Another reader question about one of the tactics in my e-mail newsletters…
Regarding this position from the newsletter “Return of the Assassin”
Spoilers below, so solve it first if you want to
Not looking at the theme, I instead saw Ne7+, any response, Qb5#. Same outcome.
I think if the king moves out of check, like Kb6 then Qb5 isn’t a mate anymore, because now the black queen protects that square
The answer I gave in the newsletter was: 19.Nb4+ Kb6 20.a5#,