Chess

Using pbchess (basically solving chess problems) I've significantly improved my chess rating at chess.com in a few months.

Download - Commercial programs

Download, try, and buy if you like it. Don't forget to read the manual before installation of pbchess and bonus games.

Version 1.2.5

pbchess-1.2.5 for Windows
pbchess-1.2.5 for Linux (32 bit)
pbchess-1.2.5 for Linux (64 bit)
pbchess-1.2.5 for Android (Google Play)
pbchess-1.2.5 for Amazon Kindle + FREE BONUS INSIDE (Sokoban, Checkers, Reversi, Calculator, Notepad)
pbchess-1.2.5 for Kobo Touch, Glo, Mini, Aura + FREE BONUS INSIDE (Sokoban, Checkers, Reversi, Calculator, Notepad)
pbchess-1.2.5 for Onyx Boox + FREE BONUS INSIDE (Sokoban, Checkers, Reversi)
pbchess 1.2.5 for PocketBook + FREE BONUS (Sokoban, Checkers, Reversi)
pbchess 1.2.5 for PocketBook (old models - 301+, 302, 360) + FREE BONUS (Sokoban, Checkers, Reversi)

User manual

Chess educational materials

Registration

Important

Note that unregistered version works only 5 min. You should restart it again to continue evaluation.

All the users that buy the current version can also use all the future versions (pbchess-1.2.x) for free.

Main features

Friendly navigation, nice user interface.
Supported chess engines: gnuchess 5.08, fruit 2.1, togaII-1.3.1, glaurung-2.2, gfruit-4bx, hoichess-0.10.3, stockfish-2.1.1. All the engines are included into this distribution and work "out of the box".
All the engines (but hoichess) support opening books. The opening books are included into this distribution and work "out of the box".
Moves history support, easy navigation through history. You can review the game from the beginning, return to any move and replay the game from any move for any side.
Full-screen large chess board.
Stylus support (for touchscreen devices).
Automatically load the last game at startup and save the current game at exit.
An user can select one of the 14 different chess sets from the chess fonts installed with this program.
15 difficulty levels (search depth from 1 to 15 ply).
Last move highlighting.
Ability to solve chess problems!
You can find a lot of training materials here.
"Human vs Human" mode.
User interface multiple languages support. The main user interface language is English. The program is fully translated into Russian, Spanish, Ukrainian, Polish, German, Italian, Brazilian Portuguese, Hungarian, Norwegian, French, Czech. You can easily add your own language or correct an existing translation.
The following chess rules support was completely implemented: draw by treefold repetition, by fifty-move rule and by insufficient material.
Support of chess bases in PGN-format (many games and puzzles in one file), easy navigation inside base. From now on all your games will be stored in the chess base; Support full PGN-format specification (read games with comments, variations).