squared-chess, (Squared-chess, ^2-chess)
an UCI compatible open source chess engine by Jost Triller, written in C++, first released in September 2018 under the MIT license . Like its successors Googleplex Starthinker and Nalwald, squared-chess is a bitboard engine and generates sliding piece attacks Kindergarten like, by looking up four pre-calculated line attack arrays, 32-Kbyte each, indexed by square and inner six bit line occupancy .
- Iterative Deepening
- Alpha-Beta Negamax
- Transposition Table
- Move Ordering