Steventon, Martin
Current rating: 1433
Record: 3-7
| Grand Prix Birmingham 2008 (Lorwyn block) | starting rating: 1427 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 154 | Aslanidis, Nikolaos (1500) | Won 2-1 | +191446 |
| 2block | 129 | Curran, Patrick (1517) | Lost 0-2 | -161430 |
| 3block | 192 | Reece-Heal, Marco (1520) | Lost 1-2 | -171413 |
| 4block | 209 | Cuervo, Alejo (1416) | Won 2-0 | +181431 |
| 5block | 166 | Rashvand, Leila K (1503) | Won 1-0 | +201451 |
| 6block | 105 | Martin, Wolfram (1484) | Lost 0-0 | -181433 |
| average opponent: 1490record: 3-3 | new rating: 1433 | |||
| Grand Prix Cardiff 2006 (GPT limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 24 | Keen, Jason (1520) | Lost 0-2 | -181482 |
| 2sealed | 124 | Stewart, Peter (1482) | Lost 0-0 | -181464 |
| 3sealed | 139 | Baker, Keef (1386) | Lost 1-2 | -191445 |
| 4sealed | 166 | Javaid, Mohammad (1448) | Lost 0-2 | -181427 |
| average opponent: 1459record: 0-4 | new rating: 1427 | |||