rn3b1r/p4ppN/2k4q/1ppp1n2/1PPQPPbp/P3PBP1/4N2P/R1B1K1R1 b - - 1 20
FEN state: rn3b1r/p4ppN/2k4q/1ppp1n2/1PPQPPbp/P3PBP1/4N2P/R1B1K1R1 b - - 1 20 ; Best move: f5d4
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at f7, black pawn at g7 and white knight at h7. Black king at c6 and black queen at h6. Black pawn at b5, black pawn at c5, black pawn at d5 and black knight at f5. White pawn at b4, white pawn at c4, white queen at d4, white pawn at e4, white pawn at f4, black bishop at g4 and black pawn at h4. White pawn at a3, white pawn at e3, white bishop at f3 and white pawn at g3. White knight at e2 and white pawn at h2. White rook at a1, white bishop at c1, white king at e1 and white rook at g1. Both players have exhausted their castles. Half move number is 1. Full move number is 20. Black to move.