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Battle of the Kings is a game information page. It is categorized as: Two dimensional, In a category all its own.

Battle of the Kings. You start with eight pawns. The rest chess pieces appear on the board during the game.

Other Information

The board used for this game has 8 row(s), 8 column(s), 64 cells/squares.
This game is a 2 player game.
Invented in the year 2021. [2020-2022]. [2016-2026].

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Group ID 'battle-of-kings-'

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Credits

By Вадря Покштя.

Comments

Battle of the Kings. You start with eight pawns. The rest chess pieces appear on the board during the game.

H. G. Muller wrote on Sun, Feb 18 03:14 AM EST in reply to Вадря Покштя from 02:32 AM:

I have now overruled the piece values that the Diagram itself would guestimate, and set N=150, B=100, R=50, Q=-10. The Diagram does not yet apply that consistently, though, as it does not take the value of the pieces it unloads into account. I might fix that later.

💡📝Вадря Покштя wrote on Sun, Feb 18 02:32 AM EST:

Thank you very much Mr. H.G. Muller! This is a great tool for those who want to understand the game in more detail.

H. G. Muller wrote on Thu, Feb 15 11:12 AM EST in reply to Gerd Degens from 10:44 AM:

Oops! It was I who had to refresh the cache.

After making this Diagram, I worked on betzaNew.js for allowing comma-separation in the captureMatrix rows. And that patch contained a syntax error that cause rejection of the entire script, so that no Diagram using it would work anymore. I now fixed that syntax error, and uploaded betzNew.js again. After refresh it should work now.

Gerd Degens wrote on Thu, Feb 15 10:44 AM EST in reply to H. G. Muller from 09:56 AM:

Cache refreshed.
Here is the comment in isolation as I see it:

H. G. Muller wrote on Thu, Feb 15 10:03 AM EST in reply to Florin Lupusoru from 07:23 AM:

I don't think so. Wait until the AI figures out the algorithm.

That is correct. This game isn't particularly difficult. It might need a complete retuning of the evaluation, though; normal piece values won't do. The value of a piece depends at least in part on the value of pieces it unloads. And extra absolute royals have huge negative values. Which again strongly suppresses the value of the Queen, which unloads those. An attacked Queen cannot move at all. So the piece values might very well be the reverse of the normal value.

The Dagaz bot sucks (also in Tenjiku Shogi), and that is made even worse here because it does not know extra royals are a liability. It spreads them around with great enthousiasm, and the quickly gets checkmated. This is the game the Interactive Diagram played against the Dagaz bot:

1. c4 h5 2. Nd4 g6 3. Bxg6 fxg6 4. Rc3 Nf8 5. Rb3 Bg8 6. Ra3 Rh8 7. Rxa7 Qh6 8. Ra8 Qg5
9. h4 Qxh4 10. Qe3+ Qf4 11. Qxf4#

(Unfortunately you cannot paste it in the ID, as it doesn't know how to make good move notation in this variant.)

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First Created: Saturday, July 17th, 2021
Last Modified: Friday, August 27th, 2021
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