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Definitive rules of chess - 80 minute format and slow game

Posted: Wed Feb 29, 2012 10:55 am
by David Heath
I play in the Hertfordshire League Chess League and find that I am unable to discover the precise rules of chess both for the 80 minute format and what we sometimes call the SLOW game i.e 35 moves in 75 minutes and thereafter 7 moves per extra 15 minutes.

To give an example: in the 80 minute format (sometimes called quick play) if say White's flag falls first but White has a Queen and King vs. a sole Black King this is adjudicated a DRAW despite the fact that White has run out of time. HOWEVER, there are also other situations in which the result maybe adjudged a DRAW despite running out of time. Most palyers automatically assume that if the flag falls, the other player wins.

I have checked on varous websites but cannot find these rules. Could someone point me in the right direction so that I could download them?

Re: Definitive rules of chess - 80 minute format and slow ga

Posted: Wed Feb 29, 2012 11:27 am
by Roger de Coverly
David Heath wrote: I have checked on varous websites but cannot find these rules. Could someone point me in the right direction so that I could download them?
The FIDE laws of chess are here
http://www.fide.com/fide/handbook.html? ... w=category

You might particularly wish to study Appendix D which I will quote in full
D. Quickplay finishes where no arbiter is present in the venue

D.1 Where games are played as in Article 10, a player may claim a draw when he has less than two minutes left on his clock and before his flag falls. This concludes the game.
He may claim on the basis:

that his opponent cannot win by normal means, and/or
that his opponent has been making no effort to win by normal means.

In a) the player must write down the final position and his opponent verify it.
In b) the player must write down the final position and submit an up to date scoresheet. The opponent shall verify both the scoresheet and the final position.
The claim shall be referred to an arbiter whose decision shall be final.
In a tournament with arbiters deemed present, the relevant paragraphs are in the main rule set.
Article 10: Quickplay Finish

10.1 A ‘quickplay finish’ is the phase of a game when all the (remaining) moves must be made in a limited time.
10.2 If the player, having the move, has less than two minutes left on his clock, he may claim a draw before his flag falls. He shall summon the arbiter and may stop the clocks. (See Article 6.12.b)
a. If the arbiter agrees the opponent is making no effort to win the game by normal means, or that it is not possible to win by normal means, then he shall declare the game drawn. Otherwise he shall postpone his decision or reject the claim.
b. If the arbiter postpones his decision, the opponent may be awarded two extra minutes and the game shall continue, if possible in the presence of an arbiter. The arbiter shall declare the final result later in the game or as soon as possible after a flag has fallen. He shall declare the game drawn if he agrees that the final position cannot be won by normal means, or that the opponent was not making sufficient attempts to win by normal means.
c. If the arbiter has rejected the claim, the opponent shall be awarded two extra minutes time.
d. The decision of the arbiter shall be final relating to (a), (b) and (c).
You may need to check with the Herts County Association whether they apply these rules without local modification. The Herts rules aren't on the website.

For practical purposes, if you think the game should be drawn, you must claim with your flag still standing. If you wait for flag fall and rely on your opponent not being able to win, you get the draw only if a problemist cannot construct a mate using the material on the board. So even if your opponent only has a minor piece remaining, he wins provided a mate can be constructed using under promotions if necessary. So whilst Knight v Queen wouldn't be a win, Knight v Queen and Pawn would be because you can sacrifice the Queen and under promote to a Knight, thereby allowing the "mate in the corner".

There have been numerous discussions on the forum around this topic. Using "10.2" as a search key is one way to find them.

(edit) Here's a recent one for example http://www.ecforum.org.uk/viewtopic.php?f=2&t=3773 (/edit)

Re: Definitive rules of chess - 80 minute format and slow ga

Posted: Wed Feb 29, 2012 3:10 pm
by Dan Lambourne
Roger de Coverly wrote: You may need to check with the Herts County Association whether they apply these rules without local modification. The Herts rules aren't on the website.
It depends which website you go to, although admittedly it is complicated at the moment. If you go to the new results page http://www.e2-e4.co.uk/chess-results/results.htm and login then you get access to the local rules. From memory, I do not believe there are any modifications to the 10.2 rule.

Re: Definitive rules of chess - 80 minute format and slow ga

Posted: Wed Feb 29, 2012 3:15 pm
by Roger de Coverly
Dan Lambourne wrote:. If you go to the new results page http://www.e2-e4.co.uk/chess-results/results.htm and login then you get access to the local rules. From memory, I do not believe there are any modifications to the 10.2 rule.
The casual visitor doesn't always want to disclose an email address just for sight of the league rules.

Re: Definitive rules of chess - 80 minute format and slow ga

Posted: Wed Feb 29, 2012 7:15 pm
by Alex Holowczak
David Heath wrote:I play in the Hertfordshire League Chess League and find that I am unable to discover the precise rules of chess both for the 80 minute format and what we sometimes call the SLOW game i.e 35 moves in 75 minutes and thereafter 7 moves per extra 15 minutes.

To give an example: in the 80 minute format (sometimes called quick play) if say White's flag falls first but White has a Queen and King vs. a sole Black King this is adjudicated a DRAW despite the fact that White has run out of time. HOWEVER, there are also other situations in which the result maybe adjudged a DRAW despite running out of time. Most palyers automatically assume that if the flag falls, the other player wins.

I have checked on varous websites but cannot find these rules. Could someone point me in the right direction so that I could download them?
I'm not quite certain of the question you're asking. Roger's link to the FIDE Laws of Chess is the most likely answer to your question.

The "80-minute format" and 35/75 etc. are both classed as standardplay, because the duration of the game is longer than 2 hours. However, the difference between standardplay and rapidplay and blitz are irrelevant for the purpose of your question.

The relevant rule is this:
6.9 Except where one of the Articles: 5.1.a, 5.1.b, 5.2.a, 5.2.b, 5.2.c applies, if a player does not complete the prescribed number of moves in the allotted time, the game is lost by the player. However, the game is drawn, if the position is such that the opponent cannot checkmate the player’s king by any possible series of legal moves.

So KQ v K, and the KQ runs out of time is a draw, because black cannot checkmate by any possible series of legal moves.

Another example: KN v KP, KP runs out of time. The KN can win by a series of legal moves, and thus it is a win for the KN. Of course, a 10.2 claim (which Roger goes on to explain) in such a situation would succeed, so long as it was correctly claimed.