The Grünfeld Formula the big greek He gives illustrative games that

He gives illustrative games that emphasize the key themes

showed me how to play this opening with Black

In the modern era these lines have mainly been championed by Vladimir Kramnik and Lev Aronian

Then enter the intriguing world of the Blackmar-Diemer Gambit

The Grünfeld Formula the big greek He gives illustrative games thatThe story goes that a low rated player once bravely asked Viktor Korchnoi his advice about what opening to play against a stronger opponent. Play Grnfeld was the grumpy reply. Play Grnfeld against everything apart from 1 e4. I have no way of verifying this story, but it certainly inspired me to think about whether this was possible and the end result is this new ChessBase course.