BlueBot v0.36

• Added aspiration windows with window value of 1/4 pawn
• Speed increased by at least 8-10%, 30% at maximum.

BlueBot v0.34

• Added transposition table
• Merged principal variation move ordering with transposition table
• Added killer heuristic move ordering
• Beat Komodo 17 (2100 elo) and Fairy Stockfish 6 on lichess

BlueBot v0.29

• Added principal variation move ordering
• Added iterative deepening
• Depth 5 search sped up by at least 10% and Depth 6 search sped up by at least 50%
• Best used with pypy3 instead of normal python

BlueBot v0.22

• Added null move pruning
• Decreased time to compute a move by at least 50%

BlueBot v0.20

• Removed depth 3 limit on quiescence search
• Managed to beat Komodo 12 (1600 elo) on chess.com

BlueBot v0.18

• Fixed bug in quiescence search that caused more blunders and instability
• Managed to beat Komodo 11 (1500 elo) on chess.com

BlueBot v0.15

Fixes:

• Increased depth of search function to depth 4
• Faster search speed
• Added move sorting

BlueBot v0.11

First public release of BlueBot

Fixes:

• Rating increased by ~200 elo and doubled its speed compared to v0.9 (rating ~1200)