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Comments by SamTrenholme

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Wildbeest ZIP file. Variant on an 10 by 11 board with extra jumping pieces.[All Comments] [Add Comment or Rating]
Sam Trenholme wrote on Wed, Mar 22, 2006 07:48 PM EST:
This file is missing from the chessvariants.org server. I have a 2002 backup of the file here. Editors: You may want to recover this file from your own backups of the server.

Wild Jokers ZIP file. 7 by 7 board with 8 pits and various pieces, including jokers that can make successive jumps across pit.[All Comments] [Add Comment or Rating]
Sam Trenholme wrote on Wed, Mar 22, 2006 07:50 PM EST:
This file is missing from the chessvariants.org server. I have a 2002 backup of the file here. Editors: You may want to recover this file from your own backups of the server.

Weak Square of the Jumping King ZIP file. Kings start jumping around, dropping the other pieces on a board with 38 squares.[All Comments] [Add Comment or Rating]
Sam Trenholme wrote on Wed, Mar 22, 2006 07:51 PM EST:
This file is missing from the chessvariants.org server. I have a 2002 backup of the file here. Editors: You may want to recover this file from your own backups of the server.

Wizard Chess ZIP file. Variant on 12 by 7 board with fantasy pieces (includes Advanced Wizard Chess).[All Comments] [Add Comment or Rating]
Sam Trenholme wrote on Wed, Mar 22, 2006 07:53 PM EST:
This file is missing from the chessvariants.org server. I have a 2002 backup of the file here. Editors: You may want to recover this file from your own backups of the server.

Wizard's War ZIP file. Game with piece-creating Wizards and a board divided into arena and enchanted sections.[All Comments] [Add Comment or Rating]
Sam Trenholme wrote on Wed, Mar 22, 2006 07:54 PM EST:
This file is missing from the chessvariants.org server. I have a 2002 backup of the file here. Editors: You may want to recover this file from your own backups of the server.

Wormhole Chess ZIP file. When a piece leaves a square, it `folds' together.[All Comments] [Add Comment or Rating]
Sam Trenholme wrote on Wed, Mar 22, 2006 07:55 PM EST:
This file is missing from the chessvariants.org server. I have a 2002 backup of the file here. Editors: You may want to recover this file from your own backups of the server.

Xhess ZIP file. Decimal variant with Nightriders and Cannons.[All Comments] [Add Comment or Rating]
Sam Trenholme wrote on Wed, Mar 22, 2006 07:56 PM EST:
This file is missing from the chessvariants.org server. I have a 2002 backup of the file here. Editors: You may want to recover this file from your own backups of the server.

Xiangqi 42 ZIP file. A minature version of Xiangqi (Chinese Chess) on 42 square.[All Comments] [Add Comment or Rating]
Sam Trenholme wrote on Wed, Mar 22, 2006 07:58 PM EST:
This file is missing from the chessvariants.org server. I have a 2002 backup of the file here. Editors: You may want to recover this file from your own backups of the server.

Ximeracak ZIP file. A fantasy variant designed for play with a standard set. (8x8, Cells: 64) [All Comments] [Add Comment or Rating]
Sam Trenholme wrote on Wed, Mar 22, 2006 07:59 PM EST:
This file is missing from the chessvariants.org server. I have a 2002 backup of the file here. Editors: You may want to recover this file from your own backups of the server.

Yang Qi ZIP file. Yankee ingenuity adds new power to Chinese Chess.[All Comments] [Add Comment or Rating]
Sam Trenholme wrote on Wed, Mar 22, 2006 08:00 PM EST:
This file is missing from the chessvariants.org server. I have a 2002 backup of the file here. Editors: You may want to recover this file from your own backups of the server.

Y ZIP file. Yankee ingenuity adds new power to Chinese Chess.[All Comments] [Add Comment or Rating]
Sam Trenholme wrote on Wed, Mar 22, 2006 08:01 PM EST:
This file is missing from the chessvariants.org server. I have a 2002 backup of the file here. Editors: You may want to recover this file from your own backups of the server.

Zelda Chess ZIP file. Sword-wielding pieces capture adjacent pieces with or without moving.[All Comments] [Add Comment or Rating]
Sam Trenholme wrote on Wed, Mar 22, 2006 08:02 PM EST:
This file is missing from the chessvariants.org server. I have a 2002 backup of the file here. Editors: You may want to recover this file from your own backups of the server.

Ziggurat ZIP file. Mesopotamian-themed variant on a 43 square board.[All Comments] [Add Comment or Rating]
Sam Trenholme wrote on Wed, Mar 22, 2006 08:03 PM EST:
This file is missing from the chessvariants.org server. I have a 2002 backup of the file here. Editors: You may want to recover this file from your own backups of the server.

Proto-Chaturanga ZIP file. A seminal so-called "Indo-Persian" game with only King and Pawns.[All Comments] [Add Comment or Rating]
Sam Trenholme wrote on Wed, Mar 22, 2006 08:06 PM EST:
This file is missing from the chessvariants.org server. I have a 2002 backup of the file here. Editors: You may want to recover this file from your own backups of the server.

Symchess. Missing description (10x10, Cells: 100) [All Comments] [Add Comment or Rating]
Sam Trenholme wrote on Wed, Mar 22, 2006 08:58 PM EST:
Would it be helpful for me to whip up a Zillions rule file for this game (and all of the variants we have mentioned) to get a feel for how it plays?

- Sam


Duggan's Fantasy Chess (revised). Revised and Improved version of fantasy chess variant.[All Comments] [Add Comment or Rating]
Sam Trenholme wrote on Wed, Mar 22, 2006 09:48 PM EST:
This file is missing from the chessvariants.org server; I have obtained a copy from the Web archive which I have copied and placed here. Editors: You may wish to recover this file from backups.

Warp Point Chess. Knights are replaced by Warp Points that other pieces can move between.[All Comments] [Add Comment or Rating]
Sam Trenholme wrote on Wed, Mar 22, 2006 09:50 PM EST:
This file is missing from the chessvariants.org server; I have obtained a copy from the Web archive which I have copied and placed here. Editors: You may wish to recover this file from backups.

Wolf Chess. Half-century old variant on 8 x 10 board with many unusual pieces.[All Comments] [Add Comment or Rating]
Sam Trenholme wrote on Wed, Mar 22, 2006 09:51 PM EST:
This file is missing from the chessvariants.org server; I have obtained a copy from the Web archive which I have copied and placed here. Editors: You may wish to recover this file from backups.

Xhetrast. A conservative Contrast version of Xhess.[All Comments] [Add Comment or Rating]
Sam Trenholme wrote on Wed, Mar 22, 2006 09:52 PM EST:
This file is missing from the chessvariants.org server; I have obtained a copy from the Web archive which I have copied and placed here. Editors: You may wish to recover this file from backups.

N-Relay Chess. Uncapturable Knights give other pieces the ability to move as Knights.[All Comments] [Add Comment or Rating]
Sam Trenholme wrote on Wed, Mar 22, 2006 09:54 PM EST:
This file is missing from the chessvariants.org server; I have obtained a copy from the Web archive which I have copied and placed here Editors: You may wish to recover this file from backups.

[Subject Thread] [Add Response]
Sam Trenholme wrote on Wed, Mar 22, 2006 10:06 PM EST:
I have, via a combination of going through my own backups and getting a few files from the Web archive, managed to recover all but four of the missing Zillions' games which were lost during the big move last year.

The four games that are still missing are:

  1. Russian Symmetrical Chess
  2. Voidrider Chess
  3. Zip Chess
  4. Zone X
I have added a link to the recovered file in the comments section for all 26 other missing files.

If anyone has copies of these still-missing files, let me know by replying to this comment.

- Sam


Sam Trenholme wrote on Thu, Mar 23, 2006 12:43 AM EST:
Larry,

There's a pretty good chance that some chessvariants.org editor has this file somewhere on a backup tape. It's also possible some other reader of the site has a download on their hard disk. I'd wait a while before resorting to re-writing the .zrf file.

- Sam


Chess Variant Pages Rating System. Missing description[All Comments] [Add Comment or Rating]
Sam Trenholme wrote on Fri, Mar 24, 2006 12:16 PM EST:
I only rate a game poor if the game's rules do not adequately describe how to play the game in question. Sometimes, someone has a half-baked idea for a variant, and they don't take the time or energy to even fully describe the variant, much less make a Zillions ZRF or Game Courier preset for the variant. If a game is fully fleshed out, or has a Zillions rule file, or even a game courier preset, I will plain simply not rate the game poor.

If I think there is an issue with the mechanics of a fully described game, I will discuss my issue in an unrated game comment. This gives me an opportunity to discuss whether my concern is really a legitimate concern with other chessvariant.org editors and the game's inventor. I will usually suggest how I would fix the game when bringing up the concern. As just one example, I feel Hex chess may have problems. The consensus, however, is that these are probably not legitimate concerns.

Speaking of Game Courier, could someone please index my game courier preset for my take on Carrera chess.

- Sam


Game Courier. PHP script for playing Chess variants online.[All Comments] [Add Comment or Rating]
Sam Trenholme wrote on Tue, Mar 28, 2006 09:08 PM EST:
Update: Fixed. Thanks, Fergus.

Capablanca Random Chess. Randomized setup for Capablanca chess. (10x8, Cells: 80) [All Comments] [Add Comment or Rating]
Sam Trenholme wrote on Wed, Apr 5, 2006 12:42 AM EDT:
Richard,

Here is some information I have on the value of the Carrera pieces which I came up with when designing my own Carrera-esque opening setup:

Here is a table of four different derived values for the pieces, obtained from three different chess variant playing computer programs and one other source.

PieceChessVSMIRFZillionsAberg
Pawn 1.0001.0001.0001.000
Knight 2.5003.0562.3623.000
Bishop 3.2503.6902.8593.300
Rook 4.7005.6044.2625.000
Queen 8.7509.5587.0609.000
Archbishop 6.5006.8385.1276.800
Marshall 8.2508.8326.6598.700

The ChessV numbers were obtained by looking at the source code for ChessV. The SMIRF values, derived by Reinhard Scharnagl for his SMIRF chess computer program, were obtained from this web page. The Zillions of Games' values were obtained by looking at the values of pieces by right-clicking on them after loading a fresh Schoolbook zrf file, and before moving any pieces. Aberg's figures come from right here on the variants server.

All four agree on the following:

  • A bishop is about a half-pawn more valuable than a knight.
  • Two knights are worth more than a rook.
  • An archbishop is worth more than two knights.
  • A marshall is worth more than an archbishop.
  • A queen is worth more than a marshall.
  • Two rooks are worth more than a queen.
  • A marshall is worth more than a rook and knight.
  • A marshall is worth more than two bishops.
  • A rook and knight are worth more than an archbishop.
The verdict is still out on some other exchanges:
  • A rook and bishop vs. a queen.
  • A rook and bishop vs. a marshall.
  • A bishop and knight vs. an archbishop.
  • Two bishops vs. an archbishop (Two bishops are probably worth more).
- Sam

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