25 votes
Accepted

Should an arbiter claim draw at a K+R vs K+R endgame?

You can declare a draw and in fact you are required to declare a draw but only after you have counted 75 moves by each side without a capture or a pawn move. This is according to the FIDE Laws of ...
Brian Towers's user avatar
  • 97.1k
16 votes

Should an arbiter claim draw at a K+R vs K+R endgame?

It is not a drawn position according to the rules, since there is sufficient mating material. It may be a draw from the point of view of endgame theory, but given players who make lots of mistakes, it ...
itub's user avatar
  • 10.5k
10 votes
Accepted

Why did Garry Kasparov retire?

From his Wikipedia article: After winning the prestigious Linares tournament for the ninth time, Kasparov announced on 10 March 2005 that he would retire from regular competitive chess. He cited as ...
Allure's user avatar
  • 27.1k
10 votes

Would an erroneous claim of mate be considered as annoying the opponent, cheating, an illegal move, or something else?

First, kids and adults, the rules are the same, so there is no difference there. What you are asking about goes beyond just the rules: It comes down to intent. Whether an adult, or kid, there could ...
PhishMaster's user avatar
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10 votes
Accepted

What exactly happened in the Open World Blitz Championship in game Carlsen-Alireza?

As you said, Alireza Firouzja lost on time while he was trying to restore a piece he dropped. He appealed, but the appeal was denied. It was denied for several reasons. First, he appealed about ...
PhishMaster's user avatar
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7 votes
Accepted

Where does the money come from?

For invitationals generally the organizers will pay (or the invited players won't accept the invitation). For open tournaments it's a different matter, and the players themselves pay. An event like &...
Allure's user avatar
  • 27.1k
6 votes

Can a non-rated tournament having all categories play in a single group and then the ranking decided based on overall performance?

I have seen both approaches. They're both fair enough to use, although it might be slightly fairer to separate them. Ideally you want the last round to have the two strongest players in a category ...
D M's user avatar
  • 19.3k
6 votes

Should an arbiter claim draw at a K+R vs K+R endgame?

It's better to let them play it out a bit and ideally only draw once reaching 50 moves. But if one of them is low on time (and their opponent is clearly just trying to flag them) then you should claim ...
Inertial Ignorance's user avatar
6 votes

Where does the money come from?

All three. For top players, it's the organizer who foots the bill just to get the name value. For some countries, they'll pay for their players to travel to a well-known tournament to show the "...
Mike Jones's user avatar
  • 5,169
5 votes

Should an arbiter claim draw at a K+R vs K+R endgame?

It is difficult to say what the exact rules should be if you aren't affiliated with a group that publishes rules for such situations. But I think your actions in this case were reasonable. USCF rule ...
D M's user avatar
  • 19.3k
5 votes
Accepted

How does a single player have 2 different FIDE accounts

How is this possible to get a separate FIDE ID when you already have one? Unfortunately FIDE do not have proper data validation for these things. For instance, check out Lawrenson, Conor. This baby ...
Brian Towers's user avatar
  • 97.1k
5 votes
Accepted

How rating changes happen for tournaments starting near the end of the month?

The current FIDE rating rules are set out in FIDE Rating Regulations effective from 1 January 2022. There it says: 7. Official FIDE Rating List 7.1 On the first day of each month, FIDE shall prepare ...
Brian Towers's user avatar
  • 97.1k
4 votes
Accepted

What is a good approach to conduct a round robin event for 20 players in order to select top 6?

To get the fairness of a round-robin without quite so many games... First, separate your players into 2 groups of 10. I'd suggest making the groups each have a good mix of players rather than having a ...
D M's user avatar
  • 19.3k
4 votes

What would happen if the same opening is played until an advanced stage in two games in a tournament?

ยง11.3.1 is the relevant paragraph. It prohibits to "use" any outside information. Clearly, a memorized long theory variant isn't "use" in this sense, the players wanted to play it ...
Hauke Reddmann's user avatar
3 votes
Accepted

How are categories A, B, C, D, and E decided in the Chess Olympiad?

How are categories A, B, C, D, and E are decided? Is it the average rating of the team? Yes. According to FIDE: 4.6.2.2. Before Round 3, in each section, the teams are divided by TAP (see Article 4....
D M's user avatar
  • 19.3k
3 votes
Accepted

Can a non-rated tournament having all categories play in a single group and then the ranking decided based on overall performance?

Can a non-rated tournament having all categories play in a single group and then the ranking decided based on overall performance? Certainly and it is often the best option. Note that this is also ...
Brian Towers's user avatar
  • 97.1k
3 votes

Online tools for scheduling teams round-robin events

What you are really looking for is a pairing program which will perform team round-robin pairing, allow you to enter results and display the results online. There are two obvious candidates, one ...
Brian Towers's user avatar
  • 97.1k
3 votes

Should an arbiter claim draw at a K+R vs K+R endgame?

Relevant FIDE rule, appendix G.5: If Article G.4 [a player may claim extra time for both sides] does not apply and the player having the move has less than two minutes left on his clock, he may ...
Annatar's user avatar
  • 5,918
3 votes

free alternatives to SwissSys?

The one I like is Vega - http://www.vegachess.com/tl/index.php. This is free on Linux. The guy who wrote it is an open source supporter who welcomes feedback and is willing to make changes. He is also ...
Brian Towers's user avatar
  • 97.1k
3 votes
Accepted

How are the quads divided up in a quad tournament?

Is this sort of grouping for a quad tournament allowed? The quad tournament format is not subject to governing body legislation in the same way as Swiss and, to a certain extent, all-play-all. So, ...
Brian Towers's user avatar
  • 97.1k
2 votes

free alternatives to SwissSys?

The answer to this question depends at least in part on what rating system you want to use when running an event, as well as what your definition of "good" is. It's worth noting that pairing programs ...
eastside's user avatar
2 votes
Accepted

free alternatives to SwissSys?

The FIDE's software Swiss manager has a free demo version. It contains many options for different types of "tournaments". But you will need a bit of time to learn how to use it. I have already used ...
Alexandre Aksenov's user avatar
2 votes

Guidelines for chess tournament prize distribution

The US Chess Federation Official Rules of Chess 5th Edition has a section (section 33, if you have a copy) that has some guidelines about prizes. These are specifically described as recommendations ...
D M's user avatar
  • 19.3k
2 votes

free alternatives to SwissSys?

Our chess club, Media Chess Club, uses Chess Nut for club management and pairing. It is free and user friendly. The automatic Swiss pairing works as well as SwissSys (which is what we were using ...
Lamp's user avatar
  • 21
2 votes

Can chess players agree to manipulate the results?

Yes. But most players are much smarter with how they do it by using other ways than you suggest. Two GMs could agree to play a tame opening that is known to be drawish then settle for a draw ...
edwina oliver's user avatar
2 votes
Accepted

How does a player's fide rating change calculated for previous month's rating even in the next month

This tournament started on August 26th, so August ratings were used to calculate rating changes. Since the event was still ongoing by September 1st, the results weren't taken into account until the ...
David's user avatar
  • 16.3k
2 votes

Can a non-rated tournament having all categories play in a single group and then the ranking decided based on overall performance?

I've also played in tournaments with both formats you mentioned. Either can work well, though for the second option, keep in mind the ratio of number of players to number of rounds. It's preferable if ...
Inertial Ignorance's user avatar
2 votes

Weekly pairings in a non repetitive way?

The effect you are seeing is a result of the initial ranking which is done automatically on ratings. When you set up the new tournament you can choose either to have the players sorted by rating or to ...
Brian Towers's user avatar
  • 97.1k
1 vote

What is a good approach to conduct a round robin event for 20 players in order to select top 6?

A round robin is not that much fairer than a Swiss. There are lots of solutions you could try and, as you say, it is pretty much a matter of opinion. I would suggest a 5 round Swiss followed by a 5 ...
Brian Towers's user avatar
  • 97.1k
1 vote

What would happen if the same opening is played until an advanced stage in two games in a tournament?

There is no rule. You can repeat an old game as long as your opponent cooperates. There've been entire repeated games in history, including in the Candidates (Nepo-Nakamura).
Allure's user avatar
  • 27.1k

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