Dev Builds » 20231202-1046

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 11:54:06 1136863 4008 1733 340 1935 +126.0 ± 4.88 0 54 555 1343 52 +281.15 ± 14.47
ncm-dbt-02 11:51:49 1237087 3986 1727 310 1949 +129.15 ± 4.77 2 50 507 1397 37 +296.89 ± 15.14
ncm-dbt-03 11:54:47 1237397 4018 1767 314 1937 +131.59 ± 4.68 1 34 535 1389 50 +300.55 ± 14.73
ncm-dbt-05 11:49:34 1226008 3988 1711 321 1956 +126.39 ± 4.69 1 39 561 1355 38 +287.12 ± 14.38
ncm-dbt-06 11:54:46 1230552 4000 1730 317 1953 +128.26 ± 4.78 1 39 559 1348 53 +288.39 ± 14.41
20000 8668 1602 9730 +128.28 ± 2.13 5 216 2717 6832 230 +290.73 ± 6.53

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
210575 ncm-dbt-01 1138034 8 4 1 3 +136.8 ± 89.09 0 0 1 3 0 +337.69 ± 541.44
210574 ncm-dbt-03 1225930 18 6 1 11 +99.06 ± 62.04 0 0 4 5 0 +217.54 ± 198.33
210573 ncm-dbt-05 1225028 488 222 42 224 +134.49 ± 12.65 0 4 59 178 3 +319.28 ± 44.96
210572 ncm-dbt-02 1249173 486 208 27 251 +135.93 ± 13.64 0 7 53 178 5 +318.46 ± 47.35
210571 ncm-dbt-06 1220381 500 219 45 236 +126.17 ± 14.12 0 8 67 168 7 +280.42 ± 42.05
210570 ncm-dbt-01 1142661 500 223 51 226 +124.6 ± 14.64 0 9 69 163 9 +270.57 ± 41.4
210569 ncm-dbt-03 1222017 500 226 45 229 +131.74 ± 12.93 0 3 69 172 6 +301.33 ± 41.33
210568 ncm-dbt-05 1229792 500 218 39 243 +130.14 ± 13.16 0 4 69 171 6 +295.94 ± 41.39
210567 ncm-dbt-02 1234728 500 217 41 242 +127.76 ± 13.21 0 6 66 174 4 +293.29 ± 42.41
210566 ncm-dbt-06 1233490 500 213 40 247 +125.38 ± 13.61 0 7 68 170 5 +282.94 ± 41.76
210565 ncm-dbt-01 1140389 500 213 39 248 +126.17 ± 14.46 0 9 66 167 8 +277.93 ± 42.33
210564 ncm-dbt-03 1233232 500 215 34 251 +131.74 ± 12.14 0 1 71 174 4 +306.84 ± 40.47
210563 ncm-dbt-05 1231970 500 206 41 253 +119.11 ± 14.03 0 10 69 167 4 +265.78 ± 41.36
210562 ncm-dbt-02 1245083 500 212 48 240 +118.33 ± 13.0 0 6 76 166 2 +268.17 ± 39.39
210561 ncm-dbt-06 1224368 500 217 35 248 +132.54 ± 12.91 0 5 62 179 4 +309.64 ± 43.82
210560 ncm-dbt-01 1139081 500 218 42 240 +127.76 ± 14.44 0 9 64 169 8 +282.94 ± 42.98
210559 ncm-dbt-03 1246337 500 232 37 231 +143.07 ± 14.1 0 4 60 173 13 +321.19 ± 44.57
210558 ncm-dbt-05 1226638 500 211 36 253 +126.97 ± 12.85 0 3 74 168 5 +288.06 ± 39.79
210557 ncm-dbt-02 1233967 500 214 39 247 +126.97 ± 13.94 1 6 65 173 5 +290.66 ± 42.73
210556 ncm-dbt-06 1245884 500 211 32 257 +130.14 ± 12.59 0 1 75 168 6 +295.94 ± 39.27
210555 ncm-dbt-01 1115667 500 216 50 234 +119.89 ± 13.68 0 8 72 166 4 +268.17 ± 40.54
210554 ncm-dbt-03 1238232 500 218 49 233 +122.24 ± 14.33 1 8 67 169 5 +275.45 ± 42.01
210553 ncm-dbt-05 1205887 500 216 37 247 +130.14 ± 13.34 0 5 67 172 6 +295.94 ± 42.08
210552 ncm-dbt-06 1237584 500 223 43 234 +130.94 ± 14.04 0 4 73 162 11 +285.49 ± 40.16
210551 ncm-dbt-02 1224816 500 221 34 245 +136.56 ± 13.36 1 5 54 186 4 +327.18 ± 47.0
210550 ncm-dbt-01 1124135 500 214 41 245 +125.38 ± 12.89 0 5 70 172 3 +288.06 ± 41.11
210549 ncm-dbt-03 1250932 500 211 34 255 +128.55 ± 12.43 0 4 67 177 2 +301.33 ± 42.04
210548 ncm-dbt-05 1211170 500 223 44 233 +130.14 ± 13.34 0 4 70 169 7 +293.29 ± 41.07
210547 ncm-dbt-03 1259598 500 216 36 248 +130.94 ± 14.56 0 7 67 165 11 +285.49 ± 42.08
210546 ncm-dbt-02 1250519 500 215 40 245 +126.97 ± 13.58 0 6 69 169 6 +285.49 ± 41.44
210545 ncm-dbt-01 1144673 500 210 41 249 +122.24 ± 13.66 0 5 78 160 7 +268.17 ± 38.8
210544 ncm-dbt-06 1241096 500 208 37 255 +123.81 ± 13.46 0 6 72 167 5 +277.93 ± 40.53
210543 ncm-dbt-05 1240117 500 207 40 253 +120.67 ± 13.67 1 6 71 169 3 +275.45 ± 40.84
210542 ncm-dbt-02 1229821 500 222 47 231 +126.97 ± 14.28 0 9 64 170 7 +282.94 ± 42.98
210541 ncm-dbt-03 1232011 500 223 36 241 +136.56 ± 11.97 0 1 65 180 4 +324.17 ± 42.47
210540 ncm-dbt-06 1228293 500 230 36 234 +142.25 ± 12.58 0 1 62 179 8 +333.32 ± 43.57
210539 ncm-dbt-01 1151780 500 215 43 242 +124.6 ± 13.09 0 6 69 172 3 +285.49 ± 41.44
210538 ncm-dbt-05 1237463 500 208 42 250 +119.89 ± 12.79 0 3 82 161 4 +268.17 ± 37.61
210537 ncm-dbt-06 1213321 500 209 49 242 +115.23 ± 14.53 1 7 80 155 7 +249.64 ± 38.38
210536 ncm-dbt-01 1135349 500 220 32 248 +137.37 ± 13.53 0 3 66 171 10 +309.64 ± 42.33
210535 ncm-dbt-03 1228284 500 220 42 238 +129.35 ± 13.36 0 6 65 174 5 +295.94 ± 42.75
210534 ncm-dbt-02 1228590 500 218 34 248 +134.15 ± 12.86 0 5 60 181 4 +315.35 ± 44.57

Commit

Commit ID 08cdbca56fac98513481683a92eb1ecdc00d3f6e
Author lonfom169
Date 2023-12-02 10:46:44 UTC
Tweak return value in futility pruning In futility pruning, return the average between eval and beta. Passed STC: https://tests.stockfishchess.org/tests/view/65680bb6136acbc5735521d7 LLR: 2.93 (-2.94,2.94) <0.00,2.00> Total: 15200 W: 3926 L: 3642 D: 7632 Ptnml(0-2): 36, 1699, 3867, 1941, 57 Passed LTC: https://tests.stockfishchess.org/tests/view/656817fc136acbc573552304 LLR: 2.94 (-2.94,2.94) <0.50,2.50> Total: 200376 W: 49700 L: 49036 D: 101640 Ptnml(0-2): 110, 22584, 54137, 23246, 111 closes https://github.com/official-stockfish/Stockfish/pull/4897 Bench: 1403703
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