Dev Builds » 20220122-0948

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 10:02:53 1290137 3336 1195 491 1650 +74.44 +/- 5.89 2 145 694 801 26 +150.38 +/- 12.93
ncm-dbt-02 10:01:01 1315982 3308 1206 493 1609 +76.08 +/- 5.86 1 124 728 763 38 +150.81 +/- 12.61
ncm-dbt-03 10:06:45 1317161 3358 1200 523 1635 +71.02 +/- 5.8 2 139 747 762 29 +141.9 +/- 12.45
ncm-dbt-04 10:07:14 1306686 3334 1200 519 1615 +71.98 +/- 5.9 4 136 736 757 34 +143.29 +/- 12.55
ncm-dbt-05 10:02:31 1308699 3312 1199 510 1603 +73.35 +/- 5.88 4 132 720 771 29 +147.59 +/- 12.69
ncm-dbt-06 10:06:47 1308740 3352 1187 497 1668 +72.56 +/- 5.74 1 139 726 789 21 +147.09 +/- 12.64
20000 7187 3033 9780 +73.23 +/- 2.39 14 815 4351 4643 177 +146.82 +/- 5.16

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
185810 ncm-dbt-05 1241061 142 53 16 73 +92.66 +/- 28.12 0 4 28 37 2 +187.6 +/- 65.62
185809 ncm-dbt-02 1232890 150 51 19 80 +75.27 +/- 25.38 0 5 33 37 0 +158.37 +/- 60.01
185808 ncm-dbt-04 1230473 166 60 22 84 +80.96 +/- 23.99 0 2 44 34 3 +156.26 +/- 49.64
185807 ncm-dbt-01 1205530 170 47 25 98 +45.21 +/- 25.92 0 12 39 34 0 +92.02 +/- 55.06
185806 ncm-dbt-06 1211636 182 61 21 100 +77.62 +/- 23.11 0 6 39 46 0 +163.88 +/- 55.14
185805 ncm-dbt-03 1242296 190 66 35 89 +57.2 +/- 24.15 1 8 45 41 0 +121.79 +/- 51.13
185804 ncm-dbt-05 1221214 500 175 74 251 +71.16 +/- 14.78 0 21 110 116 3 +143.89 +/- 32.58
185803 ncm-dbt-02 1245762 500 197 87 216 +77.7 +/- 14.44 0 13 121 109 7 +152.18 +/- 30.64
185802 ncm-dbt-01 1214223 500 192 76 232 +82.1 +/- 15.12 1 17 101 127 4 +169.27 +/- 34.05
185801 ncm-dbt-04 1224746 500 176 81 243 +66.82 +/- 15.29 0 23 115 106 6 +129.35 +/- 31.83
185800 ncm-dbt-03 1229966 500 171 65 264 +74.79 +/- 13.62 0 12 123 112 3 +152.18 +/- 30.28
185799 ncm-dbt-06 1220897 500 169 73 258 +67.54 +/- 14.65 0 23 109 117 1 +138.99 +/- 32.74
185798 ncm-dbt-05 1215173 500 192 73 235 +84.31 +/- 15.98 1 19 98 124 8 +167.53 +/- 34.57
185797 ncm-dbt-02 1236952 500 183 70 247 +79.9 +/- 15.06 0 17 110 116 7 +157.24 +/- 32.52
185796 ncm-dbt-01 1203971 500 174 68 258 +74.79 +/- 15.7 1 21 105 117 6 +148.85 +/- 33.38
185795 ncm-dbt-04 1236828 500 184 77 239 +75.52 +/- 14.93 1 18 107 121 3 +155.54 +/- 33.04
185794 ncm-dbt-03 1256056 500 174 74 252 +70.43 +/- 14.48 0 20 112 116 2 +143.89 +/- 32.25
185793 ncm-dbt-06 1241375 500 181 67 252 +80.63 +/- 15.08 0 21 97 129 3 +165.8 +/- 34.73
185792 ncm-dbt-05 1230886 500 182 82 236 +70.44 +/- 14.75 1 19 111 117 2 +145.54 +/- 32.41
185791 ncm-dbt-01 1207890 500 186 66 248 +85.04 +/- 13.75 0 12 108 128 2 +178.11 +/- 32.72
185790 ncm-dbt-04 1207214 500 186 74 240 +79.17 +/- 15.17 1 17 106 121 5 +160.64 +/- 33.2
185789 ncm-dbt-02 1230432 500 182 77 241 +74.06 +/- 15.55 0 24 102 119 5 +147.19 +/- 33.86
185788 ncm-dbt-03 1213970 500 177 86 237 +63.94 +/- 14.64 0 23 115 110 2 +129.35 +/- 31.83
185787 ncm-dbt-06 1232234 500 176 73 251 +72.61 +/- 14.41 0 17 117 112 4 +145.54 +/- 31.41
185786 ncm-dbt-05 1220949 500 181 86 233 +66.82 +/- 15.42 0 23 116 104 7 +127.76 +/- 31.68
185785 ncm-dbt-01 1204587 500 180 69 251 +78.43 +/- 15.42 0 21 103 120 6 +155.54 +/- 33.71
185784 ncm-dbt-04 1200626 500 186 84 230 +71.88 +/- 15.73 0 26 101 118 5 +142.26 +/- 34.0
185783 ncm-dbt-03 1235150 500 183 73 244 +77.7 +/- 14.72 0 17 111 117 5 +155.54 +/- 32.36
185782 ncm-dbt-02 1214830 500 178 67 255 +78.43 +/- 15.02 0 17 112 114 7 +153.86 +/- 32.2
185781 ncm-dbt-06 1212926 500 181 78 241 +72.61 +/- 15.76 0 24 106 113 7 +140.62 +/- 33.22
185780 ncm-dbt-01 1197374 500 177 77 246 +70.43 +/- 15.55 0 25 105 115 5 +138.99 +/- 33.37
185779 ncm-dbt-05 1210862 500 182 84 234 +68.99 +/- 16.01 2 22 108 112 6 +137.37 +/- 32.9
185778 ncm-dbt-04 1238502 500 163 72 265 +63.95 +/- 14.91 1 21 117 108 3 +129.35 +/- 31.52
185777 ncm-dbt-03 1242215 500 185 79 236 +74.79 +/- 15.31 0 22 105 118 5 +148.85 +/- 33.38
185776 ncm-dbt-06 1237024 500 186 67 247 +84.3 +/- 14.76 0 18 98 131 3 +174.55 +/- 34.58
185775 ncm-dbt-02 1231298 500 184 73 243 +78.43 +/- 15.15 0 20 104 121 5 +157.24 +/- 33.54
185774 ncm-dbt-01 1162141 500 179 89 232 +63.23 +/- 15.4 0 29 104 115 2 +127.76 +/- 33.49
185773 ncm-dbt-02 1253250 500 168 81 251 +61.08 +/- 14.79 1 20 124 101 4 +121.46 +/- 30.47
185772 ncm-dbt-05 1227999 500 177 64 259 +79.9 +/- 13.92 0 15 108 126 1 +167.53 +/- 32.81
185771 ncm-dbt-03 1241259 500 179 80 241 +69.71 +/- 16.65 0 30 100 111 9 +130.94 +/- 34.09
185770 ncm-dbt-04 1229321 500 177 83 240 +66.1 +/- 15.52 1 23 112 109 5 +130.94 +/- 32.29
185769 ncm-dbt-06 1229650 500 171 92 237 +55.36 +/- 14.39 1 22 125 101 1 +113.68 +/- 30.37
173295 ncm-dbt-02 1457664 8 3 1 4 +88.67 +/- 172.94 0 1 0 3 0 +190.79 +/- 663.13
173294 ncm-dbt-01 1441805 16 4 0 12 +88.68 +/- 65.24 0 0 4 4 0 +190.76 +/- 189.19
173293 ncm-dbt-04 1448225 18 9 2 7 +142.54 +/- 56.5 0 0 2 7 0 +361.06 +/- 503.16
173292 ncm-dbt-03 1454715 18 8 6 4 +38.76 +/- 73.41 0 1 5 3 0 +78.52 +/- 162.75
173291 ncm-dbt-05 1457516 20 8 4 8 +70.4 +/- 55.57 0 0 6 4 0 +147.13 +/- 135.14
173290 ncm-dbt-06 1454556 20 8 4 8 +70.37 +/- 75.76 0 0 7 2 1 +107.49 +/- 113.39
173288 ncm-dbt-02 1460790 50 21 7 22 +99.93 +/- 56.22 0 2 9 12 2 +181.7 +/- 121.14
173287 ncm-dbt-01 1448374 50 16 9 25 +48.96 +/- 50.55 0 4 10 11 0 +99.95 +/- 111.26
173286 ncm-dbt-04 1451455 50 20 9 21 +77.69 +/- 61.73 0 4 8 11 2 +130.94 +/- 122.89
173285 ncm-dbt-05 1456778 50 15 8 27 +48.96 +/- 46.46 0 3 12 10 0 +99.95 +/- 101.68
173284 ncm-dbt-06 1453963 50 17 8 25 +63.22 +/- 44.25 0 2 12 11 0 +130.94 +/- 101.68
173283 ncm-dbt-03 1457518 50 17 9 24 +56.05 +/- 55.43 0 4 10 10 1 +99.95 +/- 111.26
173277 ncm-dbt-02 1457816 50 19 3 28 +115.22 +/- 47.81 0 2 5 18 0 +263.42 +/- 170.28
173276 ncm-dbt-05 1456033 50 13 7 30 +41.89 +/- 49.33 0 4 11 10 0 +85.04 +/- 106.19
173275 ncm-dbt-04 1454258 50 19 5 26 +99.93 +/- 47.48 0 1 10 13 1 +200.24 +/- 114.26
173274 ncm-dbt-01 1453547 50 18 6 26 +85.04 +/- 46.59 0 2 9 14 0 +181.7 +/- 121.14
173273 ncm-dbt-03 1458110 50 20 8 22 +85.04 +/- 58.89 1 1 9 13 1 +181.7 +/- 121.14
173272 ncm-dbt-06 1452634 50 21 9 20 +85.02 +/- 51.0 0 2 10 12 1 +164.07 +/- 113.84
173271 ncm-dbt-02 1454127 50 20 8 22 +85.02 +/- 55.08 0 3 8 13 1 +164.07 +/- 126.09
173270 ncm-dbt-05 1457220 50 21 12 17 +63.22 +/- 44.25 0 2 12 11 0 +130.94 +/- 101.68
173269 ncm-dbt-04 1451901 50 20 10 20 +70.42 +/- 45.16 0 1 14 9 1 +130.94 +/- 89.9
173268 ncm-dbt-01 1452073 50 22 6 22 +115.21 +/- 52.56 0 2 6 16 1 +240.82 +/- 153.02
173267 ncm-dbt-06 1449252 50 16 5 29 +77.7 +/- 54.37 0 4 6 15 0 +164.07 +/- 137.85
173266 ncm-dbt-03 1457518 50 20 8 22 +85.02 +/- 46.58 0 1 12 11 1 +164.07 +/- 100.82

Commit

Commit ID 9083050be692b2d9a4f281e78b967755e00cfc39
Author J. Oster
Date 2022-01-22 09:48:24 UTC
Simplify limiting extensions. Replace the current method for limiting extensions to avoid search getting stuck with a much simpler method. the test position in https://github.com/official-stockfish/Stockfish/commit/73018a03375b4b72ee482eb5a4a2152d7e4f0aac can still be searched without stuck search. fixes #3815 where the search now makes progress with rootDepth shows robust behavior in a d10 search for 1M positions. passed STC https://tests.stockfishchess.org/tests/view/61e303e3babab931824dfb18 LLR: 2.94 (-2.94,2.94) <-2.25,0.25> Total: 57568 W: 15449 L: 15327 D: 26792 Ptnml(0-2): 243, 6211, 15779, 6283, 268 passed LTC https://tests.stockfishchess.org/tests/view/61e3586cbabab931824e091c LLR: 2.96 (-2.94,2.94) <-2.25,0.25> Total: 128200 W: 34632 L: 34613 D: 58955 Ptnml(0-2): 124, 12559, 38710, 12588, 119 closes https://github.com/official-stockfish/Stockfish/pull/3899 Bench: 4550528
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