rnbq1b1r/ppp1p3/3pk1pp/8/4Ppn1/P6P/RPPP4/1NBQKB1R w K - 0 10
FEN state: rnbq1b1r/ppp1p3/3pk1pp/8/4Ppn1/P6P/RPPP4/1NBQKB1R w K - 0 10 ; Best move: d1g4
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black queen at d8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at c7 and black pawn at e7. Black pawn at d6, black king at e6, black pawn at g6 and black pawn at h6. White pawn at e4, black pawn at f4 and black knight at g4. White pawn at a3 and white pawn at h3. White rook at a2, white pawn at b2, white pawn at c2 and white pawn at d2. White knight at b1, white bishop at c1, white queen at d1, white king at e1, white bishop at f1 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.