[Retros] A parting gift (Re: FW: Announcing RML End-of-Life Date)

[Elkies, Noam]

Otto Janko <otto at aojanko.de> wrote:

> Bad news: The Retro Meiling List service provider
> will shut down the RML on January 1st, 2026. [ . . . ]

:-( That's a pity.  So this annual greeting is my farewell message.
Thanks to Andrew Buchanan for quickly checking it (and an
unsound first attempt) -- and also for introducing this approach to
constructing enumerative problems!

(Shortest) series proof-game in 19; how many solutions?

https://www.janko.at/Retros/d.php?ff=rnbqkbnr/ppppp1pp/8/8/RPP1Q2P/2RP1P2/P1NBP1P1/1K3BN1

Happy New Year,
--NDE