r2q1b1r/p1p1pp1p/1pnk2p1/PB1P4/RP6/8/1BPP1nPP/1N1QK1NR w K - 0 15
FEN state: r2q1b1r/p1p1pp1p/1pnk2p1/PB1P4/RP6/8/1BPP1nPP/1N1QK1NR w K - 0 15 ; Best move: d1f3
The current state of the chess board is: Black rook at a8, black queen at d8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at c7, black pawn at e7, black pawn at f7 and black pawn at h7. Black pawn at b6, black knight at c6, black king at d6 and black pawn at g6. White pawn at a5, white bishop at b5 and white pawn at d5. White rook at a4 and white pawn at b4. White bishop at b2, white pawn at c2, white pawn at d2, black knight at f2, white pawn at g2 and white pawn at h2. White knight at b1, white queen at d1, 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 15. White to move.