Wei Ji Ma

Recent news

What gender gap in chess?

10/15/2020 – If you want to compare chess achievements between men and women, writes Professor Wei Ji Ma of NYU, given their vastly unequal numbers, it is a very bad idea to focus on the top male and female players. If you do you will need to account for the participation gap using an analysis similar to the one he presents. Prof. Ma supplies the tools needed to refute the theory of female inferiority.

More... Comments 64

169

Still no ChessBase Account? learn more > 8 million games online! Updated weekly, our definitive database has all the latest games. With Live Book and Let’s Check!
Still no ChessBase Account? learn more > My Games – Access your games from everywhere. Store your games, training material and opening repertoire in the cloud. Annotate, analyze and share.
Still no ChessBase Account? learn more > Sac, sac, mate! Solve tactical positions of your playing strength. Boost your calculation skills. Enjoy adrenalin rush with tactic fights!
Still no ChessBase Account? learn more > Thousands of hours of high class video training. Openings, Middlegame, Endgame Lessons. Top authors like Daniel King, Lawrence Trent and Rustam Kasimdzhanov
Still no ChessBase Account? learn more > Real Fun against a Chess Program! Play, analyze and train online against Fritz. Beginner, club and master levels. Assisted play and calculation training.
Still no ChessBase Account? learn more > Learn openings the right way! Build and maintain your repertoire. Memorize it easily move by move by playing against the variation trainer.
Still no ChessBase Account? learn more > The ultimate chess experience every day, PlayChess.com welcomes 20,000 chess players from all around the world – from beginner to grandmaster.

News

ChessBase 18 Premium-Package

Winning starts with what you know – ChessBase 18

€499.90

ChessBase Magazine Extra 222

Videos by Felix Blohberger: Reti Opening and Nico Zwirs: Najdorf Variation. "Olympiad Special": 21 analyses by Howell, Meier, Nguyen, Pelletier, Pichot, Van Foreest, Vitiugov, Wojtaszek and many more. Update Service with almost 40,000 new games!

€14.90