r2q1bnr/p1p2k1p/2np1p2/1p2p1p1/1PPP1P1P/2N1P2R/P2B4/R2Q1KN1 b - - 2 16
FEN state: r2q1bnr/p1p2k1p/2np1p2/1p2p1p1/1PPP1P1P/2N1P2R/P2B4/R2Q1KN1 b - - 2 16 ; Best move: g5g4
The current state of the chess board is: Black rook at a8, black queen at d8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at c7, black king at f7 and black pawn at h7. Black knight at c6, black pawn at d6 and black pawn at f6. Black pawn at b5, black pawn at e5 and black pawn at g5. White pawn at b4, white pawn at c4, white pawn at d4, white pawn at f4 and white pawn at h4. White knight at c3, white pawn at e3 and white rook at h3. White pawn at a2 and white bishop at d2. White rook at a1, white queen at d1, white king at f1 and white knight at g1. Both players have exhausted their castles. Half move number is 2. Full move number is 16. Black to move.