Dev Builds » 20240608-2110

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 06:50:02 584927 4004 1539 580 1885 +84.86 ± 5.0 3 107 838 1036 18 +177.9 ± 11.73
ncm-dbt-02 06:50:15 587503 3996 1465 580 1951 +78.24 ± 5.02 4 120 875 985 14 +163.18 ± 11.48
ncm-dbt-03 06:47:59 587448 4000 1529 570 1901 +84.95 ± 4.96 4 99 848 1032 17 +178.56 ± 11.65
ncm-dbt-04 06:47:16 571312 4000 1466 635 1899 +73.25 ± 5.02 2 136 904 945 13 +151.35 ± 11.29
ncm-dbt-05 06:48:26 585858 4000 1504 594 1902 +80.45 ± 5.0 3 118 858 1008 13 +168.4 ± 11.6
20000 7503 2959 9538 +80.34 ± 2.24 16 580 4323 5006 75 +167.75 ± 5.16

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
389106 ncm-dbt-01 586731 4 2 0 2 +190.27 ± 27.79 0 0 0 2 0 +1199.83 ± 312.71
389105 ncm-dbt-02 588345 496 178 62 256 +82.79 ± 14.66 1 13 107 123 4 +170.87 ± 32.94
389104 ncm-dbt-04 570669 500 184 73 243 +78.44 ± 14.31 1 14 110 123 2 +164.07 ± 32.48
389103 ncm-dbt-05 585295 500 196 71 233 +88.74 ± 13.98 1 10 104 133 2 +189.0 ± 33.39
389102 ncm-dbt-01 587409 500 201 75 224 +89.48 ± 13.69 0 12 101 136 1 +190.85 ± 33.97
389101 ncm-dbt-03 587494 500 189 79 232 +77.71 ± 14.44 2 13 109 125 1 +165.8 ± 32.64
389100 ncm-dbt-04 572235 500 192 86 222 +74.79 ± 14.06 0 15 117 115 3 +152.18 ± 31.35
389099 ncm-dbt-02 585464 500 179 75 246 +73.33 ± 14.44 0 17 116 113 4 +147.19 ± 31.57
389098 ncm-dbt-03 586350 500 203 68 229 +96.19 ± 13.32 0 7 104 136 3 +204.07 ± 33.17
389097 ncm-dbt-05 584832 500 186 70 244 +82.1 ± 14.13 0 15 106 127 2 +171.02 ± 33.15
389096 ncm-dbt-01 586816 500 179 75 246 +73.33 ± 14.44 0 19 110 119 2 +150.51 ± 32.56
389095 ncm-dbt-04 572155 500 180 62 258 +83.57 ± 14.31 0 18 96 136 0 +178.11 ± 34.94
389094 ncm-dbt-02 589112 500 190 68 242 +86.52 ± 14.08 0 16 96 138 0 +185.33 ± 34.95
389093 ncm-dbt-05 587197 500 187 64 249 +87.26 ± 14.4 1 13 100 134 2 +185.33 ± 34.19
389092 ncm-dbt-03 588174 500 190 67 243 +87.26 ± 13.95 0 12 106 129 3 +181.7 ± 33.07
389091 ncm-dbt-01 582277 500 200 67 233 +94.69 ± 13.3 0 8 103 137 2 +202.15 ± 33.42
389090 ncm-dbt-04 570428 500 183 83 234 +70.43 ± 13.91 0 17 117 115 1 +145.54 ± 31.41
389089 ncm-dbt-02 585928 500 187 71 242 +82.1 ± 13.68 0 14 106 130 0 +174.55 ± 33.13
389088 ncm-dbt-05 588132 500 193 69 238 +88.0 ± 13.66 0 12 103 134 1 +187.16 ± 33.6
389087 ncm-dbt-03 587664 500 197 66 237 +93.2 ± 13.91 1 8 103 135 3 +198.34 ± 33.48
389086 ncm-dbt-01 581236 500 189 77 234 +79.17 ± 14.76 1 15 109 121 4 +162.35 ± 32.67
389085 ncm-dbt-04 573042 500 191 90 219 +71.16 ± 14.22 0 18 115 115 2 +145.54 ± 31.75
389084 ncm-dbt-02 586012 500 176 72 252 +73.34 ± 13.86 1 12 121 114 2 +152.18 ± 30.64
389083 ncm-dbt-05 584369 500 180 72 248 +76.25 ± 14.67 0 20 104 124 2 +157.24 ± 33.54
389082 ncm-dbt-03 587494 500 184 63 253 +85.78 ± 13.46 0 12 105 133 0 +183.51 ± 33.24
389081 ncm-dbt-01 583614 500 191 70 239 +85.78 ± 14.22 1 11 107 128 3 +179.9 ± 32.89
389080 ncm-dbt-02 588643 500 181 71 248 +77.7 ± 14.0 0 16 109 124 1 +162.35 ± 32.67
389079 ncm-dbt-04 569989 500 171 88 241 +58.21 ± 14.53 0 23 124 100 3 +115.23 ± 30.51
389078 ncm-dbt-03 586266 500 189 74 237 +81.36 ± 13.81 0 14 108 127 1 +171.02 ± 32.78
389077 ncm-dbt-05 585506 500 186 79 235 +75.52 ± 13.64 0 15 113 122 0 +158.93 ± 31.99
389076 ncm-dbt-01 586097 500 201 66 233 +96.19 ± 14.11 1 9 97 140 3 +206.01 ± 34.66
389075 ncm-dbt-03 586562 500 192 73 235 +84.3 ± 14.33 0 14 107 125 4 +172.78 ± 32.96
389074 ncm-dbt-04 570869 500 180 75 245 +74.06 ± 13.14 0 12 121 117 0 +155.54 ± 30.59
389073 ncm-dbt-02 589112 500 178 80 242 +68.99 ± 14.97 2 18 112 116 2 +143.89 ± 32.25
389072 ncm-dbt-05 583656 500 197 86 217 +78.43 ± 13.58 0 12 117 119 2 +162.35 ± 31.23
389071 ncm-dbt-01 585084 500 194 74 232 +85.04 ± 14.35 0 17 97 135 1 +179.9 ± 34.76
389070 ncm-dbt-04 571110 500 185 78 237 +75.52 ± 14.93 1 19 104 124 2 +157.24 ± 33.54
389069 ncm-dbt-03 589582 500 185 80 235 +74.06 ± 14.88 1 19 106 122 2 +153.86 ± 33.21
389068 ncm-dbt-05 587877 500 179 83 238 +67.55 ± 14.92 1 21 111 115 2 +138.99 ± 32.43
389067 ncm-dbt-02 587409 500 196 81 223 +81.36 ± 13.81 0 14 108 127 1 +171.02 ± 32.78
389066 ncm-dbt-01 585084 500 182 76 242 +74.79 ± 14.06 0 16 114 118 2 +153.86 ± 31.85

Commit

Commit ID 5dda4037c73ead63b145c9a77f1dbb41422e058f
Author rn5f107s2
Date 2024-06-08 21:10:59 UTC
Simplify razor changes Remove razoring changes from https://github.com/official-stockfish/Stockfish/pull/5360 The mentioned patch introduced the usage of futility_margin into razoring alongside a tune to futility_margin. It seems the elo gained in this patch comes from the tune of futility_margin and not the introduction of futility_margin to razoring, so simplify it away here. Passed Non-regression STC: https://tests.stockfishchess.org/tests/view/66606581c340c8eed7757bc8 LLR: 2.93 (-2.94,2.94) <-1.75,0.25> Total: 169056 W: 43922 L: 43848 D: 81286 Ptnml(0-2): 438, 20288, 43034, 20298, 470 Passed Non-regression LTC: https://tests.stockfishchess.org/tests/view/66607764c340c8eed7757c58 LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 157134 W: 39805 L: 39723 D: 77606 Ptnml(0-2): 74, 17444, 43461, 17502, 86 Passed rebased Non-regression LTC: https://tests.stockfishchess.org/tests/view/6660c696c340c8eed77580c0 LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 135984 W: 34427 L: 34324 D: 67233 Ptnml(0-2): 67, 15063, 37615, 15194, 53 closes https://github.com/official-stockfish/Stockfish/pull/5366 Bench: 1150518
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