Counter 5.5

• fix bug in training neural network
• switch network architecture to 768x512x1
• train new network

Counter 5.0

NNUE eval

Counter 4.1

search func updates: probcut, IID, limit extensions and other.

Counter 4.0

changes:

• eval: King Safety
• eval: passed pawns
• search: PVS framework
• search: TT update policy
• search: simplify aspiration window
• search: NMP formula

Counter 3.9

• failsoft alphabeta
• history tables for move ordering

Counter 3.8

• (fix) position repetition processing. good sample: r1bqkbnr/pppp1ppp/2n5/1B2p3/4P3/5N2/PPPP1PPP/RNBQK2R b KQkq - 3 1 moves g8f6 e1g1 f6e4 f1e1 e4d6 f3e5 c6e5 e1e5 f8e7 b1c3 e8g8 b5f1 e7f6 e5e1 c7c6 d2d4 d6f5 d4d5 d7d6 d5c6 b7c6 c3e4 f6d4 c2c3 d4b6 f1d3 d6d5 e4g3 f5g3 h2g3 d8f6 d1c2 h7h6 c1f4 c8g4 f4e5 f6g5 a2a4 f8e8 e5d4 e8e7 a4a5 b6d4 c3d4 a8c8 d3h7 g8h8 h7d3 h8g8
• pesto eval support
• full PSQT in eval
• search improvement

Counter 3.7

v1.37.0

Counter 3.7 release

Counter 3.6

Update release due to problems with antivirus in windows binary file

ver2.1.0

search func setting

Counter 3.5

v3.5

time manager: spend more time