r3kbr1/pb2p1N1/n2p2Pn/1ppq4/1PP3Pp/P4p2/3PPKBP/RQB3NR b - - 3 21
FEN state: r3kbr1/pb2p1N1/n2p2Pn/1ppq4/1PP3Pp/P4p2/3PPKBP/RQB3NR b - - 3 21 ; Best move: f8g7
The current state of the chess board is: Black rook at a8, black king at e8, black bishop at f8 and black rook at g8. Black pawn at a7, black bishop at b7, black pawn at e7 and white knight at g7. Black knight at a6, black pawn at d6, white pawn at g6 and black knight at h6. Black pawn at b5, black pawn at c5 and black queen at d5. White pawn at b4, white pawn at c4, white pawn at g4 and black pawn at h4. White pawn at a3 and black pawn at f3. White pawn at d2, white pawn at e2, white king at f2, white bishop at g2 and white pawn at h2. White rook at a1, white queen at b1, white bishop at c1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 3. Full move number is 21. Black to move.