Daily Chess Improvement: Endgame Chess Improvement! Chess tactic, Endgame Improvement, Puzzle Solving White to move. How should white proceed? Source: ChessToday.net
mate in 5
I agree
Black square magic. No discovered check at any stage.
1. h8=Q+ Kxh8 2. Kh6 Bb3 3. Bb4 Bc2 4. Bf8 Bh7 5. Bg7# ??
H8,k x h8, kh6 (black king is trapped), now bring black bishop to g7 and checkmate (b4,f8,g7)