Author: Robert Hyatt
Date: 11:21:45 09/17/98
Go up one level in this thread
On September 17, 1998 at 14:03:46, Dan Newman wrote: >On September 17, 1998 at 10:10:37, Roberto Waldteufel wrote: > >> >>On September 16, 1998 at 21:20:31, Serge Desmarais wrote: >> >>>On September 15, 1998 at 17:19:30, Roberto Waldteufel wrote: >>> >>>> >>> >>>>> [snip] >>>> >>>>Hi Bob, >>>> >>>>In fact, the laws of chess are very specific about draw offers. >>>> >>>>1) It is only allowed to offer a draw when it is your turn to play, not while >>>>your opponent is thinking (or searching). >>> >>> >>> >>>In my 1993 FIDE rule, it says you CAN offer a draw on your opponent's time, but >>>if he complains about that to the arbiter, you would get reprimmended. If your >>>opponent accept the draw offer, then it has no consequences. I did not >>>check/know if the FIDE changed this rule? >>> >>> >>>Serge Desmarais >>> >>> >>>[snip] >>> >> >>Hi Serge, >> >>My understanding is that you are not allowed to do this, although it is not >>considered too heinous a misdemeanour. That is why you get a reprimand from the >>arbiter. If you persist in offering draws on your opponent's time, the arbiter >>can be more severe. In fact, if you should offer a draw before moving, your >>opponent has the right to insist on seeing your move before deciding whether or >>not to accept your draw offer. The only correct time to offer the draw is after >>making your move and before pressing your clock. Having made the offer, you >>press your clock and your opponent decides in his time whether or not to accept >>it. >> >>If we are going into detail, the recent changes to the laws introduced a new >>requirement that draw offers must also be recorded in the game score kept by the >>players (by an = after the move). >> >>Best wishes, >>Roberto > >I wonder how this can be handled properly in this autoplayer protocol? >Currently with xboard, if an engine sends a move, xboard immediately >hits the clocks and sends the move to the other side, so we can't now >properly send a draw offer... On the other hand we can send a draw >offer followed by a move. I suppose the draw offer is sent to the >opponent first and then the move. I wonder how many engines take that >move into account before accepting or declining the draw? Perhaps the >"draw" command could have an attached move: draw Nf7+. > >-Dan. I bend the rules here. You are supposed to make a move, offer a draw, and hit the clock. I do all *three* simultaneously... because I send a move, then I send "draw?" and hit the clock, and all three occur within microseconds of each other so that they are effectively done at the same instant. We could add a "press clock" command but that seems stupid. But it would fix the protocol as follows: move Nf7+ draw press clock In this protocol, I don't think it matters. Programs won't (I hope, and this could be an issue maybe) spew out a zillion "draw" offers while the other side is thinking. That *could* affect the other program obviously. ICC solves this for us, but the protocol wouldn't unless we address it. We could disallow draw offers without intervening "move xxx" commands to avoid any possible abuse?
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