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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

December 1
Nimzo & Benoni Systems
Tricky Nimzo options for Black
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November 30
Open Sicilians
A Najdorf special, featuring Bartel's 6.Nb3 line
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November 30
1 e4 e5
Ideas from the end of the 19th and beginning of the 20th centuries
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November 17
1 d4 d5 2 c4
A Slav and QGA special
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November 16
1 e4 ...
The Caro-Kann under fire in recent tournaments
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November 15
d-Pawn Specials
Fireworks in the Jobava-Prié Attack!
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