Ratings & Comments
Decimaka (revised). Game where pieces promote on making a capture. (10x10) [All Comments] [Add Comment or Rating]
💡📝H. G. Muller wrote on Sat, May 21, 2022 08:18 AM UTC:I now also upgraded the general Diagram script to get more realistic piece values for this variant. It had a rather complex algorithm for determining the contribution of promotability to the piece value. Which would determine the ease of promotion based on counting the fraction of moves that would enter the promotion zone in (randomly generated) test positions, and assume the product of this ease and the promotion gain would determine the probability that this piece would indeed promote during the game. (Assuming that pieces with a less attractive promotion prospects would have to be traded away to clear the way for that.) This of course gave rather non-sensical results if there was no promotion zone at all. In that case the Diagram now assumes promotion on capture for promotable pieces (as specified by maxPromote). It then adds 50% of the promotion gain if this is positive, and subtracts 10% of the devaluation if it is a demotion (assuming there are ways to avoid it, but that this avoidance does make the piece less useful).
Parahouse. Members-Only Shogi + Strong pieces. (9x9, Cells: 81) [All Comments] [Add Comment or Rating]Since this comment is for a page that has not been published yet, you must be signed in to read it.
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Eight-Stone Chess. Players can move neutral stones as well as pieces.[All Comments] [Add Comment or Rating]This game is very interesting and it makes an interesting candidate for the interactive diagram. Probably the stones may be somehow implemented by holes. I'm not sure how neutral would be implemented in XBetza, though!
Cardinal. Moves as bishop or as knight.[All Comments] [Add Comment or Rating]Does this piece and king mate a lone king? How? Is it similar to KNB vs K? Does it work on any rectangular board?
H. G. Muller wrote on Sun, May 22, 2022 02:14 PM UTC in reply to Aurelian Florea from 12:11 PM:Use the "Try it" link in the Notes section, and start playing for black to see how it is done.
Parahouse. Members-Only Shogi + Strong pieces. (9x9, Cells: 81) [All Comments] [Add Comment or Rating]Since this comment is for a page that has not been published yet, you must be signed in to read it.
Cardinal. Moves as bishop or as knight.[All Comments] [Add Comment or Rating]Ok, thanks. It seems chessV in Grand chess cannot do it with small variantion. It probably does it with none, though! I tried that!
H. G. Muller wrote on Sun, May 22, 2022 02:36 PM UTC in reply to Aurelian Florea from 02:25 PM:For larger board sizes you can try the general Checkmating Applet, upto 16x16. That also makes it more obvious what the general method is, for driving towards the edge, and then towards the corner.
I have noticed the general method. Thanks!
Checkmating Applet (3 vs 1). Practice your checkmating skill with fairy pieces.[All Comments] [Add Comment or Rating]Why trying to define pieces I always get capture only pieces?!
Checkmating Applet. Practice your checkmating skill with fairy pieces.[All Comments] [Add Comment or Rating]It would be a very nice feature to include bent riders. The gryphon mates but I'm curious for pieces like R2 then bishop and B2 then rook. I think they are both major (WD is major to my knowledge so probably R2 is too, B2 then rook could be trickier).
Parahouse. Members-Only Shogi + Strong pieces. (9x9, Cells: 81) [All Comments] [Add Comment or Rating]Since this comment is for a page that has not been published yet, you must be signed in to read it.
Archchess. Large chess variant from 17th century Italy. (10x10, Cells: 100) [All Comments] [Add Comment or Rating]i think so
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I added 'Campmate'.