1nbqkbnr/3p4/1p2p1pp/r1p2p2/8/NQ1KPP2/PP1PB1PP/R1B3NR b k - 3 12
FEN state: 1nbqkbnr/3p4/1p2p1pp/r1p2p2/8/NQ1KPP2/PP1PB1PP/R1B3NR b k - 3 12 ; Best move: a5a3
The current state of the chess board is: Black knight at b8, black bishop at c8, black queen at d8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at d7. Black pawn at b6, black pawn at e6, black pawn at g6 and black pawn at h6. Black rook at a5, black pawn at c5 and black pawn at f5. White knight at a3, white queen at b3, white king at d3, white pawn at e3 and white pawn at f3. White pawn at a2, white pawn at b2, white pawn at d2, white bishop at e2, white pawn at g2 and white pawn at h2. White rook at a1, white bishop at c1, white knight at g1 and white rook at h1. Black kingside is the only castle move available. Half move number is 3. Full move number is 12. Black to move.