1rbqkbnr/3pn1p1/1pp1pp1p/p3P3/8/NP3PP1/P1PP2BP/R1BQK1NR w k - 0 10
FEN state: 1rbqkbnr/3pn1p1/1pp1pp1p/p3P3/8/NP3PP1/P1PP2BP/R1BQK1NR w k - 0 10 ; Best move: a3c4
The current state of the chess board is: Black rook at b8, black bishop at c8, black queen at d8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at d7, black knight at e7 and black pawn at g7. Black pawn at b6, black pawn at c6, black pawn at e6, black pawn at f6 and black pawn at h6. Black pawn at a5 and white pawn at e5. White knight at a3, white pawn at b3, white pawn at f3 and white pawn at g3. White pawn at a2, white pawn at c2, white pawn at d2, white bishop at g2 and white pawn at h2. White rook at a1, white bishop at c1, white queen at d1, white king at e1, white knight at g1 and white rook at h1. Black kingside is the only castle move available. Half move number is 0. Full move number is 10. White to move.