Nationals 2010

Talk about upcoming tournaments or your experience at tournaments.
john reade
Posts: 513
Joined: Tue Jan 24, 2006 12:50 pm

Re: Nationals 2010

Post by john reade »

I don't get it. Why should you be penalised more for having got your points against stronger players?
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Alex_Moiseyev
Posts: 4358
Joined: Sat Nov 12, 2005 5:03 pm
What do you like about checkers?: .....

Re: Nationals 2010

Post by Alex_Moiseyev »

john reade wrote:I don't get it. Why should you be penalised more for having got your points against stronger players?
I don't think anyone was penalized and I wasn't penalize either. Richard Hallett received a weaker opponent in first round and I didn't.

But things could be change and next time in the next event we switch opponents.

Lottery. And this rule (skipping the lowest opponent) just minimize lottery factor.

I like this rule very much, it makes everything more scientific.

Alex
I am playing checkers, not chess.
john reade
Posts: 513
Joined: Tue Jan 24, 2006 12:50 pm

Re: Nationals 2010

Post by john reade »

Adopting a rule for unknown reasons doesn't sound very scientific to me!
liam stephens
Posts: 940
Joined: Sun Nov 27, 2005 2:56 pm
Location: Ireland

Re: Nationals 2010

Post by liam stephens »

Disregarding of the top and bottom scores in Tie Breaking is a well established practice in Swiss tournaments.

For Draughts Tournaments In Britain and Ireland the Solkoff System is used where no scores are discarded.


MEDIAN
The Median system is also known as the Harkness System, after its inventor Kenneth Harkness. For each player, this system sums the number of points earned by the player's opponents, but discarding the highest and lowest. If there are nine or more rounds, the top two and bottom two scores are discarded. Unplayed games by the opponents count ½ point. Unplayed games by the player count zero points. This is also known as the Median-Buchholz System (Just & Burg 2003).

MODIFIED MEDIAN
The Modified Median system is similar to the Median system, except:

Players with exactly 50 percent score are handled as in the regular Median system
Players with more than 50 percent score have only their lowest-scoring opponent's score discarded
Players with less than 50 percent score have only their highest-scoring opponent's score discarded (Just & Burg 2003).

SOLKOFF SYSTEM

This system is the same as the Median system, except that no scores are discarded (Just & Burg 2003). Ephraim Solkoff did not invent this system. He introduced it to the United States in 1950, but it was used in England prior to that (Harkness 1967).
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