r1b1kr2/3pB1pp/npqQ4/p1p2p2/P2PP1nP/1PP4R/5P2/RNK2B2 w - - 0 21
FEN state: r1b1kr2/3pB1pp/npqQ4/p1p2p2/P2PP1nP/1PP4R/5P2/RNK2B2 w - - 0 21 ; Best move: e7f8
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8 and black rook at f8. Black pawn at d7, white bishop at e7, black pawn at g7 and black pawn at h7. Black knight at a6, black pawn at b6, black queen at c6 and white queen at d6. Black pawn at a5, black pawn at c5 and black pawn at f5. White pawn at a4, white pawn at d4, white pawn at e4, black knight at g4 and white pawn at h4. White pawn at b3, white pawn at c3 and white rook at h3. White pawn at f2. White rook at a1, white knight at b1, white king at c1 and white bishop at f1. Both players have exhausted their castles. Half move number is 0. Full move number is 21. White to move.