Stewart, Peter
Current rating: 1488
| Grand Prix London 2011 (MBS limited) | starting rating: 1496 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 9 | Gershaw, Alex (1500) | Won 2-0 | +191515 |
| 2sealed | 71 | Perez, Joshua M (1516) | Won 2-1 | +181533 |
| 3sealed | 22 | Comte, Florian (1742) | Lost 1-2 | -151518 |
| 4sealed | 78 | Cammilluzzi, Marco (1623) | Lost 1-2 | -161502 |
| 5sealed | 120 | Tomelitsch, Patrick (1619) | Won 2-1 | +201522 |
| 6sealed | 92 | Barcellos, Guilherme (1661) | Lost 1-2 | -151507 |
| 7sealed | 88 | Papacostas, Petros A (1499) | Won 2-1 | +181525 |
| 8sealed | 62 | Hallberg, Niklas (1493) | Lost 1-2 | -191506 |
| 9sealed | 55 | Landart De Mayo, Leona (1503) | Lost 1-2 | -181488 |
| top | average opponent: 1573record: 4-5 | new rating: 1488 | ||
| Grand Prix Brighton 2009 (M10 limited) | starting rating: 1518 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 145 | Batten, Max S (1500) | Won 2-0 | +181536 |
| 2sealed | 112 | Zimmermann, Raoul (1534) | Lost 0-2 | -181518 |
| 3sealed | 174 | Mortegoutte, Nicolas (1414) | Lost 1-2 | -201498 |
| 4sealed | 269 | Mullin, Sarah (1483) | Won 2-1 | +181516 |
| 5sealed | 255 | Westerlund, Alexander (1458) | Lost 0-2 | -201496 |
| top | average opponent: 1478record: 2-3 | new rating: 1496 | ||
| Grand Prix Cardiff 2006 (GPT limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 118 | Turner, Ian (1500) | Lost 1-2 | -181482 |
| 2sealed | 124 | Steventon, Martin (1482) | Won 0-0 | +181500 |
| 3sealed | 83 | Birtwell, Jez (1500) | Won 2-1 | +181518 |
| 4sealed | 60 | Barnett, Adam M (1517) | Draw 1-1 | 01518 |
| 5sealed | 81 | Sedgman, Charles (1518) | Won 2-0 | +181536 |
| 6sealed | 53 | Sidebottom, David (1539) | Lost 0-2 | -181518 |
| top | average opponent: 1509record: 3-2-1 | new rating: 1518 | ||