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The Chess Variant Pages



This page is written by the game's inventor, Peter Aronson.

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George Duke wrote on 2018-06-27 UTCExcellent ★★★★★

Jumping Chess originates the edge squares that Rococo uses two years later. Bishop captures like International Draughts diagonally and Rook like Turkish/Israeli draughts orthogonally. Except no plural captures, and in JC the line pieces slide any distance beforehand. But no displacement capture at all here. Jumping concepts are bandied about in 'ECV' a few times, but credit this improvement for the rim accessible only capturing.

JC may create too many defensive positions for most aesthetics.

JC year-2000 date of invention harkens to V. R. Parton's booklet 'My Games for 2000 a.d. and After' published 1972. There the CV "2000 AD" sources pieces for 30 years later great Rococo. Firsthand, Rococo is basically a derivative Ultima (1962).

( Contrariwise, Robert Abbott himself weighed in early Rococo comment that no need for border squares, just get rid of them. ) See next how Rococo draws on both Abbott and Parton. 20th century the chief variantists were Boyer, Parton, Betza and Dawson, but Dawson didn't bother with designing actual CVs.

The Rococo pieces straight out of Abbott's Ultima are Withdrawer, Immobilizer, Long Leaper, Chameleon. And the Rococo pieces straight out of 2000 A. D. are Ximaera and Swapper. Ximaera gets re-named Advancer. Finally, Rococo takes its own inventor's border squares from JC and adds that great novelty Cannon Pawn.

Perimeter-squared JC has little play, but Rococo, when adding its subvariants Push-Pull and Mirror, has the same number 10 rank approximately of near-form Ultima at Game Courier. And several ahead of them are a standard Chess form around hundred(s) years. Or combine play numbers of Ultima and Rococo and they are number 3. So arguably derived-form Rococo is a topmost world-class CV. Thanks to contribution of porous out-migration squares from selfsame JC.


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