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Little-Known Resolutions of Well-Known Paradoxes
Discussion of several well-known paradoxes whose correct resolutions are not well known. Gives the correct resolutions. The paradoxes discussed are the Liar Paradox, the Prisoner’s Dilemma, Newcomb’s Paradox, Is It Rational to Vote?, and the Unexpected Hanging. Article written September 11, 2016.
Ratings Central: Accurate, Automated, Bayesian Table Tennis Ratings for Clubs, Leagues, Tournaments, and Organizations
NESSIS (New England Symposium on Statistics in Sports), September 24, 2011. Program, Abstract, Presentations, Photos, Videos.
Ratings Central: Accurate, Automated, Bayesian Table Tennis Ratings for Clubs, Leagues, Tournaments, and Organizations
Joint Statistical Meetings, July 30–August 4, 2011. Session, Abstract.
New Table-Tennis Rating System
Journal of the Royal Statistical Society: Series D (The Statistician), 2001, vol. 50, part 2, pp. 191-208.
NÖTTV Interview with David Marcus
June 17, 2010.
Behind the Scenes at the TOC
What happened at the Tournaments of Champions (TOC), June 8, 1990—June 17, 1990. The TOC consisted of the Fifth World Veterans Championships, the 1990 U.S. Open, and the International Junior Championships. Article written August 21, 1990, and published in the USATT magazine that year.
Does it Matter Who Serves First?
Is there an actual (not psychological) advantage to serving first in table tennis as there is in some sports?
Comparison of 11-Point and 21-Point Match Formats
Which 11-point-game match formats correspond to which 21-point-game match formats?
Giving Byes to Top Seeds Is Unfair
The ITTF rule on how to place byes in a single-elimination event can favor a lower-seeded player over a higher-seeded player.
Fundamental Table Tennis Geometry
A discussion of basic footwork.
eLetter to the Editor on the news article Quantum weirdness confirmed by Adrian Cho
News article: Science Magazine, vol. 350, issue 6267, Dec. 18, 2015, p. 1463; requires subscription to access on website. eLetter published Deb. 19, 2016; can be accessed without subscription on Science Magazine website.
Letter to the Editor on Bell’s Theorem and the Demise of Local Reality by Stephen McAdam
The American Mathematical Monthly, vol. 111, no. 5, May 2004, pp. 456–457.
Dispensing with the Philosophical Baggage of Traditional Quantum Mechanics
Letter to the Editor, SIAM News, vol. 36, no. 4, May 2003, p. 6.
Prisoner’s Dilemma
Letter to the Editor, Notices of the American Mathematical Society, vol. 51, no. 7, August 2004, p. 735.

Articles by Other People

Devil to Play
Denver Tennis Club’s 4.5 men’s team.
What Is the Correct Way to Seed a Knockout Tournament?
The American Mathematical Monthly, February 2000.
The Nurturing Parent
6 Ways to Make Your Child Happy (and why they work).
When Failure is Not an Option
Some organizations seem to have purged “human error”, operating highly complex and hazardous technological systems essentially without mistakes. How do they do it? Technology Review, July 1997.


  • Sturgeon’s Law: Ninety percent of everything is crap.
  • Hanlon’s Razor: Never attribute to malice that which can be adequately explained by stupidity.
  • The sooner you fall behind, the more time you will have to catch up. —generally attributed to Steven Wright
  • A man is like a fraction whose numerator is what he is and whose denominator is what he thinks of himself. The larger the denominator the smaller the fraction. —Leo Tolstoy

Interesting Chess Problems


In Search of Mathematical Miracles
Bible Codes
The MacTutor History of Mathematics archive
Biographies of mathematicians and lots of other stuff
The aim of Chance is to make students more informed, and critical, readers of current news that uses probability and statistics