Dev Builds » 20250112-2036

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 06:51:27 584698 4010 1583 575 1852 +89.25 ± 4.9 1 95 821 1071 17 +188.43 ± 11.85
ncm-dbt-02 06:51:14 586180 4000 1569 522 1909 +93.11 ± 4.99 4 93 773 1112 18 +198.58 ± 12.24
ncm-dbt-03 06:50:54 586643 3990 1571 530 1889 +92.79 ± 4.89 2 87 789 1102 15 +198.0 ± 12.09
ncm-dbt-04 06:51:58 570201 4000 1545 562 1893 +87.17 ± 4.94 0 103 829 1050 18 +182.83 ± 11.79
ncm-dbt-05 06:50:58 585117 4000 1569 570 1861 +88.65 ± 4.94 0 102 815 1065 18 +186.48 ± 11.9
20000 7837 2759 9404 +90.19 ± 2.21 7 480 4027 5400 86 +190.8 ± 5.35

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
395200 ncm-dbt-01 584874 10 5 2 3 +107.43 ± 84.35 0 0 2 3 0 +240.65 ± 570.11
395199 ncm-dbt-03 584874 490 201 52 237 +109.1 ± 13.04 0 7 82 156 0 +245.29 ± 37.84
395198 ncm-dbt-04 568236 500 196 80 224 +82.1 ± 14.84 0 21 93 135 1 +172.78 ± 35.45
395197 ncm-dbt-02 585295 500 191 64 245 +90.22 ± 14.31 2 10 98 139 1 +196.45 ± 34.53
395196 ncm-dbt-05 586774 500 205 86 209 +84.3 ± 14.76 0 17 101 128 4 +172.78 ± 34.05
395195 ncm-dbt-01 586520 500 197 73 230 +88.0 ± 14.27 0 15 98 135 2 +185.33 ± 34.57
395194 ncm-dbt-04 571150 500 193 58 249 +96.19 ± 13.64 0 10 97 141 2 +206.01 ± 34.66
395193 ncm-dbt-03 586435 500 197 67 236 +92.45 ± 14.2 0 13 97 137 3 +194.57 ± 34.74
395192 ncm-dbt-02 588941 500 207 79 214 +90.96 ± 13.72 0 8 111 126 5 +187.16 ± 31.99
395191 ncm-dbt-05 583866 500 195 69 236 +89.48 ± 13.84 0 12 102 134 2 +189.0 ± 33.78
395190 ncm-dbt-01 583656 500 191 82 227 +76.97 ± 14.13 0 16 111 121 2 +158.93 ± 32.34
395189 ncm-dbt-04 571351 500 195 78 227 +82.83 ± 14.72 0 18 100 129 3 +171.02 ± 34.23
395188 ncm-dbt-03 588004 500 193 68 239 +88.74 ± 14.86 1 14 98 133 4 +185.33 ± 34.57
395187 ncm-dbt-05 584537 500 208 68 224 +99.95 ± 13.36 0 7 99 141 3 +213.85 ± 34.13
395186 ncm-dbt-02 585126 500 189 58 253 +93.2 ± 14.21 0 11 102 132 5 +192.71 ± 33.75
395185 ncm-dbt-01 585295 500 201 67 232 +95.44 ± 14.25 0 13 93 141 3 +202.15 ± 35.52
395184 ncm-dbt-04 570669 500 193 72 235 +85.78 ± 13.61 0 10 112 125 3 +178.11 ± 31.94
395183 ncm-dbt-03 586097 500 190 63 247 +90.22 ± 14.31 0 16 92 141 1 +192.71 ± 35.72
395182 ncm-dbt-05 583447 500 203 76 221 +90.22 ± 13.86 0 13 98 138 1 +192.71 ± 34.55
395181 ncm-dbt-01 583489 500 194 67 239 +90.22 ± 13.39 0 10 104 135 1 +192.71 ± 33.34
395180 ncm-dbt-02 588600 500 199 60 241 +99.2 ± 13.83 1 9 91 148 1 +217.85 ± 35.89
395179 ncm-dbt-03 586012 500 199 58 243 +100.7 ± 13.2 0 8 94 147 1 +219.87 ± 35.19
395178 ncm-dbt-04 569390 500 193 54 253 +99.2 ± 13.51 0 6 104 135 5 +207.95 ± 33.1
395177 ncm-dbt-05 588047 500 190 70 240 +85.04 ± 13.75 0 14 102 134 0 +181.7 ± 33.83
395176 ncm-dbt-01 582694 500 207 67 226 +99.95 ± 12.86 0 5 102 141 2 +215.85 ± 33.4
395175 ncm-dbt-02 584243 500 200 65 235 +96.19 ± 13.48 0 10 96 143 1 +207.95 ± 34.86
395174 ncm-dbt-03 588302 500 197 71 232 +89.48 ± 13.69 0 11 104 133 2 +189.0 ± 33.39
395173 ncm-dbt-02 586435 500 193 70 237 +87.26 ± 14.1 0 15 98 136 1 +185.33 ± 34.57
395172 ncm-dbt-04 570228 500 187 65 248 +86.52 ± 13.78 0 11 109 127 3 +179.9 ± 32.5
395171 ncm-dbt-01 584958 500 207 80 213 +90.22 ± 14.16 0 12 103 131 4 +187.16 ± 33.6
395170 ncm-dbt-05 586097 500 187 65 248 +86.52 ± 13.78 0 12 106 130 2 +181.7 ± 33.07
395169 ncm-dbt-03 586604 500 204 76 220 +90.96 ± 13.4 0 8 109 130 3 +190.85 ± 32.34
395168 ncm-dbt-04 568554 500 195 78 227 +82.83 ± 13.7 0 14 105 131 0 +176.33 ± 33.3
395167 ncm-dbt-02 584201 500 190 70 240 +85.04 ± 14.78 0 19 94 135 2 +178.11 ± 35.3
395166 ncm-dbt-01 585295 500 188 69 243 +84.31 ± 13.58 1 9 111 128 1 +179.9 ± 32.11
395165 ncm-dbt-05 586393 500 194 70 236 +88.0 ± 13.66 0 13 100 137 0 +189.0 ± 34.18
395164 ncm-dbt-03 586816 500 190 75 235 +81.37 ± 13.66 1 10 113 125 1 +172.78 ± 31.83
395163 ncm-dbt-01 585506 500 193 68 239 +88.74 ± 14.28 0 15 97 136 2 +187.16 ± 34.76
395162 ncm-dbt-04 572034 500 193 77 230 +82.1 ± 13.68 0 13 109 127 1 +172.78 ± 32.58
395161 ncm-dbt-05 581777 500 187 66 247 +85.78 ± 14.65 0 14 107 123 6 +172.78 ± 32.96
395160 ncm-dbt-02 586604 500 200 56 244 +102.97 ± 14.34 1 11 83 153 2 +226.0 ± 37.66

Commit

Commit ID 93edf7a74cdb6871e43f66716a8a07912eedc14f
Author Muzhen Gaming
Date 2025-01-12 20:36:31 UTC
VVLTC Search Tune Values were tuned with 118k VVLTC games. Tested against #5764. Passed VVLTC 1st sprt: https://tests.stockfishchess.org/tests/view/678331226ddf09c0b4b6fd78 LLR: 2.94 (-2.94,2.94) <0.00,2.00> Total: 43556 W: 11219 L: 10942 D: 21395 Ptnml(0-2): 2, 3975, 13549, 4248, 4 Passed VVLTC 2nd sprt: https://tests.stockfishchess.org/tests/view/67834aa06ddf09c0b4b6fe34 LLR: 2.95 (-2.94,2.94) <0.50,2.50> Total: 37150 W: 9577 L: 9285 D: 18288 Ptnml(0-2): 2, 3344, 11593, 3632, 4 closes https://github.com/official-stockfish/Stockfish/pull/5765 Bench: 1258128
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