[Retros] Are the King and the Rook pieces or what?

A J Mestel A.J.Mestel at damtp.cam.ac.uk
Thu Jan 31 04:31:33 EST 2008

PS I forgot to mention the BK is on f3. Sorry. J

On Thu, 31 Jan 2008, A J Mestel wrote:

> You could not make me castle rather than play Kf1 if I accidentally played

> 1 Kg1. However, if I played 1 Rf1 and stopped (pressed my clock) I don't

> think I would be allowed to rectify my mistake saying I meant to castle.


> If I play Kg1 and press my clock that counts as an illegal move and I must

> make any K move, including 0-0-0 I suppose.


> So here's my contribution:


> W Ke1 Rh1 Qd4 Rg5 I play 1 Rf1 (intending to castle) but the game is over

> because it's mate...or is it? My move isn't complete, but how do you know

> that? I don't have to press my clock after a mating move, but until I do

> my move isn't complete...


> Every now and again they change the rules so that you have to move your

> king first when castling, but then they change it back.


> Jonathan




> On Wed, 30 Jan 2008, raosorio at fibertel.com.ar wrote:


>> Dear retrofirends,


>> Many thanks for the clever discussions on this point. These are very

>> useful to

>> clarify my mind in the project which I'm involved toghether with Sergio

>> Orce and

>> Jorge Lois (Peña del Mate de Ayuda, Argentine Chess Club).


>> this project would be to define "Minimal Deviation from the Rules" (MDR)

>> as an extended

>> space for compositions where a last (and just last ) illegal move in the

>> diagram is

>> accepted. This illegal move would be of MDR type (say, geometrically

>> correct) and

>> the problems would create puzzles and paradoxes to find that move and its

>> consequences.

>> all the above strcictly contained in the CODE.


>> A furhter question on the castling case. I the wK is standing on e1 and a

>> wR on h1, castling

>> is legal and posible but the player conducing the white side moves the

>> King to g1 and that's

>> it, he stops there. This move is illegal, but it's also a half legal move.

>> Is white forced to move

>> the king freely or he's forced to castle?


>> Best,

>> Roberto



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