r3qk1r/1bp2pbp/pp1p1n2/P3p1PP/2B1PN2/NR6/P1PP2P1/2BQ1KR1 b - - 0 18
FEN state: r3qk1r/1bp2pbp/pp1p1n2/P3p1PP/2B1PN2/NR6/P1PP2P1/2BQ1KR1 b - - 0 18 ; Best move: f6e4
The current state of the chess board is: Black rook at a8, black queen at e8, black king at f8 and black rook at h8. Black bishop at b7, black pawn at c7, black pawn at f7, black bishop at g7 and black pawn at h7. Black pawn at a6, black pawn at b6, black pawn at d6 and black knight at f6. White pawn at a5, black pawn at e5, white pawn at g5 and white pawn at h5. White bishop at c4, white pawn at e4 and white knight at f4. White knight at a3 and white rook at b3. White pawn at a2, white pawn at c2, white pawn at d2 and white pawn at g2. White bishop at c1, white queen at d1, white king at f1 and white rook at g1. Both players have exhausted their castles. Half move number is 0. Full move number is 18. Black to move.