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Game Reviews by Jose Carrillo

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Chaturanga. The first known variant of chess. (8x8, Cells: 64) [All Comments] [Add Comment or Rating]
Jose Carrillo wrote on 2018-06-22 UTCExcellent ★★★★★

My rating is specific to the Davidson Variation of Chaturanga.

If Davidson was correct (about Kings being able to move into check and to be captured), this would make an interesting alternative evolution story from Chaturanga to Shatranj, which makes a nicer transition story from Chaturanga to Shatranj to Chess.

Chaturanga - Davidson Variation (Rule Enforcing) Presets:

Modern Shatranj. A bridge between modern chess and the historic game of Shatranj. (8x8, Cells: 64) [All Comments] [Add Comment or Rating]
Jose Carrillo wrote on 2016-09-04 UTCExcellent ★★★★★


I find this Shatranj variant very interesting.

I created  preset which enforces the rules:

The only difference in my implementation of the rules is that Pawns can only promote to Generals (to keep more of a 'shatranj-ness' flavour).

There is no queen, but 2 compounds. Missing description (9x9, Cells: 81) [All Comments] [Add Comment or Rating]
Jose Carrillo wrote on 2010-07-21 UTCExcellent ★★★★★
I agree with Carlos, Daniil's proposal is quite interesting...

I would play it on 9x9, it reminds me of Modern Chess (with reverse symmetry).

Of course, Bishops would start up on same color squares. You are using Carlos Cetina's Bishop Conversion Rule to solve that problem.

Two other options you can try are:
- Bishop Adjustment Rule
- Using Ajax Bishops instead of regular Bishops

What do you call this variant? Frolov Chess!


I present: Frolov Chess - Ajax Bishops Variation

With Ajax Bishops (Bishops get an additional one-step non-capturing orthogonal move (Wazir)).

I like the name Chancellor better for the N+R, and ArcBishop for the N+B compound.

Like Ajax Chess, this variation uses reverse symmetry. The initial placement of Chancellor and ArcBishop can be interchanged, but reversed symmetry must be maintained.

Pawns can move one or two steps at any time until reaching (but including) the middle (5th) rank. This will create several new opportunities for en passant captures.

This means that a white pawn at e5 can play e5-e6 or e5-e7; but a white pawn at e6 can only play e6-e7.

Does anyone want to play a game?

Leandro's Chess. You may make a non-capturing move with each of your pieces in one turn, or make a normal capturing move. (8x8, Cells: 64) [All Comments] [Add Comment or Rating]
Jose Carrillo wrote on 2010-07-04 UTCGood ★★★★
This is an interesting twisting rule that can be applied to any variant.

Well done Tony!

HyperModern Shatranj. Missing description (8x8, Cells: 64) [All Comments] [Add Comment or Rating]
Jose Carrillo wrote on 2010-02-04 UTCGood ★★★★
I agree about the confusion regarding the pawns. Probably a copy and paste of rules from the Modern Shatranj page, as not even the pieces in the diagram match the ones in the game in the tournament.

But in the first paragraph it does say that the game uses modern pawn rules (= 2 squares initial move + en passant).

Regarding the Elephant, I wouldn't call it a 'Bishop' like piece that can jump. It's actually an Alfil (that jumps) that can also play like a Ferz.

King to Bunker Leap. King can jump over own pieces to reach 1 of 2 bunker positions in Shuffle Chess or Pre-Chess. (8x8, Cells: 64) [All Comments] [Add Comment or Rating]
Jose Carrillo wrote on 2009-11-05 UTCGood ★★★★
Nice! The Bunker Leap is simple, yet efficient!

I like it!

Do you have any special notation to denote this leap?

i.e. Kd>>g1 or something like that?

I will adapt this rule to my Contemporary Random Chess game, which already features symmetrical castling with the King ending on the b & g squares.

Well done Charles!

Venomous. New system of chess on 10x10 board with new pieces: the Sorcerer Snake and the even more venomous Sissa. (10x10, Cells: 100) [All Comments] [Add Comment or Rating]
Jose Carrillo wrote on 2009-07-05 UTCExcellent ★★★★★
Good to see the Sissa in action again! Love the new symbol for the Sissa!

Very interesting new piece the Sorcerer Snake... It feels like a longer range Knight, yet it's not a leaper, and is a cousin of the Sissa, as the path to it's destination square must be unobstructed.

The Sorcerer Snake's movement is actually easy to learn, and understanding it can make it easier for beginers to learn the more complex movement of the powerful Sissa.

Well done Charles!

PD. Just curious why didn't you also improved the Bishops and made them Wazir-Bishops (since you improved the Knights)?

Courier Chess. A large historic variant from Medieval Europe. (12x8, Cells: 96) (Recognized!)[All Comments] [Add Comment or Rating]
Jose Carrillo wrote on 2008-12-20 UTCExcellent ★★★★★

I love H. G. Muller's missing link theory! Actually makes sense! Even if it's not the case, makes for a nice little story to tell about this game.

This story goes well with the 1508 painting.

Modern Chess. Variant on a 9 by 9 board with piece that combines bishop and knight moves. (9x9, Cells: 81) [All Comments] [Add Comment or Rating]
Jose Carrillo wrote on 2008-03-12 UTCExcellent ★★★★★
Thanks Antoine.

= = =

I just received today in the mail an original Spanish copy of Gabriel Vicente Maura's 1973 3rd edition 'Mathematical Thesis for Modern Chess including the Prime Minister'!!!

I found it in a Library of Antique Books in Madrid, Spain.

Nice little book (it's only 48 pages long).

It has Gabriel Vicente Maura's 'mathematical' explanation of why the chess board needed to be increased in size to 9x9, why a new powerful piece needed to be added to the game, and why that piece needed to be a Prime Minister (Bishop + Knight).

Interesting 'mathematical' theory.

I'll digest it first, and post a summary of his theory.

Jose Carrillo wrote on 2008-03-05 UTCExcellent ★★★★★
Excellent Antoine! Thanks!

Does it enforce that only one Bishop can castle per side?

Janggi - 장기 - Korean Chess. The variant of chess played in Korea. (9x10, Cells: 90) (Recognized!)[All Comments] [Add Comment or Rating]
Jose Carrillo wrote on 2004-06-03 UTCExcellent ★★★★★

Thanks! I can't wait to play Korean Chess in Game Courier!

As an option for the game pieces, maybe you can use the same Chinese
characters you are using for Chinese Chess, but inside octagons, instead
of circles.


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