144 2 +219.87 ± 34.26
396193 ncm-dbt-01 584369 500 190 63 247 +90.22 ± 13.86 1 11 98 140 0 +196.45 ± 34.53
396192 ncm-dbt-04 571190 500 187 64 249 +87.26 ± 14.4 0 15 100 132 3 +181.7 ± 34.21
396191 ncm-dbt-03 587325 500 203 60 237 +102.22 ± 13.7 0 10 89 149 2 +221.9 ± 36.31
396190 ncm-dbt-02 588899 500 190 61 249 +91.71 ± 14.49 0 14 97 135 4 +190.85 ± 34.75
396189 ncm-dbt-05 581818 500 194 55 251 +99.2 ± 13.35 0 10 91 149 0 +217.85 ± 35.89
396188 ncm-dbt-01 583656 500 182 54 264 +90.96 ± 12.92 0 7 109 133 1 +194.57 ± 32.27
396187 ncm-dbt-04 570829 500 198 56 246 +101.46 ± 12.69 0 5 99 145 1 +221.9 ± 33.98
396186 ncm-dbt-02 585928 500 191 58 251 +94.7 ± 13.62 1 8 99 141 1 +206.01 ± 34.24
396185 ncm-dbt-03 588643 500 206 73 221 +94.69 ± 13.14 0 8 102 139 1 +204.07 ± 33.61
396184 ncm-dbt-01 582068 500 198 74 228 +88.0 ± 14.41 0 16 96 136 2 +185.33 ± 34.95
396183 ncm-dbt-05 584369 500 193 65 242 +90.96 ± 13.24 0 7 111 129 3 +190.85 ± 31.92
396182 ncm-dbt-04 569549 500 194 61 245 +94.69 ± 12.97 0 8 101 141 0 +206.01 ± 33.8
396181 ncm-dbt-02 586985 500 197 62 241 +96.19 ± 13.16 0 8 100 141 1 +207.95 ± 33.99
396180 ncm-dbt-03 585126 500 198 70 232 +90.96 ± 13.08 0 8 107 134 1 +194.57 ± 32.69
396179 ncm-dbt-01 583279 500 195 70 235 +88.74 ± 14.43 0 17 92 140 1 +189.0 ± 35.7
396178 ncm-dbt-05 580489 500 201 74 225 +90.22 ± 14.01 0 11 105 130 4 +187.16 ± 33.21
396177 ncm-dbt-04 568951 500 201 79 220 +86.52 ± 14.67 1 14 100 132 3 +181.7 ± 34.21
396176 ncm-dbt-03 588856 500 197 63 240 +95.44 ± 13.63 0 11 95 143 1 +206.01 ± 35.09
396175 ncm-dbt-02 587579 500 190 76 234 +80.63 ± 13.18 0 10 117 122 1 +169.27 ± 31.12
396174 ncm-dbt-05 582569 500 190 70 240 +85.04 ± 14.78 1 15 100 131 3 +178.11 ± 34.22
396173 ncm-dbt-01 584327 500 195 61 244 +95.44 ± 13.63 0 7 107 131 5 +198.34 ± 32.63
396172 ncm-dbt-03 587834 500 203 60 237 +102.22 ± 13.04 0 6 97 145 2 +221.9 ± 34.46
396171 ncm-dbt-04 569909 500 186 65 249 +85.78 ± 14.51 0 18 94 137 1 +181.7 ± 35.31
396170 ncm-dbt-02 588174 500 196 64 240 +93.95 ± 14.38 1 10 99 136 4 +198.34 ± 34.31
396169 ncm-dbt-05 585211 500 199 66 235 +94.69 ± 13.46 0 7 107 132 4 +198.34 ± 32.63
396168 ncm-dbt-01 584748 500 206 61 233 +103.73 ± 14.19 1 8 90 147 4 +223.94 ± 36.07
396167 ncm-dbt-03 589924 500 199 68 233 +93.2 ± 14.06 0 9 107 128 6 +190.85 ± 32.75
396166 ncm-dbt-02 589283 500 191 57 252 +95.44 ± 14.55 1 12 92 142 3 +204.07 ± 35.72
396165 ncm-dbt-05 593976 500 193 64 243 +91.71 ± 13.73 0 12 98 139 1 +196.45 ± 34.53
396164 ncm-dbt-04 569869 500 193 65 242 +90.96 ± 14.02 0 13 98 137 2 +192.71 ± 34.55
396163 ncm-dbt-01 586985 500 201 77 222 +88.0 ± 13.5 0 11 105 133 1 +187.16 ± 33.21

Commit

Commit ID 7701d0b3c4600423bfaf42f582f32e478fa88532
Author Michael Chaly
Date 2025-01-18 20:04:55 UTC
Introduce one more continuation history This one is counter counter counter history - with really low update value and divided by 3 in movepicker unlike the other ones. Passed STC: https://tests.stockfishchess.org/tests/view/67861495460e2910c51de720 LLR: 2.93 (-2.94,2.94) <0.00,2.00> Total: 44352 W: 11699 L: 11370 D: 21283 Ptnml(0-2): 156, 5098, 11361, 5383, 178 Passed LTC: https://tests.stockfishchess.org/tests/view/6786e89e3b8f206a2696b646 LLR: 2.94 (-2.94,2.94) <0.50,2.50> Total: 432660 W: 110355 L: 109207 D: 213098 Ptnml(0-2): 381, 48214, 118039, 49268, 428 closes https://github.com/official-stockfish/Stockfish/pull/5792 Bench: 1491837
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