r3kb2/p1q2prp/3p1np1/1pn5/2pQP1bP/P1P2PPN/1P2K1R1/RNB2B2 w q - 1 17
FEN state: r3kb2/p1q2prp/3p1np1/1pn5/2pQP1bP/P1P2PPN/1P2K1R1/RNB2B2 w q - 1 17 ; Best move: f3g4
The current state of the chess board is: Black rook at a8, black king at e8 and black bishop at f8. Black pawn at a7, black queen at c7, black pawn at f7, black rook at g7 and black pawn at h7. Black pawn at d6, black knight at f6 and black pawn at g6. Black pawn at b5 and black knight at c5. Black pawn at c4, white queen at d4, white pawn at e4, black bishop at g4 and white pawn at h4. White pawn at a3, white pawn at c3, white pawn at f3, white pawn at g3 and white knight at h3. White pawn at b2, white king at e2 and white rook at g2. White rook at a1, white knight at b1, white bishop at c1 and white bishop at f1. Black queenside is the only castle move available. Half move number is 1. Full move number is 17. White to move.