rn3bnr/p3p1p1/2kp2bp/2p2pB1/2p1P1QP/P2P2P1/1P3P1R/RN2K1NB w Q - 0 16
FEN state: rn3bnr/p3p1p1/2kp2bp/2p2pB1/2p1P1QP/P2P2P1/1P3P1R/RN2K1NB w Q - 0 16 ; Best move: e4f5
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at e7 and black pawn at g7. Black king at c6, black pawn at d6, black bishop at g6 and black pawn at h6. Black pawn at c5, black pawn at f5 and white bishop at g5. Black pawn at c4, white pawn at e4, white queen at g4 and white pawn at h4. White pawn at a3, white pawn at d3 and white pawn at g3. White pawn at b2, white pawn at f2 and white rook at h2. White rook at a1, white knight at b1, white king at e1, white knight at g1 and white bishop at h1. White queenside is the only castle move available. Half move number is 0. Full move number is 16. White to move.