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23,000+ GM commented games in pgn format

The latest opening theory! is an online publisher of chess opening theory. We employ 9 GMs and 4 IMs who publish monthly opening articles, downloadable PGN files, PDF eBooks and playable eBooks.

"I really like this site and highly recommend it to everyone!"
- GM Ruslan Ponomariov

Recent additions

March 28
d-Pawn Specials
Technical Glories
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March 19
A month where traditionally promising lines did well
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March 7
Open Sicilians
The Najdorf takes centre stage
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March 17
King’s Indian
No King’s Indians!
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March 16
1 e4 ...
Black fianchettos everywhere!
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March 16
French Defence
The most important French Variation in master chess
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March 15
English and Flank Openings
Kamsky’s Bird takes flight!
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