Sakamoto, Takurou
Current rating: 1481
Record: 5-7-1
| Grand Prix Kitakyushu 2009 (ZEN limited) | starting rating: 1487 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 5 | Kai, Tsubasa (1785) | Lost 0-2 | -121475 |
| 5sealed | 58 | Aritaka, Ryouichi (1541) | Lost 0-2 | -171458 |
| 6sealed | 145 | Ishida, Ryuichiro (1489) | Won 2-0 | +181476 |
| 7sealed | 69 | Iwakane, Yuya (1556) | Won 2-0 | +201496 |
| 8sealed | 75 | Inoue, Toru (1680) | Lost 1-2 | -151481 |
| average opponent: 1610record: 2-3 | new rating: 1481 | |||
| Grand Prix Kitakyushu 2007 (LRW limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 32 | Maehata, Yasuhito (1664) | Lost 1-2 | -151485 |
| 2sealed | 120 | Soma, Kazuki (1466) | Won 2-1 | +181503 |
| 3sealed | 71 | Kato, Akinori (1507) | Won 2-0 | +181521 |
| 4sealed | 90 | Katou, Masanari (1517) | Draw 1-1 | 01521 |
| 5sealed | 81 | Ikawa, Yoshihiko (1619) | Lost 1-2 | -171504 |
| 6sealed | 101 | Yanagisawa, Tadahiro (1606) | Won 2-0 | +201524 |
| 7sealed | 70 | Oomura, Tomoya (1545) | Lost 0-2 | -171507 |
| 8sealed | 43 | Tamano, Eiji (1430) | Lost 1-2 | -201487 |
| average opponent: 1544record: 3-4-1 | new rating: 1487 | |||