| Jan Biederman's Winners at All Clubs | |||
|---|---|---|---|
| Date | Club | Percentage | Masterpoints |
| September 15th | Heights Duplicate Club | 63.05 | 0.84 |
| November 4th | Heights Duplicate Club | 58.33 | 3.04 |
| September 23rd | Heights Duplicate Club | 61.11 | 1.08 |
| September 16th | Heights Duplicate Club | 59.52 | 0.84 |
| July 22nd | Heights Duplicate Club | 60.94 | 1.20 |
| June 24th | Heights Duplicate Club | 64.35 | 1.20 |
| May 15th | Hillcrest Duplicate Club | 60.90 | 1.62 |
| March 6th | Hillcrest Duplicate Club | 61.70 | 1.62 |
| July 31st | Heights Duplicate Club | 56.95 | 2.25 |
| June 16th | Womens Contract Club | 61.46 | 2.40 |
| April 3rd | Heights Duplicate Club | 67.19 | 1.32 |
| June 27th | Andy's Bridge Club | 65.00 | 1.91 |
| Summary | Wins 12 | Avg. 61.71% | MP 19.32 |