rn3b1r/pppkpppp/q4nb1/3p4/PP6/R3PP1N/2PPBKPP/1NB3QR b - - 2 10
FEN state: rn3b1r/pppkpppp/q4nb1/3p4/PP6/R3PP1N/2PPBKPP/1NB3QR b - - 2 10 ; Best move: a6b6
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at c7, black king at d7, black pawn at e7, black pawn at f7, black pawn at g7 and black pawn at h7. Black queen at a6, black knight at f6 and black bishop at g6. Black pawn at d5. White pawn at a4 and white pawn at b4. White rook at a3, white pawn at e3, white pawn at f3 and white knight at h3. White pawn at c2, white pawn at d2, white bishop at e2, white king at f2, white pawn at g2 and white pawn at h2. White knight at b1, white bishop at c1, white queen at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 2. Full move number is 10. Black to move.