rk3bnr/pb1n4/6pp/1ppppq2/1NP2B2/Q6P/PP2PPPN/1R2KB1R b - - 1 23
FEN state: rk3bnr/pb1n4/6pp/1ppppq2/1NP2B2/Q6P/PP2PPPN/1R2KB1R b - - 1 23 ; Best move: f5b1
The current state of the chess board is: Black rook at a8, black king at b8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black bishop at b7 and black knight at d7. Black pawn at g6 and black pawn at h6. Black pawn at b5, black pawn at c5, black pawn at d5, black pawn at e5 and black queen at f5. White knight at b4, white pawn at c4 and white bishop at f4. White queen at a3 and white pawn at h3. White pawn at a2, white pawn at b2, white pawn at e2, white pawn at f2, white pawn at g2 and white knight at h2. White rook at b1, white king at e1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 1. Full move number is 23. Black to move.