rn1q1bnr/ppk1p2p/2pp1pQ1/8/P3bP2/R5P1/1PPP3P/1NB1K1NR w K - 0 10
FEN state: rn1q1bnr/ppk1p2p/2pp1pQ1/8/P3bP2/R5P1/1PPP3P/1NB1K1NR w K - 0 10 ; Best move: g6e4
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at d8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at b7, black king at c7, black pawn at e7 and black pawn at h7. Black pawn at c6, black pawn at d6, black pawn at f6 and white queen at g6. White pawn at a4, black bishop at e4 and white pawn at f4. White rook at a3 and white pawn at g3. White pawn at b2, white pawn at c2, white pawn at d2 and white pawn at h2. White knight at b1, white bishop at c1, white king at e1, white knight at g1 and white rook at h1. White kingside is the only castle move available. Half move number is 0. Full move number is 10. White to move.