1rb1k2r/1pq2nbp/2p2pp1/P3B1NP/P1P2P1R/N3P3/3P1KP1/R4Q2 b k - 0 23
FEN state: 1rb1k2r/1pq2nbp/2p2pp1/P3B1NP/P1P2P1R/N3P3/3P1KP1/R4Q2 b k - 0 23 ; Best move: f7e5
The current state of the chess board is: Black rook at b8, black bishop at c8, black king at e8 and black rook at h8. Black pawn at b7, black queen at c7, black knight at f7, black bishop at g7 and black pawn at h7. Black pawn at c6, black pawn at f6 and black pawn at g6. White pawn at a5, white bishop at e5, white knight at g5 and white pawn at h5. White pawn at a4, white pawn at c4, white pawn at f4 and white rook at h4. White knight at a3 and white pawn at e3. White pawn at d2, white king at f2 and white pawn at g2. White rook at a1 and white queen at f1. Black kingside is the only castle move available. Half move number is 0. Full move number is 23. Black to move.