## Only Chess

###### Caninus Interruptus
02 Aug 10
2 edits

Originally posted by greenpawn34
Let me know if the opportunity to use it in a game crops up. ๐
I was playing a variant chess game called Circe Parrain with my friend Kevin [he loves games with weird rules]. Anyway, he had white and the move:

Mate in 2
Circe Parrain

And wouldn't you know it, he hit me with GP's pattern.

Circe Parrain: After a capture, a piece is immediately reborn on the next move. The rebirth square is on a vector of same distance and direction as the next move. For example, if white plays Rxg2, and black replies ...Bh3-d7, the pawn rebirths on c6, because g2 to c6 is a similar vector as h3 to d7.

02 Aug 10
1 edit

This looks brilliant SG

Can it be done on a PGN thingy
(though I'm pretty sure this one checks for illegal moves).

Can you do a move by move fen to make it clear.

I know I'm a pain but you know I cannot solve these barmy chess problems.

(and I'm preparing a post with another RHP window open ATM)

###### Caninus Interruptus
03 Aug 10

Originally posted by SwissGambit
I was playing a variant chess game called [b]Circe Parrain with my friend Kevin [he loves games with weird rules]. Anyway, he had white and the move:

[fen]8/8/3N1k2/8/4R1R1/7b/5Kp1/8 w - - 0 1[/fen]
Mate in 2
Circe Parrain

And wouldn't you know it, he hit me with GP's pattern.

Circe Parrain: After a capture, a piece is immedi ...[text shortened]... replies ...Bh3-d7, the pawn rebirths on c6, because g2 to c6 is a similar vector as h3 to d7.[/b]
Solution:

Start position

1.Kg1! zugzwang

1...Bxg4

2.Re6[+wRg6], mate

The white rook rebirths on g6, since g4 to g6 is a similar vector as white's move e4 to e6.

04 Aug 10

Keep forgetting to post this.

The sight of your 'silly' pattern triggers this nice queen winning pattern

toet.

###### Fast and Curious
04 Aug 10

Originally posted by greenpawn34
Forgot to add solutions here are all 4 - Cheers Max.

Try it out amongst other players.
It's surpising how often less experinced players get it so quickly
and yet stronger players struggle.

Now you have it, like other patterns you have messed about with,
you will take it to your grave.

Let me know if the opportunity to use it in a game crops ...[text shortened]... RkRN1/8/8/8/8[/fen]

[fen]8/4N3/4R3/4k3/4R3/8/8/8[/fen]

[fen]8/8/4R3/4k3/4R3/4N3/8/8[/fen]
Is that position actually reachable in a game? Don't see how. It puts the king in mate but how would you force that from some previous position?

###### Caninus Interruptus
04 Aug 10

Originally posted by sonhouse
Is that position actually reachable in a game? Don't see how. It puts the king in mate but how would you force that from some previous position?
You can't. It's illegal.

04 Aug 10
2 edits

Originally posted by sonhouse
Is that position actually reachable in a game? Don't see how. It puts the king in mate but how would you force that from some previous position?
1. Nc4-d6+ Kf7-f6 reaches the first position. Unlikely, but legal.

###### Fast and Curious
04 Aug 10

Originally posted by toeternitoe
Keep forgetting to post this.

The sight of your 'silly' pattern triggers this nice queen winning pattern

[fen]8/8/8/8/2qQKr2/8/8/8 w - - 0 1[/fen]

toet.
Of course black can't mate, no king๐

04 Aug 10

Originally posted by sonhouse
Of course black can't mate, no king๐
Q + R are quite able to slay a lone king ๐

toet.

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