Kerr, Ian
Current rating: 1544
Record: 9-9 (GP) / 3-3 (professional)
| Grand Prix Seattle 2009 (ARB standard) | starting rating: 1529 | |||
| round | table | opponent (rating) | result | Δrating |
| 4standard | 12 | Lingelbach, Cody (1553) | Lost 1-2 | -181511 |
| 5standard | 187 | Zappelli, BJ (1538) | Won 2-0 | +191530 |
| 6standard | 110 | Lee, Joseph (1662) | Won 2-0 | +201550 |
| 7standard | 62 | Polasek, Filip (1629) | Lost 1-2 | -161534 |
| 8standard | 102 | Thompson, Gerry (1871) | Won 2-1 | +231557 |
| 9standard | 48 | Fletcher, Geoff (1789) | Lost 0-0 | -131544 |
| top | average opponent: 1674record: 3-3 | new rating: 1544 | ||
| Grand Prix Vancouver 2008 (extended) | starting rating: 1537 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 73 | Murphy, Brennan (1557) | Won 2-0 | +191556 |
| 3extended | 37 | Allen, Brett (1695) | Lost 1-2 | -161540 |
| 4extended | 65 | Akazawa, Akio (1519) | Won 2-0 | +181558 |
| 5extended | 50 | Levy, Raphael (1991) | Lost 1-2 | -111547 |
| 6extended | 109 | Cheng, Wayne (1518) | Lost 0-2 | -181529 |
| top | average opponent: 1656record: 2-3 | new rating: 1529 | ||
| Pro Tour Geneva 2007 (PLC draft) | starting rating: 1520 | |||
| round | table | opponent (rating) | result | Δrating |
| 1draft | 116 | Szleifer, Gadiel (1774) | Won 2-0 | +221542 |
| 2draft | 89 | Madan, Daniel (1758) | Lost 0-2 | -141528 |
| 3draft | 93 | Olszak, Michael (1588) | Won 2-0 | +191547 |
| 4draft | 22 | Vlahova, Aneta (1524) | Won 2-0 | +181565 |
| 5draft | 81 | Sato, Rei (1770) | Lost 1-2 | -141551 |
| 6draft | 69 | Canali, Pierre (1821) | Lost 0-2 | -141537 |
| top | average opponent: 1706record: 3-3 | new rating: 1537 | ||
| Grand Prix Seattle 2005 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 90 | Kalita, Alex (1500) | Won 2-0 | +181518 |
| 2extended | 38 | Adams, Jason (1581) | Won 2-0 | +191537 |
| 3extended | 57 | McCall, Max (1536) | Lost 0-2 | -181519 |
| 4extended | 106 | Murari, Jordan (1518) | Won 2-1 | +181537 |
| 5extended | 37 | Wascisin, Brian (1572) | Lost 0-2 | -171520 |
| 6extended | 69 | Butler, Stephen (1518) | Won 2-1 | +181538 |
| 7extended | 54 | Neary, Nicholas (1542) | Lost 0-2 | -181520 |
| top | average opponent: 1538record: 4-3 | new rating: 1520 | ||