Chess engine: 4ku 5.1
- 4ku-mini uses source code that is stripped, minified, compressed, and then appended to the launch script. When run, the launch script compiles the source code to a temporary executable and then runs it.
- 4ku is a normal compile of the same source code. It is not stripped so retains support for UCI `setoption`, info strings, and perhaps other quality of life improvements.
4ku and 4ku-mini should be identical in terms of their play, but 4ku's info strings mean it is probably slightly slower and slightly weaker.
- 4ku is a normal compile of the same source code. It is not stripped so retains support for UCI `setoption`, info strings, and perhaps other quality of life improvements.
4ku and 4ku-mini should be identical in terms of their play, but 4ku's info strings mean it is probably slightly slower and slightly weaker.
Rating Chess Engines Diary CEDR=3086 Author:kz04px
v.5.1:
4ku 5.1 is essentially the same as 5.0 but contains a bug fix. Use this instead of 5.0.
4ku 4.0 - results:
| Opponent | Score | +- | Games |
| Ice4 v4 | 11/14 | +8 | 14 Games |
| Cheng 4.42 | 6.5/14 | -1 | 14 Games |
| Dumb 2.0 | 10.5/12 | +9 | 12 Games |
| Anduril | 4/11 | -3 | 11 Games |
| Protej 20231226b | 2/9 | -5 | 9 Games |
| Bagatur 3.7e | 4.5/8 | +1 | 8 Games |
| Jet 1.1 | 3/7 | -1 | 7 Games |
| Sloth 1.5 | 6/6 | +6 | 6 Games |
| ChessBrainVB 4.01 | 3.5/6 | +1 | 6 Games |
| Reckless 0.4.0 | 3/6 | +0 | 6 Games |
| GOOB 1.8.9 | 3/6 | +0 | 6 Games |
| MIDA 2.3 | 2/6 | -2 | 6 Games |
| Sting Black Hole 7 | 1/6 | -4 | 6 Games |
| Peacekeeper 2.20 | 1/6 | -4 | 6 Games |
| LTChess 9.3 | 0.5/6 | -5 | 6 Games |
| Topple 0.8.1 | 3.5/5 | +2 | 5 Games |
| Wahoo 4.0.0 | 2/5 | -1 | 5 Games |
| Thrawn 1.0 | 4/4 | +4 | 4 Games |
| Jackychess 23.12 | 4/4 | +4 | 4 Games |
| Thrawn 1.1 | 4/4 | +4 | 4 Games |
| Thrawn 0.6 | 4/4 | +4 | 4 Games |
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