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Topic: PKC (Protected King Check) Chess Varient
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EvjenUnited States flag

If KxK, whether protected or not, you "lost your own [king]", so you lost.


As mentioned before, in PKC chess, kings are only allowed to capture unprotected kings.



This is a worse example, since now we have two possible responses:

Ke2
or
Be2 :-P



Once again, you caught my carelessness, and in doing so have shown that you understand PKC chess pretty well (despite your dislike for it,) as I have explained it thus far.
Thus, despite my careless mistakes, there is enough information to understand the rules.
If I had taken more time to analyze the board, I would have realized that if white's bishop was on any of the white squares, it could get the king out of check.

The following diagram is more appropriate than the other 2. White's bishop is on a black square this time:

Flip

Above is a true PKC checkmate.



If it's a stupid idea, what else would matter?


Just because it seems stupid to you does not necessarily mean it does to everyone else.
Everyone is free to chose whether or not to play this or any other chess variant, or to stick with regular chess.
For that matter, they are also free to avoid playing chess altogether.

Anyone who does not like my posts is also free to chose not to read them.

seigneurCanada flag
... choose ... with two o's.

It seems ridiculous to at least two people here, and I'm sure it seems ridiculous to the vast majority of people who actually "know" (to some extent) chess.

I wonder how long we'll have to live with your gibberish... do you intend to stop sometime soon?

whyBishNew Zealand flag
I don't think this variant would change the game much at all. It only really affects the endgame, and only in situations where the kings get close, otherwise everything else is the same. I have few games that would meet such a criteria...

EvjenUnited States flag

It only really affects the endgame, and only in situations where the kings get close...


This is true as I have explained the rules thus far.
Now would be a good time to explain one other thing that should be included in the rules.
(I recently realized that it was a logical extension of the rules I first mentioned.)

First of all, let me review the former rules.
They are the same as those of regular chess with the following exception: kings are not allowed to capture kings that are protected by another piece.
Thus, they may move next to the enemy king if they are protected. (A king is only in check if it can be legally captured, and the protection clause prevents this.)

The object can simply be stated as trying to capture the opponent's king, without losing your own.
Since the king is never actually captured, a more precise definition would be the following:
to attempt to trap the opponent's king in such a way that it cannot avoid capture, and that capturing it would not endanger your own king.

Thinking about the above explanation of the rules, I realized that there are situations in normal chess where a king is in check,
but if the piece actually captured the opposing king, it would endanger its own king, which would violate the above objective of PKC chess.
The highest rule of PKC chess is that a player is not allowed to make a move which would endanger their king.

Consider the following position:

Flip

Above, the white king could be captured by the black bishop, but doing so would allow Black's king to be captured by White's rook.
Therefore, since players are never allowed to make any move which would allow their king to be captured, the white king is not in check.


With these rules, some very interesting situations can arise...

Bellow, White has just checked Black with his queen.

Flip


Black gets out of check by moving Rxa8, and in doing so endangers White's queen! :

Flip

Above, Black is no longer in check, since, if white captured his king, he could then capture White's king.


In the following diagram, by normal chess standards, white would be checkmated, but instead, white can win by moving Qxf2! :

Flip

Note: As Oncupon later recognized, the above diagram is in error. (See the next page for the correction.)


And perhaps strangest of all the possible PKC positions is one such as the following:

Flip

The above position is impossible in regular chess, since both players would be in check at the same time!
However, in PKC chess, neither player is in check since, if either moved to capture the enemy king, they would endanger their own king.

With the above rules, PKC chess would be fairly different than regular chess, even mid game.

(I would appreciate it if people would point out any problems with the above diagrams.)

OnceuponEngland flag

(I would appreciate it if people would point out any problems with the above diagrams.)


Yeah, learn chess notation. It's really very simple. (And this is really tiring.)


In the following diagram, by normal chess standards, white would be checkmated, but instead, white can win by moving [Qf2]!


Doesn't look that way to me.

Seriously, we're not here to correct your continual errors. If you lack the ability to do this yourself, then why should anyone bother to follow your idea in the first place?

Hmm, someone mentioned credibility...

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