r2nkbr1/pbpq2p1/3ppp2/1p3n1p/2P2P1P/NQ4PN/PP1PPKR1/R1B2B2 b - - 4 16
FEN state: r2nkbr1/pbpq2p1/3ppp2/1p3n1p/2P2P1P/NQ4PN/PP1PPKR1/R1B2B2 b - - 4 16 ; Best move: b5c4
The current state of the chess board is: Black rook at a8, black knight at d8, black king at e8, black bishop at f8 and black rook at g8. Black pawn at a7, black bishop at b7, black pawn at c7, black queen at d7 and black pawn at g7. Black pawn at d6, black pawn at e6 and black pawn at f6. Black pawn at b5, black knight at f5 and black pawn at h5. White pawn at c4, white pawn at f4 and white pawn at h4. White knight at a3, white queen at b3, white pawn at g3 and white knight at h3. White pawn at a2, white pawn at b2, white pawn at d2, white pawn at e2, white king at f2 and white rook at g2. White rook at a1, white bishop at c1 and white bishop at f1. Both players have exhausted their castles. Half move number is 4. Full move number is 16. Black to move.