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NEW! This item is a game information page
It belongs to categories: Orthodox chess, 
It was last modified on: 2019-06-24
 By LUCIO JOSE  FILHO. Turnover. Three ring sizes fit into each other, combining and splitting into different pieces, sometimes taking over your opponent's.[All Comments] [Add Comment or Rating]
Ben Reiniger wrote on 2019-06-25 UTC

I agree that this looks interesting.

I've moved the discussion over from the homepage to comments here.  I've made the link description more descriptive, and corrected some of the categories (your choices were understandable, but most of them mean something different here; something we should clarify).  The formatting of this page should be cleaned up; I can do it later if you're not up to it.


LUCIO JOSE FILHO wrote on 2019-06-24 UTC

[I'm intrigued and it looks cool, but confused by the knight being a bishop + pawn.  I suppose so many things are breaking apart and coming back together that its value doesn't have to always match the sum of its parts.  Maybe the knights are used at opportunistic times only?  Shout out to Furgus Duniho for the very similar Fusion Chess, but I'll grant that this adds pawns into the mix (and I love how the openings play out), and I also like the visual simplicity of literally adding the rings together.]

Turnover, like chess, goes beyond a simple game, it has esoteric symbolisms. Castle made by 3 pieces has the symbolism of number 3. Keep board with 8x8 squares has the symbolism of number 7 and tetraktis 4+3+2+1 etc. Bishop is the magical or spiritual piece of chess, and it moves like a cross to bring a lot of other symbolisms that confirms the esoteric value of chess. Bishop + Pawn = knight because it is a man (pawn) with power (spiritual power from bishop), so in medieval battle, knights is it, a man mounted in a horse is much more stronger.

 

If you play the game, you will realise its difference on tactics, because you are sharing pieces with opponent. It create a kind of statu quo between pieces and it is really interesting. New players of course will play trash matches, but good turnover players can make passionate matches, and I swear, is really almost impossible to draw in Turnover, because this game is very offensive. So, yes, is very dangerous create knights, because bishops are very useful and when you move a knight you let behind a bishop and the opponent can think a strategy to take your bishop.

About simplicity, the game uses only 3 pieces, a magical number and a strong algorithm to the way human mind works. So when you are playing the game, seems all possible moves from all pieces on board can be visualized in your mind and it is good, because your mind can dedicate more time to think what move instead of recognize pieces first to think what move after. And your mind stress less then in chess.

Play Turnover: 

Player vs computer: https://glukkazan.github.io/checkmate/turnover.htm

Player vs player: https://glukkazan.github.io/checkmate/turnover-board.htm

 


LUCIO JOSE FILHO wrote on 2019-06-24 UTC
  • Pawn moves ahead one square and take diagonal forward one square. Pawn turnover ahead one square.
  • Yes, is illegal to split up your last Castle, but if you have the last castle in check and it can turnover a queen ahead to get free from check so you can do it.
  • Good question. Capture the opponent's last Castle by splitting up your own last Castle is a illegal move, because the result is no castles on board.
  • "Does a promotion reset the 50-move counter?" It works like it on traditional chess? I don't know, but seems interesting question, I vote to reset :)
  • "Does combining friendly pieces count as a turnover, for resetting the 50-move count?" No. Combining friendly pieces is not turnover, because a turnover is a take possession, like turnover in american football.

This item is a contest or tournament
It belongs to categories: Orthodox chess, 
It was last modified on: 2019-02-16
 By Greg  Strong. Game Courier Tournament 2019. Chess Variant Tournament to be played on Game Courier.[All Comments] [Add Comment or Rating]
Carlos Cetina wrote on 2019-06-23 UTC

Thanks. Good luck to everyone!


Greg Strong wrote on 2019-06-23 UTC

The games for round 2 have been assigned.  Enjoy :)


This item is an unknown type!
It belongs to categories: Orthodox chess, 
It was last modified on: 2015-04-10
 Author: Fergus  Duniho. Game Courier Ratings. Calculates ratings for players from Game Courier logs. Experimental.[All Comments] [Add Comment or Rating]
Kevin Pacey wrote on 2019-06-22 UTC

I like that the default Status Filter for the Ratings page has been changed (by Ben) to Only Rated Games (rather than All Public Games). I think this is the way it should always have been, though I never got around to making a post suggesting such a change.


This item is a contest or tournament
It belongs to categories: Orthodox chess, 
It was last modified on: 2019-02-16
 By Greg  Strong. Game Courier Tournament 2019. Chess Variant Tournament to be played on Game Courier.[All Comments] [Add Comment or Rating]
Carlos Cetina wrote on 2019-06-20 UTC

OK... Thanks!


Greg Strong wrote on 2019-06-20 UTC

Ok, sounds good.  I will assign the games for round 2 on Saturday afternoon.


Carlos Cetina wrote on 2019-06-20 UTC

Greg:

I think we could start the next round since the result of my Colossus game vs Fergus is practically decided, regardless of the bug in the preset program.   


This item is a play-by-email page
It belongs to categories: Orthodox chess, 
It was last modified on: 2016-04-04
 Author: Charles  Daniel and Fergus  Duniho. Inventor: Charles  Daniel. Colossus. 10x10 chess with 4 Rooks, 4 Knights, 4 Bishops, 10 Pawns, 1 Queen and 1 King![All Comments] [Add Comment or Rating]
Carlos Cetina wrote on 2019-06-20 UTC

Fergus:

To help you spot the bug that is in our Colossus game here is part of the program:

Syntax Error on line 673

 658 MOVE: r i3-j3
 659 postauto2
 660 moveindex 146
 661 MOVE: B h1-j3
 662 postauto1
 663 moveindex 147
 664 MOVE: q g3-j3
 665 postauto2
 666 set posvar join "b" join fencode boardflags
 667 if >= var #posvar 3
 668   say Three Times Repetition! Drawn Game!
 669   drawn
 670 elseif sub stalemated #K
 671   if sub checked #K
 672     say Checkmate! Black has won!
 673     won:
else:
say Stalemate! The game is drawn.
 674     drawn
 675   endif
 676 elseif >= #nopvc 100
 677   say Fifty Moves Without Moving a Pawn or Capturing! Game Drawn!
 678   drawn
 679 elseif sub checked #K
 680   say Check!
 681 endif
 682 end

I understand the problem is the two points after the "won" word.

 


Carlos Cetina wrote on 2019-06-20 UTC

There is a bug that prevents to make 66... Qxj3# 

A message appears saying "Syntax Error on line 673 ..."


This item is a game information page
It belongs to categories: Orthodox chess, 
It was last modified on: 2001-04-07
 By Fergus  Duniho. Fusion Chess. Variant in which pieces may merge together or split apart. (8x8, Cells: 64) [All Comments] [Add Comment or Rating]
H. G. Muller wrote on 2019-06-19 UTC

I share the concern of Joseph DiMuro: this game should not be winnable except against the most incompetent of players. It would need some rule that you cannot move a royal slider through check, like in Caissa Brittannia, to make it a serious game.


NEW! This item is a game information page
It belongs to categories: Orthodox chess, 
It was last modified on: 2019-06-24
 By LUCIO JOSE  FILHO. Turnover. Three ring sizes fit into each other, combining and splitting into different pieces, sometimes taking over your opponent's.[All Comments] [Add Comment or Rating]
H. G. Muller wrote on 2019-06-19 UTC

Indeed, the particular combinations of rings that you have at any moment is not really preserved for a long time, nor hard to improve when sub-optimal. Piece values only have meaning in more conventional chess games because you typically will be stuck with a piece for a very long time, possibly to the end of the game, and if you have a weaker piece there is not much you can do to trade it for something more valuable. Here the actual combination is more like a positional advantage. Temporarily having the Bishop lose its moves by combining it with a Pawn is similar to blocking a good diagonal for a Bishop with a Pawn in orthodox Chess. (The Bishop might keep some of its other moves in that case, but here the 'Pawn' will temporarily acquire Knight ability, which should provide even better compensation.)

Yet you probably would not strive for combining your own Bishops with a Pawn. But remember that you can also 'turnover' an enemy Bishop by merging it with your Pawn, and that would be extremely advantageous, as now it is the opponent that loses the Bishop, and won't get it back when you split them up again. It would in fact be pretty hard for him to get it back at all. So it is really the value of the individual rings that play the role of piece values here.


Jeffrey T. Kubach wrote on 2019-06-19 UTC

I'm intrigued and it looks cool, but confused by the knight being a bishop + pawn.  I suppose so many things are breaking apart and coming back together that its value doesn't have to always match the sum of its parts.  Maybe the knights are used at opportunistic times only?  Shout out to Furgus Duniho for the very similar Fusion Chess, but I'll grant that this adds pawns into the mix (and I love how the openings play out), and I also like the visual simplicity of literally adding the rings together.


H. G. Muller wrote on 2019-06-19 UTC

Looks like an interesting game, although I am not sure it qualifies as a chess variant. Could you explain the rules? They are not on a pubicly accessible website, in so far I could find.

[Edit] Oh, I found a description in a PDF file on Google Drive. Some things are not yet clear to me, though:

  • It says the Pawn only moves one step. But is this only forward, or can it also move backward, when going to an empty square?
  • It says the win is by taking or turning all enemy Castles. But Castles can also be destroyed by their owner, through splitting them up. Which is neither taking nor turning.) Is it illegal to split up your last Castle?
  • What if I capture my opponent's last Castle by splitting up my own last Castle? Is this allowed? And if not, who would be at fault? Is it more forbidden to split up the last Castle, or more forbidden to move into its capture range?
  • Does a promotion reset the 50-move counter?
  • Does combining friendly pieces count as a turnover, for resetting the 50-move count?

LUCIO JOSE FILHO wrote on 2019-06-19 UTC

Check it up and add Turnover Chess Variant on your site:

https://instagram.com/boardgameturnover/

https://www.facebook.com/BoardGameTurnover/


This item is one or more photographs
It belongs to categories: Orthodox chess, 
It was last modified on: 2003-05-10
 Author: John  Lawson. Tai Shogi pictures. Photos of a commercially available Tai Shogi set.[All Comments] [Add Comment or Rating]
H. G. Muller wrote on 2019-06-19 UTC

George sadly passed away many years ago, but his widow Angela Hodges is still selling the stuff at that e-mail address. Not sure if they also did Taikyoku Shogi, though.

What, in your opinion, makes it fun to play Tai Shogi? I have never actually played it, but it has always struck me as an extremely tedious variant. it has a royal that is so powerful there is really no hope to catch it short of completely exterminating its army first. And that contains hundreds of pieces. You can ask for a price list.


Emily Taylor wrote on 2019-06-18 UTCExcellent ★★★★★

Very good stuff. I have seen one of these before in person while in Japan and was amazed. Beautiful and fun to play variant. I really like the Taikyoku shogi. I wonder if that george guy makes those too, or even makes these still. 


This item is an unknown type!
It belongs to categories: Orthodox chess, 
It was last modified on: 2015-04-10
 Author: Fergus  Duniho. Game Courier Ratings. Calculates ratings for players from Game Courier logs. Experimental.[All Comments] [Add Comment or Rating]
Kevin Pacey wrote on 2019-06-18 UTC

I can get the Ratings for just standard Chess now. I was using the wildcard (%) before when using the filter on the GC Ratings Page itself, and that caused the problem of too many games & players showing up. Before now I had no idea of the significance of the (%) symbol, fwiw.


Ben Reiniger wrote on 2019-06-18 UTC

I've fixed the header menu to point Ratings and Logs of a game to the correct locations.

The script here used `gamewcp` ("wild-card pattern", I assume), but at least some links are using `game` as request variables.  For now, rather than track down all usages, I've just allowed `game` to override `gamewcp`.

I've also changed the default Status Filter to Only Rated Games.

(This is in response to a few messages here.)

Also, @Kevin, I still can't recreate the problem with including all logs.  Using the game filter Chess shows only a few games per person, with Carlos at the high 40 and a few others in the teens.  Are you removing the wildcard (`%`)?


This item is an unknown type!
It belongs to categories: Orthodox chess, 
It was last modified on: 2003-01-05
 By Fergus  Duniho. Game Courier. Missing description[All Comments] [Add Comment or Rating]
Kevin Pacey wrote on 2019-06-17 UTC

Hi Ben

Well, when I enter 'Chess' into the form, I get almost/all the names of people on the complete Ratings Page for Public Ratings, including some people having played well over 100 games (as would be also expected for the complete Ratings Page for Public Ratings). Presumably 'Chess' includes results for not just for standard Chess, but also e.g. Alice Chess (or any CV name with the word Chess in it).


Ben Reiniger wrote on 2019-06-17 UTC

The menu-generated links to Ratings should be updated to include `/play/`, but inserting that myself still doesn't seem to pass the game parameter to the rating script.  I can try to fix this later if no one else gets to it.

On the other hand, directly entering 'Chess' in the form produces what seem to be reasonable numbers...?


Kevin Pacey wrote on 2019-06-17 UTC

Somehow I get an error message when I try to look up Ratings for [the standard game of] Chess, e.g. when I look on 'Related Pages' when looking at the GC preset page for chess (with rules enforced by the preset). If I alternatively use the filter on the general Game Courier Ratings page and type in 'Chess', I get a result with far too many games for just the games of the standard game of Chess to having been searched for by the filter. Is there a trick to get ratings for (just) games played of the standard game of Chess that I'm missing?


This item is a game information page
It belongs to categories: Orthodox chess, 
It was last modified on: 2019-01-28
 By Jeffrey T.  Kubach. 8-Piece Chess. (Queen's Army chess, all 8 Back Rank Pieces different).[All Comments] [Add Comment or Rating]
Jeffrey T. Kubach wrote on 2019-06-14 UTC

erik I'll look into creating one.  I'm admittedly not too familiar with Game Courier.  At the moment, for online playing I've been using a "sandbox" environment without rule enforcement.  I'd be happy to work something out so we can play a game (or if necessary, even using a video stream of the board, with moves entered in the chat box or something).  If you find anyone on your end interested in playing over the board, I'd love to know how the game went (try to record it!)


erik wrote on 2019-06-14 UTC

This game looks interesting. It would be good if it had a Game Courier preset.


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