5b1r/2p3p1/np1pbk1n/1P3p1p/5p1P/RPP1PN2/2NP1PP1/2B1KB1R b K - 0 19
FEN state: 5b1r/2p3p1/np1pbk1n/1P3p1p/5p1P/RPP1PN2/2NP1PP1/2B1KB1R b K - 0 19 ; Best move: a6c5
The current state of the chess board is: Black bishop at f8 and black rook at h8. Black pawn at c7 and black pawn at g7. Black knight at a6, black pawn at b6, black pawn at d6, black bishop at e6, black king at f6 and black knight at h6. White pawn at b5, black pawn at f5 and black pawn at h5. Black pawn at f4 and white pawn at h4. White rook at a3, white pawn at b3, white pawn at c3, white pawn at e3 and white knight at f3. White knight at c2, white pawn at d2, white pawn at f2 and white pawn at g2. White bishop at c1, white king at e1, white bishop at f1 and white rook at h1. White kingside is the only castle move available. Half move number is 0. Full move number is 19. Black to move.