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๐๐๐-๐๐ง ๐ ๐จ๐ซ: Grรผnfeld, Russian System ๐๐๐ฆ๐๐ ๐๐๐ญ๐๐ซ: GM Lodewijk Prins ๐๐จ๐ฏ๐๐ฌ: 1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Qb3 dxc4 6.Qxc4 0-0 7.e4 Na6!? Add-ons allow you to expand your repertoire with variations that are not suggested in the main opening course. Making them an ideal way to keep your opponents guessing! In this course, you'll gain more than just theoretical knowledge. You'll have access to the recommendations of opposing authors to ensure you are ready for them. Additionally, interactive tests will assist in having the theory firmly memorised. Finally, you'll have the opportunity to learn how to proceed after the opening phase by viewing model games. ๐๐จ๐ฎ๐ซ๐ฌ๐ ๐๐ญ๐๐ญ๐ฌ: โฎ For: Black Pieces โฎ Language: English โฎ Published: Coming Soon! ๐๐๐๐จ๐ฆ๐ฆ๐๐ง๐๐๐ ๐ ๐จ๐ซ: โค Advanced: โข 1600 - 2000 โค Expert: โข 2000 - 2200 โค Master: โข 2200+ ๐๐ก๐๐ญ'๐ฌ ๐๐ง๐๐ฅ๐ฎ๐๐๐: โ Opening Theory โ Author Recommendations โ Interactive Test โ Model Games ๐๐ญ๐ก๐๐ซ ๐๐๐ง๐๐๐ข๐ญ๐ฌ: โ Updates โ PGN Download โ Progress Tracker โ Lifetime Access