Dev Builds » 20241208-1855

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 06:51:27 584336 4004 1517 546 1941 +85.97 ± 4.9 1 98 849 1037 17 +180.36 ± 11.64
ncm-dbt-02 06:50:08 587817 4000 1548 519 1933 +91.43 ± 4.82 0 87 810 1090 13 +194.57 ± 11.92
ncm-dbt-03 06:51:21 586308 3996 1535 545 1916 +87.91 ± 4.9 2 96 822 1066 12 +186.47 ± 11.84
ncm-dbt-04 06:50:48 571022 4000 1541 539 1920 +88.92 ± 4.91 1 97 816 1071 15 +188.08 ± 11.89
ncm-dbt-05 06:51:04 585363 4000 1531 530 1939 +88.83 ± 5.0 4 106 786 1093 11 +189.46 ± 12.14
20000 7672 2679 9649 +88.61 ± 2.19 8 484 4083 5357 68 +187.76 ± 5.31

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
390042 ncm-dbt-01 582945 4 2 0 2 +190.27 ± 27.79 0 0 0 2 0 +1199.83 ± 312.71
390041 ncm-dbt-03 587664 496 200 71 225 +92.48 ± 13.81 0 12 96 139 1 +198.4 ± 34.91
390040 ncm-dbt-02 589497 500 197 68 235 +91.71 ± 14.63 0 18 86 145 1 +196.45 ± 36.88
390039 ncm-dbt-04 570629 500 203 71 226 +93.95 ± 14.07 1 10 97 140 2 +202.15 ± 34.7
390038 ncm-dbt-05 583321 500 195 68 237 +90.22 ± 13.7 1 9 103 136 1 +194.57 ± 33.53
390037 ncm-dbt-01 584664 500 194 76 230 +83.57 ± 13.56 0 12 109 128 1 +176.33 ± 32.55
390036 ncm-dbt-03 586816 500 194 66 240 +90.97 ± 12.92 0 8 106 136 0 +196.45 ± 32.87
390035 ncm-dbt-02 586435 500 196 68 236 +90.96 ± 13.24 0 9 105 135 1 +194.57 ± 33.11
390034 ncm-dbt-04 572316 500 192 62 246 +92.45 ± 13.74 0 13 94 143 0 +200.24 ± 35.32
390033 ncm-dbt-05 589497 500 191 58 251 +94.7 ± 14.24 1 12 91 145 1 +206.01 ± 35.92
390032 ncm-dbt-01 585000 500 188 67 245 +85.78 ± 14.22 1 13 101 134 1 +183.51 ± 34.01
390031 ncm-dbt-02 587494 500 197 59 244 +98.44 ± 13.34 0 8 98 142 2 +211.87 ± 34.38
390030 ncm-dbt-03 585590 500 191 61 248 +92.45 ± 14.35 0 13 98 135 4 +192.71 ± 34.55
390029 ncm-dbt-05 584832 500 192 66 242 +89.48 ± 12.56 0 5 115 129 1 +190.85 ± 31.07
390028 ncm-dbt-04 571029 500 191 78 231 +79.9 ± 14.5 0 16 109 121 4 +162.35 ± 32.67
390027 ncm-dbt-01 584076 500 197 73 230 +88.0 ± 13.81 0 12 104 132 2 +185.33 ± 33.42
390026 ncm-dbt-05 583656 500 202 73 225 +91.71 ± 14.78 1 14 93 139 3 +194.57 ± 35.52
390025 ncm-dbt-02 588004 500 182 60 258 +86.52 ± 13.47 0 11 107 131 1 +183.51 ± 32.85
390024 ncm-dbt-03 586562 500 183 64 253 +84.31 ± 13.73 0 14 103 133 0 +179.9 ± 33.65
390023 ncm-dbt-04 568991 500 182 72 246 +77.7 ± 14.0 0 15 112 121 2 +160.64 ± 32.15
390022 ncm-dbt-01 585674 500 187 60 253 +90.22 ± 13.39 0 8 110 129 3 +189.0 ± 32.17
390021 ncm-dbt-02 587749 500 195 69 236 +89.48 ± 13.84 0 12 102 134 2 +189.0 ± 33.78
390020 ncm-dbt-05 583447 500 178 66 256 +79.17 ± 14.34 1 16 103 130 0 +169.27 ± 33.7
390019 ncm-dbt-03 586774 500 199 64 237 +96.19 ± 13.8 0 9 101 136 4 +202.15 ± 33.85
390018 ncm-dbt-01 585506 500 190 70 240 +85.04 ± 13.28 0 11 108 131 0 +181.7 ± 32.68
390017 ncm-dbt-04 570709 500 187 65 248 +86.52 ± 13.47 0 10 110 128 2 +181.7 ± 32.28
390016 ncm-dbt-02 587155 500 193 59 248 +95.44 ± 14.1 0 11 98 137 4 +200.24 ± 34.5
390015 ncm-dbt-03 586774 500 181 74 245 +75.52 ± 14.65 1 18 105 125 1 +158.93 ± 33.37
390014 ncm-dbt-05 587622 500 208 58 234 +107.54 ± 13.89 0 11 80 157 2 +236.51 ± 38.38
390013 ncm-dbt-01 580821 500 194 61 245 +94.69 ± 14.54 0 13 96 136 5 +196.45 ± 34.93
390012 ncm-dbt-04 572155 500 193 65 242 +90.96 ± 13.87 0 11 103 133 3 +190.85 ± 33.57
390011 ncm-dbt-02 585464 500 195 63 242 +93.95 ± 12.96 0 8 102 140 0 +204.07 ± 33.61
390010 ncm-dbt-03 581943 500 198 71 231 +90.22 ± 13.55 0 10 105 133 2 +190.85 ± 33.16
390009 ncm-dbt-01 584201 500 181 69 250 +79.17 ± 13.75 0 13 114 121 2 +164.07 ± 31.75
390008 ncm-dbt-05 582444 500 189 73 238 +82.1 ± 14.42 0 17 102 129 2 +171.02 ± 33.87
390007 ncm-dbt-04 569350 500 193 63 244 +92.45 ± 13.27 0 9 103 137 1 +198.34 ± 33.48
390006 ncm-dbt-02 590739 500 193 73 234 +85.04 ± 13.44 0 10 112 126 2 +178.11 ± 31.94
390005 ncm-dbt-03 588345 500 189 74 237 +81.37 ± 13.81 1 12 108 129 0 +174.55 ± 32.75
390004 ncm-dbt-04 573002 500 200 63 237 +97.69 ± 13.97 0 13 88 148 1 +211.87 ± 36.55
390003 ncm-dbt-05 588089 500 176 68 256 +76.25 ± 14.81 0 22 99 128 1 +158.93 ± 34.38
390002 ncm-dbt-01 586139 500 184 70 246 +80.63 ± 14.38 0 16 107 124 3 +165.8 ± 33.0

Commit

Commit ID 6a8478c6adaf9fda6b885ea74e510910f5618c41
Author Shawn Xu
Date 2024-12-08 18:55:10 UTC
Simplify Prior Capture Countermove Bonus Passed Non-regression STC: LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 184032 W: 47626 L: 47568 D: 88838 Ptnml(0-2): 590, 21808, 47238, 21714, 666 https://tests.stockfishchess.org/tests/view/67412c7686d5ee47d953f743 Passed Non-regression LTC: LLR: 2.96 (-2.94,2.94) <-1.75,0.25> Total: 169218 W: 43395 L: 43323 D: 82500 Ptnml(0-2): 302, 18567, 46791, 18655, 294 https://tests.stockfishchess.org/tests/view/6743b7e086d5ee47d953f9a6 closes https://github.com/official-stockfish/Stockfish/pull/5701 Bench: 1130692
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