r1b1kb1r/pp4pn/3p4/2pPp1Pp/qn3p1P/2P1PP2/1P2B3/RNBQ1KNR w kq - 1 13
FEN state: r1b1kb1r/pp4pn/3p4/2pPp1Pp/qn3p1P/2P1PP2/1P2B3/RNBQ1KNR w kq - 1 13 ; Best move: d1a4
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at g7 and black knight at h7. Black pawn at d6. Black pawn at c5, white pawn at d5, black pawn at e5, white pawn at g5 and black pawn at h5. Black queen at a4, black knight at b4, black pawn at f4 and white pawn at h4. White pawn at c3, white pawn at e3 and white pawn at f3. White pawn at b2 and white bishop at e2. White rook at a1, white knight at b1, white bishop at c1, white queen at d1, white king at f1, white knight at g1 and white rook at h1. Black kingside and black queenside castles are available. Half move number is 1. Full move number is 13. White to move.