rn3q1r/3p1kpp/7n/p3pb2/1N3P2/4P2P/P1PP1K2/RQ4NR w - - 0 20
FEN state: rn3q1r/3p1kpp/7n/p3pb2/1N3P2/4P2P/P1PP1K2/RQ4NR w - - 0 20 ; Best move: b4d3
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at f8 and black rook at h8. Black pawn at d7, black king at f7, black pawn at g7 and black pawn at h7. Black knight at h6. Black pawn at a5, black pawn at e5 and black bishop at f5. White knight at b4 and white pawn at f4. White pawn at e3 and white pawn at h3. White pawn at a2, white pawn at c2, white pawn at d2 and white king at f2. White rook at a1, white queen at b1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 20. White to move.