[Retros] Infinite length HAP problem

[Francois Labelle]

On Sat, 1 Dec 2007, Bernd Gräfrath wrote:


> Mario Richter has confirmed that it is C+ (many thanks again!), and he 

> also points out that it is the longest HAP-problem so far.


Here's an infinite one:

1.A A 2.A A 3.AxP AxP 4.AxA AxA 5.A A 6.AxP AxP 7.AxA AxA 8.A A 9.HxA HxA
and then
10.A A 11.A A 12.A A 13.A A ...

 	Francois