r1bq1rk1/p1ppbn1p/1p6/1N2pp2/2PP2P1/6N1/PP2PP1P/R1nQKB1R b KQ - 4 16
FEN state: r1bq1rk1/p1ppbn1p/1p6/1N2pp2/2PP2P1/6N1/PP2PP1P/R1nQKB1R b KQ - 4 16 ; Best move: f5f4
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black rook at f8 and black king at g8. Black pawn at a7, black pawn at c7, black pawn at d7, black bishop at e7, black knight at f7 and black pawn at h7. Black pawn at b6. White knight at b5, black pawn at e5 and black pawn at f5. White pawn at c4, white pawn at d4 and white pawn at g4. White knight at g3. White pawn at a2, white pawn at b2, white pawn at e2, white pawn at f2 and white pawn at h2. White rook at a1, black knight at c1, white queen at d1, white king at e1, white bishop at f1 and white rook at h1. White kingside and white queenside castles are available. Half move number is 4. Full move number is 16. Black to move.