r1b2knr/p1pp4/5qpp/1p2Pp2/QP1PP2P/b5P1/PB1PBK2/RN4NR w - - 0 13
FEN state: r1b2knr/p1pp4/5qpp/1p2Pp2/QP1PP2P/b5P1/PB1PBK2/RN4NR w - - 0 13 ; Best move: a4a3
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at f8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at c7 and black pawn at d7. Black queen at f6, black pawn at g6 and black pawn at h6. Black pawn at b5, white pawn at e5 and black pawn at f5. White queen at a4, white pawn at b4, white pawn at d4, white pawn at e4 and white pawn at h4. Black bishop at a3 and white pawn at g3. White pawn at a2, white bishop at b2, white pawn at d2, white bishop at e2 and white king at f2. White rook at a1, white knight at b1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 13. White to move.