Chess Tactics for intermediate players

A sequel to the Chess Tactics for Beginners, this program on chess tactics is developed by the prominent chess coach Sergey Ivashchenko and aimed at intermediate players.
The program includes:

More than 1170 tactical positions classified by themes and difficulty
Refutations of wrong moves as well as other hints to help find the correct answer
Languages supported: English, French, Spanish, Italian and German
DVD-like box
No additional software required.