Chessmetrics Summary for 1840-2005

Турнір претендентів 1953 — Вікіпедія

Xadrez – Wikipédia, a enciclopédia livre

Chessmetrics Ratings: December 31, 1894

19th Century Chess : From Sarratt to Morphy

Турнір претендентів 1953 — Вікіпедія

The history of chess and how it is played - Chess The earliest written mention of a Chess like game - Studocu

Chessmetrics Summary for 1840-2005

19th Century Chess : From Sarratt to Morphy

19th Century Chess : From Sarratt to Morphy

Russian Chess Literature: A brief history - (en)

They Call Him MISTER Carlsen - The Daily Dirt Chess News Blog

АВРО-турнір — Вікіпедія

Chess Notes by Edward Winter

Турнір претендентів 1953 — Вікіпедія

Blackmar-Diemer Gambit - Chess Gambits- Harking back to the 19th century!