[Retros] Challenge

[Joost de Heer]

On 12/01/2009 08:14 PM, andrew buchanan wrote:

> Hi Joost,

>

> Thanks for picking this up. The diagram was wrong (sorry), but in trying to repair it I have found a better position:

>

> 4k3/8/5K2/8/8/2Qp1b2/N7/8

> "#1", "#2", "#3", "#4", "#5", "#6", "#7"


#4-#7 are cooked. Both Qc7 and Qxd3 lead to an exact-#4, the exact-#5 is 
even worse: Qd4/Qc7/Qxd3/Sb4.

Joost