No. XLVII
Q—R 8Kt × Q Kt—B 6any mates accordingly.
No. XLVIII
B—Kt 8B—K Kt 2 Q × B, ch.Kt—K 4 Q—QR 7, mate.
if
B—B 3 Q—Q 2, ch.K moves P mates.
No. XLIX
B—Kt 2K—K 4 Q—K 3 ch.any mates.
Q—R 8Kt × Q Kt—B 6any mates accordingly.
B—Kt 8B—K Kt 2 Q × B, ch.Kt—K 4 Q—QR 7, mate.
if
B—B 3 Q—Q 2, ch.K moves P mates.
B—Kt 2K—K 4 Q—K 3 ch.any mates.