11:29
Bogoindian Defense: Fundamental Concepts (Live Chess Lesson)
12:22
How I Win with the Colle Zukertort in Chess
53:54
The best opening you never heard of (Zukertort)
11:20
How To Destroy Anti-Colle Systems
13:16
Colle System Chess Opening [Colle-Koltanowski System]
11:35
Attack with Black in the French defense: Advance variation
11:15
Lesson 4: The Unbeatable Chess Opening | The Colle System
50:04