I'm excited to announce Caissa version 1.21, the latest release packed with improvements to make gameplay even stronger and more stable.
Progression test
TC=60+0.6s, Book=UHO_Lichess_4852_v1.epd
Elo | 35.09 +- 4.16 (95%)
Conf | 60.0+0.60s Threads=1 Hash=128MB
Games | N: 6278 W: 1758 L: 1126 D: 3394
Penta | [2, 446, 1624, 1052, 15]
TC=8+0.08s, Book=UHO_Lichess_4852_v1.epd
Elo | 22.65 +- 3.68 (95%)
Conf | 8.0+0.08s Threads=1 Hash=8MB
Games | N: 10000 W: 2812 L: 2161 D: 5027
Penta | [31, 974, 2402, 1499, 94]
TC=10+0.1s, Book=DFRC.epd
Elo | 18.98 +- 5.35 (95%)
Conf | 10.0+0.10s Threads=1 Hash=16MB
Games | N: 5002 W: 1114 L: 841 D: 3047
Penta | [38, 462, 1258, 675, 68]
Changes
- Fixed problems detected by sanitizers that could lead to potential crashes.
- New neural network trained on a total of 13 billion positions.
- Improved eval correction (Stockfish style).
- Tuned parameters at long time control.
- Various search improvements.
Special thanks to @aronpetko for invaluable access to the OpenBench instance.
Contributors
aronpetko