IM Marcin Sieciechowicz spent countless days on opening research and tons of computing power. He double-checked the variations to ensure you get the most accurate and up-to-date Nimzo-Indian Defense Repertoire.
Partner Course:

10h 3m PGN Available
The camp of GM Grigorov - 1.d4 Nf6 - Practical Repertoire against the Sidelines is already a digital product.
This product includes all the videos from the workshop as well as the PGN file related to the training sessions. Overall, the material consists of 7.5 hours of video and a PGN database which includes 71 files!
7h 20m PGN Available
The highly anticipated second and final part of Cheparinov' Ruy Lopez repertoire is published! In this database, he covers everything that Black can play after 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0
True ot his analytical approach, Cheparinov comes up with many interesting novelties and fresh directions. Obviously, this course does not refute the Ruy Lopez. The suggested lines, however, force Black to play extremely precise for many moves. Therefore, this repertoire has tremendous practical value.
The database consists of 12 theoretical chapters, 12 interactive test positions, a Memory Booster, and a Video Version (4.5+hours).
Sequence: 1.e4 According to Cheparinov »
6h 20m PGN Available Memory Booster Interactive Tests
We are excited to introduce the new huge opening project of GM Pavel Eljanov - My Caro-Kann. Having played this opening for more than 10 years on the highest level, Eljanov is one of the leading Caro-Kann experts in the world.
We are more than happy that he agreed to disclose his entire repertoire in four-part series!
The first two databases will be dedicated to the most dangerous line against the Caro-Kann - the Advance Variation arising after 1.e4 c6 2.d4 d5 3.e5
1h 44m PGN Available Memory Booster Interactive Tests
Starting from queen maneuvers to positional pawn sacrifices to opposite side castling positions, this is not yet another course on chess strategy - it is much beyond that. It shows how a real-life Grandmaster thinks during the different stages or unpredictable positions of a game.
Partner Course:

9h 32m PGN Available
GM Kristian Szabo has graciously agreed to reveal this SUPER POWERFUL opening to the public. Kristian recorded a 10-hour course giving you a complete understanding of the attacking system sufficient to take down chess giants.
Partner Course:

10h 13m PGN Available
The camp of GM Papaioannou - Queen's Gambit with ...h7-h6 - Universal Repertoire against 1.d4, 1.Nf3, and 1.c4 is already a digital product.
This product includes all the videos from the workshop as well as the PGN file related to the training sessions. Overall, the material consists of 7.5 hours of video and a PGN database which includes 79 files!
Sequence: Fight 1.d4 with Papaioannou »
7h 38m PGN Available
Many players are hesitant to try the Ruy Lopez opening due to its complexity. Aside from the theoretical overload, the Ruy Lopez necessitates a subtle understanding of the arising pawn structures. There is, however, some good news. You will have a reliable lifetime weapon if you put in the necessary effort.
In the first part of his Ruy Lopez journey, GM Cheparinov covers everything except the position arising after 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 which will be dealt with in Part 2. In this database, you will find 16 theoretical chapters, 16 interactive test positions, a Memory Booster, and a Video Version (6h and 40 min Running Time).
Sequence: 1.e4 According to Cheparinov »
6h 36m PGN Available Memory Booster Interactive Tests
Understand The Maroczy Bind workshop is already a digital product.
Maroczy Bind is one of the most common structures in chess. It can be reached by many different openings and move orders.
The masterclass is divided into 4 lectures and contains 24 well-commented examples and 25 test positions.
Sequence: Universal Pawn Structures »
5h 26m PGN Available Interactive Tests
Finding a challenging variation against the Nimzo-Indian is one of the biggest issues for every 1.d4 player. The soundness of this opening often discourages White from playing 3.Nc3 after 1.d4 Nf6 2.c4 e6.
We are happy to announce that GM Cheparinov has come to your rescue! In his brand-new database, he provides a full repertoire for White based on 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.f3
5h 20m PGN Available Memory Booster Interactive Tests