16:44
a2-a4-a5-a6 ! Le génie de Pragg | Sacrifice d'échange élégant contre Hovhannisyan | Coupe du mond...
31:13
Destroy Ponziani Opening with Vukovic Gambit (Beat Ponziani #2)
12:30
Everyone Should Know this Ponziani Opening Trap
25:07
All against the Four Pawns Attack
13:45