Polkinghorne, Adam
Current rating: 1483
Record: 5-6
| Grand Prix Zurich 2004 (Mirrodin block) | starting rating: 1522 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 103 | Giz, Fabrice (1500) | Lost 1-2 | -191503 |
| 2block | 179 | Hertig, Lionell (1484) | Won 2-1 | +181521 |
| 3block | 137 | Demangeon, Romain (1500) | Lost 1-2 | -181503 |
| 4block | 280 | Ferre, Pierre Charles (1432) | Won 2-0 | +161519 |
| 5block | 208 | Fromm, Felix (1513) | Lost 0-2 | -181501 |
| 6block | 175 | Esposito, Marco (1496) | Lost 0-2 | -181483 |
| average opponent: 1488record: 2-4 | new rating: 1483 | |||
| Grand Prix Munich 2003 (MRD limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 185 | Kofler, Kurt (1578) | Won 2-0 | +191519 |
| 2sealed | 229 | Winkler, Eric (1518) | Won 2-1 | +181537 |
| 3sealed | 91 | Lybaert, Marijn (1531) | Lost 0-2 | -181519 |
| 4sealed | 191 | Krutil, Daniel (1588) | Lost 1-2 | -161503 |
| 5sealed | 333 | Brosch, Cliff (1572) | Won 2-0 | +191522 |
| average opponent: 1557record: 3-2 | new rating: 1522 | |||