Debugging hashing : r/chessprogramming
Iterative Deepening - Chessprogramming wiki
Proof-Number Search - Chessprogramming wiki
Wing - Chessprogramming wiki
Chess Board: Performance of Alpha–Beta Pruning in Reducing Node Count of Minimax Tree
Depth - Chessprogramming wiki
What actually is meant by the Depth of a Chess Engine's analysis? : r/chess
CMU 15-418 (Spring 2012) Final Project Report
How do chess engines think?