Whittaker, Stephen
Current rating: 1485
Record: 7-8
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1522 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 922 | Nishiki, Kentarou (1500) | Won 2-1 | +171539 |
| 2sealed | 751 | Naka, Hidehiro (1518) | Lost 0-2 | -181521 |
| 3sealed | 968 | Ushio, Akihiro (1499) | Lost 1-2 | -181503 |
| 4sealed | 1063 | Hara, Ryota (1485) | Lost 1-2 | -191484 |
| 5sealed | 1044 | Ishikawa, Seiji (1467) | Won 2-0 | +181502 |
| 6sealed | 975 | Iwamoto, Reo (1582) | Lost 1-2 | -171485 |
| average opponent: 1508record: 2-4 | new rating: 1485 | |||
| Grand Prix Singapore 2013 (RTR limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 189 | Pang, Miaode (1482) | Won 2-0 | +181518 |
| 2sealed | 25 | Au Yong, Wai Kin (1700) | Lost 1-2 | -151503 |
| 3sealed | 292 | Kwan, Yann Way (1501) | Lost 0-2 | -181485 |
| 4sealed | 353 | Asehan, Ceasar John (1603) | Won 2-1 | +201505 |
| 5sealed | 249 | Ong, Toon Hoe Clarence (1500) | Won 2-0 | +181523 |
| 6sealed | 160 | Leo, Wei Keong (1519) | Won 2-1 | +181541 |
| 7sealed | 89 | Ibrahim, Khairil (1488) | Lost 0-2 | -191522 |
| 8sealed | 180 | Choo, Guo Xiong Mark (1513) | Won 2-0 | +181540 |
| 9sealed | 131 | Wong, Eugene (1541) | Lost 1-2 | -181522 |
| average opponent: 1539record: 5-4 | new rating: 1522 | |||