Suggest 1.Bf6+ if 1…..Bxf6 2.Qg3+ and mates with Qg6 or Qg8. so 1…..Kf7 2.Qxh7+ Ke8 trying to escape 3.Nxc8 seems the best amongst lots of possibilities because here comes Qe7# 3……Ra2 4.Nxa2 and Black can only delay but not prevent Qe7# mate. Andrew
Suggest 1.Bf6+ if 1…..Bxf6 2.Qg3+ and mates with Qg6 or Qg8. so 1…..Kf7 2.Qxh7+ Ke8 trying to escape 3.Nxc8 seems the best amongst lots of possibilities because here comes Qe7# 3……Ra2 4.Nxa2 and Black can only delay but not prevent Qe7# mate. Andrew
1.Bf6+ Bxf6 2.Qg3+ with an idea of mate by Qg6 or Qg8.
Suggest
1.Bf6+
if 1…..Bxf6
2.Qg3+
and mates with Qg6 or Qg8.
so 1…..Kf7
2.Qxh7+ Ke8 trying to escape
3.Nxc8 seems the best amongst lots of possibilities because here comes Qe7#
3……Ra2
4.Nxa2 and Black can only delay but not prevent Qe7# mate.
Andrew
Suggest
1.Bf6+
if 1…..Bxf6
2.Qg3+
and mates with Qg6 or Qg8.
so 1…..Kf7
2.Qxh7+ Ke8 trying to escape
3.Nxc8 seems the best amongst lots of possibilities because here comes Qe7#
3……Ra2
4.Nxa2 and Black can only delay but not prevent Qe7# mate.
Andrew
Bf6+! (this move is seductive because it is one of the available checks, and leaves black with 3 legal moves)
..Bxf6 Qg3+! Kf7 Qg6+ Kf8 Qg8#
..Bxf6 Qg3+! Kh8 Qg8#
..Bxf6 Qg3+! Kf8 Qg8#
..Bxf6 Qg3+! Bg5 Qxg5+ Kh8 Qg8#
..Bxf6 Qg3+! Bg5 Qxg5+ Kf8 Qg8#
..Bxf6 Qg3+! Bg5 Qxg5+ Kf7 Qg6+ Kf8 Qg8#
..Kf7 Qxh7+! Kf8 Qg8#
..Kf7 Qxh7+! Kxf6 Ng8+! Kg5 Qh6#
..Kf7 Qxh7+! Ke8 Nxf5! (no defense to mate, for example: Nxd5 Nxd6+ Kf8 Qg7#)
..Kf8 Qxh7
Black’s only move to prevent Qg8# is Ke8. After Be6 dxe6 there is no defense to Qf7#
So:
..Kf8 Qxh7 Ke8 Nxf5! We have an identical position to earlier, where there is no defense to mate.
I see Andrew sees what I see. Is a mate in 5 considered messy?