Sanctioned Matchup Predictor
Igor Klaf vs Colin Gradwell
Past Head-to-Head Rubbers (10)
| Winner | Loser | Score | Event | Rating Delta | |
|---|---|---|---|---|---|
| Igor Klaf | def. | Colin Gradwell | 2008 Australian Veterans Championships (2008-10-18) | 0 | |
| Igor Klaf | def. | Colin Gradwell | 2009 Australian Veterans Championships (2009-10-24) | 0 | |
| Igor Klaf | def. | Colin Gradwell | 11,1,7 | 2014 Australian Veterans Championships (2014-10-25) | 0 |
| Igor Klaf | def. | Colin Gradwell | 8,6,6 | 2014 Australian Veterans Championships (2014-10-25) | 0 |
| Igor Klaf | def. | Colin Gradwell | 9,5,-6,4 | 2016 Australian Veterans Championships (2016-10-22) | +1 |
| Igor Klaf | def. | Colin Gradwell | 6,4,11 | 2017 Australian Veterans Championships (2017-10-14) | 0 |
| Igor Klaf | def. | Colin Gradwell | -9,8,6,8 | 2017 Australian Veterans Championships (2017-10-14) | 0 |
| Igor Klaf | def. | Colin Gradwell | 7,7,5 | 2022 Australian National Veterans Championships (2022-10-15) | 0 |
| Igor Klaf | def. | Colin Gradwell | 5,9,6 | 2025 Australian National Veterans Championships (2025-10-25) | +1 |
| Igor Klaf | def. | Colin Gradwell | 1,8,3 | 2023 Australian National Veterans Championships (2023-10-07) | +1 |
