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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.

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- GM Ruslan Ponomariov

Recent additions

August 21
Open Sicilians
Exciting battles in the Najdorf
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August 20
1 e4 ...
Black’s popular ...g5 systems in the Advance Caro-Kann
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August 20
French Defence
The Classical Variation is featured this month
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August 20
1 d4 d5 2 c4
Key middlegame ideas and themes
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August 19
d-Pawn Specials
Developments of the bishop to f4 dominate
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