Chess engine: 4ku 4.0
- 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. Despite this, 4ku's ease of use and cross-platform compatibility means it should probably be favoured for use in any circumstance other than being limited to 4,096 bytes.
- 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. Despite this, 4ku's ease of use and cross-platform compatibility means it should probably be favoured for use in any circumstance other than being limited to 4,096 bytes.
Rating CEDR=2951 Author:kz04px
v.4.0:
10+0.1s:
Score of 4ku 4.0 vs 4ku 3.1: 1023 - 236 - 741 [0.697] 2000
Elo difference: 144.5 +/- 12.4, LOS: 100.0 %, DrawRatio: 37.0 %
100+1s:
Score of 4ku 4.0 vs 4ku 3.1: 275 - 46 - 179 [0.729] 500
Elo difference: 171.9 +/- 25.4, LOS: 100.0 %, DrawRatio: 35.8 %
4ku - rating CEDR progres
| Pl | Engine | Rating | Score | Games | % |
| 1175 | 4ku 3.1 | 2951.1 | 106.50 | 253 | 42.09 |
| 1208 | 4ku 3.0 | 2903.0 | 60.50 | 229 | 26.42 |
| 1280 | 4ku 2.0 | 2793.3 | 58.00 | 142 | 40.85 |
| 1346 | 4ku | 2707.4 | 0.00 | 46 | 0.00 |
| 1384 | 4ku 1.1 | 2637.0 | 27.00 | 85 | 31.76 |
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