r1b1kb1r/ppp1pppp/3pqn2/1P2n3/P3P2N/R7/2PP1PPR/1NBQKB2 w k - 1 10
FEN state: r1b1kb1r/ppp1pppp/3pqn2/1P2n3/P3P2N/R7/2PP1PPR/1NBQKB2 w k - 1 10 ; Best move: f2f3
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 c7, black pawn at e7, black pawn at f7, black pawn at g7 and black pawn at h7. Black pawn at d6, black queen at e6 and black knight at f6. White pawn at b5 and black knight at e5. White pawn at a4, white pawn at e4 and white knight at h4. White rook at a3. White pawn at c2, white pawn at d2, white pawn at f2, white pawn at g2 and white rook at h2. White knight at b1, white bishop at c1, white queen at d1, white king at e1 and white bishop at f1. Black kingside is the only castle move available. Half move number is 1. Full move number is 10. White to move.