Anderson, Gareth
Current rating: 1446
| Grand Prix Brighton 2009 (M10 limited) | starting rating: 1438 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 159 | Bleys, Tony (1508) | Won 2-1 | +201458 |
| 2sealed | 18 | Castle, Tom (1519) | Won 2-0 | +191477 |
| 3sealed | 21 | Menten, Robbert (1437) | Lost 1-2 | -191458 |
| 4sealed | 195 | Andersen, Emil (1529) | Lost 0-2 | -171441 |
| 5sealed | 193 | Bonfield, Rebecca (1452) | Won 2-1 | +191460 |
| 6sealed | 168 | Vieren, Peter (1701) | Lost 0-2 | -141446 |
| top | average opponent: 1524record: 3-3 | new rating: 1446 | ||
| Grand Prix Toulouse 2006 (DIS limited) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 200 | Mangata Ramsamy, Joel (1500) | Won 2-0 | +191484 |
| 2sealed | 43 | Perthuis, Thibault (1572) | Lost 0-2 | -161468 |
| 3sealed | 216 | Vairai, Anthony (1500) | Won 2-1 | +181486 |
| 4sealed | 161 | Cestaro, Laurent (1680) | Lost 0-2 | -141472 |
| 5sealed | 161 | Bakouche, Paul (1597) | Lost 0-2 | -161456 |
| 6sealed | 195 | Millot, Jean-mich (1425) | Lost 1-2 | -191437 |
| 7sealed | 198 | Grondin, Christophe (1466) | Won 2-0 | +191456 |
| 8sealed | 142 | Hubert, Louis (1488) | Lost 0-2 | -181438 |
| top | average opponent: 1528record: 3-5 | new rating: 1438 | ||
| Grand Prix Cardiff 2006 (GPT limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 115 | Luqmani, Adam (1500) | Lost 0-2 | -181482 |
| 2sealed | 110 | Rensonnet, Pierre (1555) | Lost 0-0 | -171465 |
| 3sealed | 146 | Davy, Mike (1465) | Draw 1-1 | 01465 |
| top | average opponent: 1507record: 0-2-1 | new rating: 1465 | ||