2r2knr/1pp3b1/np3pp1/P2p2Pp/3PPpb1/2P4P/2QR4/RNB1KBq1 w Q - 0 21
FEN state: 2r2knr/1pp3b1/np3pp1/P2p2Pp/3PPpb1/2P4P/2QR4/RNB1KBq1 w Q - 0 21 ; Best move: d2g2
The current state of the chess board is: Black rook at c8, black king at f8, black knight at g8 and black rook at h8. Black pawn at b7, black pawn at c7 and black bishop at g7. Black knight at a6, black pawn at b6, black pawn at f6 and black pawn at g6. White pawn at a5, black pawn at d5, white pawn at g5 and black pawn at h5. White pawn at d4, white pawn at e4, black pawn at f4 and black bishop at g4. White pawn at c3 and white pawn at h3. White queen at c2 and white rook at d2. White rook at a1, white knight at b1, white bishop at c1, white king at e1, white bishop at f1 and black queen at g1. White queenside is the only castle move available. Half move number is 0. Full move number is 21. White to move.