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1st October
2018

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MatPlus.Net Forum General Chess960 problems?
 
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(21) Posted by Andrew Buchanan [Monday, Apr 23, 2018 20:29]; edited by Andrew Buchanan [18-04-28]

Hi Joost,

 QUOTE 
For (1), h#4 would mean white starts and black delivers mate on his first move, since the conventional party (black) doesn't have the first move. So it should be h#3.5.

The "official joke", Art. 15 isn't anything to do with half-duplex. The player to mate remains the same. In the adversarial genres (d#, s#), the opponent gets an extra single move. In h#, Black loses his first move so it's really set play with no actual play.

However, I agree it's best here as h#3.5, for reasons given.
 
 
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(22) Posted by Siegfried Hornecker [Tuesday, Jun 12, 2018 06:03]

(= 16+16 )

SH, original
Chess960, SPG
 
   
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(23) Posted by Petko Petkov [Tuesday, Jun 12, 2018 09:18]

This is not a legal position according to the rules of Chess-960! Pay attention to one important rule in chess-960: The king must be placed on a square between the rooks!
 
   
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(24) Posted by Frank Richter [Tuesday, Jun 12, 2018 12:48]

I assume, this isn't a starting position, but an end position of a virtual game ... ("SPG")
 
   
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(25) Posted by Petko Petkov [Tuesday, Jun 12, 2018 14:15]

But perhaps there is something unclear!?
 
   
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(26) Posted by Petko Petkov [Tuesday, Jun 12, 2018 16:04]

If the starting position is SQRBBKRS possible is 1.Sh1-g3 Sa8-b6 2.0-0 Qb8-a8 3.Kg1-h1 Rc8-b8 4.Rf1-g1 Sb6-c8 5.Sg3-f1 dia therefore SPG 4,5 (if the white castling is not possible on the first move - in this case there is a dual after 1.0-0).
 
   
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(27) Posted by Siegfried Hornecker [Wednesday, Jun 13, 2018 06:19]

You solved it correctly. Yes, I didn't see that dual.
 
   
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(28) Posted by Andrew Buchanan [Saturday, Jun 16, 2018 18:44]; edited by Andrew Buchanan [18-06-16]

This is sound, but no longer than the previous one.
(= 16+16 )

Original SPG Chess960
C+ Jacobi
 
   
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(29) Posted by Geir Sune Tallaksen Østmoe [Friday, Aug 24, 2018 22:00]

Thanks for all your replies to my original question! Since then, I have composed and published a little Chess960 study.

Geir Sune Tallaksen Østmoe
Aftenposten 2018
(= 5+3 )

Chess960
Win

1.c5 Bxd7 2.0-0-0! Kf8 3.Rxd7! Rxd7 4.c6 Ke7 5.b7 wins.

In standard chess, 2.Rd1 with the same idea would have worked, but here this fails to 2...0-0-0! White has to play 2.0-0-0 so that Black can no longer castle.
 
   
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(30) Posted by seetharaman kalyan [Saturday, Aug 25, 2018 20:09]

I thought in Chess 960 the king still moves two squares only to castle... so for 2. ooo won't the king will move to e1 and the rook to f1.
 
   
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(31) Posted by Kostas Prentos [Sunday, Aug 26, 2018 01:48]

The castling rules in Chess960 are (have to be) special. Check the following link for details: https://en.wikipedia.org/wiki/Chess960
 
 
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MatPlus.Net Forum General Chess960 problems?