Dev Builds » 20240526-1832

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 06:51:36 583945 4000 1501 594 1905 +80.17 ± 4.99 2 122 853 1013 10 +168.18 ± 11.64
ncm-dbt-02 06:49:45 587585 4000 1531 636 1833 +79.08 ± 5.1 3 127 864 984 22 +163.21 ± 11.56
ncm-dbt-03 06:51:11 587254 4000 1469 663 1868 +70.98 ± 4.98 2 132 939 912 15 +145.75 ± 11.04
ncm-dbt-04 06:49:16 571191 4000 1485 584 1931 +79.63 ± 4.93 3 111 878 998 10 +167.1 ± 11.44
ncm-dbt-05 06:52:46 583672 4000 1519 648 1833 +76.89 ± 5.05 1 135 872 976 16 +158.93 ± 11.51
20000 7505 3125 9370 +77.34 ± 2.24 11 627 4406 4883 73 +160.55 ± 5.11

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
386645 ncm-dbt-03 586393 500 190 93 217 +68.27 ± 13.68 0 17 119 114 0 +142.26 ± 31.1
386644 ncm-dbt-05 587197 500 198 54 248 +102.97 ± 14.34 0 11 89 145 5 +217.85 ± 36.33
386643 ncm-dbt-04 570669 500 188 76 236 +79.17 ± 14.48 0 17 107 123 3 +162.35 ± 33.02
386642 ncm-dbt-02 588813 500 206 82 212 +88.0 ± 14.56 0 14 103 128 5 +179.9 ± 33.65
386641 ncm-dbt-01 582027 500 198 93 209 +74.06 ± 14.03 0 18 109 123 0 +155.54 ± 32.7
386640 ncm-dbt-03 586223 500 179 98 223 +56.78 ± 15.12 0 27 119 100 4 +110.6 ± 31.28
386639 ncm-dbt-05 587028 500 197 82 221 +81.36 ± 14.82 0 19 100 128 3 +167.53 ± 34.22
386638 ncm-dbt-04 570188 500 186 76 238 +77.71 ± 14.44 2 11 115 119 3 +162.35 ± 31.59
386637 ncm-dbt-02 587834 500 188 80 232 +76.25 ± 14.1 0 16 112 120 2 +157.24 ± 32.18
386636 ncm-dbt-01 585970 500 187 81 232 +74.79 ± 13.62 0 14 117 118 1 +155.54 ± 31.31
386635 ncm-dbt-03 589625 500 182 79 239 +72.61 ± 14.55 2 15 112 120 1 +153.86 ± 32.2
386634 ncm-dbt-05 573082 500 191 87 222 +73.33 ± 14.01 0 16 116 116 2 +150.51 ± 31.54
386633 ncm-dbt-02 587155 500 185 64 251 +85.78 ± 14.07 1 11 106 130 2 +181.7 ± 33.07
386632 ncm-dbt-04 571310 500 181 65 254 +82.1 ± 14.13 0 16 103 130 1 +172.78 ± 33.69
386631 ncm-dbt-01 583572 500 183 68 249 +81.36 ± 13.66 0 12 113 123 2 +169.27 ± 31.88
386630 ncm-dbt-05 580821 500 189 85 226 +73.34 ± 14.58 1 17 111 119 2 +152.18 ± 32.38
386629 ncm-dbt-03 585970 500 183 72 245 +78.43 ± 13.88 0 14 113 121 2 +162.35 ± 31.95
386628 ncm-dbt-01 583154 500 192 80 228 +79.17 ± 13.75 0 14 111 124 1 +165.8 ± 32.28
386627 ncm-dbt-04 570068 500 187 66 247 +85.78 ± 13.61 0 12 106 131 1 +181.7 ± 33.07
386626 ncm-dbt-02 587962 500 186 82 232 +73.33 ± 14.44 0 20 107 122 1 +152.18 ± 33.05
386625 ncm-dbt-05 583279 500 195 81 224 +80.63 ± 13.94 0 16 104 130 0 +171.02 ± 33.51
386624 ncm-dbt-02 586816 500 180 77 243 +72.61 ± 13.54 0 13 123 112 2 +148.85 ± 30.34
386623 ncm-dbt-03 585759 500 186 80 234 +74.79 ± 13.62 0 14 117 118 1 +155.54 ± 31.31
386622 ncm-dbt-01 583237 500 198 65 237 +94.7 ± 14.39 1 11 95 140 3 +202.15 ± 35.11
386621 ncm-dbt-04 572800 500 189 72 239 +82.83 ± 14.44 0 18 98 133 1 +174.55 ± 34.58
386620 ncm-dbt-04 569909 500 186 80 234 +74.79 ± 14.06 1 15 111 123 0 +158.93 ± 32.34
386619 ncm-dbt-02 587409 500 194 84 222 +77.71 ± 15.66 1 22 97 126 4 +158.93 ± 34.71
386618 ncm-dbt-03 587962 500 181 79 240 +71.88 ± 13.67 0 14 122 112 2 +147.19 ± 30.53
386617 ncm-dbt-05 583028 500 177 71 252 +74.79 ± 14.77 0 22 101 126 1 +155.54 ± 34.04
386616 ncm-dbt-01 581070 500 188 72 240 +82.1 ± 14.7 1 17 98 133 1 +174.55 ± 34.58
386098 ncm-dbt-02 586562 500 200 80 220 +85.04 ± 14.63 0 15 105 125 5 +172.78 ± 33.32
386097 ncm-dbt-05 587240 500 187 98 215 +62.51 ± 13.88 0 17 130 100 3 +124.6 ± 29.47
386096 ncm-dbt-01 585759 500 180 74 246 +74.79 ± 14.63 0 20 106 122 2 +153.86 ± 33.21
386095 ncm-dbt-03 586689 500 179 90 231 +62.51 ± 14.03 0 19 125 104 2 +126.18 ± 30.27
386094 ncm-dbt-04 572195 500 175 71 254 +73.34 ± 12.64 0 9 128 113 0 +153.86 ± 29.33
386093 ncm-dbt-02 588132 500 192 87 221 +74.06 ± 14.32 1 16 111 121 1 +155.54 ± 32.36
386092 ncm-dbt-05 587707 500 185 90 225 +66.82 ± 13.63 0 17 121 112 0 +138.99 ± 30.8
386091 ncm-dbt-03 589411 500 189 72 239 +82.83 ± 13.85 0 12 112 123 3 +171.02 ± 32.04
386090 ncm-dbt-01 586774 500 175 61 264 +80.63 ± 13.94 0 16 104 130 0 +171.02 ± 33.51
386089 ncm-dbt-04 572396 500 193 78 229 +81.36 ± 13.66 0 13 110 126 1 +171.02 ± 32.42

Commit

Commit ID 8bc3fd3871aaa2437105bdc141d5ac25a88ea885
Author Linmiao Xu
Date 2024-05-26 18:32:30 UTC
Lower smallnet threshold with tuned eval params The smallnet threshold is now below the training data range of the current smallnet (simple eval diff > 1k, nn-baff1edelf90.nnue) when no pawns are on the board. Params found with spsa at 93k / 120k games at 60+06: https://tests.stockfishchess.org/tests/view/664fa166a86388d5e27d7d6b Tuned on top of: https://github.com/official-stockfish/Stockfish/pull/5287 Passed STC: https://tests.stockfishchess.org/tests/view/664fc8b7a86388d5e27d8dac LLR: 2.96 (-2.94,2.94) <0.00,2.00> Total: 64672 W: 16731 L: 16371 D: 31570 Ptnml(0-2): 239, 7463, 16517, 7933, 184 Passed LTC: https://tests.stockfishchess.org/tests/view/664fd5f9a86388d5e27d8dfe LLR: 2.94 (-2.94,2.94) <0.50,2.50> Total: 210648 W: 53489 L: 52813 D: 104346 Ptnml(0-2): 102, 23129, 58164, 23849, 80 closes https://github.com/official-stockfish/Stockfish/pull/5288 Bench: 1717838
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