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Bishop Knight Morph Factor. Missing description (8x8, Cells: 64) [All Comments] [Add Comment or Rating]

Charles Gilman wrote on Sat, Apr 28, 2007 03:21 AM EDT:Good ★★★★

A subvariant which could be played with a standard set would be one in which the changing of the moving Knight to a Bishop is accompanied by a change of a stationary Bishop (of the player's choice, and as long as they still have one) to a Knight and vice versa.

David Paulowich wrote on Thu, May 3, 2007 04:18 PM EDT:Good ★★★★

In 2001 David Howe posted Chess on a Longer Board with a few Pieces Added. His Changeling piece starts out as a Halfling Bishop and alternates its movement with a Halfling Rook. A Game Courier search for [Chess on a*] will turn up old games in this variant, plus some others.

I once considered replacing the Queens in standard chess with Rotators, moving R-N-B-R-N-B and so forth. WHITE: King b3, Rotator[Rook mode] g2, BLACK: King b1.

diagram

White to move and mate in three moves

1. Ra2=N Ka1 2.Nc3=B check Kb1 3.Be1=R mate.

💡📝Gary Gifford wrote on Thu, May 3, 2007 06:57 PM EDT:

David - thanks for suppling information regarding pieces that change.  Unlike the obvious Pawn promotions in Chess, more limited pawn promotions in Xianqi, or piece promotions in Shogi, my first piece that could transform was the Morph in Pillars of Medusa.  It started out moving as a Bishop, but it could optionally change into a [Morph of] the piece or Pawn it captured (on the turn of capture).

Several years ago I bought a Steve Jackson game called 'Proteus' - It is played on a standard 8x8 chess board.  The pieces are 8 identical cubes per player, with a different piece on each of the 6 surfaces. The pieces can rotate up or down to increase or decrease their value.  I'll not spill out the rules here, but will mention that it is one of my all time favorite variants.

Flowerman wrote on Sat, Feb 20, 2010 01:46 PM EST:Good ★★★★

Is there game like this, where bishops transforms into rooks (and vice versa), and knights transforms camels. Maybe, pawns also transforms into berolina pawns.

💡📝Gary Gifford wrote on Tue, Feb 23, 2010 07:35 PM EST:

Mr. Flowerman, thank you for taking time to comment on the game and for asking about other morph variants. I do not know if there is a Bishop to Rook morph game, but there are certainly other morph variants. My first variant, Pillars of Medusa has a piece that can morph into whatever it captures. I think my favorite morph-based chess variant is Steve Jackson's 'Proteus.' That game makes use of dice for pieces. See more at: http://www.sjgames.com/proteus/

David Paulowich wrote on Wed, Apr 5, 2023 09:53 PM EDT:

I see that Nicholas Wolff once won a game of Bishop Knight Morph Factor. Joe Joyce's Pieces thread from 2009 contains some interesting comments on various pieces, including Changelings. Looking back on my 2007 comment here, what if a Pawn promoting to a Rotator can choose the R/N/B mode? That allows a player promoting to a Rotator [N mode] to deliver a needed Knight check, while obtaining a new piece that is (perhaps) twice as valuable as a Knight.

NOTE: many old thread links here use subjectid which must be replaced by itemid

H. G. Muller wrote on Thu, Apr 6, 2023 04:22 AM EDT in reply to David Paulowich from Wed Apr 5 09:53 PM:

I see no reason why an RNB Rotator would be worth more than a Rook. I would expect it to be worth significantly less than a Rook even in R mode. (The current mode would fine-tune the value just like current mobility would for normal pieces.) About half-way between a minor and a Rook. I am not even sure whether it is a major piece (i.e. can force checkmate on a bare King from almost any position).

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