r3kb2/1b1pqprp/1p2Q3/pN6/3N1B2/1PP1KPp1/P3P1PP/R4B1R b - - 0 21
FEN state: r3kb2/1b1pqprp/1p2Q3/pN6/3N1B2/1PP1KPp1/P3P1PP/R4B1R b - - 0 21 ; Best move: d7e6
The current state of the chess board is: Black rook at a8, black king at e8 and black bishop at f8. Black bishop at b7, black pawn at d7, black queen at e7, black pawn at f7, black rook at g7 and black pawn at h7. Black pawn at b6 and white queen at e6. Black pawn at a5 and white knight at b5. White knight at d4 and white bishop at f4. White pawn at b3, white pawn at c3, white king at e3, white pawn at f3 and black pawn at g3. White pawn at a2, white pawn at e2, white pawn at g2 and white pawn at h2. White rook at a1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 21. Black to move.