Dev Builds » 20240803-0742

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 11:28:08 584566 6658 2547 1010 3101 +81.68 ± 3.79 1 179 1449 1682 18 +171.29 ± 8.9
ncm-dbt-02 11:29:35 586781 6664 2485 966 3213 +80.61 ± 3.89 5 199 1423 1682 23 +168.61 ± 9.01
ncm-dbt-03 11:29:55 587508 6678 2507 957 3214 +82.14 ± 3.87 1 204 1400 1712 22 +171.87 ± 9.09
20000 7539 2933 9528 +81.48 ± 2.22 7 582 4272 5076 63 +170.59 ± 5.19

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
370963 ncm-dbt-01 584453 158 60 15 83 +101.76 ± 23.67 0 2 31 45 1 +218.33 ± 61.81 ↓
370962 ncm-dbt-02 588174 164 60 21 83 +84.23 ± 22.68 0 3 37 42 0 +179.73 ± 56.0 ↓
370961 ncm-dbt-03 588771 178 67 22 89 +89.78 ± 22.52 0 3 39 46 1 +188.26 ± 54.59 ↓
370960 ncm-dbt-01 584790 500 192 77 231 +81.36 ± 14.11 0 14 110 123 3 +167.53 ± 32.45 ↓
370959 ncm-dbt-02 584748 500 184 76 240 +76.25 ± 15.09 1 20 101 126 2 +158.93 ± 34.05 ↓
370958 ncm-dbt-03 586054 500 180 69 251 +78.43 ± 14.17 0 14 115 117 4 +158.93 ± 31.63 ↓
370957 ncm-dbt-01 583698 500 192 86 222 +74.79 ± 13.47 0 14 116 120 0 +157.24 ± 31.47 ↓
370956 ncm-dbt-02 586477 500 189 78 233 +78.44 ± 14.46 1 17 102 130 0 +167.53 ± 33.88 ↓
370955 ncm-dbt-03 589368 500 181 71 248 +77.7 ± 14.86 0 21 100 127 2 +160.64 ± 34.22 ↓
370953 ncm-dbt-01 586646 500 192 81 227 +78.43 ± 14.74 0 19 104 124 3 +160.64 ± 33.54 ↓
370952 ncm-dbt-03 588387 500 189 78 233 +78.43 ± 14.46 0 19 102 128 1 +164.07 ± 33.88 ↓
370951 ncm-dbt-02 587240 500 189 73 238 +82.1 ± 13.83 1 11 110 127 1 +174.55 ± 32.38 ↓
370943 ncm-dbt-01 583405 500 190 70 240 +85.04 ± 14.05 0 15 101 133 1 +179.9 ± 34.03 ↓
370942 ncm-dbt-02 586435 500 180 71 249 +76.97 ± 14.41 0 18 107 123 2 +158.93 ± 33.03 ↓
370941 ncm-dbt-03 585674 500 190 78 232 +79.17 ± 14.48 0 17 107 123 3 +162.35 ± 33.02 ↓
370940 ncm-dbt-02 588174 500 184 74 242 +77.71 ± 13.71 1 11 116 121 1 +164.07 ± 31.39 ↓
370939 ncm-dbt-01 582318 500 201 74 225 +90.22 ± 14.01 0 11 105 130 4 +187.16 ± 33.21 ↓
370938 ncm-dbt-03 589027 500 176 66 258 +77.71 ± 13.56 0 14 112 124 0 +164.07 ± 32.12 ↓
370937 ncm-dbt-02 588387 500 194 70 236 +88.0 ± 14.7 0 18 92 138 2 +185.33 ± 35.69 ↓
370936 ncm-dbt-01 583279 500 190 86 224 +73.34 ± 13.72 0 16 114 120 0 +153.86 ± 31.85 ↓
370935 ncm-dbt-03 587749 500 192 74 234 +83.57 ± 14.01 0 15 103 131 1 +176.33 ± 33.67 ↓
370934 ncm-dbt-02 587834 500 184 68 248 +82.1 ± 15.39 1 18 100 126 5 +167.53 ± 34.22 ↓
370933 ncm-dbt-01 585295 500 197 84 219 +79.9 ± 13.92 0 16 105 129 0 +169.27 ± 33.34 ↓
370932 ncm-dbt-03 583698 500 192 76 232 +82.1 ± 14.27 0 16 104 128 2 +171.02 ± 33.51 ↓
370931 ncm-dbt-01 585211 500 187 74 239 +79.9 ± 13.92 0 15 108 126 1 +167.53 ± 32.81 ↓
370930 ncm-dbt-02 589411 500 180 62 258 +83.57 ± 13.71 0 14 104 132 0 +178.11 ± 33.48 ↓
370929 ncm-dbt-03 588217 500 193 68 239 +88.74 ± 14.43 0 16 95 137 2 +187.16 ± 35.14 ↓
370928 ncm-dbt-02 587792 500 189 72 239 +82.83 ± 13.07 0 10 113 127 0 +176.33 ± 31.78 ↓
370927 ncm-dbt-01 585590 500 192 64 244 +90.97 ± 13.87 1 10 100 138 1 +196.45 ± 34.12 ↓
370926 ncm-dbt-03 588089 500 192 72 236 +85.04 ± 13.75 0 13 105 131 1 +179.9 ± 33.27 ↓
370925 ncm-dbt-01 585421 500 185 68 247 +82.83 ± 12.75 0 5 126 116 3 +171.02 ± 29.3 ↓
370924 ncm-dbt-02 584958 500 184 68 248 +82.1 ± 13.83 0 12 113 122 3 +169.27 ± 31.88 ↓
370923 ncm-dbt-03 587282 500 182 61 257 +85.78 ± 13.77 0 12 107 129 2 +179.9 ± 32.89 ↓
370922 ncm-dbt-01 583154 500 195 84 221 +78.44 ± 14.02 0 17 105 128 0 +165.8 ± 33.35 ↓
370921 ncm-dbt-02 584832 500 192 75 233 +82.83 ± 13.39 0 12 109 129 0 +176.33 ± 32.55 ↓
370920 ncm-dbt-03 588984 500 194 70 236 +88.0 ± 13.81 0 13 101 135 1 +187.16 ± 33.99 ↓
370919 ncm-dbt-01 585295 500 191 81 228 +77.7 ± 13.56 0 13 115 121 1 +162.35 ± 31.59 ↓
370918 ncm-dbt-02 583279 500 175 75 250 +70.43 ± 15.16 0 23 108 115 4 +140.62 ± 32.9 ↓
370917 ncm-dbt-03 584664 500 191 79 230 +79.17 ± 14.48 0 18 104 126 2 +164.07 ± 33.53 ↓
370916 ncm-dbt-01 585379 500 183 66 251 +82.83 ± 13.39 0 12 109 129 0 +176.33 ± 32.55 ↓
370915 ncm-dbt-02 587197 500 201 83 216 +83.57 ± 13.87 0 12 111 124 3 +172.78 ± 32.21 ↓
370914 ncm-dbt-03 589155 500 188 73 239 +81.37 ± 13.96 1 13 106 130 0 +174.55 ± 33.13 ↓

Commit

Commit ID ae9e55cf530081afea34216b86b6eb5d9b2b5661
Author Shawn Xu
Date 2024-08-03 07:42:54 UTC
Simplify Cutnode Reduction Passed Non-regression STC: LR: 2.96 (-2.94,2.94) <-1.75,0.25> Total: 143968 W: 37439 L: 37333 D: 69196 Ptnml(0-2): 521, 17228, 36456, 17182, 597 https://tests.stockfishchess.org/tests/view/66a73f9f4ff211be9d4ed27f Passed Non-regression LTC: LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 198954 W: 50384 L: 50345 D: 98225 Ptnml(0-2): 201, 22360, 54347, 22337, 232 https://tests.stockfishchess.org/tests/view/66a906e94ff211be9d4ed423 closes https://github.com/official-stockfish/Stockfish/pull/5526 bench 1277466
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