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Diagonal Oblong Chess. The board is an oblong in diagonal direction. By Shi Ji. (8x8, Cells: 64) [All Comments] [Add Comment or Rating]
💡📝Shi Ji wrote on 2013-08-18 UTC
A King is severely threatened by the opponent Queen's Guarding which would checkmate with the line half-open and unprotected . I don't know whether players would be encouraged to attack with Guarding or discouraged to defend opponent Guarding . They may also reserve Guarding for a fatal strike preventing from early and easy moving of Queen . 

PS : I haven't played this variant for more than two years , which is not good of a CV inventor .

George Duke wrote on 2011-01-04 UTCExcellent ★★★★★
Guarding the Queen appears to be unique innovation, disguised in the re-oriented board. It may never have been done before, though could technically be brought under umbrella of a double-mover. Switch to the over 95% of CVs on rectangles of squares, all 4000 of them, exclusive of their subvariants. Is there not often a need, different from castling, for Queen to be protected on early exit, thereby encouraging risk? The principle could apply widely from Gothic to Grotesque, from Fischer to Grand, Mastodon to Wildebeest, Courier de la Dama, Falcon, Sissa, Unicorn Great; and improve probably majority of such rules-sets. Remarkable. It could be either Bishop or Rook from one cv to other, and there could be different clearance requirements thinkable. Of course, ''guarding the queen'' as mere expression carries some baggage, in literature and practice, from recent genocidal colonial days, a sort of gentleman's agreement to warn of attack addressed to playing-level of some mediocre, necessary functionary. Other objective of Bishop-stengthening is still left unaddressed as of now.

George Duke wrote on 2011-01-04 UTCGood ★★★★
This is the same as any rectangle of squares. It is decidedly not, and no way claims to be, Betzan ''Recta-hexing,'' which creates different hexagonal connectivity. Instead, the diamond style here (and see Shi Ji's references in similarities) is a different way to visualize ordinary CV boards, that is all. Each interior square has eight adjacencies, four of each type, the same as usual. It effects rearrangement of the board, points to line-segment, and line to point; and we can take ''Diagonal Oblong'' and go back again by stretch and bend, changing each line to point and point to line, careful to preserve each connection. Two corners still have the regular three adjacencies. What exactly happens though to the expected other two corners, for follow-up? If putting the other two corners in, then which two squares do not belong to get back to 64? And how to word the rules to distinguish the apparent variant Bishop and Rook of D.O? Balbo's Chess(1974) cited is one saw-tooth board, more to do with how big each file is; saw-tooth yields the perimetre-Rook, though not used at Balbo's. Is the present board 8x8 or 4x16? ''Guard your Queen'' was once standard courtesy; and now is Guarding the Queen with the Bishop, as option explained here, among not so many unique innovations in too repetitive last couple of years?

David Cannon wrote on 2010-12-27 UTCExcellent ★★★★★
A simple but far-reaching innovation which creates some interesting possibilities for play.

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