rn1k1b1r/p1q1ppp1/bp3n1p/2pp4/1PP2B2/2NP1P2/P3P1PP/1RQ1KBNR w K - 4 10
FEN state: rn1k1b1r/p1q1ppp1/bp3n1p/2pp4/1PP2B2/2NP1P2/P3P1PP/1RQ1KBNR w K - 4 10 ; Best move: f4c7
The current state of the chess board is: Black rook at a8, black knight at b8, black king at d8, black bishop at f8 and black rook at h8. Black pawn at a7, black queen at c7, black pawn at e7, black pawn at f7 and black pawn at g7. Black bishop at a6, black pawn at b6, black knight at f6 and black pawn at h6. Black pawn at c5 and black pawn at d5. White pawn at b4, white pawn at c4 and white bishop at f4. White knight at c3, white pawn at d3 and white pawn at f3. White pawn at a2, white pawn at e2, white pawn at g2 and white pawn at h2. White rook at b1, white queen at c1, white king at e1, white bishop at f1, white knight at g1 and white rook at h1. White kingside is the only castle move available. Half move number is 4. Full move number is 10. White to move.