r1b4r/1p2k1pp/n1p3P1/1N1pN3/5pn1/1p6/PBPP1PBP/RQ2K2R b - - 0 22
FEN state: r1b4r/1p2k1pp/n1p3P1/1N1pN3/5pn1/1p6/PBPP1PBP/RQ2K2R b - - 0 22 ; Best move: a6b4
The current state of the chess board is: Black rook at a8, black bishop at c8 and black rook at h8. Black pawn at b7, black king at e7, black pawn at g7 and black pawn at h7. Black knight at a6, black pawn at c6 and white pawn at g6. White knight at b5, black pawn at d5 and white knight at e5. Black pawn at f4 and black knight at g4. Black pawn at b3. White pawn at a2, white bishop at b2, white pawn at c2, white pawn at d2, white pawn at f2, white bishop at g2 and white pawn at h2. White rook at a1, white queen at b1, white king at e1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 22. Black to move.