Dev Builds » 20220205-0638

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 09:29:24 1193629 3190 1148 512 1530 +70.21 +/- 5.86 1 129 722 719 24 +140.76 +/- 12.65
ncm-dbt-02 09:25:01 1230666 3144 1150 465 1529 +76.93 +/- 6.04 3 113 689 730 37 +153.07 +/- 12.96
ncm-dbt-03 10:37:57 1337825 3504 1243 551 1710 +69.53 +/- 5.69 1 145 805 763 38 +136.51 +/- 11.98
ncm-dbt-04 10:37:15 1326889 3512 1270 557 1685 +71.53 +/- 5.62 1 137 801 782 35 +141.71 +/- 12.01
ncm-dbt-05 10:32:22 1330361 3470 1233 508 1729 +73.68 +/- 5.68 1 139 759 806 30 +147.67 +/- 12.36
ncm-dbt-06 09:29:44 1217769 3180 1161 492 1527 +74.2 +/- 5.92 2 131 671 768 18 +151.64 +/- 13.15
20000 7205 3085 9710 +72.61 +/- 2.37 9 794 4447 4568 182 +145.0 +/- 5.1

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
198741 ncm-dbt-02 1225096 144 49 23 72 +63.42 +/- 27.11 0 6 35 30 1 +125.87 +/- 57.96
198740 ncm-dbt-05 1216428 148 47 18 83 +68.96 +/- 26.97 0 6 34 33 1 +138.34 +/- 59.04
198739 ncm-dbt-03 1244242 160 61 20 79 +91.05 +/- 25.82 0 3 36 38 3 +179.45 +/- 56.84
198738 ncm-dbt-04 1230836 178 65 32 81 +65.16 +/- 25.96 0 8 43 35 3 +121.88 +/- 52.23
198737 ncm-dbt-06 1210908 180 55 29 96 +50.53 +/- 26.4 0 11 45 31 3 +90.8 +/- 51.07
198736 ncm-dbt-01 1211240 190 72 30 88 +78.09 +/- 24.88 0 9 36 49 1 +160.46 +/- 57.42
198735 ncm-dbt-02 1227682 500 189 78 233 +78.44 +/- 15.82 2 17 106 118 7 +157.24 +/- 33.21
198734 ncm-dbt-05 1236637 500 174 86 240 +61.79 +/- 15.08 0 24 119 102 5 +119.89 +/- 31.25
198733 ncm-dbt-03 1221052 500 190 84 226 +74.79 +/- 15.7 0 23 105 115 7 +145.54 +/- 33.38
198732 ncm-dbt-04 1248852 500 186 70 244 +82.1 +/- 14.27 0 15 107 125 3 +169.27 +/- 32.98
198731 ncm-dbt-01 1219331 500 185 92 223 +65.38 +/- 14.42 0 20 120 107 3 +130.94 +/- 31.03
198730 ncm-dbt-06 1200602 500 180 78 242 +71.88 +/- 14.67 0 20 111 116 3 +145.54 +/- 32.41
198729 ncm-dbt-02 1242996 500 194 72 234 +86.52 +/- 14.53 0 13 108 123 6 +174.55 +/- 32.75
198728 ncm-dbt-05 1220034 500 186 75 239 +78.43 +/- 15.42 0 20 106 117 7 +153.86 +/- 33.21
198727 ncm-dbt-03 1233995 500 170 75 255 +66.82 +/- 15.55 1 21 117 104 7 +129.35 +/- 31.52
198726 ncm-dbt-04 1228069 500 178 79 243 +69.71 +/- 15.0 0 20 117 107 6 +135.76 +/- 31.48
198725 ncm-dbt-01 1169828 500 186 72 242 +80.63 +/- 14.23 0 14 112 120 4 +164.07 +/- 32.12
198724 ncm-dbt-06 1223722 500 182 88 230 +66.1 +/- 15.52 1 27 100 121 1 +137.37 +/- 34.12
198723 ncm-dbt-02 1223674 500 191 74 235 +82.83 +/- 15.81 1 16 108 115 10 +160.64 +/- 32.85
198722 ncm-dbt-05 1224294 500 187 77 236 +77.7 +/- 14.0 0 13 118 115 4 +157.24 +/- 31.11
198721 ncm-dbt-03 1239949 500 185 73 242 +79.17 +/- 15.04 0 16 114 112 8 +153.86 +/- 31.85
198720 ncm-dbt-04 1215935 500 181 77 242 +73.33 +/- 15.65 0 25 101 119 5 +145.54 +/- 34.01
198719 ncm-dbt-01 1205852 500 170 72 258 +68.99 +/- 15.24 0 24 108 114 4 +137.37 +/- 32.9
198718 ncm-dbt-06 1201033 500 184 66 250 +83.57 +/- 14.6 0 18 98 132 2 +174.55 +/- 34.58
198717 ncm-dbt-02 1244753 500 175 74 251 +71.16 +/- 14.5 0 18 117 111 4 +142.26 +/- 31.44
198716 ncm-dbt-03 1239853 500 185 86 229 +69.71 +/- 14.17 0 18 117 113 2 +142.26 +/- 31.44
198715 ncm-dbt-05 1216573 500 176 67 257 +76.97 +/- 14.83 0 20 104 123 3 +157.24 +/- 33.54
198714 ncm-dbt-04 1231978 500 174 82 244 +64.66 +/- 14.26 0 18 126 102 4 +127.76 +/- 30.09
198713 ncm-dbt-01 1179245 500 175 75 250 +70.43 +/- 15.55 0 23 111 109 7 +135.76 +/- 32.43
198712 ncm-dbt-06 1232444 500 187 72 241 +81.37 +/- 14.68 1 14 108 123 4 +167.53 +/- 32.81
198711 ncm-dbt-03 1225513 500 167 74 259 +65.38 +/- 14.42 0 21 117 110 2 +132.54 +/- 31.5
198710 ncm-dbt-02 1210484 500 177 72 251 +74.06 +/- 16.06 0 27 97 120 6 +145.54 +/- 34.63
198709 ncm-dbt-05 1242222 500 186 69 245 +82.83 +/- 15.81 1 19 99 124 7 +165.8 +/- 34.39
198708 ncm-dbt-04 1227502 500 178 81 241 +68.27 +/- 14.4 0 18 121 107 4 +135.76 +/- 30.83
198707 ncm-dbt-01 1197449 500 183 80 237 +72.61 +/- 14.69 0 19 113 114 4 +145.54 +/- 32.08
198706 ncm-dbt-06 1253844 500 189 83 228 +74.79 +/- 14.49 0 19 108 121 2 +153.86 +/- 32.88
198705 ncm-dbt-02 1239983 500 175 72 253 +72.61 +/- 14.13 0 16 118 113 3 +147.19 +/- 31.23
198704 ncm-dbt-05 1233432 500 168 64 268 +73.33 +/- 14.01 0 16 116 116 2 +150.51 +/- 31.54
198703 ncm-dbt-03 1251361 500 172 82 246 +63.23 +/- 15.4 0 23 122 97 8 +118.33 +/- 30.8
198702 ncm-dbt-01 1172463 500 177 91 232 +60.36 +/- 14.35 1 20 122 106 1 +124.6 +/- 30.76
198701 ncm-dbt-04 1229162 500 176 73 251 +72.61 +/- 15.1 0 21 110 114 5 +143.89 +/- 32.58
198700 ncm-dbt-06 1201834 500 184 76 240 +76.25 +/- 15.09 0 22 101 124 3 +155.54 +/- 34.04
176257 ncm-dbt-05 1427711 22 6 4 12 +31.67 +/- 88.17 0 3 3 5 0 +63.88 +/- 197.96
176256 ncm-dbt-04 1418829 34 15 8 11 +72.56 +/- 52.2 0 1 8 8 0 +152.08 +/- 127.51
176255 ncm-dbt-03 1442543 44 13 6 25 +55.74 +/- 47.36 0 2 11 9 0 +114.52 +/- 106.18
176254 ncm-dbt-05 1438192 50 17 5 28 +85.04 +/- 51.0 0 3 7 15 0 +181.7 +/- 134.48
176253 ncm-dbt-04 1419640 50 19 7 24 +85.04 +/- 62.5 1 2 7 14 1 +181.7 +/- 134.48
176251 ncm-dbt-03 1436902 50 14 11 25 +20.87 +/- 48.93 0 5 12 8 0 +41.89 +/- 101.14
176247 ncm-dbt-05 1430141 50 18 9 23 +63.22 +/- 39.41 0 1 14 10 0 +130.94 +/- 89.9
176246 ncm-dbt-04 1421759 50 18 10 22 +56.07 +/- 47.61 0 3 11 11 0 +115.23 +/- 106.91
176245 ncm-dbt-03 1437469 50 16 11 23 +34.86 +/- 51.88 0 5 10 10 0 +70.44 +/- 110.15
176244 ncm-dbt-05 1431900 50 15 10 25 +34.86 +/- 51.88 0 5 10 10 0 +70.44 +/- 110.15
176243 ncm-dbt-04 1427143 50 18 9 23 +63.21 +/- 48.62 0 2 13 9 1 +115.23 +/- 96.38
176242 ncm-dbt-03 1437754 50 20 6 24 +99.93 +/- 52.02 0 2 8 14 1 +200.24 +/- 129.69
176240 ncm-dbt-05 1434152 50 20 5 25 +107.52 +/- 52.35 0 2 7 15 1 +219.87 +/- 140.03
176238 ncm-dbt-04 1423884 50 21 10 19 +77.68 +/- 41.12 0 0 15 9 1 +147.17 +/- 81.61
176237 ncm-dbt-03 1439205 50 18 8 24 +70.43 +/- 45.16 0 2 11 12 0 +147.19 +/- 107.43
176236 ncm-dbt-05 1437754 50 17 7 26 +70.43 +/- 45.16 0 2 11 12 0 +147.19 +/- 107.43
176235 ncm-dbt-03 1436019 50 16 9 25 +48.96 +/- 46.46 0 3 12 10 0 +99.95 +/- 101.68
176234 ncm-dbt-04 1425864 50 19 7 24 +85.02 +/- 55.08 0 3 8 13 1 +164.07 +/- 126.09
176233 ncm-dbt-05 1435587 50 16 12 22 +27.85 +/- 50.47 0 5 11 9 0 +56.07 +/- 105.56
176232 ncm-dbt-04 1427005 50 22 12 16 +70.42 +/- 45.16 0 1 14 9 1 +130.94 +/- 89.9
176231 ncm-dbt-03 1443702 50 16 6 28 +70.43 +/- 40.35 0 1 13 11 0 +147.19 +/- 95.14

Commit

Commit ID 95d7369e54f20715345cf5408040f3c7d1ec8415
Author Michael Chaly
Date 2022-02-05 06:38:30 UTC
Introduce movecount pruning for quiet check evasions in qsearch Idea of this patch is that we usually don't consider quiet check evasions as "good" ones and prefer capture based ones instead. So it makes sense to think that if in qsearch 2 quiet check evasions failed to produce anything good 3rd and further ones wouldn't be good either. passed STC https://tests.stockfishchess.org/tests/view/61fc1b1ed508ec6a1c9f397c LLR: 2.94 (-2.94,2.94) <0.00,2.50> Total: 58800 W: 15947 L: 15626 D: 27227 Ptnml(0-2): 273, 6568, 15462, 6759, 338 passed LTC https://tests.stockfishchess.org/tests/view/61fcc56dd508ec6a1c9f5619 LLR: 2.95 (-2.94,2.94) <0.50,3.00> Total: 89544 W: 24208 L: 23810 D: 41526 Ptnml(0-2): 81, 9038, 26134, 9440, 79 closes https://github.com/official-stockfish/Stockfish/pull/3920 bench 4830082
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