Dev Builds » 20221119-0823

Use this dev build

NCM plays each Stockfish dev build 20,000 times against Stockfish 14. 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 10:05:44 1285665 3378 1357 375 1646 +104.0 +/- 5.51 2 69 596 989 33 +221.42 +/- 13.95
ncm-dbt-02 09:58:53 1290677 3278 1315 359 1604 +104.36 +/- 5.57 0 76 557 980 26 +223.65 +/- 14.44
ncm-dbt-03 10:05:24 1315968 3340 1309 383 1648 +98.91 +/- 5.44 1 68 631 944 26 +209.67 +/- 13.54
ncm-dbt-04 10:04:54 1308708 3342 1341 373 1628 +103.6 +/- 5.54 2 77 567 1001 24 +222.99 +/- 14.31
ncm-dbt-05 10:01:47 1308702 3320 1323 360 1637 +103.76 +/- 5.52 2 68 582 981 27 +222.44 +/- 14.12
ncm-dbt-06 10:05:35 1310853 3342 1350 345 1647 +107.81 +/- 5.4 1 59 573 1010 28 +232.94 +/- 14.23
20000 7995 2195 9810 +103.73 +/- 2.24 8 417 3506 5905 164 +222.1 +/- 5.75

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
202408 ncm-dbt-02 1194126 124 45 15 64 +85.75 +/- 31.78 0 6 21 34 1 +176.21 +/- 75.58
202407 ncm-dbt-05 1230614 152 60 13 79 +111.06 +/- 27.18 0 3 26 44 3 +229.61 +/- 68.49
202406 ncm-dbt-06 1225318 170 67 17 86 +105.29 +/- 24.3 0 3 31 49 2 +222.26 +/- 62.28
202405 ncm-dbt-04 1224423 176 75 21 80 +110.14 +/- 22.18 0 1 34 51 2 +235.93 +/- 58.47
202404 ncm-dbt-03 1253843 176 64 22 90 +84.54 +/- 23.95 1 3 37 47 0 +185.62 +/- 56.51
202403 ncm-dbt-01 1187809 202 80 27 95 +93.34 +/- 23.84 1 5 36 58 1 +202.51 +/- 57.7
202402 ncm-dbt-02 1198672 500 197 43 260 +110.6 +/- 14.38 0 11 79 155 5 +238.66 +/- 38.63
202401 ncm-dbt-05 1228009 500 207 49 244 +113.68 +/- 14.53 1 8 79 156 6 +247.41 +/- 38.64
202400 ncm-dbt-04 1203307 500 192 50 258 +101.46 +/- 14.92 1 14 80 152 3 +219.87 +/- 38.28
202399 ncm-dbt-06 1232230 500 206 60 234 +104.49 +/- 14.66 0 12 86 146 6 +219.87 +/- 36.98
202398 ncm-dbt-03 1241364 500 188 54 258 +95.44 +/- 13.94 0 12 94 142 2 +204.07 +/- 35.31
202397 ncm-dbt-01 1183733 500 198 57 245 +100.71 +/- 14.16 1 8 94 143 4 +215.85 +/- 35.23
202396 ncm-dbt-02 1195193 500 192 50 258 +101.46 +/- 14.17 0 10 93 142 5 +213.85 +/- 35.47
202395 ncm-dbt-05 1234442 500 198 47 255 +108.3 +/- 13.56 0 9 83 156 2 +238.66 +/- 37.66
202394 ncm-dbt-04 1226303 500 204 66 230 +98.44 +/- 14.74 1 11 92 141 5 +207.95 +/- 35.71
202393 ncm-dbt-03 1221784 500 196 51 253 +103.73 +/- 14.19 0 12 84 151 3 +223.94 +/- 37.43
202392 ncm-dbt-06 1224191 500 205 51 244 +110.6 +/- 13.39 0 6 88 152 4 +240.82 +/- 36.39
202391 ncm-dbt-01 1172794 500 198 44 258 +110.6 +/- 13.56 0 6 89 150 5 +238.66 +/- 36.16
202390 ncm-dbt-02 1195620 500 209 60 231 +106.77 +/- 14.52 0 12 82 151 5 +228.08 +/- 37.89
202389 ncm-dbt-05 1218142 500 194 61 245 +94.69 +/- 14.39 0 12 98 135 5 +196.45 +/- 34.53
202388 ncm-dbt-04 1226689 500 192 44 264 +106.01 +/- 13.39 0 10 82 158 0 +236.51 +/- 37.9
202387 ncm-dbt-03 1236029 500 197 51 252 +104.49 +/- 13.22 0 3 104 137 6 +219.87 +/- 32.82
202386 ncm-dbt-06 1217010 500 196 41 263 +111.37 +/- 13.73 0 7 86 152 5 +240.82 +/- 36.9
202385 ncm-dbt-01 1192827 500 195 53 252 +101.46 +/- 14.63 0 14 84 148 4 +215.85 +/- 37.4
202384 ncm-dbt-02 1191945 500 205 58 237 +105.25 +/- 14.66 0 14 79 153 4 +226.0 +/- 38.55
202383 ncm-dbt-04 1241043 500 203 56 241 +105.25 +/- 14.66 0 15 76 156 3 +228.08 +/- 39.23
202382 ncm-dbt-05 1210221 500 203 57 240 +104.49 +/- 13.39 0 9 87 153 1 +230.16 +/- 36.73
202381 ncm-dbt-03 1229053 500 206 62 232 +102.97 +/- 14.49 0 12 87 146 5 +217.85 +/- 36.77
202380 ncm-dbt-06 1244086 500 211 51 238 +115.22 +/- 13.2 0 5 84 157 4 +254.16 +/- 37.27
202379 ncm-dbt-01 1242604 500 206 56 238 +107.54 +/- 14.68 0 12 82 150 6 +228.08 +/- 37.89
202378 ncm-dbt-02 1198372 500 206 52 242 +110.6 +/- 14.22 0 11 78 157 4 +240.82 +/- 38.87
202377 ncm-dbt-05 1220196 500 188 56 256 +93.95 +/- 14.23 1 13 89 147 0 +206.01 +/- 36.33
202376 ncm-dbt-04 1243255 500 203 58 239 +103.73 +/- 14.5 0 13 83 150 4 +221.9 +/- 37.65
202375 ncm-dbt-03 1231346 500 190 63 247 +90.22 +/- 14.16 0 14 97 137 2 +190.85 +/- 34.75
202374 ncm-dbt-06 1226823 500 186 57 257 +91.71 +/- 14.34 1 12 96 139 2 +196.45 +/- 34.93
202373 ncm-dbt-01 1196450 500 202 54 244 +106.01 +/- 13.88 0 9 88 149 4 +228.08 +/- 36.51
202372 ncm-dbt-02 1197720 500 200 61 239 +99.2 +/- 13.83 0 11 91 146 2 +213.85 +/- 35.9
202371 ncm-dbt-05 1234541 500 204 64 232 +99.95 +/- 15.05 0 12 95 134 9 +202.15 +/- 35.11
202370 ncm-dbt-04 1229497 500 208 60 232 +106.01 +/- 14.36 0 11 85 149 5 +226.0 +/- 37.21
202369 ncm-dbt-03 1241443 500 210 57 233 +109.83 +/- 14.37 0 8 89 145 8 +230.16 +/- 36.26
202368 ncm-dbt-01 1173522 500 207 61 232 +104.49 +/- 14.66 0 10 92 140 8 +215.85 +/- 35.68
202367 ncm-dbt-06 1239021 500 210 48 242 +116.77 +/- 13.54 0 7 78 161 4 +258.75 +/- 38.88
173561 ncm-dbt-02 1456927 4 2 1 1 +88.51 +/- 137.63 0 0 1 1 0 +190.5 +/- 634.21
173560 ncm-dbt-03 1457075 14 6 4 4 +49.93 +/- 60.15 0 0 5 2 0 +102.04 +/- 134.61
173559 ncm-dbt-05 1455442 18 7 1 10 +120.35 +/- 61.17 0 0 3 6 0 +279.47 +/- 313.13
173558 ncm-dbt-04 1449545 16 7 1 8 +136.89 +/- 61.78 0 0 2 6 0 +337.87 +/- 515.83
173557 ncm-dbt-01 1443996 26 9 7 10 +26.77 +/- 74.23 0 3 5 5 0 +53.88 +/- 160.03
173556 ncm-dbt-06 1454854 22 10 1 11 +150.9 +/- 48.18 0 0 2 9 0 +399.83 +/- 482.22
173555 ncm-dbt-02 1455146 50 19 8 23 +77.69 +/- 35.69 0 0 14 11 0 +164.04 +/- 86.61
173554 ncm-dbt-03 1456193 50 20 8 22 +85.04 +/- 41.74 0 1 11 13 0 +181.7 +/- 107.11
173553 ncm-dbt-05 1458259 50 25 4 21 +155.5 +/- 38.56 0 0 5 19 1 +381.63 +/- 198.56
173552 ncm-dbt-04 1451162 50 19 4 27 +107.51 +/- 42.62 0 0 11 13 1 +219.84 +/- 104.3
173551 ncm-dbt-01 1444456 50 20 7 23 +92.44 +/- 36.68 0 0 12 13 0 +200.21 +/- 97.77
173550 ncm-dbt-06 1452490 50 18 3 29 +107.52 +/- 52.35 0 2 7 15 1 +219.87 +/- 140.03
173549 ncm-dbt-02 1456929 50 21 7 22 +99.93 +/- 36.88 0 0 11 14 0 +219.84 +/- 104.3
173548 ncm-dbt-03 1450605 50 14 8 28 +41.89 +/- 40.64 0 2 15 8 0 +85.04 +/- 86.62
173547 ncm-dbt-04 1451165 50 18 7 25 +77.69 +/- 45.93 0 1 13 10 1 +147.19 +/- 95.14
173546 ncm-dbt-01 1456330 50 22 6 22 +115.21 +/- 52.56 0 2 6 16 1 +240.82 +/- 153.02
173545 ncm-dbt-06 1450577 50 19 8 23 +77.7 +/- 54.37 0 4 6 15 0 +164.07 +/- 137.85
173544 ncm-dbt-05 1454556 50 18 4 28 +99.94 +/- 42.49 0 1 9 15 0 +219.87 +/- 122.63
173539 ncm-dbt-02 1456805 50 19 4 27 +107.53 +/- 42.62 0 1 8 16 0 +240.82 +/- 132.75
173537 ncm-dbt-04 1449401 50 20 6 24 +99.94 +/- 42.49 0 1 9 15 0 +219.87 +/- 122.63
173536 ncm-dbt-01 1447795 50 20 3 27 +123.0 +/- 36.12 0 0 8 17 0 +288.02 +/- 131.84
173535 ncm-dbt-03 1456923 50 18 3 29 +107.53 +/- 42.62 0 1 8 16 0 +240.82 +/- 132.75
173534 ncm-dbt-06 1452788 50 22 8 20 +99.94 +/- 42.49 0 1 9 15 0 +219.87 +/- 122.63
173533 ncm-dbt-05 1451309 50 19 4 27 +107.53 +/- 42.62 0 1 8 16 0 +240.82 +/- 132.75

Commit

Commit ID 219fa2f0a79381d35d9eb1240781cc598e74f647
Author Michael Chaly
Date 2022-11-19 08:23:26 UTC
Do shallower search in case of lmr being not successful enough In case of a move passing LMR but it results being not too far from the current best search result produce a full depth search with reduced depth. Original idea by lonfom169 . Passed STC: https://tests.stockfishchess.org/tests/view/6373409b54d69a2f33913fbd LLR: 2.94 (-2.94,2.94) <0.00,2.00> Total: 169504 W: 45351 L: 44848 D: 79305 Ptnml(0-2): 598, 18853, 45353, 19344, 604 Passed LTC: https://tests.stockfishchess.org/tests/view/6374c58528e3405283eb8d2d LLR: 2.96 (-2.94,2.94) <0.50,2.50> Total: 51144 W: 13802 L: 13471 D: 23871 Ptnml(0-2): 19, 4928, 15362, 5229, 34 closes https://github.com/official-stockfish/Stockfish/pull/4230 bench 4277005
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