Dev Builds » 20241012-1440

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 06:53:13 584162 4002 1575 527 1900 +93.15 ± 4.94 1 89 796 1091 24 +196.57 ± 12.04
ncm-dbt-02 06:52:28 588235 4000 1554 533 1913 +90.69 ± 4.85 0 88 820 1075 17 +191.78 ± 11.84
ncm-dbt-03 06:52:27 588009 4000 1554 537 1909 +90.32 ± 4.93 1 99 797 1088 15 +191.54 ± 12.04
ncm-dbt-04 06:51:50 572279 4000 1544 583 1873 +85.14 ± 4.94 1 101 854 1024 20 +177.66 ± 11.6
ncm-dbt-05 06:53:47 583353 3998 1580 587 1831 +88.14 ± 5.0 2 103 814 1060 20 +185.22 ± 11.91
20000 7807 2767 9426 +89.48 ± 2.21 5 480 4081 5338 96 +188.49 ± 5.31

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
381708 ncm-dbt-01 582778 2 1 0 1 +189.7 ± 55.98 0 0 0 1 0 +1129.65 ± 376.02
381707 ncm-dbt-05 582444 498 196 80 222 +82.44 ± 15.17 1 18 97 130 3 +171.83 ± 34.76
381706 ncm-dbt-03 588047 500 206 66 228 +99.95 ± 14.0 0 12 88 148 2 +215.85 ± 36.55
381705 ncm-dbt-04 571592 500 189 69 242 +85.04 ± 14.2 0 16 99 134 1 +179.9 ± 34.4
381704 ncm-dbt-02 587834 500 193 59 248 +95.44 ± 14.4 0 13 94 139 4 +200.24 ± 35.32
381703 ncm-dbt-01 586520 500 194 62 244 +93.95 ± 13.77 0 10 101 136 3 +198.34 ± 33.9
381702 ncm-dbt-05 585295 500 200 67 233 +94.69 ± 13.3 0 7 106 134 3 +200.24 ± 32.81
381701 ncm-dbt-03 588260 500 199 61 240 +98.44 ± 13.51 0 8 99 140 3 +209.91 ± 34.19
381700 ncm-dbt-04 571391 500 190 77 233 +79.9 ± 13.31 0 11 116 122 1 +167.53 ± 31.34
381699 ncm-dbt-01 582694 500 197 74 229 +87.26 ± 13.64 0 10 110 127 3 +181.7 ± 32.28
381698 ncm-dbt-02 586604 500 188 65 247 +87.26 ± 13.95 0 11 109 126 4 +179.9 ± 32.5
381697 ncm-dbt-03 587240 500 188 66 246 +86.52 ± 14.53 0 17 96 135 2 +181.7 ± 34.95
381696 ncm-dbt-05 579289 500 192 82 226 +77.7 ± 14.44 0 19 103 127 1 +162.35 ± 33.71
381695 ncm-dbt-04 573851 500 190 69 241 +85.78 ± 14.07 0 12 109 125 4 +176.33 ± 32.55
381694 ncm-dbt-01 584453 500 201 65 234 +96.94 ± 13.33 0 7 103 137 3 +206.01 ± 33.36
381693 ncm-dbt-02 587325 500 198 63 239 +96.19 ± 13.16 0 9 97 144 0 +209.91 ± 34.63
381692 ncm-dbt-03 587325 500 203 66 231 +97.69 ± 13.97 1 10 91 147 1 +213.85 ± 35.9
381691 ncm-dbt-05 583824 500 200 73 227 +90.22 ± 13.86 1 10 101 137 1 +194.57 ± 33.94
381690 ncm-dbt-01 583447 500 205 69 226 +96.94 ± 13.65 0 11 93 145 1 +209.91 ± 35.49
381689 ncm-dbt-04 570749 500 197 75 228 +86.52 ± 14.08 0 12 108 126 4 +178.11 ± 32.72
381688 ncm-dbt-02 590138 500 201 71 228 +92.45 ± 13.43 0 9 104 135 2 +196.45 ± 33.3
381687 ncm-dbt-03 586477 500 185 65 250 +85.04 ± 13.9 0 13 106 129 2 +178.11 ± 33.1
381686 ncm-dbt-05 585506 500 198 62 240 +96.94 ± 13.96 0 11 95 141 3 +206.01 ± 35.09
381685 ncm-dbt-01 584117 500 200 63 237 +97.69 ± 14.13 0 12 92 143 3 +207.95 ± 35.71
381684 ncm-dbt-04 574947 500 198 76 226 +86.52 ± 14.23 1 13 100 135 1 +185.33 ± 34.19
381683 ncm-dbt-02 588260 500 177 61 262 +82.1 ± 13.52 0 11 114 123 2 +171.02 ± 31.66
381682 ncm-dbt-03 586139 500 193 70 237 +87.26 ± 13.64 0 11 107 130 2 +183.51 ± 32.85
381681 ncm-dbt-05 581860 500 198 78 224 +85.04 ± 13.6 0 10 113 124 3 +176.33 ± 31.78
381680 ncm-dbt-04 570989 500 195 70 235 +88.74 ± 13.52 0 9 110 128 3 +185.33 ± 32.23
381679 ncm-dbt-01 584285 500 195 58 247 +97.69 ± 14.28 0 13 90 144 3 +207.95 ± 36.13
381678 ncm-dbt-02 588004 500 192 64 244 +90.96 ± 14.47 0 16 92 140 2 +192.71 ± 35.72
381677 ncm-dbt-04 573284 500 197 77 226 +85.04 ± 13.44 0 10 112 126 2 +178.11 ± 31.94
381676 ncm-dbt-03 588643 500 190 78 232 +79.17 ± 14.19 0 16 108 124 2 +164.07 ± 32.83
381675 ncm-dbt-05 584495 500 204 74 222 +92.45 ± 14.35 0 15 92 141 2 +196.45 ± 35.72
381674 ncm-dbt-01 583028 500 194 64 242 +92.45 ± 14.05 0 11 102 133 4 +192.71 ± 33.75
381673 ncm-dbt-02 587749 500 197 70 233 +90.22 ± 13.23 0 9 106 134 1 +192.71 ± 32.93
381672 ncm-dbt-04 571431 500 188 70 242 +83.57 ± 14.88 0 18 100 128 4 +171.02 ± 34.23
381671 ncm-dbt-03 591943 500 190 65 245 +88.74 ± 13.68 0 12 102 135 1 +189.0 ± 33.78
381670 ncm-dbt-05 584117 500 192 71 237 +85.78 ± 14.22 0 13 107 126 4 +176.33 ± 32.93
381669 ncm-dbt-02 589967 500 208 80 212 +90.96 ± 13.56 0 10 104 134 2 +192.71 ± 33.34
381668 ncm-dbt-01 586139 500 188 72 240 +82.1 ± 14.84 1 15 105 125 4 +169.27 ± 33.34

Commit

Commit ID aaadbe0572e793cea9ebdf37e32c79235e4d573b
Author Nonlinear2
Date 2024-10-12 14:40:37 UTC
Introduce mean squared score for delta adjustments This patch introduces the value `meanSquaredScore`, which makes the initial delta sensitive to unstable iterative deepening scores. Passed STC: https://tests.stockfishchess.org/tests/view/66fed74286d5ee47d953bb42 LLR: 2.98 (-2.94,2.94) <0.00,2.00> Total: 71104 W: 18635 L: 18262 D: 34207 Ptnml(0-2): 234, 8365, 17993, 8714, 246 Passed LTC: https://tests.stockfishchess.org/tests/view/6700088e86d5ee47d953bbe9 LLR: 2.95 (-2.94,2.94) <0.50,2.50> Total: 212544 W: 54238 L: 53560 D: 104746 Ptnml(0-2): 120, 23093, 59172, 23763, 124 closes https://github.com/official-stockfish/Stockfish/pull/5627 Bench: 1395505
Copyright 2011–2024 Next Chess Move LLC