;

 
 

De-creasing order of complexity

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Aces Scientific

extended

Zass

A relay precision - modified from Viking

Precision German language only

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Aces Scientific

standard

Cohen-Berkowitz Precision

Convention card - Notes

 

Precision - standard

The version is used for teaching by Oliver Clarke in BBO-Beginner/Intermediate Lounge

Matchpoint Precision

Morotsklövern

Swedish text only

 

Precision

by Terence Reese

Pure malt

Swedish text only

 

Romex

Roth-Stone

Swedish text only

UTRopia

  • Universal Transfer Responses

  • This is a structure for responding in any natural system

Vienna Club

Wei/Radin Precision

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Biedermeyer ACOL

Dutch text only

ACOL dutch

ACOL - dutch Uploaded system

4 hearts/5 spades

ACOL Vincent Jean

This looks like a 5card major dutch acol

 

Evolution

German language only

FANTUNES - Fulvio Fantoni/Claudio Nunes

Convention card + notes

System notes by Daniel Neill

Tor Helness- Geir Helgemo

4 hearts/5 spades

Oranje Club

Dutch text translated into english

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