Dev Builds » 20140126-0923

Use this dev build

NCM plays each Stockfish dev build 20,000 times against Stockfish 7. This yields an approximate Elo difference and establishes confidence in the strength of the dev builds.

Summary

Host Duration Avg Base NPS Games Wins Losses Draws Elo
ncm-et-3 06:37:31 1986141 2661 171 1057 1433 -120.27 +/- 8.79
ncm-et-4 06:37:44 1965855 2682 174 1124 1384 -128.64 +/- 9.01
ncm-et-5 01:45:34 2022875 718 40 327 351 -147.08 +/- 17.95
ncm-et-6 01:45:20 2025164 722 41 322 359 -142.74 +/- 17.72
ncm-et-7 01:45:36 2010487 723 39 327 357 -146.5 +/- 17.77
ncm-et-8 01:45:23 1972082 701 35 307 359 -142.26 +/- 17.61
ncm-et-9 02:22:43 2005510 952 55 394 503 -129.39 +/- 14.85
ncm-et-10 06:37:24 1979485 2658 129 1134 1395 -138.23 +/- 8.89
ncm-et-11 01:45:10 1998162 700 36 325 339 -152.54 +/- 18.26
ncm-et-12 01:45:24 1967328 704 38 339 327 -158.74 +/- 18.68
ncm-et-13 06:37:53 1989759 2658 184 1132 1342 -129.61 +/- 9.18
ncm-et-14 01:45:24 2019370 723 33 316 374 -143.66 +/- 17.19
ncm-et-15 06:37:05 1983108 2680 165 1122 1393 -129.78 +/- 8.96
ncm-et-16 01:45:38 2019942 718 45 282 391 -119.14 +/- 16.81
20000 1185 8508 10307 -133.4 +/- 3.29

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
96384 ncm-et-15 2019-09-17 10:10 00:37:00 1969555 247 18 93 136 -108.93 +/- 28.61
96383 ncm-et-3 2019-09-17 10:09 00:37:14 1964763 256 12 95 149 -116.86 +/- 26.67
96382 ncm-et-10 2019-09-17 10:09 00:37:16 1956957 251 13 110 128 -141.62 +/- 29.6
96381 ncm-et-9 2019-09-17 10:09 00:37:22 1966190 252 17 106 129 -128.23 +/- 29.64
96380 ncm-et-4 2019-09-17 10:09 00:37:19 1928934 243 17 104 122 -130.16 +/- 30.58
96379 ncm-et-13 2019-09-17 10:09 00:37:36 1982697 252 15 116 121 -147.52 +/- 30.75
95659 ncm-et-10 2019-09-11 01:51 00:27:31 1963703 185 10 83 92 -144.96 +/- 35.11
95658 ncm-et-13 2019-09-11 01:50 00:28:45 1967090 192 11 76 105 -122.45 +/- 32.42
95657 ncm-et-3 2019-09-11 01:50 00:28:55 1969727 192 11 87 94 -145.47 +/- 34.83
95656 ncm-et-15 2019-09-11 01:47 00:31:52 1969889 215 7 100 108 -160.88 +/- 31.98
95655 ncm-et-4 2019-09-11 01:47 00:32:17 1971572 214 12 87 115 -127.15 +/- 31.05
95654 ncm-et-10 2019-09-11 00:36 01:14:30 1970679 500 26 212 262 -135.76 +/- 20.57
95653 ncm-et-3 2019-09-11 00:34 01:14:31 1977785 500 29 205 266 -127.76 +/- 20.42
95652 ncm-et-13 2019-09-11 00:34 01:15:01 1975915 500 28 224 248 -143.89 +/- 21.34
95651 ncm-et-15 2019-09-11 00:32 01:13:38 1970676 500 28 209 263 -131.74 +/- 20.56
95650 ncm-et-4 2019-09-11 00:30 01:15:04 1941416 500 27 213 260 -135.76 +/- 20.69
95649 ncm-et-3 2019-09-10 23:18 01:15:06 1971414 500 37 184 279 -105.25 +/- 19.9
95648 ncm-et-13 2019-09-10 23:18 01:15:00 1976916 500 42 208 250 -119.89 +/- 21.4
95647 ncm-et-10 2019-09-10 23:18 01:16:45 1967380 500 28 197 275 -122.24 +/- 19.95
95646 ncm-et-4 2019-09-10 23:16 01:13:01 1973278 500 40 204 256 -118.33 +/- 21.08
95645 ncm-et-15 2019-09-10 23:16 01:15:06 1966006 500 32 202 266 -123.02 +/- 20.47
95644 ncm-et-13 2019-09-10 22:01 01:15:48 1973737 500 38 211 251 -125.39 +/- 21.31
95643 ncm-et-15 2019-09-10 22:01 01:13:57 1974359 500 27 199 274 -124.6 +/- 19.98
95642 ncm-et-4 2019-09-10 22:01 01:14:20 1971877 500 32 206 262 -126.18 +/- 20.68
95641 ncm-et-10 2019-09-10 22:01 01:15:57 1958934 500 19 216 265 -144.72 +/- 20.26
95640 ncm-et-3 2019-09-10 22:01 01:16:21 1968319 500 38 195 267 -112.91 +/- 20.51
27360 ncm-et-11 2018-05-07 19:02 00:29:36 2014988 200 12 96 92 -155.54 +/- 35.44
27359 ncm-et-8 2018-05-07 19:02 00:29:48 2021651 201 9 88 104 -144.32 +/- 32.68
27358 ncm-et-12 2018-05-07 19:01 00:31:08 1943572 204 14 100 90 -156.21 +/- 35.99
27357 ncm-et-9 2018-05-07 19:01 00:31:02 2028688 200 12 81 107 -124.99 +/- 32.27
27356 ncm-et-13 2018-05-07 19:01 00:31:14 2027374 214 15 90 109 -127.15 +/- 32.31
27355 ncm-et-5 2018-05-07 19:00 00:31:28 2023446 218 11 96 111 -143.04 +/- 31.79
27354 ncm-et-14 2018-05-07 18:59 00:32:21 2018883 223 8 90 125 -134.03 +/- 29.18
27353 ncm-et-16 2018-05-07 18:59 00:32:32 2018070 218 14 85 119 -117.43 +/- 30.54
27352 ncm-et-10 2018-05-07 18:59 00:32:36 2018070 222 7 101 114 -156.99 +/- 30.99
27351 ncm-et-7 2018-05-07 18:59 00:32:40 2022303 223 7 98 118 -150.54 +/- 30.3
27350 ncm-et-3 2018-05-07 18:59 00:32:24 2026063 213 15 86 112 -120.41 +/- 31.75
27349 ncm-et-15 2018-05-07 18:59 00:32:46 2015475 218 10 91 117 -135.58 +/- 30.63
27348 ncm-et-4 2018-05-07 18:59 00:33:12 1972167 225 8 103 114 -156.48 +/- 31.14
27347 ncm-et-6 2018-05-07 18:58 00:33:14 2024101 222 15 91 116 -123.95 +/- 31.19
27346 ncm-et-11 2018-05-07 17:46 01:15:34 1981336 500 24 229 247 -151.35 +/- 21.32
27345 ncm-et-10 2018-05-07 17:46 01:12:49 2020673 500 26 215 259 -138.18 +/- 20.73
27344 ncm-et-12 2018-05-07 17:46 01:14:16 1991085 500 24 239 237 -159.78 +/- 21.87
27343 ncm-et-9 2018-05-07 17:45 01:14:19 2021652 500 26 207 267 -131.74 +/- 20.32
27342 ncm-et-14 2018-05-07 17:45 01:13:03 2019858 500 25 226 249 -148.02 +/- 21.23
27341 ncm-et-8 2018-05-07 17:45 01:15:35 1922513 500 26 219 255 -141.44 +/- 20.93
27340 ncm-et-7 2018-05-07 17:45 01:12:56 1998671 500 32 229 239 -144.72 +/- 21.87
27339 ncm-et-6 2018-05-07 17:45 01:12:06 2026227 500 26 231 243 -151.35 +/- 21.57
27338 ncm-et-16 2018-05-07 17:45 01:13:06 2021814 500 31 197 272 -119.89 +/- 20.16
27337 ncm-et-15 2018-05-07 17:45 01:12:46 2015799 500 43 228 229 -134.95 +/- 22.5
27336 ncm-et-13 2018-05-07 17:45 01:14:29 2024590 500 35 207 258 -124.6 +/- 20.92
27335 ncm-et-4 2018-05-07 17:45 01:12:31 2001745 500 38 207 255 -122.24 +/- 21.11
27334 ncm-et-5 2018-05-07 17:45 01:14:06 2022304 500 29 231 240 -148.85 +/- 21.78
27333 ncm-et-3 2018-05-07 17:45 01:13:00 2024917 500 29 205 266 -127.76 +/- 20.42

Commit

Commit ID 074c7a3c30dce46b65bc7deb15619a6a33ecf4a8
Author Stefan Geschwentner
Date 2014-01-26 09:23:31 UTC
Variable null-move value based reduction Instead of a fixed reduction of ONE_PLY, now Null move dynamic reduction based on value can grow larger in case we are above beta of a value much higher then PawnValueMg. Note that now an eval returning VALUE_KNOWN_WIN makes null search to drop in qsearch. Passed both short TC: LLR: 2.95 (-2.94,2.94) [-1.50,4.50] Total: 26141 W: 4871 L: 4699 D: 16571 And long TC: LLR: 2.97 (-2.94,2.94) [0.00,6.00] Total: 33695 W: 5309 L: 5056 D: 23330 bench: 7356053
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