Dev Builds » 20240820-1851

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 06:51:49 584541 3994 1502 569 1923 +82.69 ± 4.9 1 110 849 1029 8 +174.42 ± 11.65
ncm-dbt-02 06:50:17 586876 4000 1469 595 1936 +77.16 ± 5.04 4 132 857 1000 7 +162.14 ± 11.62
ncm-dbt-03 06:52:44 587894 4012 1497 581 1934 +80.75 ± 4.92 0 124 847 1030 5 +170.21 ± 11.68
ncm-dbt-04 06:52:15 556581 4000 1500 571 1929 +82.19 ± 5.02 1 122 839 1023 15 +171.68 ± 11.74
ncm-dbt-05 06:53:01 583301 3994 1492 588 1914 +80.02 ± 4.9 3 99 902 977 16 +166.74 ± 11.25
20000 7460 2904 9636 +80.56 ± 2.22 9 587 4294 5059 51 +169.01 ± 5.18

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
373729 ncm-dbt-03 589411 12 6 0 6 +190.66 ± 9.26 0 0 0 6 0 +1199.83 ± 215.27
373728 ncm-dbt-05 581818 494 183 75 236 +77.2 ± 15.11 2 14 109 118 4 +159.42 ± 32.65
373727 ncm-dbt-01 586985 494 180 73 241 +76.46 ± 14.08 0 16 109 121 1 +159.42 ± 32.65
373726 ncm-dbt-04 556222 500 172 73 255 +69.71 ± 14.59 0 22 108 119 1 +143.89 ± 32.9
373725 ncm-dbt-02 585759 500 168 66 266 +71.88 ± 14.39 0 20 109 120 1 +148.85 ± 32.73
373724 ncm-dbt-03 588941 500 179 74 247 +74.06 ± 14.32 0 20 105 125 0 +155.54 ± 33.38
373723 ncm-dbt-05 579289 500 182 72 246 +77.71 ± 13.25 1 8 122 118 1 +164.07 ± 30.26
373722 ncm-dbt-01 585337 500 193 77 230 +82.1 ± 13.98 0 14 108 126 2 +171.02 ± 32.78
373721 ncm-dbt-04 557252 500 186 70 244 +82.1 ± 14.42 0 18 99 132 1 +172.78 ± 34.4
373720 ncm-dbt-02 588217 500 186 72 242 +80.63 ± 14.66 0 19 100 129 2 +167.53 ± 34.22
373719 ncm-dbt-03 587240 500 190 86 224 +73.33 ± 14.99 0 24 99 126 1 +152.18 ± 34.35
373718 ncm-dbt-05 580821 500 181 68 251 +79.9 ± 14.21 0 16 107 125 2 +165.8 ± 33.0
373717 ncm-dbt-01 578836 500 190 67 243 +87.26 ± 13.33 0 9 111 128 2 +183.51 ± 32.06
373716 ncm-dbt-02 586308 500 182 78 240 +73.34 ± 14.72 2 16 109 122 1 +155.54 ± 32.7
373715 ncm-dbt-04 557023 500 206 81 213 +88.74 ± 13.98 0 12 104 131 3 +185.33 ± 33.42
373714 ncm-dbt-03 588430 500 192 63 245 +91.71 ± 14.04 0 15 91 144 0 +198.34 ± 35.92
373713 ncm-dbt-01 585801 500 187 67 246 +85.04 ± 13.13 0 10 110 130 0 +181.7 ± 32.28
373712 ncm-dbt-02 585042 500 191 86 223 +74.06 ± 14.6 2 15 110 122 1 +157.24 ± 32.52
373711 ncm-dbt-05 578753 500 193 83 224 +77.71 ± 13.25 0 12 116 122 0 +164.07 ± 31.39
373710 ncm-dbt-04 556108 500 197 79 224 +83.57 ± 13.71 0 12 110 126 2 +174.55 ± 32.38
373709 ncm-dbt-03 588600 500 176 79 245 +68.27 ± 13.24 0 14 125 111 0 +142.26 ± 30.08
373708 ncm-dbt-01 583866 500 187 71 242 +82.1 ± 14.7 1 17 98 133 1 +174.55 ± 34.58
373707 ncm-dbt-02 588472 500 184 74 242 +77.7 ± 14.15 0 17 107 125 1 +162.35 ± 33.02
373706 ncm-dbt-04 557596 500 185 74 241 +78.43 ± 14.46 0 18 105 125 2 +162.35 ± 33.37
373705 ncm-dbt-05 581735 500 186 84 230 +71.88 ± 14.25 0 18 114 116 2 +147.19 ± 31.9
373704 ncm-dbt-03 588089 500 190 63 247 +90.22 ± 13.7 0 13 97 140 0 +194.57 ± 34.74
373703 ncm-dbt-02 587240 500 184 67 249 +82.83 ± 13.7 0 13 108 128 1 +174.55 ± 32.75
373702 ncm-dbt-01 585211 500 189 67 244 +86.52 ± 13.78 0 14 100 136 0 +185.33 ± 34.19
373701 ncm-dbt-05 581943 500 187 62 251 +88.74 ± 13.36 0 9 109 130 2 +187.16 ± 32.4
373700 ncm-dbt-03 585211 500 189 74 237 +81.36 ± 14.4 0 16 106 125 3 +167.53 ± 33.17
373699 ncm-dbt-04 554288 500 180 58 262 +86.52 ± 13.78 0 13 103 133 1 +183.51 ± 33.63
373698 ncm-dbt-01 585548 500 181 67 252 +80.63 ± 13.49 0 12 113 124 1 +169.27 ± 31.88
373697 ncm-dbt-03 585843 500 181 74 245 +75.52 ± 13.49 0 14 115 121 0 +158.93 ± 31.63
373696 ncm-dbt-02 586858 500 182 82 236 +70.44 ± 14.34 0 21 108 121 0 +147.19 ± 32.89
373695 ncm-dbt-05 581361 500 185 85 230 +70.43 ± 13.76 0 14 125 108 3 +142.26 ± 30.08
373694 ncm-dbt-04 556718 500 178 67 255 +78.44 ± 14.17 1 15 106 128 0 +167.53 ± 33.17
373693 ncm-dbt-02 587113 500 192 70 238 +86.52 ± 13.32 0 11 106 133 0 +185.33 ± 33.03
373692 ncm-dbt-01 584748 500 195 80 225 +81.36 ± 14.4 0 18 100 131 1 +171.02 ± 34.23
373691 ncm-dbt-03 589283 500 194 68 238 +89.48 ± 13.06 0 8 109 132 1 +190.85 ± 32.34
373690 ncm-dbt-05 600691 500 195 59 246 +96.94 ± 13.33 0 8 100 140 2 +207.95 ± 33.99
373689 ncm-dbt-04 557443 500 196 69 235 +90.22 ± 14.31 0 12 104 129 5 +185.33 ± 33.42

Commit

Commit ID a75717ede14df4526a0990466e7b10d00e89c9ff
Author Shawn Xu
Date 2024-08-20 18:51:39 UTC
Simplify Post-LMR Continuation History Updates Passed Non-regression STC: LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 55520 W: 14625 L: 14420 D: 26475 Ptnml(0-2): 247, 6522, 14007, 6747, 237 https://tests.stockfishchess.org/tests/view/66ad40874ff211be9d4ed8f7 Passed Non-regression LTC: LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 216168 W: 54561 L: 54540 D: 107067 Ptnml(0-2): 196, 24212, 59244, 24239, 193 https://tests.stockfishchess.org/tests/view/66aeac954ff211be9d4eda03 closes https://github.com/official-stockfish/Stockfish/pull/5530 bench 1418263
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