Fischer Random Chess

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warriorness
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Fischer Random Chess

Postby warriorness » Thu Jul 12, 2007 11:51 pm UTC

Also known as Chess960 (because there are 960 possible starting positions), FR chess is an attempt to make chess more fair by eliminating the "opening theory" aspect of chess. Each player's pieces are randomized on the back rank (with the constraints that the bishops must be on opposite colors, and there must be one rook on either side of the king), and each player's position is symmetrical. This makes playing already-studied openings virtually impossible, so each opening move will be completely original. Basic principles still hold, however: Protect the king, develop your minor pieces quickly, and control key center squares.

Castling is allowed in FR, and it follows exactly the same rules as in regular chess (can't castle into/out of/through check, if a piece blocks the way, or if you've moved the piece before). A-side castling is still designated by O-O-O and h-side by O-O. Forget about "moving the king two squares towards the rook"; the way to remember the final position is that it's always the same as in regular chess. In a-side castling, the king ends up on the c-file and the rook on the d-file; in h-side, the king is on the g-file and the rook on the f-file.

For more information see FICS's fr_rules help page and Wikipedia's Chess960 page.

The special Forum Chess rules (specified in the other chess threads) still hold:

1) Only valid moves count (follow the thread for castling/en passant/etc; feel free to comment on which state was valid)
2) You cannot play until the board changes position twice since your last turn (corollary 1: you can't make this a one on one game; corollary 2: You can swap sides while playing)
3) Brains only, please

I programmed a FR FEN generator (in java) so whoever starts the next game can use it. The FEN for this game's starting position is: nbnrbqkr/pppppppp/8/8/8/8/PPPPPPPP/NBNRBQKR

Code: Select all

n b n r b q k r
p p p p p p p p
. . . . . . . .
. . . . . . . .
. . . . . . . .
. . . . . . . .
P P P P P P P P
N B N R B Q K R


So, let's get started! 1. d4, black to play.

Code: Select all

n b n r b q k r
p p p p p p p p
. . . . . . . .
. . . . . . . .
. . . P . . . .
. . . . . . . .
P P P . P P P P
N B N R B Q K R
Iluvatar wrote:Love: Gimme the frickin' API.
yy2bggggs, on Fischer Random chess wrote:Hmmm.... I wonder how how a hypermodern approach would work

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UmbrageOfSnow
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Postby UmbrageOfSnow » Fri Jul 13, 2007 3:51 am UTC

1...d5.

Code: Select all

n b n r b q k r
p p p . p p p p
. . . . . . . .
. . . p . . . .
. . . P . . . .
. . . . . . . .
P P P . P P P P
N B N R B Q K R
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yy2bggggs
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Postby yy2bggggs » Fri Jul 13, 2007 3:58 am UTC

UmbrageOfSnow wrote:

Code: Select all

n b n r b q k r
p p p . p p p p
. . . . . . . .
. . . p . . . .
. . . P . . . .
. . . . . . . .
P P P . P P P P
N B N R B Q K R
c3

Code: Select all

n b n r b q k r
p p p . p p p p
. . . . . . . .
. . . p . . . .
. . . P . . . .
. . P . . . . .
P P . . P P P P
N B N R B Q K R

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warriorness
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Postby warriorness » Fri Jul 13, 2007 4:02 am UTC

yy2bggggs wrote:

Code: Select all

n b n r b q k r
p p p . p p p p
. . . . . . . .
. . . p . . . .
. . . P . . . .
. . P . . . . .
P P . . P P P P
N B N R B Q K R


2. ...Bb5

Code: Select all

n b n r . q k r
p p p . p p p p
. . . . . . . .
. b . p . . . .
. . . P . . . .
. . P . . . . .
P P . . P P P P
N B N R B Q K R
Iluvatar wrote:Love: Gimme the frickin' API.
yy2bggggs, on Fischer Random chess wrote:Hmmm.... I wonder how how a hypermodern approach would work

imMAW
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Postby imMAW » Wed Jul 18, 2007 5:08 pm UTC

3. Nd3

Code: Select all

n b n r . q k r
p p p . p p p p
. . . . . . . .
. b . p . . . .
. . . P . . . .
. . P N . . . .
P P . . P P P P
N B . R B Q K R

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yy2bggggs
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Postby yy2bggggs » Thu Jul 19, 2007 5:35 am UTC

imMAW wrote:

Code: Select all

n b n r . q k r
p p p . p p p p
. . . . . . . .
. b . p . . . .
. . . P . . . .
. . P N . . . .
P P . . P P P P
N B . R B Q K R
e6

Code: Select all

n b n r . q k r
p p p . . p p p
. . . . p . . .
. b . p . . . .
. . . P . . . .
. . P N . . . .
P P . . P P P P
N B . R B Q K R
White to play.

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warriorness
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Postby warriorness » Thu Jul 19, 2007 7:54 am UTC

yy2bggggs wrote:e6

Code: Select all

n b n r . q k r
p p p . . p p p
. . . . p . . .
. b . p . . . .
. . . P . . . .
. . P N . . . .
P P . . P P P P
N B . R B Q K R
White to play.

Code: Select all

n b n r . q k r
p p p . . p p p
. . . . p . . .
. b . p . . . .
. . . P . . . .
. . P N . P . .
P P . . P . P P
N B . R B Q K R


f3, Black's turn
Iluvatar wrote:Love: Gimme the frickin' API.
yy2bggggs, on Fischer Random chess wrote:Hmmm.... I wonder how how a hypermodern approach would work

imMAW
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Location: Chicago
Contact:

Postby imMAW » Thu Jul 19, 2007 8:47 pm UTC

warriorness wrote:

Code: Select all

n b n r . q k r
p p p . . p p p
. . . . p . . .
. b . p . . . .
. . . P . . . .
. . P N . P . .
P P . . P . P P
N B . R B Q K R



4 ...Nb6

Code: Select all

. b n r . q k r
p p p . . p p p
. n . . p . . .
. b . p . . . .
. . . P . . . .
. . P N . P . .
P P . . P . P P
N B . R B Q K R

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patzer
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Re:

Postby patzer » Tue Sep 12, 2017 3:46 am UTC

5. e4

Code: Select all

. b n r . q k r
p p p . . p p p
. n . . p . . .
. b . p . . . .
. . . P P . . .
. . P N . P . .
P P . . . . P P
N B . R B Q K R
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