4kbnr/rpp1pp2/p2qP2p/n2P4/PPb3p1/5BPP/R1P2P2/1NB1K1NR b K - 0 16
FEN state: 4kbnr/rpp1pp2/p2qP2p/n2P4/PPb3p1/5BPP/R1P2P2/1NB1K1NR b K - 0 16 ; Best move: d6b4
The current state of the chess board is: Black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black rook at a7, black pawn at b7, black pawn at c7, black pawn at e7 and black pawn at f7. Black pawn at a6, black queen at d6, white pawn at e6 and black pawn at h6. Black knight at a5 and white pawn at d5. White pawn at a4, white pawn at b4, black bishop at c4 and black pawn at g4. White bishop at f3, white pawn at g3 and white pawn at h3. White rook at a2, white pawn at c2 and white pawn at f2. White knight at b1, white bishop at c1, white king at e1, white knight at g1 and white rook at h1. White kingside is the only castle move available. Half move number is 0. Full move number is 16. Black to move.