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Login hereLaska 2023-12-25 13:52:01.556948
Hi, Antonio,
According to an email this problem tempted retired problemist Ronald Turnbull to "his first chess problem to solve in a decade".
He goes on:
"Very nice: must have been a beast to get it sound."
Ronald is a good solver. That's a nice compliment.
dturevski 2023-12-28 22:08:48.224916
What is the role of the wPf3?
Laska 2024-01-03 14:03:37.912999
Thanks for picking up this typo, Dmitri. Red faces all round :) I have corrected the diagram.