SparseGrid is yet another UCI compatible chess engine, mostly the for experimantal purposes.
The project enable the following features:

• Quad-Bitboards
• Magic board
• MTD(f) search
• Polyglot protocol adapter (classical chess only)
• Support up to 32 CPU threads
• UCI and FEN handling
• Handcrafted trainer based on PyTorch:
  • Supervised-like uses pgn database
  • Classic self-play RL with MCTS