Igel - UCI chess engine, Rating Chess Engines Diary CEDR=3617
Author : Volodymyr Shcherbyna (Fork of GreKo 2018.01)
v.3.6.0:
v.3.6.0:
What's new:
extend by 2 in singular extension on non pv move
improve low bound condition in singular extension
check beta score in probcut condition
store in TT in standing pat in qsearch
implement iid
tune null move depth
tune razor depth
remove instant moves handling
Regression run against Igel 3.5.0:
Long Time Control With Increment (60s+0.6s)
Elo | 21.28 +- 3.60 (95%)
Conf | 60.0+0.60s Threads=1 Hash=64MB
Games | N: 8860 W: 2461 L: 1919 D: 4480
Penta | [7, 798, 2299, 1298, 28]
Short Time Control With Increment (10s+0.1s)
Elo | 20.07 +- 3.21 (95%)
Conf | 10.0+0.10s Threads=1 Hash=8MB
Games | N: 13918 W: 3953 L: 3150 D: 6815
Penta | [76, 1392, 3306, 2023, 162]
Igel 3.5.0 vs other engines
| Viridithas 12.0.0 | 18/31 | +5 | 31 Games |
| Seer 2.8.0 | 13.5/28 | -1 | 28 Games |
| RubiChess 20240112 | 12/28 | -4 | 28 Games |
| Berserk 13 | 7/24 | -10 | 24 Games |
| Fire 9.3 | 13/23 | +3 | 23 Games |
| Chess-System-Tal-2 | 10/20 | +0 | 20 Games |
| Caissa 1.18 | 8.5/20 | -3 | 20 Games |
| Stormphrax 4.1.0 | 8.5/18 | -1 | 18 Games |
| Obsidian 12.29 | 8.5/18 | -1 | 18 Games |
| Starzix 5.0 | 8/18 | -2 | 18 Games |
| Uralochka 3.41a JA | 7/18 | -4 | 18 Games |
| Alexandria 7.0.0 | 6.5/18 | -5 | 18 Games |
| Ethereal 14.25 | 6.5/16 | -3 | 16 Games |
| Black Marlin 9.0 | 7.5/15 | +0 | 15 Games |
| Rebel 16.3 | 7/15 | -1 | 15 Games |
| Titan 1.0.0 | 7/14 | +0 | 14 Games |
| Alexander 1.3 | 7/14 | +0 | 14 Games |
| Peacekeeper 3.00 | 7/14 | +0 | 14 Games |
| Koivisto 9.2 | 6.5/14 | -1 | 14 Games |
| PlentyChess 1.0.0 | 6/14 | -2 | 14 Games |
| RofChade 3.1 | 6/14 | -2 | 14 Games |
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