3qkb1r/4ppp1/2ppb2p/r3nn2/ppPP4/NB2PPP1/4K2P/RQB3NR b k - 3 16
FEN state: 3qkb1r/4ppp1/2ppb2p/r3nn2/ppPP4/NB2PPP1/4K2P/RQB3NR b k - 3 16 ; Best move: a4b3
The current state of the chess board is: Black queen at d8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at e7, black pawn at f7 and black pawn at g7. Black pawn at c6, black pawn at d6, black bishop at e6 and black pawn at h6. Black rook at a5, black knight at e5 and black knight at f5. Black pawn at a4, black pawn at b4, white pawn at c4 and white pawn at d4. White knight at a3, white bishop at b3, white pawn at e3, white pawn at f3 and white pawn at g3. White king at e2 and white pawn at h2. White rook at a1, white queen at b1, 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 16. Black to move.