Arasan 23.4 is available from https://www.arasanchess.org.
Changes in Arasan 23.4:
1) Ignore CECP "accepted" and "rejected" input from the interface
2) Fixes for occasional stalls especially in UCI mode
3) Null move condition changes. Remove razoring.
4) Optimize tuner memory allocation. Disable NNUE when parameter tuning for HCE.
5) Network update, re-tune with lambda=0.75
6) Code cleanup, including fixes for MSYS2 build
7) Enhancements to AVX512 support
8) GUI fix: make "Can resign" option work correctly
9) Bug fixes for "test" command when run multithreaded
Test results against 23.3, Linux x64, 2:0+1 time control:
1 101 486 200 12
1600 games, score: 53.78%
ELO: 26.33 +-7.8 (95%)
LOS: 100.0%
Changes in Arasan 23.4:
1) Ignore CECP "accepted" and "rejected" input from the interface
2) Fixes for occasional stalls especially in UCI mode
3) Null move condition changes. Remove razoring.
4) Optimize tuner memory allocation. Disable NNUE when parameter tuning for HCE.
5) Network update, re-tune with lambda=0.75
6) Code cleanup, including fixes for MSYS2 build
7) Enhancements to AVX512 support
8) GUI fix: make "Can resign" option work correctly
9) Bug fixes for "test" command when run multithreaded
Test results against 23.3, Linux x64, 2:0+1 time control:
1 101 486 200 12
1600 games, score: 53.78%
ELO: 26.33 +-7.8 (95%)
LOS: 100.0%