Astra 4.1

Release Notes

History Updates

• Added 6-Ply Continuation History
• Added Capture History
• Added Correction Histories
• Improved overall move history tracking and updating

Search Improvements

• Removed Check Extension
• Improved static evaluation
• Added history pruning
• Improved null move pruning
• Improved singular extension
• Improved late move pruning
• Improved delta pruning in quiescence search

Miscellaneous

• Introduced a new, more flexible move generation
• More efficient move picker