Canada's Frank Marshall didn't succeed in conquering the world of chess, but his aggressive tactics were universally feared

In chess one should never take one's opponent in trust: it leaves one open to the swindle

In a male dominated game it was an 15-year-old girl who became the youngest ever grandmaster. She is now chess's finest female player

While not all artists are chess players, all chess players are artists. So said Marcel Duchamp, a mean player himself