Dev Builds » 20170219-2227

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 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 09:03:19 1990058 3716 1161 159 2396 +96.06 ± 6.4
ncm-et-4 09:03:38 1989170 3646 1106 158 2382 +92.46 ± 6.39
ncm-et-5 04:54:01 2024508 2000 644 79 1277 +100.89 ± 8.78
ncm-et-6 04:54:36 2009984 1983 591 77 1315 +92.16 ± 8.52
ncm-et-7 04:54:02 2024003 2016 610 90 1316 +91.69 ± 8.61
ncm-et-9 04:09:25 1968293 1684 509 90 1085 +88.3 ± 9.59
ncm-et-10 04:09:42 1965301 1651 502 80 1069 +90.82 ± 9.61
ncm-et-13 04:09:44 1968699 1669 532 61 1076 +100.78 ± 9.51
ncm-et-15 04:09:26 1960875 1635 482 80 1073 +87.21 ± 9.54
20000 6137 874 12989 +93.63 ± 2.74

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
61658 ncm-et-4 2018-12-06 23:34 00:21:10 1981144 145 45 4 96 +100.99 ± 31.32
61657 ncm-et-15 2018-12-06 23:33 00:21:23 1964942 135 44 10 81 +89.43 ± 36.46
61656 ncm-et-10 2018-12-06 23:32 00:22:41 1984553 151 48 11 92 +86.9 ± 34.03
61655 ncm-et-13 2018-12-06 23:29 00:25:39 1973279 169 47 4 118 +90.39 ± 27.34
61654 ncm-et-9 2018-12-06 23:27 00:27:28 1981936 184 46 3 135 +82.72 ± 24.48
61653 ncm-et-3 2018-12-06 23:23 00:31:17 1963383 216 69 11 136 +95.64 ± 27.34
61652 ncm-et-15 2018-12-06 22:17 01:15:27 1957399 500 149 20 331 +91.71 ± 17.01
61651 ncm-et-10 2018-12-06 22:16 01:14:42 1960167 500 158 30 312 +90.97 ± 18.18
61650 ncm-et-4 2018-12-06 22:14 01:19:00 1857606 500 154 24 322 +92.46 ± 17.56
61649 ncm-et-13 2018-12-06 22:13 01:14:41 1979592 500 177 16 307 +116.0 ± 18.07
61648 ncm-et-9 2018-12-06 22:13 01:12:58 1966309 500 158 19 323 +99.2 ± 17.38
61647 ncm-et-3 2018-12-06 22:10 01:12:27 1984338 500 168 27 305 +100.71 ± 18.46
61646 ncm-et-15 2018-12-06 21:00 01:15:54 1963553 500 148 18 334 +92.46 ± 16.81
61645 ncm-et-10 2018-12-06 20:59 01:16:34 1957708 500 149 22 329 +90.22 ± 17.16
61644 ncm-et-9 2018-12-06 20:59 01:13:16 1965846 500 141 34 325 +75.52 ± 17.62
61643 ncm-et-13 2018-12-06 20:58 01:14:03 1983045 500 161 25 314 +96.94 ± 17.97
61642 ncm-et-4 2018-12-06 20:57 01:15:13 1964921 500 154 21 325 +94.7 ± 17.34
61641 ncm-et-3 2018-12-06 20:56 01:13:17 1973345 500 149 22 329 +90.22 ± 17.16
61640 ncm-et-15 2018-12-06 19:42 01:16:42 1957608 500 141 32 327 +76.98 ± 17.48
61639 ncm-et-3 2018-12-06 19:42 01:12:28 1983983 500 150 22 328 +90.97 ± 17.21
61638 ncm-et-4 2018-12-06 19:42 01:14:14 1962318 500 153 24 323 +91.71 ± 17.51
61637 ncm-et-10 2018-12-06 19:42 01:15:45 1958778 500 147 17 336 +92.46 ± 16.68
61636 ncm-et-13 2018-12-06 19:42 01:15:21 1938881 500 147 16 337 +93.2 ± 16.6
61635 ncm-et-9 2018-12-06 19:42 01:15:43 1959083 500 164 34 302 +92.46 ± 18.74
1504 ncm-et-4 2018-02-16 11:54 00:00:59 2026390 1 0 0 1 0.0 ± 30.47
1503 ncm-et-7 2018-02-16 11:53 00:02:19 2022793 16 6 1 9 +112.33 ± 115.24
1502 ncm-et-6 2018-02-16 10:43 01:11:53 1998822 483 147 16 320 +96.65 ± 17.2
1501 ncm-et-4 2018-02-16 10:41 01:12:37 2029344 500 147 26 327 +85.78 ± 17.36
1500 ncm-et-3 2018-02-16 10:40 01:13:38 2026391 500 161 18 321 +102.22 ± 17.45
1499 ncm-et-5 2018-02-16 10:39 01:15:00 2024427 500 163 21 316 +101.46 ± 17.78
1498 ncm-et-7 2018-02-16 10:38 01:13:51 2023772 500 147 25 328 +86.52 ± 17.29
1497 ncm-et-6 2018-02-16 09:27 01:15:05 2026556 500 152 16 332 +96.94 ± 16.85
1496 ncm-et-3 2018-02-16 09:27 01:12:22 2026391 500 158 23 319 +96.19 ± 17.68
1495 ncm-et-4 2018-02-16 09:26 01:13:18 2025246 500 158 20 322 +98.44 ± 17.46
1494 ncm-et-5 2018-02-16 09:24 01:13:57 2025081 500 167 17 316 +107.54 ± 17.66
1493 ncm-et-7 2018-02-16 09:24 01:12:58 2022468 500 164 24 312 +99.95 ± 18.05
1492 ncm-et-6 2018-02-16 08:12 01:13:10 2018812 500 150 24 326 +89.48 ± 17.36
1491 ncm-et-5 2018-02-16 08:11 01:12:24 2024917 500 162 24 314 +98.44 ± 17.95
1490 ncm-et-3 2018-02-16 08:10 01:15:24 1934275 500 151 14 335 +97.69 ± 16.64
1489 ncm-et-4 2018-02-16 08:10 01:14:53 2027047 500 148 21 331 +90.22 ± 17.04
1488 ncm-et-7 2018-02-16 08:10 01:12:47 2024100 500 152 18 330 +95.44 ± 17.01
1487 ncm-et-5 2018-02-16 06:57 01:12:40 2023609 500 152 17 331 +96.19 ± 16.93
1486 ncm-et-6 2018-02-16 06:57 01:14:28 1995746 500 142 21 337 +85.78 ± 16.74
1485 ncm-et-4 2018-02-16 06:57 01:12:14 2028522 500 147 18 335 +91.71 ± 16.76
1484 ncm-et-3 2018-02-16 06:57 01:12:26 2028359 500 155 22 323 +94.7 ± 17.46
1483 ncm-et-7 2018-02-16 06:57 01:12:07 2026885 500 141 22 337 +84.31 ± 16.77

Commit

Commit ID eefbe967c2a1ea1f1e39e5cfff1c38e451a9be2e
Author snicolet
Date 2017-02-19 22:27:03 UTC
Keep pawns on both flanks Positions with pawns on only one flank tend to be more drawish. We add a term to the initiative bonus to help the attacking player keep pawns on both flanks. STC: yellowish run stopped after 257137 games LLR: -0.92 (-2.94,2.94) [0.00,5.00] Total: 257137 W: 46560 L: 45511 D: 165066 LTC: LLR: 2.95 (-2.94,2.94) [0.00,5.00] Total: 15602 W: 2125 L: 1956 D: 11521 Bench : 6976310 Closes #1009
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