raditha.com, The Site With The LAMP is dedicated to Linux, Apache, Mysql and Python (formerly PHP). It's the work of Raditha Dissanayake, who has an affinity for these technologies as well as several other non redmond technologies such as Java
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When should top players meet in a tournament?

July 13, 2016, 6:28 a.m. scrabble , chess , swiss , dutch

In any sport, if the top players play against each other during the early stages of the tournament some of them will be knocked out or be out of contention for any of the prizes. Almost all chess tournaments involving a large number of players are carried out using the swiss pairing system. If we ta ...

Average points scored in a game of Scrabble.

July 11, 2016, 5:21 a.m. Scrabble , KOTH , Pairing

What is a good score in a game of Scrabble? Nigel Richards averages 462.54 in international tournaments. He has gone past 400 points 84.41% of the time. Craig Beavers averages 438.59 and has gone past 400 points 73.34% of the time. Mind you these are international tournaments where they wo ...

Buchholz score as a measure of fairness of the draw.

July 5, 2016, 5:17 a.m. chess , scrabble , buchholz , KOTH

Average Ratings of Opponents, the Buchholz and Sonneborn-Berger System are some of the methods recommended by FIDE for breaking ties in Chess tournaments. In a Scrabble tournament, a tie is virtually unheard of. However Buchholz and Average Ratings of Opponents provide an excellent method of evaluat ...

Fairness of KOTH pairing.

July 4, 2016, 7:15 a.m. KOTH , Pairing , Scrabble

This is part 3, in a series of posts on KOTH pairings. The analysis is carried out using the results of the Age Group Scrabble Championship 2015.. The tables on this post can be recreated by web scraping the contents of the above link. The fairness of the draw can be calculated based on three differ ...