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 Chess variants (10x8)

Sam has closed his piano and gone to bed ... now we can talk about the real stuff of life ... love, liberty and games such as
Janus, Capablanca Random, Embassy Chess & the odd mention of other 10x8 variants is welcome too


For posting:
- invitations to games (you can also use the New Game menu or for particular games: Janus; Capablanca Random; or Embassy)
- information about upcoming tournaments
- disussion of games (please limit this to completed games or discussion on how a game has arrived at a certain position
... speculation on who has an advantage or the benefits of potential moves is not permitted while that particular game is in progress)
- links to interesting related sites (non-promotional)


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28. 三月 2003, 16:30:10
Grim Reaper 
题目: Re: The B+N Database Setups
I do not know what the exact position is as of yet, but when I do, yes, I will play the losing side of sole king, and everyone else will play the strong side with B+N. We may switch sides if they want a demonstration of the winning technique. I am still a ways from this. I just ran a test last night on the code to make sure everything is in place.

In the 37,957,920 positions in the database, only 9,489,480 are unique, the others are reflections and rotations. I ran the test over all of them just to make sure.

It found 532 checkmates and 17,576 stalemates. These results are both encouraging since they are a multiple of 4, and the board will produce 4 mirrors of every pawnless endgame in Gothic Chess.

I can reduce the size of the database by 400% when I get a more sophisticated lookup scheme, but for now, I just want to compute the data.

It took 15 seconds to do this first pass, which is the quickest pass. Each subsequent pass will take about 1 minute with database lookups and move generation. So, once everything is in place, it will only take about an hour to solve the database.

Then I have to write the code to look it up and translate the best move to a move on the board.

29. 三月 2003, 01:38:11
WhisperzQ 
题目: Re: The B+N Database Setups
I guess for us pawns that we will only need one slot free for when the tournament begins. Is that right Fencer?

29. 三月 2003, 02:22:58
ChessCarpenter 
题目: Re: The B+N Database Setups
I would like to enter the tournament...but I need to know what day and time?

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