Orum, Iohan
Current rating: 1468
| Grand Prix Brussels 2010 (WWK standard) | starting rating: 1504 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 820 | Meylan, Nicolas (1484) | Lost 1-2 | -181486 |
| 2standard | 811 | Venchiarutti, Philippe (1614) | Won 2-0 | +201506 |
| 3standard | 829 | Villot, Alexandre (1485) | Lost 0-2 | -181488 |
| 4standard | 960 | Sirel, Mathieu (1409) | Lost 1-2 | -201468 |
| top | average opponent: 1498record: 1-3 | new rating: 1468 | ||
| Grand Prix Brighton 2009 (M10 limited) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 131 | Geach, James R (1500) | Won 2-1 | +181539 |
| 2sealed | 49 | Hecht, Stefan (1643) | Lost 1-2 | -161523 |
| 3sealed | 186 | Titmarsh, Ben (1501) | Lost 1-2 | -191504 |
| top | average opponent: 1548record: 1-2 | new rating: 1504 | ||
| Grand Prix Copenhagen 2008 (EVE standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 58 | Christensen, Philip (1500) | Lost 1-2 | -181482 |
| 2standard | 193 | Olsen, Johnny B. (1484) | Won 2-0 | +181500 |
| 3standard | 138 | Jorgensen, Anders Pete (1503) | Won 2-0 | +181518 |
| 4standard | 175 | Nepper-Christensen, Niels (1639) | Lost 1-2 | -161502 |
| 5standard | 224 | Norgaard, Morten (1505) | Won 2-0 | +181520 |
| 6standard | 161 | Stenman, Peter (1491) | Won 2-0 | +181538 |
| 7standard | 118 | Barbosa, Andre (1605) | Lost 0-2 | -171521 |
| top | average opponent: 1532record: 4-3 | new rating: 1521 | ||