Dev Builds » 20240329-0918

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 06:52:17 574862 3974 1468 604 1902 +76.76 ± 5.02 2 129 870 975 11 +159.91 ± 11.52
ncm-dbt-02 06:53:15 577502 4020 1488 565 1967 +81.22 ± 4.98 2 121 850 1026 11 +170.47 ± 11.66
ncm-dbt-03 06:52:13 576914 4004 1498 601 1905 +79.18 ± 4.94 0 121 875 994 12 +164.96 ± 11.47
ncm-dbt-04 06:53:30 572912 4016 1491 626 1899 +76.02 ± 4.99 1 132 888 975 12 +157.79 ± 11.4
ncm-dbt-05 06:53:09 576485 3986 1457 586 1943 +77.16 ± 4.9 3 111 898 974 7 +161.93 ± 11.3
20000 7402 2982 9616 +78.07 ± 2.22 8 614 4381 4944 53 +162.99 ± 5.13

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
381154 ncm-dbt-04 573204 16 5 2 9 +65.91 ± 89.0 0 1 3 4 0 +136.97 ± 241.58 ↓
381153 ncm-dbt-03 493310 250 95 32 123 +89.48 ± 19.15 0 6 50 69 0 +192.71 ± 48.58 ↓
381152 ncm-dbt-01 491372 250 93 42 115 +71.88 ± 18.92 0 7 60 58 0 +150.51 ± 43.79 ↓
381151 ncm-dbt-05 508141 246 86 23 137 +91.0 ± 18.46 0 4 52 67 0 +196.54 ± 47.22 ↓
381150 ncm-dbt-02 497536 250 96 35 119 +86.52 ± 19.93 0 7 51 66 1 +181.7 ± 48.11 ↓
381149 ncm-dbt-01 585253 224 77 35 112 +65.92 ± 20.99 0 9 52 51 0 +136.97 ± 47.48 ↓
381148 ncm-dbt-05 584285 240 94 24 122 +104.36 ± 17.88 0 2 46 72 0 +231.91 ± 50.24 ↓
381147 ncm-dbt-04 574135 500 187 81 232 +74.79 ± 13.76 1 13 115 121 0 +158.93 ± 31.63 ↓
381146 ncm-dbt-03 585506 254 96 39 119 +79.31 ± 19.46 0 7 57 62 1 +164.48 ± 45.2 ↓
381145 ncm-dbt-02 587919 270 90 37 143 +69.09 ± 18.6 0 8 67 59 1 +141.11 ± 41.3 ↓
381144 ncm-dbt-01 586266 500 194 59 247 +96.19 ± 13.64 0 9 100 138 3 +204.07 ± 34.04 ↓
381143 ncm-dbt-04 568912 500 194 87 219 +75.52 ± 14.23 0 17 111 120 2 +155.54 ± 32.36 ↓
381142 ncm-dbt-05 582778 500 188 73 239 +81.37 ± 14.11 1 13 107 128 1 +172.78 ± 32.96 ↓
381141 ncm-dbt-03 588132 500 184 71 245 +79.9 ± 15.2 0 23 93 132 2 +165.8 ± 35.41 ↓
381140 ncm-dbt-02 584622 500 196 83 221 +79.9 ± 14.21 1 15 104 130 0 +171.02 ± 33.51 ↓
381139 ncm-dbt-01 583992 500 181 76 243 +74.06 ± 13.59 0 14 118 117 1 +153.86 ± 31.15 ↓
381138 ncm-dbt-04 574947 500 185 69 246 +82.1 ± 13.68 0 13 109 127 1 +172.78 ± 32.58 ↓
381137 ncm-dbt-05 581777 500 190 75 235 +81.37 ± 13.81 0 15 105 130 0 +172.78 ± 33.32 ↓
381136 ncm-dbt-03 588472 500 196 82 222 +80.63 ± 13.49 0 12 113 124 1 +169.27 ± 31.88 ↓
381135 ncm-dbt-02 586097 500 185 72 243 +79.9 ± 14.07 0 15 109 124 2 +165.8 ± 32.64 ↓
381134 ncm-dbt-01 583363 500 198 68 234 +92.45 ± 14.35 0 14 95 138 3 +194.57 ± 35.13 ↓
381133 ncm-dbt-04 573527 500 183 73 244 +77.7 ± 14.86 0 21 100 127 2 +160.64 ± 34.22 ↓
381132 ncm-dbt-03 583908 500 183 83 234 +70.43 ± 13.76 0 15 122 111 2 +143.89 ± 30.58 ↓
381131 ncm-dbt-05 586393 500 179 75 246 +73.33 ± 13.86 0 15 118 115 2 +150.51 ± 31.19 ↓
381130 ncm-dbt-02 587409 500 186 58 256 +90.96 ± 14.62 0 17 90 141 2 +192.71 ± 36.1 ↓
381129 ncm-dbt-01 583614 500 179 75 246 +73.33 ± 14.58 0 21 105 123 1 +152.18 ± 33.38 ↓
381128 ncm-dbt-04 572840 500 185 82 233 +72.61 ± 14.41 0 20 108 121 1 +150.51 ± 32.89 ↓
381127 ncm-dbt-05 588430 500 182 84 234 +68.99 ± 13.71 1 12 127 108 2 +142.26 ± 29.73 ↓
381126 ncm-dbt-03 586097 500 181 70 249 +78.43 ± 13.88 0 14 113 121 2 +162.35 ± 31.95 ↓
381125 ncm-dbt-02 585169 500 193 71 236 +86.52 ± 13.47 0 11 107 131 1 +183.51 ± 32.85 ↓
381124 ncm-dbt-01 587537 500 175 76 249 +69.71 ± 14.73 1 19 112 116 2 +143.89 ± 32.25 ↓
381123 ncm-dbt-04 571070 500 173 78 249 +66.82 ± 14.48 0 22 112 115 1 +137.37 ± 32.27 ↓
381122 ncm-dbt-05 586477 500 173 85 242 +61.79 ± 14.14 0 22 118 110 0 +127.76 ± 31.37 ↓
381121 ncm-dbt-03 587028 500 191 74 235 +82.83 ± 12.91 0 9 115 126 0 +176.33 ± 31.38 ↓
381120 ncm-dbt-02 587579 500 185 69 246 +82.1 ± 15.12 1 19 95 133 2 +172.78 ± 35.1 ↓
381119 ncm-dbt-01 585042 500 187 90 223 +68.27 ± 14.26 0 20 114 115 1 +140.62 ± 31.94 ↓
381118 ncm-dbt-03 591857 500 192 74 234 +83.57 ± 14.01 0 15 103 131 1 +176.33 ± 33.67 ↓
381117 ncm-dbt-04 574054 500 193 75 232 +83.57 ± 14.6 0 16 104 126 4 +171.02 ± 33.51 ↓
381116 ncm-dbt-05 585126 500 176 71 253 +74.06 ± 14.18 1 16 110 123 0 +157.24 ± 32.52 ↓
381115 ncm-dbt-02 588771 500 183 71 246 +79.17 ± 13.75 0 14 111 124 1 +165.8 ± 32.28 ↓
381114 ncm-dbt-03 587919 500 180 76 244 +73.33 ± 14.72 0 20 109 118 3 +148.85 ± 32.73 ↓
381113 ncm-dbt-01 587325 500 184 83 233 +71.16 ± 14.08 1 16 114 119 0 +150.51 ± 31.88 ↓
381112 ncm-dbt-02 592418 500 174 69 257 +74.06 ± 13.74 0 15 116 118 1 +153.86 ± 31.51 ↓
381111 ncm-dbt-05 584958 500 189 76 235 +79.9 ± 13.62 0 12 115 121 2 +165.8 ± 31.55 ↓
381110 ncm-dbt-04 573527 500 186 79 235 +75.52 ± 12.87 0 9 126 114 1 +157.24 ± 29.64 ↓

Commit

Commit ID e13e4cfb8340cdb26a00679681a0f163c6b4f0a9
Author Shawn Xu
Date 2024-03-29 09:18:40 UTC
Simplify NMP Condition Remove eval >= ss->staticEval condition for Null Move Pruning. Passed non-regression STC: LLR: 2.93 (-2.94,2.94) <-1.75,0.25> Total: 44000 W: 11420 L: 11202 D: 21378 Ptnml(0-2): 174, 5243, 10978, 5401, 204 https://tests.stockfishchess.org/tests/live_elo/6603ee490ec64f0526c57984 Passed non-regression LTC: LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 82956 W: 20978 L: 20818 D: 41160 Ptnml(0-2): 54, 9353, 22499, 9523, 49 https://tests.stockfishchess.org/tests/live_elo/660464b50ec64f0526c5804d closes https://github.com/official-stockfish/Stockfish/pull/5142 Bench 1759189
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