Upgrade Peshk@ to Multiplatform

Upgrade Chess Tactics in Caro-Kann Defense to Multiplatform 5x
Levels 6 - 8 [Rating 1600-2200]; Opening. Theory and playing hooks in the most sharp and deciding variations of the Caro-Cann Defense developing after moves 1. e4 c6 2. d4 d5.

Upgrade Chess Tactics in Kings Indian Defense to Multiplatform5x
Levels 6 - 8 [Rating 1600-2200]; Opening. Theory and playing hooks in the most sharp and deciding variations of the Kings Indian Defense.

Upgrade Chess Tactics in Slav Defense to Multiplatform 5x
Levels 6 - 8 [Rating 1600-2200]; Opening. An extensive course covering the most sharp and deciding variations of the Slav Defense.

Upgrade Chess Tactics in Grunfeld Defense to Multiplatform 5x
Levels 6 - 8 [Rating 1600-2200]; Opening. Theory and playing hooks in the most sharp and deciding variations of the Grunfeld Defense developing after moves 1. d4 Nf6 2. c4 g6 3. Nc3 d5.