r4q2/p1p1pkbr/3pbnpp/4np1P/1P2Q3/P1p2PP1/R2PPKBR/1NB3N1 b - - 7 20
FEN state: r4q2/p1p1pkbr/3pbnpp/4np1P/1P2Q3/P1p2PP1/R2PPKBR/1NB3N1 b - - 7 20 ; Best move: f5e4
The current state of the chess board is: Black rook at a8 and black queen at f8. Black pawn at a7, black pawn at c7, black pawn at e7, black king at f7, black bishop at g7 and black rook at h7. Black pawn at d6, black bishop at e6, black knight at f6, black pawn at g6 and black pawn at h6. Black knight at e5, black pawn at f5 and white pawn at h5. White pawn at b4 and white queen at e4. White pawn at a3, black pawn at c3, white pawn at f3 and white pawn at g3. White rook at a2, white pawn at d2, white pawn at e2, white king at f2, white bishop at g2 and white rook at h2. White knight at b1, white bishop at c1 and white knight at g1. Both players have exhausted their castles. Half move number is 7. Full move number is 20. Black to move.