King’s Indian Powerbook 2023
Top class material was used for the King’s Indian Powerbook 2023: over 120 000 games from the Mega and from correspondence chess, and in addition more than 297 000 games from the engine room of playchess.com, in all 420 000 games.

Alekhine Defence Powerbook 2023
The Alekhine Defence Powerbook 2023 is based on over 87,000 games from the engine room of playchess.com as well as 18,000 games from the Mega 2023 and the Correspondence Database 2022.

Dutch Defence Powerbook 2023
The Dutch Defence Powerbook 2023 consists for the greater part of engine games (77 000), to which have been added high value material from Mega and the Correspondence Chess Database (34 000).

A Complete Black Repertoire versus the English, 1...e5
1...e5 against the English is a theoretically sound response with good chances of equality or better in all variations, and in this video series I provide a complete Black repertoire based on this move.

The Hippopotamus system of defence
What is the Hippopotamus system of defence? The idea is that, at the beginning of the game, Black develops within his own first three ranks. He constructs a solid, flexible and hopefully stable position, awaiting events. At the right moment, he will strik

Calculation Training in Attack & Defence Vol.1 & Vol.2
The two DVDs offer you the chance to solve 66 exercises with multiple questions. These exercises are presented in the interactive format, which makes them accessible for players of different strengths as we will go through the thought process step by step

Master Class Vol.8 - Magnus Carlsen 2nd Edition
Let our authors show you how Carlsen tailored his openings to be able to outplay his opponents strategically in the middlegame or to obtain an enduring advantage into the endgame.

Calculation Training in Attack & Defence Vol.2
The two DVDs offer you the chance to solve 66 exercises with multiple questions. These exercises are presented in the interactive format, which makes them accessible for players of different strengths as we will go through the thought process step by step

Calculation Training in Attack & Defence Vol.1
The two DVDs offer you the chance to solve 66 exercises with multiple questions. These exercises are presented in the interactive format, which makes them accessible for players of different strengths as we will go through the thought process step by step

Italian Game Powerbook 2023
For this new edition of the Italian Game Powerbook 2023 only games from the engine room of playcess.com were used, overall 1.337.000 games.

The Catalan vs. the Semi-Slav, Chebanenko and Triangle
The Semi-Slav, Chebanenko system and the Slav triangle are solid and flexible weapons for Black. The repertoire examined on this DVD meets them all in a provocative way.

Master Class Vol.14 - Vasily Smyslov
Smyslov cultivated a clear positional style and even in sharp tactical positions often relied more on his intuition than on concrete calculation of variations. Let our authors introduce you into the world of Vasily Smyslov.