3q1bnr/r2nk2p/1p2ppp1/p1p2PBP/2Pp2P1/PPQP1P1R/8/RN2KBN1 w Q - 0 21
FEN state: 3q1bnr/r2nk2p/1p2ppp1/p1p2PBP/2Pp2P1/PPQP1P1R/8/RN2KBN1 w Q - 0 21 ; Best move: c3d2
The current state of the chess board is: Black queen at d8, black bishop at f8, black knight at g8 and black rook at h8. Black rook at a7, black knight at d7, black king at e7 and black pawn at h7. Black pawn at b6, black pawn at e6, black pawn at f6 and black pawn at g6. Black pawn at a5, black pawn at c5, white pawn at f5, white bishop at g5 and white pawn at h5. White pawn at c4, black pawn at d4 and white pawn at g4. White pawn at a3, white pawn at b3, white queen at c3, white pawn at d3, white pawn at f3 and white rook at h3. White rook at a1, white knight at b1, white king at e1, white bishop at f1 and white knight at g1. White queenside is the only castle move available. Half move number is 0. Full move number is 21. White to move.