1nb1kB1r/3p1ppp/2r5/P6P/p1RN1q2/2P1pPP1/3PPnB1/Q3K2R b k - 0 23
FEN state: 1nb1kB1r/3p1ppp/2r5/P6P/p1RN1q2/2P1pPP1/3PPnB1/Q3K2R b k - 0 23 ; Best move: f4g3
The current state of the chess board is: Black knight at b8, black bishop at c8, black king at e8, white bishop at f8 and black rook at h8. Black pawn at d7, black pawn at f7, black pawn at g7 and black pawn at h7. Black rook at c6. White pawn at a5 and white pawn at h5. Black pawn at a4, white rook at c4, white knight at d4 and black queen at f4. White pawn at c3, black pawn at e3, white pawn at f3 and white pawn at g3. White pawn at d2, white pawn at e2, black knight at f2 and white bishop at g2. White queen at a1, white king at e1 and white rook at h1. Black kingside is the only castle move available. Half move number is 0. Full move number is 23. Black to move.