6) entame SA , la suite
30:07
7) signalisation à SA
14:19
THE WEEKLY CHALLENGE (Vol. 111 / Episode 1)
10:25
Bridge Entame a Sans Atout
13:28
(4 to the 4th ) – (4 to the 3rd ) over 4 cubed =? MANY will get WRONG! (No Calculator)
27:21
Session 12 Exercices les réponses à l'ouverture du partenaire.
8:20
Huge math error in paper about black plastics
12:50
Entame à la Couleur au Bridge
29:35