Dev Builds » 20240909-1534

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 06:49:36 585166 4000 1509 573 1918 +82.83 ± 4.92 1 110 852 1026 11 +174.11 ± 11.63
ncm-dbt-02 06:51:20 587649 4012 1497 561 1954 +82.58 ± 5.01 1 126 826 1042 11 +173.5 ± 11.84
ncm-dbt-03 06:51:03 587899 4000 1537 561 1902 +86.52 ± 5.0 4 104 819 1058 15 +182.83 ± 11.88
ncm-dbt-04 06:51:33 571296 4006 1528 549 1929 +86.66 ± 4.97 2 107 819 1060 15 +182.73 ± 11.88
ncm-dbt-05 06:51:51 584544 3982 1458 567 1957 +79.08 ± 4.98 1 117 880 976 17 +163.84 ± 11.43
20000 7529 2811 9660 +83.53 ± 2.23 9 564 4196 5162 69 +175.35 ± 5.24

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
376893 ncm-dbt-04 572195 6 3 2 1 +58.33 ± 98.71 0 0 2 1 0 +120.24 ± 264.77
376892 ncm-dbt-02 586943 12 5 4 3 +28.98 ± 52.84 0 0 5 1 0 +58.38 ± 110.52
376891 ncm-dbt-05 586181 482 181 85 216 +70.14 ± 14.25 1 13 118 107 2 +144.79 ± 31.06
376890 ncm-dbt-01 583656 500 190 68 242 +86.52 ± 14.53 0 18 93 138 1 +183.51 ± 35.5
376889 ncm-dbt-03 586985 500 194 75 231 +84.3 ± 14.62 0 17 100 130 3 +174.55 ± 34.22
376888 ncm-dbt-02 584495 500 193 66 241 +90.22 ± 14.01 0 13 99 136 2 +190.85 ± 34.36
376887 ncm-dbt-04 571994 500 187 69 244 +83.57 ± 14.45 1 16 97 136 0 +179.9 ± 34.76
376886 ncm-dbt-05 582485 500 189 75 236 +80.63 ± 13.33 0 11 115 123 1 +169.27 ± 31.5
376885 ncm-dbt-01 584916 500 182 78 240 +73.34 ± 12.64 0 9 128 113 0 +153.86 ± 29.33
376884 ncm-dbt-03 588686 500 192 74 234 +83.57 ± 15.02 2 15 98 133 2 +178.11 ± 34.58
376883 ncm-dbt-04 571310 500 201 77 222 +88.0 ± 14.41 0 15 99 133 3 +183.51 ± 34.39
376882 ncm-dbt-02 583321 500 179 78 243 +71.16 ± 14.36 0 20 110 119 1 +147.19 ± 32.57
376881 ncm-dbt-05 584034 500 175 61 264 +80.63 ± 14.38 0 17 104 127 2 +167.53 ± 33.52
376880 ncm-dbt-01 586139 500 188 74 238 +80.63 ± 13.64 0 13 111 125 1 +169.27 ± 32.25
376879 ncm-dbt-03 587409 500 198 72 230 +89.48 ± 14.73 1 15 93 139 2 +190.85 ± 35.52
376878 ncm-dbt-04 569549 500 186 61 253 +88.74 ± 13.98 0 14 98 137 1 +189.0 ± 34.56
376877 ncm-dbt-02 589112 500 183 73 244 +77.71 ± 14.86 0 23 94 133 0 +164.07 ± 35.23
376876 ncm-dbt-05 585632 500 181 79 240 +71.88 ± 14.25 0 18 114 116 2 +147.19 ± 31.9
376875 ncm-dbt-01 583992 500 201 68 231 +94.69 ± 13.78 0 11 97 140 2 +202.15 ± 34.7
376874 ncm-dbt-03 588899 500 183 73 244 +77.7 ± 12.94 0 9 123 117 1 +162.35 ± 30.1
376873 ncm-dbt-04 572477 500 191 67 242 +88.0 ± 13.5 0 9 111 127 3 +183.51 ± 32.06
376872 ncm-dbt-02 588984 500 177 73 250 +73.34 ± 14.99 1 21 102 125 1 +153.86 ± 33.87
376871 ncm-dbt-05 583405 500 176 62 262 +80.63 ± 13.94 0 13 113 121 3 +165.8 ± 31.92
376870 ncm-dbt-01 585253 500 183 67 250 +82.1 ± 14.56 1 16 100 132 1 +174.55 ± 34.22
376869 ncm-dbt-03 586943 500 193 62 245 +93.2 ± 13.91 0 11 100 136 3 +196.45 ± 34.12
376868 ncm-dbt-04 569789 500 185 75 240 +77.7 ± 14.0 0 14 115 118 3 +158.93 ± 31.63
376867 ncm-dbt-02 587707 500 200 70 230 +92.45 ± 13.9 0 10 104 132 4 +192.71 ± 33.34
376866 ncm-dbt-05 583154 500 194 67 239 +90.22 ± 14.75 0 15 98 132 5 +185.33 ± 34.57
376865 ncm-dbt-01 587113 500 185 65 250 +85.04 ± 14.2 0 16 99 134 1 +179.9 ± 34.4
376864 ncm-dbt-03 587282 500 194 76 230 +83.57 ± 13.71 0 13 107 129 1 +176.33 ± 32.93
376863 ncm-dbt-04 568554 500 182 67 251 +81.36 ± 13.66 0 13 110 126 1 +171.02 ± 32.42
376862 ncm-dbt-02 588430 500 180 68 252 +79.17 ± 13.29 0 11 117 121 1 +165.8 ± 31.17
376861 ncm-dbt-01 586646 500 190 82 228 +76.25 ± 13.96 0 15 114 119 2 +157.24 ± 31.83
376860 ncm-dbt-05 581194 500 174 75 251 +69.71 ± 14.45 0 20 113 115 2 +142.26 ± 32.1
376859 ncm-dbt-03 587707 500 185 64 251 +85.78 ± 14.07 1 12 103 133 1 +183.51 ± 33.63
376858 ncm-dbt-02 590010 500 187 70 243 +82.83 ± 14.44 0 17 101 130 2 +172.78 ± 34.05
376857 ncm-dbt-04 572800 500 194 68 238 +89.48 ± 14.73 1 15 93 139 2 +190.85 ± 35.52
376856 ncm-dbt-01 583614 500 190 71 239 +84.3 ± 13.88 0 12 110 125 3 +174.55 ± 32.38
376855 ncm-dbt-02 589839 500 193 59 248 +95.44 ± 13.47 0 11 94 145 0 +207.95 ± 35.29
376854 ncm-dbt-05 590267 500 188 63 249 +88.74 ± 13.2 0 10 105 135 0 +190.85 ± 33.16
376853 ncm-dbt-03 589283 500 198 65 237 +94.69 ± 13.93 0 12 95 141 2 +202.15 ± 35.11
376852 ncm-dbt-04 573002 500 199 63 238 +96.94 ± 13.81 0 11 94 143 2 +207.95 ± 35.29

Commit

Commit ID 4fb04eb3df9279cd7b8c3d43dbf1916b3c74bea3
Author FauziAkram
Date 2024-09-09 15:34:31 UTC
Simplify history bonus After we recently added the disallowance for negative bonuses, it is no longer necessary to keep the max comparison in the previous step. Passed STC: LLR: 2.93 (-2.94,2.94) <-1.75,0.25> Total: 72000 W: 18820 L: 18637 D: 34543 Ptnml(0-2): 267, 8489, 18276, 8730, 238 https://tests.stockfishchess.org/tests/view/66ce132cbf8c9d8780fdabe7 Passed LTC: LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 67452 W: 17136 L: 16961 D: 33355 Ptnml(0-2): 35, 7489, 18519, 7632, 51 https://tests.stockfishchess.org/tests/view/66cf6ad49de3e7f9b33d1010 closes https://github.com/official-stockfish/Stockfish/pull/5554 Bench: 1147012
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