| Name | Ability | System |
|---|---|---|
| Checkback | Intermediate | |
| EBU Feb 2014 | Intermediate | Basic Acol |
| Mr Bridge 134 | Intermediate | Basic Acol |
| Mr Bridge 135 | Intermediate | Basic Acol |
| Take Out Doubles 1 | Experienced Beginner | Acol with 3 weak twos |
| Takeout Doubles | Experienced Beginner | Basic Acol |
| Bridge Magazine Dec 2008 | Intermediate/Advanced | Bridge Magazine Standard |
| Bridge Magazine Jan 2009 | Intermediate/Advanced | Bridge Magazine Standard |
| Bridge Magazine Jan 2011 | Intermediate/Advanced | Bridge Magazine Standard |
| Responding to 1NT | Experienced Beginner | Acol with red suit transfers |