rq3kn1/5p2/n2p3r/2p1pPpP/1P1PP3/2PNK2Q/bP5P/1NB2B1R b - - 5 23
FEN state: rq3kn1/5p2/n2p3r/2p1pPpP/1P1PP3/2PNK2Q/bP5P/1NB2B1R b - - 5 23 ; Best move: a2b1
The current state of the chess board is: Black rook at a8, black queen at b8, black king at f8 and black knight at g8. Black pawn at f7. Black knight at a6, black pawn at d6 and black rook at h6. Black pawn at c5, black pawn at e5, white pawn at f5, black pawn at g5 and white pawn at h5. White pawn at b4, white pawn at d4 and white pawn at e4. White pawn at c3, white knight at d3, white king at e3 and white queen at h3. Black bishop at a2, white pawn at b2 and white pawn at h2. White knight at b1, white bishop at c1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 5. Full move number is 23. Black to move.