Encyclopedia 1 by Informant is an educational tool designed for chess players with a rating of ELOThis program is based on the popular Chess Informant book and offers a systematic and carefully selected collection of chess combinations. With its focus on Basic Level (ELOcombinations, Encyclopedia 1 provides an exciting and efficient training experience.

The program is part of the Chess King Learn series, which offers a comprehensive chess teaching method. It covers various aspects of the game, including tactics, strategy, openings, middle game, and endgame, catering to players of all levels.

Encyclopedia 1 acts as a coach, providing tasks for players to solve and offering hints, explanations, and refutations for mistakes. It also includes a theoretical section where players can learn game methods based on actual examples. The interactive nature of the program allows users to not only read lessons but also practice moves on the board.

Key features of Encyclopedia 1 include high-quality examples, different levels of complexity, various goals to achieve, hint system, refutation of mistakes, ability to play out positions against the computer, interactive theoretical lessons, structured table of contents, and the ability to track player rating (ELO) changes.

The program is available for iPhone and does not require an internet connection. It offers a free part that allows users to test the program before unlocking additional topics.

Encyclopedia 1 by Informant is a valuable resource for chess players looking to improve their knowledge, learn new tactical tricks, and apply their skills in practice.