Chessmetrics Ratings: January 31, 1981
Por um escritor misterioso
Descrição

Emanuel Lasker - Wikipedia
Chess in Pictures Arts & entertainment

Match Statistics - Chessprogramming wiki
Who is the best chess player presently in the world? - Quora

Tartajubow On Chess II: March 2018

Perpetual Chess Podcast

PDF) Chamier the Epicurean: the life and works of George Chamier

Every Chess 'Player Of The Decade' (From Morphy To Magnus)

The age-performance relationship for a cognitive-intensive task
de
por adulto (o preço varia de acordo com o tamanho do grupo)