Dev Builds » 20220308-1919

You are viewing an old NCM Stockfish dev build test. You may find the most recent dev build tests using Stockfish 15 as the baseline here.

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 09:34:15 1203763 3174 1170 458 1546 +79.29 +/- 6.01 0 125 658 771 33 +158.87 +/- 13.28
ncm-dbt-02 10:18:48 1315232 3412 1264 495 1653 +79.67 +/- 5.74 4 126 696 857 23 +163.91 +/- 12.91
ncm-dbt-03 10:26:19 1330015 3446 1275 470 1701 +82.69 +/- 5.81 1 130 694 859 39 +166.3 +/- 12.93
ncm-dbt-04 10:25:41 1310540 3404 1317 451 1636 +90.37 +/- 5.67 4 96 663 908 31 +187.6 +/- 13.23
ncm-dbt-05 10:21:02 1312401 3380 1269 438 1673 +87.21 +/- 5.84 0 121 655 876 38 +176.87 +/- 13.31
ncm-dbt-06 09:33:52 1229530 3184 1192 414 1578 +86.65 +/- 5.98 5 98 637 818 34 +177.43 +/- 13.5
20000 7487 2726 9787 +84.32 +/- 2.39 14 696 4003 5089 198 +171.77 +/- 5.38

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
198657 ncm-dbt-05 1236854 142 61 23 58 +95.29 +/- 30.95 0 6 24 38 3 +187.6 +/- 70.76
198656 ncm-dbt-04 1245408 156 60 15 81 +103.14 +/- 24.81 0 3 28 46 1 +221.95 +/- 65.76
198655 ncm-dbt-02 1231716 162 58 26 78 +69.54 +/- 26.8 0 9 31 41 0 +145.15 +/- 61.83
198654 ncm-dbt-01 1193604 174 67 25 82 +85.55 +/- 25.58 0 6 35 44 2 +172.68 +/- 58.43
198653 ncm-dbt-06 1219638 184 71 32 81 +74.77 +/- 23.44 0 5 45 40 2 +148.09 +/- 50.57
198652 ncm-dbt-03 1241128 182 71 24 87 +91.8 +/- 22.98 0 3 40 46 2 +188.31 +/- 53.85
198651 ncm-dbt-05 1211389 500 194 61 245 +94.69 +/- 14.98 0 13 99 130 8 +190.85 +/- 34.36
198650 ncm-dbt-02 1215502 500 190 78 232 +79.17 +/- 15.58 1 18 106 118 7 +157.24 +/- 33.21
198649 ncm-dbt-04 1252935 500 189 53 258 +96.94 +/- 15.01 1 11 96 135 7 +200.24 +/- 34.91
198648 ncm-dbt-01 1205346 500 174 68 258 +74.79 +/- 16.21 0 26 100 116 8 +143.89 +/- 34.16
198647 ncm-dbt-06 1238748 500 190 77 233 +79.9 +/- 16.37 4 15 102 122 7 +164.07 +/- 33.88
198646 ncm-dbt-03 1210428 500 167 73 260 +66.1 +/- 15.13 1 23 109 115 2 +135.76 +/- 32.75
198645 ncm-dbt-05 1227326 500 188 73 239 +81.36 +/- 15.1 0 19 102 124 5 +164.07 +/- 33.88
198644 ncm-dbt-02 1215213 500 188 66 246 +86.52 +/- 14.08 0 14 102 132 2 +181.7 +/- 33.83
198643 ncm-dbt-06 1239323 500 187 59 254 +90.96 +/- 14.17 0 12 102 132 4 +189.0 +/- 33.78
198642 ncm-dbt-04 1215860 500 190 69 241 +85.78 +/- 14.94 0 19 94 134 3 +178.11 +/- 35.3
198641 ncm-dbt-03 1228032 500 191 66 243 +88.74 +/- 14.72 0 17 94 136 3 +185.33 +/- 35.32
198640 ncm-dbt-01 1217299 500 195 69 236 +89.48 +/- 15.16 0 17 96 131 6 +181.7 +/- 34.95
198639 ncm-dbt-05 1217934 500 187 60 253 +90.22 +/- 15.31 0 19 90 136 5 +185.33 +/- 36.06
198638 ncm-dbt-02 1217298 500 175 72 253 +72.61 +/- 14.41 0 19 111 118 2 +148.85 +/- 32.4
198637 ncm-dbt-06 1234997 500 189 55 256 +95.44 +/- 14.25 0 13 93 141 3 +202.15 +/- 35.52
198636 ncm-dbt-04 1211471 500 193 69 238 +88.0 +/- 14.56 0 17 94 137 2 +185.33 +/- 35.32
198635 ncm-dbt-03 1222004 500 189 68 243 +85.78 +/- 15.21 0 16 105 121 8 +169.27 +/- 33.34
198634 ncm-dbt-01 1198081 500 174 78 248 +67.54 +/- 15.18 0 23 113 109 5 +132.54 +/- 32.13
198633 ncm-dbt-05 1230598 500 176 71 253 +74.06 +/- 15.01 0 21 107 118 4 +148.85 +/- 33.05
198632 ncm-dbt-02 1221717 500 188 74 238 +80.63 +/- 14.66 1 14 109 122 4 +165.8 +/- 32.64
198631 ncm-dbt-04 1235911 500 192 81 227 +78.43 +/- 14.46 0 16 111 119 4 +158.93 +/- 32.34
198630 ncm-dbt-06 1222297 500 195 68 237 +90.22 +/- 14.75 0 15 98 132 5 +185.33 +/- 34.57
198629 ncm-dbt-03 1247534 500 188 63 249 +88.74 +/- 15.28 0 15 104 122 9 +174.55 +/- 33.5
198628 ncm-dbt-01 1194502 500 185 76 239 +76.97 +/- 14.83 0 18 110 117 5 +153.86 +/- 32.54
198627 ncm-dbt-02 1244082 500 184 75 241 +76.98 +/- 16.41 2 24 92 127 5 +157.24 +/- 35.5
198626 ncm-dbt-05 1220034 500 187 58 255 +91.71 +/- 15.76 0 19 91 132 8 +183.51 +/- 35.86
198625 ncm-dbt-04 1233742 500 205 62 233 +102.22 +/- 14.78 1 10 90 143 6 +215.85 +/- 36.11
198624 ncm-dbt-03 1237398 500 169 58 273 +78.43 +/- 15.95 0 24 98 121 7 +153.86 +/- 34.52
198623 ncm-dbt-06 1235495 500 175 64 261 +78.44 +/- 15.82 1 18 109 113 9 +152.18 +/- 32.72
198622 ncm-dbt-01 1209082 500 182 78 240 +73.33 +/- 14.72 0 21 106 121 2 +150.51 +/- 33.22
198621 ncm-dbt-02 1215362 500 186 60 254 +89.48 +/- 14.59 0 18 89 142 1 +190.85 +/- 36.27
198620 ncm-dbt-05 1218155 500 185 63 252 +86.52 +/- 14.53 0 16 99 132 3 +179.9 +/- 34.4
198619 ncm-dbt-06 1216218 500 185 59 256 +89.48 +/- 15.3 0 20 88 138 4 +185.33 +/- 36.42
198618 ncm-dbt-04 1210950 500 188 69 243 +84.31 +/- 14.9 1 15 102 128 4 +174.55 +/- 33.86
198617 ncm-dbt-03 1258331 500 189 74 237 +81.36 +/- 15.51 0 22 96 127 5 +164.07 +/- 34.9
198616 ncm-dbt-01 1208430 500 193 64 243 +91.71 +/- 14.63 0 14 98 133 5 +189.0 +/- 34.56
176202 ncm-dbt-03 1437463 14 4 2 8 +49.96 +/- 94.42 0 1 3 3 0 +102.11 +/- 234.06
176201 ncm-dbt-05 1437030 38 16 5 17 +103.52 +/- 50.85 0 1 6 12 0 +229.61 +/- 158.57
176200 ncm-dbt-04 1427570 48 20 5 23 +112.31 +/- 54.18 0 1 9 12 2 +210.72 +/- 122.2
176199 ncm-dbt-02 1445157 50 18 10 22 +56.07 +/- 43.2 0 2 13 10 0 +115.23 +/- 96.38
176198 ncm-dbt-03 1438638 50 19 9 22 +70.43 +/- 49.53 0 3 9 13 0 +147.19 +/- 118.91
176197 ncm-dbt-05 1439091 50 18 4 28 +99.93 +/- 47.48 0 1 10 13 1 +200.24 +/- 114.26
176196 ncm-dbt-04 1424022 50 22 9 19 +92.47 +/- 55.69 1 1 7 16 0 +219.87 +/- 140.03
176195 ncm-dbt-02 1446627 50 20 7 23 +92.45 +/- 47.1 0 2 8 15 0 +200.24 +/- 129.69
176194 ncm-dbt-03 1442532 50 23 4 23 +138.97 +/- 34.19 0 0 6 19 0 +346.06 +/- 166.42
176193 ncm-dbt-05 1438762 50 16 6 28 +70.43 +/- 45.16 0 2 11 12 0 +147.19 +/- 107.43
176192 ncm-dbt-02 1447932 50 18 9 23 +63.22 +/- 39.41 0 1 14 10 0 +130.94 +/- 89.9
176191 ncm-dbt-04 1424599 50 20 7 23 +92.45 +/- 51.57 0 3 6 16 0 +200.24 +/- 144.55
176190 ncm-dbt-03 1432433 50 24 9 17 +107.51 +/- 42.62 0 0 11 13 1 +219.84 +/- 104.3
176189 ncm-dbt-04 1422115 50 19 10 21 +63.21 +/- 33.92 0 0 16 9 0 +130.92 +/- 76.82
176188 ncm-dbt-02 1445154 50 18 9 23 +63.21 +/- 52.66 0 3 11 10 1 +115.23 +/- 106.91
176187 ncm-dbt-05 1436201 50 20 7 23 +92.45 +/- 47.1 0 2 8 15 0 +200.24 +/- 129.69
176186 ncm-dbt-03 1445457 50 23 10 17 +92.44 +/- 55.7 0 2 10 11 2 +164.07 +/- 113.84
176181 ncm-dbt-02 1437032 50 21 9 20 +85.02 +/- 51.0 0 2 10 12 1 +164.07 +/- 113.84
176180 ncm-dbt-03 1448826 50 18 10 22 +56.07 +/- 51.66 0 4 9 12 0 +115.23 +/- 116.78
176179 ncm-dbt-04 1421903 50 19 2 29 +122.99 +/- 47.73 0 0 10 13 2 +240.79 +/- 111.83
176178 ncm-dbt-05 1435449 50 21 7 22 +99.93 +/- 52.02 0 2 8 14 1 +200.24 +/- 129.69

Commit

Commit ID eae0f8dd066b31102b6663a60c36fffccf4e1269
Author Michael Chaly
Date 2022-03-08 19:19:42 UTC
Decrease reductions in Lmr for some Pv nodes This patch makes us reduce less in Lmr at pv nodes in case of static eval being far away from static evaluation of position. Idea is that if it's the case then probably position is pretty complex so we can't be sure about how reliable LMR is so we need to reduce less. Passed STC: https://tests.stockfishchess.org/tests/view/6226276aa9d47c8160e81220 LLR: 2.94 (-2.94,2.94) <0.00,2.50> Total: 262696 W: 69944 L: 69239 D: 123513 Ptnml(0-2): 1399, 29702, 68436, 30417, 1394 Passed LTC: https://tests.stockfishchess.org/tests/view/6226b002a9d47c8160e82b91 LLR: 2.95 (-2.94,2.94) <0.50,3.00> Total: 64008 W: 17320 L: 16982 D: 29706 Ptnml(0-2): 60, 6378, 18811, 6674, 81 closes https://github.com/official-stockfish/Stockfish/pull/3957 bench 6678390
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