r1b1kbnr/pp6/n1Pq4/5pN1/4pPpP/BP6/P1PP1Q2/RN2KB1R b KQkq - 1 16
FEN state: r1b1kbnr/pp6/n1Pq4/5pN1/4pPpP/BP6/P1PP1Q2/RN2KB1R b KQkq - 1 16 ; Best move: a6b4
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7 and black pawn at b7. Black knight at a6, white pawn at c6 and black queen at d6. Black pawn at f5 and white knight at g5. Black pawn at e4, white pawn at f4, black pawn at g4 and white pawn at h4. White bishop at a3 and white pawn at b3. White pawn at a2, white pawn at c2, white pawn at d2 and white queen at f2. White rook at a1, white knight at b1, white king at e1, white bishop at f1 and white rook at h1. White kingside, white queenside, black kingside and black queenside castles are available. Half move number is 1. Full move number is 16. Black to move.