Dev Builds » 20240501-1210

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 06:48:39 584602 4000 1500 580 1920 +81.37 ± 4.83 1 100 887 1002 10 +170.81 ± 11.36
ncm-dbt-02 06:49:04 585596 4002 1529 616 1857 +80.68 ± 5.0 2 120 856 1009 14 +168.52 ± 11.61
ncm-dbt-03 06:49:49 588113 4012 1488 561 1963 +81.75 ± 4.91 0 111 872 1008 15 +170.43 ± 11.48
ncm-dbt-04 06:48:34 571423 4000 1454 579 1967 +77.25 ± 5.03 1 136 860 993 10 +161.07 ± 11.6
ncm-dbt-05 06:50:36 584477 3986 1470 588 1928 +78.17 ± 5.1 2 135 851 989 16 +162.15 ± 11.66
20000 7441 2924 9635 +79.84 ± 2.23 6 602 4326 5001 65 +166.58 ± 5.16

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
383007 ncm-dbt-02 586731 2 1 0 1 +189.7 ± 55.98 0 0 0 1 0 +1129.65 ± 376.02
383006 ncm-dbt-03 587792 12 7 3 2 +120.27 ± 123.25 0 0 3 2 1 +190.73 ± 238.47
383005 ncm-dbt-05 582903 486 181 69 236 +81.53 ± 13.6 0 9 116 115 3 +167.78 ± 31.14
383004 ncm-dbt-01 582987 500 188 76 236 +79.17 ± 12.49 0 7 124 119 0 +167.53 ± 29.79
383003 ncm-dbt-04 572679 500 167 65 268 +71.89 ± 14.25 1 16 114 118 1 +150.51 ± 31.88
383002 ncm-dbt-03 588047 500 181 56 263 +88.74 ± 13.83 0 12 103 133 2 +187.16 ± 33.6
383001 ncm-dbt-02 589753 500 193 88 219 +74.06 ± 14.03 0 16 115 117 2 +152.18 ± 31.7
383000 ncm-dbt-05 583824 500 180 78 242 +71.89 ± 14.25 1 15 117 115 2 +148.85 ± 31.38
382999 ncm-dbt-01 585042 500 191 72 237 +84.3 ± 14.62 0 17 100 130 3 +174.55 ± 34.22
382998 ncm-dbt-04 571471 500 186 75 239 +78.44 ± 13.73 0 15 109 126 0 +165.8 ± 32.64
382997 ncm-dbt-02 581943 500 195 76 229 +84.3 ± 13.88 0 14 104 131 1 +178.11 ± 33.48
382996 ncm-dbt-03 588089 500 189 81 230 +76.25 ± 13.66 0 15 112 123 0 +160.64 ± 32.15
382995 ncm-dbt-05 580862 500 188 84 228 +73.33 ± 14.72 0 20 109 118 3 +148.85 ± 32.73
382994 ncm-dbt-01 585337 500 185 74 241 +78.43 ± 13.73 0 13 115 120 2 +162.35 ± 31.59
382993 ncm-dbt-02 581652 500 182 69 249 +79.9 ± 14.07 0 14 112 121 3 +164.07 ± 32.12
382992 ncm-dbt-04 571793 500 177 70 253 +75.52 ± 15.06 0 22 102 123 3 +153.86 ± 33.87
382991 ncm-dbt-03 588771 500 183 84 233 +69.71 ± 14.45 0 20 113 115 2 +142.26 ± 32.1
382990 ncm-dbt-05 587240 500 191 63 246 +90.97 ± 14.76 1 14 94 138 3 +192.71 ± 35.33
382989 ncm-dbt-02 586562 500 190 82 228 +76.25 ± 14.1 1 14 112 122 1 +160.64 ± 32.15
382988 ncm-dbt-04 570669 500 179 75 246 +73.34 ± 14.15 0 19 108 123 0 +153.86 ± 32.88
382987 ncm-dbt-01 585674 500 188 68 244 +85.04 ± 13.28 0 10 111 128 1 +179.9 ± 32.11
382986 ncm-dbt-03 588345 500 184 62 254 +86.52 ± 13.93 0 13 104 131 2 +181.7 ± 33.45
382985 ncm-dbt-02 587282 500 198 80 222 +83.57 ± 14.88 1 14 106 124 5 +171.02 ± 33.15
382984 ncm-dbt-01 584664 500 187 65 248 +86.52 ± 13.78 0 14 100 136 0 +185.33 ± 34.19
382983 ncm-dbt-05 580282 500 180 72 248 +76.25 ± 14.39 0 18 108 122 2 +157.24 ± 32.87
382982 ncm-dbt-04 572800 500 186 63 251 +87.26 ± 13.8 0 12 105 131 2 +183.51 ± 33.24
382981 ncm-dbt-03 587197 500 188 69 243 +84.3 ± 14.33 0 15 104 128 3 +174.55 ± 33.5
382980 ncm-dbt-02 585759 500 187 76 237 +78.43 ± 13.58 0 13 114 122 1 +164.07 ± 31.75
382979 ncm-dbt-01 585885 500 182 75 243 +75.52 ± 14.08 0 17 110 122 1 +157.24 ± 32.52
382978 ncm-dbt-05 586943 500 181 85 234 +67.54 ± 14.09 0 18 120 110 2 +137.37 ± 30.98
382977 ncm-dbt-04 571873 500 188 73 239 +81.36 ± 14.4 0 17 103 128 2 +169.27 ± 33.7
382976 ncm-dbt-03 588472 500 198 78 224 +85.04 ± 14.2 0 15 102 131 2 +178.11 ± 33.85
382975 ncm-dbt-01 584117 500 197 79 224 +83.57 ± 13.56 1 8 115 124 2 +176.33 ± 31.38
382974 ncm-dbt-05 585548 500 200 67 233 +94.69 ± 14.54 0 18 81 151 0 +206.01 ± 37.93
382973 ncm-dbt-02 583908 500 191 66 243 +88.74 ± 13.98 0 15 95 140 0 +190.85 ± 35.14
382972 ncm-dbt-04 569430 500 179 75 246 +73.33 ± 13.86 0 16 115 118 1 +152.18 ± 31.7
382971 ncm-dbt-03 588472 500 176 68 256 +76.25 ± 13.81 0 14 116 118 2 +157.24 ± 31.47
382970 ncm-dbt-02 586774 500 192 79 229 +79.9 ± 14.64 0 20 98 131 1 +167.53 ± 34.57
382969 ncm-dbt-01 583112 500 182 71 247 +78.43 ± 13.73 0 14 112 123 1 +164.07 ± 32.12
382968 ncm-dbt-04 570669 500 192 83 225 +76.97 ± 14.41 0 19 104 126 1 +160.64 ± 33.54
382967 ncm-dbt-03 587834 500 182 60 258 +86.52 ± 12.83 0 7 115 127 1 +183.51 ± 31.24
382966 ncm-dbt-05 588217 500 169 70 261 +69.71 ± 14.73 0 23 106 120 1 +143.89 ± 33.22

Commit

Commit ID 6a9b8a0c7b913b9d4c4474bae7804184d20e8c4a
Author cj5716
Date 2024-05-01 12:10:57 UTC
Optimise NNUE Accumulator updates Passed STC: https://tests.stockfishchess.org/tests/view/662e3c6a5e9274400985a741 LLR: 2.94 (-2.94,2.94) <0.00,2.00> Total: 86176 W: 22284 L: 21905 D: 41987 Ptnml(0-2): 254, 9572, 23051, 9963, 248 closes https://github.com/official-stockfish/Stockfish/pull/5202 No functional change
Copyright 2011–2024 Next Chess Move LLC