TwoPlusTwo

Twoplustwo, commonly written as TwoPlusTwo, is an online poker community and publishing network centered on the website twoplustwo.com. It was founded in 1999 by Mason Malmuth and expanded into Two Plus Two Publishing, which releases books on poker theory and related topics. The site functions as a large discussion forum and information resource for players of all levels.

The core of twoplustwo.com is its forums, which host sections on No-Limit Hold’em, Pot-Limit and Limit games, online and live poker, and miscellaneous topics. In addition to user posts, the site features articles, columns, and reviews, as well as a shop for poker books and software. Content is largely user-generated and covers strategy, odds, mathematics, game theory, and practical play, with moderation to enforce forum rules.

Twoplustwo has earned a prominent place in poker culture for its depth of strategic discussion and mathematical analysis. It has served as a long-standing venue for players to exchange ideas about pot odds, equity calculations, and concepts in game theory, and to debate evolving strategies. The site’s publishing arm has produced influential poker texts that contributed to the broader education of players and the development of the strategy discourse around the game.

Access to the site is free with registration. While it hosts valuable insights, readers should critically evaluate individual posts, as the forum reflects a range of opinions and experiences rather than official guidance.