incucuna/ethereal

Ethereal, a UCI Chess Engine by Andrew Grant

Ethereal

Ethereal is a UCI-compliant chess engine. It uses the traditional alpha-beta framework in addition to a variety of pruning, reduction, extension, and other improvements. Some of those improvements include Static Null Move Pruning, Null Move Pruning, Depth Based Futility Pruning, Best-Case Delta Pruning, Current-Move Delta Pruning, Late Move Reductions, Check extensions, and the use of various Transposition Tables. Ethereal generates moves using the Fancy Magic BitBoard technique, but also uses a redundant 64-length array to store pieces for easier lookup. Ethereal is an original engine, however, it is greatly influenced from Crafty, Stockfish, TSCP, MadChess, and Fruit.

Development

Old Versions Of Ethereal

Progression on CCRL 40/4

Progression on CCRL 40/40

Special Thanks

I would like to thank my previous instructor, Zachary Littrell, for all of his help in my endeavors. He served as my Computer Science instructor for a full year. His encouragement, mentoring, and assistance played a vital role in the development of my Computer Science skills. In addition to being a wonderful instructor, he is also a excellent friend. He provided the guidance I needed at such a crucial time in my life, allowing me to pursue Computer Science in a way I never imagined I could.