Dev Builds » 20240509-0700

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 06:49:22 584537 4008 1478 562 1968 +80.83 ± 4.88 0 110 880 1002 12 +168.88 ± 11.42
ncm-dbt-02 06:49:48 586583 4000 1458 614 1928 +74.43 ± 5.0 2 129 907 947 15 +153.65 ± 11.26
ncm-dbt-03 06:49:58 586857 4004 1497 617 1890 +77.63 ± 5.12 4 133 862 985 18 +160.88 ± 11.58
ncm-dbt-04 06:49:21 571975 4000 1462 563 1975 +79.44 ± 4.93 1 116 877 995 11 +166.01 ± 11.45
ncm-dbt-05 06:50:45 588802 3988 1487 600 1901 +78.59 ± 5.07 1 133 854 990 16 +162.91 ± 11.64
20000 7382 2956 9662 +78.18 ± 2.24 8 621 4380 4919 72 +162.44 ± 5.13

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
383746 ncm-dbt-03 586097 4 2 1 1 +88.51 ± 137.63 0 0 1 1 0 +190.5 ± 634.21 ↓
383745 ncm-dbt-01 587834 8 3 1 4 +88.62 ± 93.84 0 0 2 2 0 +190.67 ± 458.56 ↓
383744 ncm-dbt-05 589283 488 180 74 234 +76.69 ± 14.36 0 17 105 121 1 +159.92 ± 33.33 ↓
383743 ncm-dbt-02 586689 500 181 85 234 +67.55 ± 13.21 0 14 126 110 0 +140.62 ± 29.93 ↓
383742 ncm-dbt-04 569949 500 177 74 249 +72.61 ± 14.13 0 19 109 122 0 +152.18 ± 32.72 ↓
383741 ncm-dbt-03 586266 500 192 88 220 +73.33 ± 14.72 0 22 103 124 1 +152.18 ± 33.71 ↓
383740 ncm-dbt-01 583363 500 185 67 248 +83.57 ± 14.31 0 16 102 130 2 +174.55 ± 33.86 ↓
383739 ncm-dbt-05 582987 500 184 73 243 +78.43 ± 14.74 0 19 104 124 3 +160.64 ± 33.54 ↓
383738 ncm-dbt-04 572880 500 173 67 260 +74.79 ± 13.47 0 14 116 120 0 +157.24 ± 31.47 ↓
383737 ncm-dbt-03 585000 500 180 83 237 +68.27 ± 15.08 0 24 108 115 3 +137.37 ± 32.9 ↓
383736 ncm-dbt-02 589582 500 182 78 240 +73.33 ± 13.72 0 15 117 117 1 +152.18 ± 31.35 ↓
383735 ncm-dbt-01 582611 500 180 75 245 +74.06 ± 14.03 0 15 118 114 3 +150.51 ± 31.19 ↓
383734 ncm-dbt-05 583950 500 184 69 247 +81.36 ± 14.11 0 15 107 126 2 +169.27 ± 32.98 ↓
383733 ncm-dbt-02 585253 500 180 87 233 +65.38 ± 14.83 0 20 123 101 6 +126.18 ± 30.59 ↓
383732 ncm-dbt-04 570909 500 182 61 257 +85.78 ± 13.46 0 12 105 133 0 +183.51 ± 33.24 ↓
383731 ncm-dbt-01 584034 500 184 81 235 +72.61 ± 13.54 0 12 126 109 3 +147.19 ± 29.83 ↓
383730 ncm-dbt-03 586350 500 177 68 255 +76.98 ± 14.97 2 18 99 131 0 +165.8 ± 34.39 ↓
383729 ncm-dbt-05 588899 500 190 68 242 +86.52 ± 14.23 0 15 100 133 2 +181.7 ± 34.21 ↓
383728 ncm-dbt-02 585464 500 180 71 249 +76.97 ± 14.13 0 17 108 124 1 +160.64 ± 32.85 ↓
383727 ncm-dbt-04 571873 500 187 79 234 +76.25 ± 14.39 1 17 105 127 0 +162.35 ± 33.37 ↓
383726 ncm-dbt-03 586266 500 191 71 238 +85.04 ± 13.44 0 10 112 126 2 +178.11 ± 31.94 ↓
383725 ncm-dbt-01 586562 500 182 73 245 +76.98 ± 13.07 0 11 119 120 0 +162.35 ± 30.85 ↓
383724 ncm-dbt-05 587919 500 194 70 236 +88.0 ± 13.66 0 9 112 125 4 +181.7 ± 31.89 ↓
383723 ncm-dbt-02 584622 500 194 72 234 +86.52 ± 15.37 1 18 93 134 4 +179.9 ± 35.49 ↓
383722 ncm-dbt-04 575069 500 188 74 238 +80.63 ± 14.09 0 12 117 116 5 +162.35 ± 31.23 ↓
383721 ncm-dbt-03 588472 500 196 78 226 +83.57 ± 14.31 0 14 108 124 4 +171.02 ± 32.78 ↓
383720 ncm-dbt-01 582527 500 179 61 260 +83.57 ± 13.71 0 14 104 132 0 +178.11 ± 33.48 ↓
383719 ncm-dbt-05 587197 500 186 90 224 +67.55 ± 14.23 0 21 112 117 0 +140.62 ± 32.26 ↓
383718 ncm-dbt-02 585506 500 179 66 255 +79.9 ± 13.31 0 10 119 119 2 +165.8 ± 30.8 ↓
383717 ncm-dbt-01 584411 500 179 78 243 +71.16 ± 13.64 0 16 117 117 0 +148.85 ± 31.38 ↓
383716 ncm-dbt-03 589027 500 181 70 249 +78.44 ± 14.46 1 16 105 127 1 +165.8 ± 33.35 ↓
383715 ncm-dbt-04 568752 500 191 71 238 +85.04 ± 14.05 0 12 110 124 4 +174.55 ± 32.38 ↓
383714 ncm-dbt-05 588515 500 182 92 226 +63.23 ± 13.77 0 18 125 106 1 +129.35 ± 30.24 ↓
383713 ncm-dbt-01 584327 500 189 72 239 +82.83 ± 14.29 0 16 103 129 2 +172.78 ± 33.69 ↓
383712 ncm-dbt-02 586012 500 169 68 263 +71.16 ± 13.79 1 13 121 114 1 +148.85 ± 30.69 ↓
383711 ncm-dbt-03 585169 500 185 75 240 +77.7 ± 14.58 0 17 110 119 4 +157.24 ± 32.52 ↓
383710 ncm-dbt-04 572195 500 169 68 263 +71.16 ± 13.93 0 18 113 119 0 +148.85 ± 32.06 ↓
383709 ncm-dbt-01 585169 500 197 54 249 +102.22 ± 13.7 0 10 89 149 2 +221.9 ± 36.31 ↓
383708 ncm-dbt-03 589069 500 193 83 224 +77.71 ± 14.15 1 12 116 118 3 +160.64 ± 31.43 ↓
383707 ncm-dbt-02 589539 500 193 87 220 +74.79 ± 14.63 0 22 100 128 0 +157.24 ± 34.21 ↓
383706 ncm-dbt-04 574175 500 195 69 236 +89.48 ± 13.84 0 12 102 134 2 +189.0 ± 33.78 ↓
383705 ncm-dbt-05 601669 500 187 64 249 +87.26 ± 15.39 1 19 89 138 3 +183.51 ± 36.22 ↓

Commit

Commit ID 574ad14b323465314c8d5d5a81af995cb58b07c9
Author FauziAkram
Date 2024-05-09 07:00:32 UTC
Simplify depth formula based on score improvement Simplify depth formula based on score improvement. This idea was first tried by cj5716 Passed STC: LLR: 2.93 (-2.94,2.94) <-1.75,0.25> Total: 347104 W: 89683 L: 89804 D: 167617 Ptnml(0-2): 1357, 38824, 93307, 38711, 1353 https://tests.stockfishchess.org/tests/view/66378edf9819650825aa75d0 Passed LTC: LLR: 2.93 (-2.94,2.94) <-1.75,0.25> Total: 63000 W: 15851 L: 15694 D: 31455 Ptnml(0-2): 22, 5396, 20499, 5569, 14 https://tests.stockfishchess.org/tests/view/663c04e5c0b75d7f7b97d461 closes https://github.com/official-stockfish/Stockfish/pull/5225 Bench: 2691699 Co-Authored-By: cj5716 <125858804+cj5716@users.noreply.github.com>
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