Roxie-v0.6.3

Roxie v0.6.3

This release focuses on search optimizations, move generation improvements, and engine usability.

Added

• Added Continuation History for improved quiet move ordering.
• Added is_legal_mv() helper to avoid unnecessary make/unmake operations.
• Added UCI setoption support for Hash and Clear Hash.

Improved

• Optimized move ordering and adjusted quiet move scoring.
• Reworked is_square_attacked() to use magic bitboards.
• Improved UCI option parsing (case-insensitive) and TT information reporting.

Fixed

• Fixed an issue in gives_check().
• Fixed incorrect prev_move updates in quiescence search.