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Butterfly Chess. Large board chess with butterflies (not Ns), advancers (not Qs) & flying dragons added. (10x10, Cells: 100) [All Comments] [Add Comment or Rating]
HaruN Y wrote on Thu, Nov 30, 2023 06:41 PM EST:

AI seems to undervalue Advancer sometimes.

files=10 ranks=10 promoZone=1 promoChoice=BRAFC graphicsDir=/graphics.dir/alfaeriePNG/ squareSize=50 graphicsType=png rimColor=#12111e darkShade=#243065 lightShade=#32a0d1 coordColor=#9eedfa firstRank=1 borders=0 pawn:P:fmWfceFifmW*:pawn:a2,b2,c2,d2,e2,f2,g2,h2,i2,j2,,a9,b9,c9,d9,e9,f9,g9,h9,i9,j9 bishop:B:B:bishop:c1,h1,,c10,h10 rook:R:R:rook:a1,j1,,a10,j10 advancer:A:[Q-fomcK-bK][Q-fdK-buK][K-fmoK-bmK][K-fdK-bumK]:ram:e1,,e10 butterfly:F:bFfbsNfsC:butterfly:b1,i1,,b10,i10 camelbishop:C:CB:camelbishop:d1,g1,,d10,g10 king:K:KisO3:king:f1,,f10

Bob Greenwade wrote on Thu, Nov 30, 2023 05:36 PM EST in reply to H. G. Muller from 05:25 PM:

Ah, I misread the diagram, and thought it was something other than the usual Butterfly. Good catch.


H. G. Muller wrote on Thu, Nov 30, 2023 05:25 PM EST in reply to Bob Greenwade from 05:20 PM:

No, you missed the Camel part. Butterfly is fsCbFffbsN.


Bob Greenwade wrote on Thu, Nov 30, 2023 05:20 PM EST in reply to H. G. Muller from 05:17 PM:

And the Butterfly is easy enough: fhsbNbF.


H. G. Muller wrote on Thu, Nov 30, 2023 05:17 PM EST in reply to Kevin Pacey from 04:41 PM:

I think that should be possible. The Advancer move is mQ[Q-fcK-bK].


💡📝Kevin Pacey wrote on Thu, Nov 30, 2023 04:41 PM EST:

I've seen that Play Tester was somehow able to make a preset for my Frog Chess CV, using the Play-Test Applet (thanks). Would such a preset be possible for Butterfly Chess, given the unusual movements of the butterfly and advancer piece types that are used?

Butterfly Chess is the last CV not to have a rules enforcing preset, of my apparently (to date) most played and liked CVs on Game Courier, one that also made it to Greg's Chess V site.


💡📝Kevin Pacey wrote on Thu, May 17, 2018 11:50 PM EDT:

I've increased my estimates for the values of the Butterfly and Flying Dragon piece types used on this variant's 10x10 board, as I had underestimated the value of a camel piece type (not used in this game, but it's used for component parts of the just mentioned compound pieces). I initially had a camel on 8x8 or 10x10 pegged at just 1/2 the value of a knight on 8x8 or 10x10, as it is colour-bound, but I didn't appreciate that the camel's slightly longer reach than a knight gave it slightly, but significantly, greater value than I first thought, namely it's actually worth about 2 pawns (as noted elsewhere by others) if used on such board sizes. As a result, I've slightly edited parts of the Introduction and Notes sections to this game's submission.


💡📝Kevin Pacey wrote on Thu, Dec 15, 2016 10:45 AM EST:

I've edited my previous post somewhat.


💡📝Kevin Pacey wrote on Wed, Dec 14, 2016 11:37 PM EST:

I've revised my estimate of the value of a flying dragon on a 10x10 board to a full six pawns, making it just slightly worth more than a rook on average. I also revised my estimate of the value of a butterfly, making it worth 3 pawns, slightly less than a bishop on average.


💡📝Kevin Pacey wrote on Wed, Dec 14, 2016 05:01 PM EST:

I've corrected my Notes section slightly, in regard to handling a couple of early primitive threats White can make early, from the setup position.


💡📝Kevin Pacey wrote on Sat, Dec 10, 2016 05:49 PM EST:

Note to Fergus:

I've now dealt with refining the various preset submissions I've made that are pending further editorial review (perhaps as best as I can in a couple of cases, for now at least, though I think I did as you requested). That's with the occasional [edited] comment added, too.


💡📝Kevin Pacey wrote on Fri, Dec 9, 2016 08:53 AM EST:

I've (hopefully) slightly corrected the prose description of the Butterfly's move that was added in earlier by Fergus, in that I think I spotted that there's a Camel move (i.e. 1,3) component to the Butterfly's 2 forward-sideways moves move, too, rather than a Knight move (i.e. 1,2) component to those 2 forward-sideways moves. Again hopefully, my wording of that part is sufficiently clear in the submission, at least to those who visit this website.

For those interested in this variant, I'd note that I also very recently submitted a preset for this game, for editorial review.


🕸Fergus Duniho wrote on Wed, Dec 7, 2016 11:19 AM EST:

I modified the first line and added a written description of how the Butterfly moves.


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