r1bq2n1/N1pp1kbr/n3p3/P1P2P2/P2N2p1/7P/3PBP1P/RQB1K2R b - - 0 18
FEN state: r1bq2n1/N1pp1kbr/n3p3/P1P2P2/P2N2p1/7P/3PBP1P/RQB1K2R b - - 0 18 ; Best move: g7d4
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8 and black knight at g8. White knight at a7, black pawn at c7, black pawn at d7, black king at f7, black bishop at g7 and black rook at h7. Black knight at a6 and black pawn at e6. White pawn at a5, white pawn at c5 and white pawn at f5. White pawn at a4, white knight at d4 and black pawn at g4. White pawn at h3. White pawn at d2, white bishop at e2, white pawn at f2 and white pawn at h2. White rook at a1, white queen at b1, white bishop at c1, white king at e1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 18. Black to move.