r1bk1b1r/1ppqn2p/3p1p1B/p2np3/Q3N1p1/1P3PP1/P1P1P2P/1R2KBNR w K - 0 15
FEN state: r1bk1b1r/1ppqn2p/3p1p1B/p2np3/Q3N1p1/1P3PP1/P1P1P2P/1R2KBNR w K - 0 15 ; Best move: a4d7
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at d8, black bishop at f8 and black rook at h8. Black pawn at b7, black pawn at c7, black queen at d7, black knight at e7 and black pawn at h7. Black pawn at d6, black pawn at f6 and white bishop at h6. Black pawn at a5, black knight at d5 and black pawn at e5. White queen at a4, white knight at e4 and black pawn at g4. White pawn at b3, white pawn at f3 and white pawn at g3. White pawn at a2, white pawn at c2, white pawn at e2 and white pawn at h2. White rook at b1, 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 0. Full move number is 15. White to move.