rn2kb1r/p2pn3/1p4pp/1B2pp2/PPN4q/R2b1PP1/2PPN3/2BQK2R w kq - 1 15
FEN state: rn2kb1r/p2pn3/1p4pp/1B2pp2/PPN4q/R2b1PP1/2PPN3/2BQK2R w kq - 1 15 ; Best move: c4d6
The current state of the chess board is: Black rook at a8, black knight at b8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at d7 and black knight at e7. Black pawn at b6, black pawn at g6 and black pawn at h6. White bishop at b5, black pawn at e5 and black pawn at f5. White pawn at a4, white pawn at b4, white knight at c4 and black queen at h4. White rook at a3, black bishop at d3, white pawn at f3 and white pawn at g3. White pawn at c2, white pawn at d2 and white knight at e2. White bishop at c1, white queen at d1, white king at e1 and white rook at h1. Black kingside and black queenside castles are available. Half move number is 1. Full move number is 15. White to move.