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George Duke wrote on Sat, Jun 20, 2009 08:10 PM UTC:Good ★★★★
The mode-changing by the SHS comes from Fourriere's Polypiece(2003) loosely in being automatic on certain conditions, and Polypiece stems from a Betza article. The mode-changing by flipping is from Fourriere's Jacks & Witches(2003) and the player decides optionally one way or the other. Later Transmitter Chess by Gifford uses different related concept. SHS here and Transmitters there, whether R, N, or B, both move as King. Activation of other pieces by Chieftain in Joyce's one later too is at least not unrelated to idea in Symmetron!, in Chieftain's having to be within 3 steps to activate, in perhaps Joyce's preferred form and SHS's here having to be within a certain one or two to effect. Lavieri had after this late 2004 and 2005 only Chess with Promoters, More10, Chess with Batteries, Multi-King, ZoneX, the Travelers, and Toccata. Most 'Lavieris' then are from year 2003.

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