r1bk3r/p1ppn1p1/np5p/P3pP2/3P1Q2/R7/1PP1KN2/1NB2B1R b - - 0 18
FEN state: r1bk3r/p1ppn1p1/np5p/P3pP2/3P1Q2/R7/1PP1KN2/1NB2B1R b - - 0 18 ; Best move: e5f4
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at d8 and black rook at h8. Black pawn at a7, black pawn at c7, black pawn at d7, black knight at e7 and black pawn at g7. Black knight at a6, black pawn at b6 and black pawn at h6. White pawn at a5, black pawn at e5 and white pawn at f5. White pawn at d4 and white queen at f4. White rook at a3. White pawn at b2, white pawn at c2, white king at e2 and white knight at f2. White knight at b1, white bishop at c1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 18. Black to move.