rnbqkb1r/1p1p1ppp/4p3/Q1pn4/4PP2/1P1PB3/P1P1NKPP/RN3B1R w - - 5 10
FEN state: rnbqkb1r/1p1p1ppp/4p3/Q1pn4/4PP2/1P1PB3/P1P1NKPP/RN3B1R w - - 5 10 ; Best move: a5d8
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black queen at d8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at b7, black pawn at d7, black pawn at f7, black pawn at g7 and black pawn at h7. Black pawn at e6. White queen at a5, black pawn at c5 and black knight at d5. White pawn at e4 and white pawn at f4. White pawn at b3, white pawn at d3 and white bishop at e3. White pawn at a2, white pawn at c2, white knight at e2, white king at f2, white pawn at g2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 5. Full move number is 10. White to move.