Chess960 Extreme (Chess960X)

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EggFighter5000

Hello everyone,

For a while, I’ve been developing what I believe to be a challenging asymmetrical twist on Chess960. Standard chess rules apply; except for the following changes.

Starting Position- Each player’s back ranks are independently randomized. as seen below
These three rules govern the setup.
1. The Kings are the only pieces that have a set starting position on e1 and e8.
2. Each player must have a light and dark squared bishop. Placement doesn't matter.
3. Pawn positions are consistent with standard chess rules.

No Castling:
Traditional castling is removed, adding a new layer of challenge to the game. Without castling, players must rely on creativity and strategic planning to safeguard their King, balancing the asymmetric nature of the randomized starting positions.

Special King Move- One-Time Use
The King can move two squares in any direction in a straight line once per game. This special move can be used strategically at any point during the game. This can used for defensive positioning or offensive tactics, adding a new layer of depth to the game.

1. Capturing
If a Knight is on d4, it can be captured.from b2, b4, b6, d2, d6, f2, f4, and f6.

Similarly, if a Bishop is on d4, it can be captured.from b4, d2, d6, and f4

Finally, If a Rook is on d4, it can be captured.from b2, b6, f2, and f6.

2. Check and Checkmate- The king cannot use this to escape!

All the captures in these example is notated as: 1. K+xd4
If d4 was empty, the notation would be: 1. K+d4

3. Passing through check is not allowed.
If a Rook is on the c-file and the king is on the d-file, the king can not Special Move to the b-file.

Likewise, if a Pawn is on d4, it can be captured.from b4, b6, d2, d6, f4, and f6 BUT not b2, or 
f2.

4. King Tokens- One of each color. These are special King move (K+) indicators which show each player’s ability to use the move.
Placement: Any visible spot that is reachable but not easily disturbed during gameplay.
Dimensions: Suggested size: 4-5 inches tall for visibility.
Customization: Be creative! Make your own using any materials or design you prefer.
Usage: Once a player makes a K+ move, their token is removed. This signifies the move is no longer available to them.

I encourage you all to try this out. All feedback will happily be received and greatly appreciated.
Feel free to post your comments, questions, and your experiences. Also, drop a message if you want.

Thank You
Glen

Nordlandia

Sounds reasonable.

dmc76642
This should be looked into, at least. I heard an interview by Magnus recently, and he was saying that, in 960 chess, a general concept being studind is mirroring moves. At least at first. In regular chess, mirroring moves is considered childish. This variation would eliminate that.
dmc76642
Incidently, it should be called Chess 921,600.
EggFighter5000

Maybe call it chess960 X.. The jury is still deliberating on that happy.png

I started thinking about this variant about 3 weeks ago. Asymmetric chess! It sounded intriguing, sensible, and challenging. After fleshing out the details, and 6 rough drafts later..Voila!!!

Nordlandia

Chess960^2 + random castling flags = 14,745,600

16 possible permutations for castling.

EggFighter5000

I came up with Chess960Extreme>Chess960X>960X

EggFighter5000

How would random castling flags work?

Nordlandia

16 possible permutations as follow.

-

q
kq
K
Kk
Kq
Kkq
Q
Qk
Qq
Qkq
KQ
KQk
KQq
KQkq

You can use a 16 sided die and a dice tower or a 4 sided die to determine the rights of both sides.

Nordlandia

EggFighter5000

Looks cool. That can be a separate variant of your creation. happy.png Maybe call it Dice Tower Chess.

EggFighter5000

Chess960 Extreme>Chess960X>960X is the final name change.. I just listed what I think people might call it.