[Retros] Massacre proofgames

[andrew at anselan.com]

Congratulations Joost!

Is it now absolutely certain that there are no exact orthodox proofgames ending with bare kings. I thought that Francis Labelle's analysis concluded that there wasn't much space in which such a position might still be lurking but that was several years ago. Is there a published or publicised update?

Cheers
Andy
------Original Message------
From: Joost de Heer
Sender: retros-bounces at janko.at
To: The Retrograde Analysis Mailing List
ReplyTo: The Retrograde Analysis Mailing List
Subject: [Retros] Massacre proofgames
Sent: 2 Mar 2009 12:44 PM

In orthodox chess, there are no exact massacre proofgames ending with 
only the kings. Gerd Wilts showed an exact massacre proofgame with only 
kings in Einstein chess (Ke2/Ke7, SPG 16.5 Einstein). Here are some 
more, all SPG 16.5 transmuting kings:

Kb8/Ke2
Kc2/Kg2
Kc7/Kg2
Kc8/Kb1
Kc8/Kc2
Kc8/Kg2
Kd7/Kg1
Kf1/Kb2
Kf8/Kg2
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