[Retros] Capture at home + mate at home

[Noam Elkies]

Oops -- I wrote:

  1 h4 b5 2 Rh3 Bb7 3 Ra3 Be4 4 Ra6 c6 5 a4 Qa5 6 Rb6 Na6 7 Ra3 Kd8 [...]

but Black's last two moves can be interchanged.  Still, one can continue
instead 5 ... Qb6 6 Ra3 Kd8 etc., trying to get the Black King partway
towards its eventual gallows at g1 and only later move away the Qb6
to allow Rb6, Na6; Rb8, followed by Rxa8 and then finally Rh1#.

NDE