rn3br1/3k2p1/b4p2/pp1pp1Np/PP1PP2P/R3Q3/3NKP2/2B2B1R b - - 2 21
FEN state: rn3br1/3k2p1/b4p2/pp1pp1Np/PP1PP2P/R3Q3/3NKP2/2B2B1R b - - 2 21 ; Best move: f6g5
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at f8 and black rook at g8. Black king at d7 and black pawn at g7. Black bishop at a6 and black pawn at f6. Black pawn at a5, black pawn at b5, black pawn at d5, black pawn at e5, white knight at g5 and black pawn at h5. White pawn at a4, white pawn at b4, white pawn at d4, white pawn at e4 and white pawn at h4. White rook at a3 and white queen at e3. White knight at d2, white king at e2 and white pawn at f2. White bishop at c1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 2. Full move number is 21. Black to move.