Albarran Convention
Introduced by Pierre Albarran in order to search Aces in Responder's hand in strong 2 Clubs game forcing opennings. There are different versions but the original is as follows.
Opener
Responder
Explanation
2 Clubs
2 Diamonds
2 Hearts
2 Spades
2 NT
3 Clubs
3 Diamonds
3 Hearts
3 Spades
3 NT
4 Hearts
4 Spades
4 NT
No Ace, 0-7 HCP
Ace of Hearts
Ace of Spades
No Ace, 8+ HCP
Ace of Clubs
Ace of Diamonds
6 cards of Hearts
6 cards of Spades
2 Aces
6 cards of Hearts, minimum point
6 cards of Spades, minimum point
3 Aces
A different version :
Opener
Responder
Explanation
2 Clubs
2 Diamonds
2 Hearts
2 Spades
2 NT
3 Clubs
3 Diamonds
3 Hearts
3 Spades
3 NT
No Ace, 0-7 HCP
Ace of Hearts
Ace of Spades
No Ace, 8+ HCP
Ace of Clubs
Ace of Diamonds
2 same color Aces
2 major or 2 minor Aces
2 mixed Aces (such as Spade and Diamond)
Applicaton in Super Five Cards Major system
Opener
Responder
Explanation
2 Clubs
2 Diamonds
2 Hearts
2 Spades
2 NT
3 Hearts
3 Spades
3 NT
No Ace, 0-7 HCP
1 Red Ace
1 Black Ace
No Ace, 8+ HCP
2 same color Aces
2 major or 2 minor Aces
2 mixed Aces
If you play Albarran convention, then you can ask the number of Kings instead of Aces using 4 NT Blackwood convention.