Dev Builds » 20240615-1013

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 06:49:31 584119 4000 1480 599 1921 +77.8 ± 5.01 2 129 865 994 10 +162.56 ± 11.56
ncm-dbt-02 06:51:47 587397 3986 1456 616 1914 +74.33 ± 5.11 3 147 860 973 10 +154.69 ± 11.6
ncm-dbt-03 06:51:24 587490 4018 1463 623 1932 +73.72 ± 4.96 1 137 899 965 7 +153.5 ± 11.32
ncm-dbt-04 06:50:42 571549 4000 1477 628 1895 +74.88 ± 5.14 6 149 840 1000 5 +157.66 ± 11.75
ncm-dbt-05 06:50:27 586533 3996 1426 632 1938 +69.97 ± 4.96 3 131 944 909 11 +144.47 ± 11.01
20000 7302 3098 9600 +74.14 ± 2.25 15 693 4408 4841 43 +154.53 ± 5.12

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
389715 ncm-dbt-03 584159 18 7 2 9 +99.06 ± 62.04 0 0 4 5 0 +217.54 ± 198.33 ↓
389714 ncm-dbt-02 588217 486 176 78 232 +71.03 ± 15.22 1 20 104 116 2 +146.85 ± 33.53 ↓
389713 ncm-dbt-05 583572 496 178 90 228 +62.3 ± 13.66 1 15 127 105 0 +130.49 ± 29.84 ↓
389712 ncm-dbt-01 585717 500 192 66 242 +89.48 ± 13.53 0 10 106 132 2 +189.0 ± 32.98 ↓
389711 ncm-dbt-04 571150 500 176 72 252 +73.34 ± 13.86 2 11 118 119 0 +157.24 ± 31.11 ↓
389710 ncm-dbt-03 587240 500 190 81 229 +76.97 ± 14.83 0 20 104 123 3 +157.24 ± 33.54 ↓
389709 ncm-dbt-05 583992 500 179 69 252 +77.7 ± 14.29 0 16 111 120 3 +158.93 ± 32.34 ↓
389708 ncm-dbt-02 584706 500 175 78 247 +68.27 ± 14.81 1 20 112 115 2 +140.62 ± 32.26 ↓
389707 ncm-dbt-04 572356 500 174 87 239 +61.07 ± 14.24 0 23 117 110 0 +126.18 ± 31.53 ↓
389706 ncm-dbt-01 581444 500 192 69 239 +87.26 ± 14.25 0 17 93 140 0 +187.16 ± 35.51 ↓
389705 ncm-dbt-03 587197 500 176 83 241 +65.38 ± 13.86 0 19 119 112 0 +135.76 ± 31.16 ↓
389704 ncm-dbt-05 584495 500 184 73 243 +78.43 ± 14.6 0 20 100 129 1 +164.07 ± 34.22 ↓
389703 ncm-dbt-01 584664 500 188 83 229 +74.06 ± 13.59 0 15 115 120 0 +155.54 ± 31.67 ↓
389702 ncm-dbt-02 587664 500 175 79 246 +67.55 ± 14.51 0 23 108 119 0 +140.62 ± 32.9 ↓
389701 ncm-dbt-04 573487 500 192 74 234 +83.57 ± 14.16 0 16 101 132 1 +176.33 ± 34.04 ↓
389700 ncm-dbt-03 587877 500 189 75 236 +80.63 ± 14.09 0 16 105 128 1 +169.27 ± 33.34 ↓
389699 ncm-dbt-05 583363 500 184 98 218 +60.36 ± 13.93 0 19 128 101 2 +121.46 ± 29.83 ↓
389698 ncm-dbt-01 585126 500 181 72 247 +76.98 ± 13.98 2 11 113 124 0 +165.8 ± 31.92 ↓
389697 ncm-dbt-02 586604 500 189 82 229 +75.52 ± 13.94 0 16 112 121 1 +157.24 ± 32.18 ↓
389696 ncm-dbt-04 571391 500 182 80 238 +71.89 ± 14.53 1 19 107 123 0 +152.18 ± 33.05 ↓
389695 ncm-dbt-03 585295 500 181 73 246 +76.25 ± 13.51 0 14 114 122 0 +160.64 ± 31.79 ↓
389694 ncm-dbt-05 582611 500 169 80 251 +62.51 ± 13.0 0 14 133 103 0 +129.35 ± 28.9 ↓
389693 ncm-dbt-01 582235 500 189 83 228 +74.79 ± 14.2 0 16 115 116 3 +152.18 ± 31.7 ↓
389692 ncm-dbt-04 569190 500 194 84 222 +77.71 ± 15.13 1 19 102 125 3 +160.64 ± 33.88 ↓
389691 ncm-dbt-02 586139 500 186 68 246 +83.57 ± 14.01 0 15 103 131 1 +176.33 ± 33.67 ↓
389690 ncm-dbt-03 588004 500 164 76 260 +61.79 ± 13.85 0 20 122 108 0 +127.76 ± 30.73 ↓
389689 ncm-dbt-05 585126 500 171 79 250 +64.66 ± 13.69 0 16 128 104 2 +130.94 ± 29.72 ↓
389688 ncm-dbt-01 584327 500 176 76 248 +70.43 ± 14.48 0 21 109 119 1 +145.54 ± 32.74 ↓
389687 ncm-dbt-04 572840 500 184 77 239 +75.52 ± 14.79 0 22 100 127 1 +157.24 ± 34.21 ↓
389686 ncm-dbt-02 588132 500 188 73 239 +81.36 ± 14.4 0 18 100 131 1 +171.02 ± 34.23 ↓
389685 ncm-dbt-03 588047 500 180 73 247 +75.52 ± 14.65 0 20 105 123 2 +155.54 ± 33.38 ↓
389684 ncm-dbt-05 586012 500 182 74 244 +76.25 ± 14.39 2 13 111 123 1 +162.35 ± 32.31 ↓
389683 ncm-dbt-01 581693 500 194 73 233 +85.78 ± 14.79 0 17 99 130 4 +176.33 ± 34.4 ↓
389682 ncm-dbt-02 588217 500 184 82 234 +71.89 ± 14.53 1 19 107 123 0 +152.18 ± 33.05 ↓
389681 ncm-dbt-03 588600 500 188 84 228 +73.34 ± 14.01 1 14 116 118 1 +153.86 ± 31.51 ↓
389680 ncm-dbt-04 569869 500 186 78 236 +76.25 ± 14.81 1 20 99 130 0 +162.35 ± 34.39 ↓
389679 ncm-dbt-05 603097 500 179 69 252 +77.7 ± 14.44 0 18 106 124 2 +160.64 ± 33.2 ↓
389678 ncm-dbt-01 587749 500 168 77 255 +63.95 ± 14.23 0 22 115 113 0 +132.54 ± 31.82 ↓
389677 ncm-dbt-02 589497 500 183 76 241 +75.52 ± 14.23 0 16 114 117 3 +153.86 ± 31.85 ↓
389676 ncm-dbt-03 590996 500 188 76 236 +79.17 ± 13.6 0 14 110 126 0 +167.53 ± 32.45 ↓
389675 ncm-dbt-04 572114 500 189 76 235 +79.9 ± 14.78 1 19 96 134 0 +171.02 ± 34.92 ↓

Commit

Commit ID 2046c92ad461f5e852ba62a144b53c3d3fea04b0
Author FauziAkram
Date 2024-06-15 10:13:59 UTC
Tweak the reduction formula Tweak the reduction formula if position is or has been on the PV Taking inspiration from an old Viren test. Passed STC: LLR: 2.94 (-2.94,2.94) <0.00,2.00> Total: 78528 W: 20607 L: 20225 D: 37696 Ptnml(0-2): 262, 9297, 19785, 9637, 283 https://tests.stockfishchess.org/tests/view/666339c70ff7cb4868d1fe24 Passed LTC: LLR: 2.94 (-2.94,2.94) <0.50,2.50> Total: 138630 W: 35666 L: 35132 D: 67832 Ptnml(0-2): 118, 15345, 37835, 15919, 98 https://tests.stockfishchess.org/tests/view/66645dec0612cd151f9e77b0 closes https://github.com/official-stockfish/Stockfish/pull/5385 Bench: 1134281
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