1n1k1b1r/1rpbpppp/1p3n2/1q1p4/p2PPBP1/2P2P2/1P1K2BP/RNQ3NR b - - 4 16
FEN state: 1n1k1b1r/1rpbpppp/1p3n2/1q1p4/p2PPBP1/2P2P2/1P1K2BP/RNQ3NR b - - 4 16 ; Best move: d5e4
The current state of the chess board is: Black knight at b8, black king at d8, black bishop at f8 and black rook at h8. Black rook at b7, black pawn at c7, black bishop at d7, black pawn at e7, black pawn at f7, black pawn at g7 and black pawn at h7. Black pawn at b6 and black knight at f6. Black queen at b5 and black pawn at d5. Black pawn at a4, white pawn at d4, white pawn at e4, white bishop at f4 and white pawn at g4. White pawn at c3 and white pawn at f3. White pawn at b2, white king at d2, white bishop at g2 and white pawn at h2. White rook at a1, white knight at b1, white queen at c1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 4. Full move number is 16. Black to move.