[Retros] Difficult

pastmaker at aol.com pastmaker at aol.com
Mon Feb 22 10:16:18 EST 2010

The Breyer position from 1922, as amended by the computers or not. Cannot be solved without trial and error.

-----Original Message-----
From: Juha Saukkola <juha_saukkola at hotmail.com>
To: retros at janko.at
Sent: Sun, Feb 21, 2010 8:12 am
Subject: [Retros] Difficult

What's most difficult chess problem (with already solved/cooked only one/two) in the world?
I challenge all to compose difficult problem for crypthing purposes ;)

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