Approximately 19 hours and 26 minutes of video running time.
The Tactic Ninja course is designed by Grandmaster Avetik Grigoryan to help players in the develop sharp tactical vision. Chessmood Tactics Ninja Part21 rar
Tactic Ninja - Sharpen Your Chess Tactics with a Grandmaster Approximately 19 hours and 26 minutes of video running time
It covers 24 tactical motifs including basic patterns like pins, skewers, and forks, as well as intermediate concepts such as interference, x-ray, and clearance. Chessmood Tactics Ninja Part21 rar
The specific file name "Part21 rar" suggests it is one part of a multi-volume download from a file-sharing site or forum.
The course is officially available via a subscription on the ChessMood website or through Udemy . Regarding the ".rar" File