Dev Builds » 20220113-2125

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 09:57:55 1181750 3334 1200 502 1632 +73.83 ± 5.9 1 141 718 773 34 +146.74 ± 12.71
ncm-dbt-02 09:54:32 1233296 3310 1169 534 1607 +67.49 ± 5.83 3 141 756 728 27 +134.62 ± 12.37
ncm-dbt-03 09:58:52 1273486 3356 1179 511 1666 +70.09 ± 5.84 2 144 747 754 31 +139.32 ± 12.45
ncm-dbt-04 09:59:12 1262156 3340 1198 497 1645 +74.02 ± 6.04 2 157 684 792 35 +147.19 ± 13.02
ncm-dbt-05 09:54:06 1264475 3316 1188 465 1663 +76.99 ± 5.8 2 118 727 777 34 +154.18 ± 12.61
ncm-dbt-06 09:59:02 1267469 3344 1234 484 1626 +79.27 ± 5.9 0 126 716 784 46 +155.99 ± 12.72
20000 7168 2993 9839 +73.61 ± 2.4 10 827 4348 4608 207 +146.28 ± 5.16

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
205449 ncm-dbt-02 1194048 144 54 21 69 +81.06 ± 26.41 0 5 29 38 0 +172.05 ± 64.4
205448 ncm-dbt-05 1220465 150 53 24 73 +68.02 ± 23.99 0 3 41 30 1 +136.3 ± 51.73
205447 ncm-dbt-06 1246281 174 67 40 67 +54.35 ± 26.85 0 10 43 31 3 +98.39 ± 52.28
205446 ncm-dbt-01 1131028 170 63 26 81 +76.84 ± 27.61 0 8 35 39 3 +147.19 ± 58.34
205445 ncm-dbt-04 1246214 170 59 19 92 +83.31 ± 25.91 0 6 35 42 2 +167.12 ± 58.4
205444 ncm-dbt-03 1243422 192 75 29 88 +84.88 ± 24.42 0 6 41 46 3 +167.5 ± 53.73
205443 ncm-dbt-05 1238307 500 179 72 249 +75.52 ± 15.73 1 23 98 124 4 +153.86 ± 34.52
205442 ncm-dbt-02 1195633 500 172 90 238 +57.5 ± 14.63 1 21 126 99 3 +115.23 ± 30.2
205441 ncm-dbt-06 1238533 500 188 75 237 +79.9 ± 15.73 0 21 103 118 8 +155.54 ± 33.71
205440 ncm-dbt-01 1138573 500 178 82 240 +67.55 ± 15.45 1 23 109 113 4 +135.76 ± 32.75
205439 ncm-dbt-04 1252114 500 189 75 236 +80.63 ± 16.52 0 24 99 116 11 +152.18 ± 34.35
205438 ncm-dbt-03 1232262 500 172 72 256 +70.43 ± 15.16 0 23 108 115 4 +140.62 ± 32.9
205437 ncm-dbt-02 1197286 500 173 78 249 +66.82 ± 15.55 2 23 105 118 2 +138.99 ± 33.37
205436 ncm-dbt-05 1234655 500 171 62 267 +76.97 ± 15.11 0 18 112 113 7 +150.51 ± 32.22
205435 ncm-dbt-01 1137746 500 181 80 239 +71.16 ± 16.09 0 27 102 114 7 +137.37 ± 33.82
205434 ncm-dbt-06 1225877 500 188 73 239 +81.36 ± 15.9 0 24 93 127 6 +162.35 ± 35.38
205433 ncm-dbt-04 1206072 500 186 77 237 +76.98 ± 15.51 1 22 97 127 3 +158.93 ± 34.71
205432 ncm-dbt-03 1224618 500 160 74 266 +60.36 ± 15.15 0 27 113 107 3 +119.89 ± 32.15
205431 ncm-dbt-01 1130519 500 170 70 260 +70.43 ± 14.2 0 18 116 114 2 +143.89 ± 31.59
205430 ncm-dbt-02 1190843 500 184 88 228 +67.54 ± 15.18 0 23 113 109 5 +132.54 ± 32.13
205429 ncm-dbt-05 1236182 500 179 81 240 +68.99 ± 15.88 1 25 104 115 5 +137.37 ± 33.52
205428 ncm-dbt-06 1259206 500 169 57 274 +79.17 ± 15.17 0 19 106 119 6 +157.24 ± 33.21
205427 ncm-dbt-04 1216889 500 162 75 263 +61.08 ± 15.44 1 27 108 112 2 +124.6 ± 32.89
205426 ncm-dbt-03 1252941 500 190 83 227 +75.52 ± 15.06 0 19 111 114 6 +148.85 ± 32.4
205425 ncm-dbt-01 1136821 500 186 74 240 +79.17 ± 14.76 0 17 109 119 5 +158.93 ± 32.69
205424 ncm-dbt-05 1241179 500 180 66 254 +80.63 ± 14.38 0 16 107 124 3 +165.8 ± 33.0
205423 ncm-dbt-06 1222031 500 195 74 231 +85.78 ± 15.08 0 14 110 117 9 +167.53 ± 32.45
205422 ncm-dbt-02 1190911 500 160 76 264 +58.93 ± 13.87 0 19 130 99 2 +118.33 ± 29.54
205421 ncm-dbt-04 1223341 500 184 77 239 +75.52 ± 15.6 0 23 103 118 6 +148.85 ± 33.7
205420 ncm-dbt-03 1227260 500 177 74 249 +72.61 ± 15.23 1 21 105 120 3 +148.85 ± 33.38
205419 ncm-dbt-01 1136568 500 182 75 243 +75.52 ± 14.65 0 18 111 117 4 +152.18 ± 32.38
205418 ncm-dbt-05 1226874 500 181 64 255 +82.83 ± 15.0 0 15 111 116 8 +162.35 ± 32.31
205417 ncm-dbt-02 1194059 500 190 77 233 +79.9 ± 15.6 0 22 99 123 6 +158.93 ± 34.38
205416 ncm-dbt-06 1211934 500 173 59 268 +80.63 ± 15.22 0 16 113 112 9 +155.54 ± 32.01
205415 ncm-dbt-03 1263432 500 167 91 242 +53.22 ± 16.08 1 33 109 103 4 +104.49 ± 32.7
205414 ncm-dbt-04 1226364 500 173 78 249 +66.82 ± 15.68 0 28 103 115 4 +132.54 ± 33.65
205413 ncm-dbt-05 1219701 500 177 69 254 +76.25 ± 14.1 0 15 115 117 3 +155.54 ± 31.67
205412 ncm-dbt-02 1190916 500 178 76 246 +71.88 ± 14.1 0 15 122 109 4 +143.89 ± 30.58
205411 ncm-dbt-01 1133191 500 180 69 251 +78.43 ± 15.42 0 21 103 120 6 +155.54 ± 33.71
205410 ncm-dbt-04 1231903 500 184 70 246 +80.63 ± 14.52 0 16 108 122 4 +164.07 ± 32.83
205409 ncm-dbt-03 1227227 500 182 72 246 +77.7 ± 14.29 0 12 123 108 7 +152.18 ± 30.28
205408 ncm-dbt-06 1232275 500 190 83 227 +75.52 ± 14.37 0 16 115 115 4 +152.18 ± 31.7
177565 ncm-dbt-01 1509555 164 60 26 78 +73.08 ± 28.82 0 9 33 37 3 +138.2 ± 60.0
177564 ncm-dbt-05 1498439 166 68 27 71 +87.62 ± 25.05 0 3 39 38 3 +171.83 ± 54.25
177563 ncm-dbt-06 1503616 170 64 23 83 +85.47 ± 25.3 0 6 33 45 1 +177.48 ± 60.26
177562 ncm-dbt-03 1516726 164 56 16 92 +86.48 ± 23.61 0 3 37 41 1 +179.73 ± 56.0
177561 ncm-dbt-02 1512676 166 58 28 80 +63.48 ± 31.59 0 13 32 33 5 +108.0 ± 60.25
177560 ncm-dbt-04 1494352 170 61 26 83 +72.56 ± 29.24 0 11 31 40 3 +137.56 ± 61.36

Commit

Commit ID 7678d63cf2323e51c01e60cdff4ac3d685313790
Author Rui Coelho
Date 2022-01-13 21:25:01 UTC
Use complexity in search This patch uses the complexity measure (from #3875) as a heuristic for null move pruning. Hopefully, there may be room to use it in other pruning techniques. I would like to thank vondele and locutus2 for the feedback and suggestions during testing. Passed STC LLR: 2.95 (-2.94,2.94) <0.00,2.50> Total: 35000 W: 9624 L: 9347 D: 16029 Ptnml(0-2): 156, 3894, 9137, 4143, 170 https://tests.stockfishchess.org/tests/view/61dda784c65bf87d6c45ab80 Passed LTC LLR: 2.94 (-2.94,2.94) <0.50,3.00> Total: 230776 W: 64227 L: 63454 D: 103095 Ptnml(0-2): 1082, 23100, 66380, 23615, 1211 https://tests.stockfishchess.org/tests/view/61ddd0cf3ddbc32543e72c2b Closes https://github.com/official-stockfish/Stockfish/pull/3890 Bench: 4464962
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