1nb1kb2/1p1ppppr/r1p5/5P1p/1PP2P2/RpN5/4PK1P/1Q2BBNR b - - 2 16
FEN state: 1nb1kb2/1p1ppppr/r1p5/5P1p/1PP2P2/RpN5/4PK1P/1Q2BBNR b - - 2 16 ; Best move: a6a3
The current state of the chess board is: Black knight at b8, black bishop at c8, black king at e8 and black bishop at f8. Black pawn at b7, black pawn at d7, black pawn at e7, black pawn at f7, black pawn at g7 and black rook at h7. Black rook at a6 and black pawn at c6. White pawn at f5 and black pawn at h5. White pawn at b4, white pawn at c4 and white pawn at f4. White rook at a3, black pawn at b3 and white knight at c3. White pawn at e2, white king at f2 and white pawn at h2. White queen at b1, white bishop at e1, white bishop at f1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 2. Full move number is 16. Black to move.