Hamabe, Kazuhiko
Current rating: 1504
Record: 6-6
| Grand Prix Sapporo 2002 (Odyssey block) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 71 | Tsuji, Hisanao (1508) | Lost 1-2 | -171464 |
| 3block | 142 | Mayuzumi, Shinichi (1533) | Lost 0-2 | -171447 |
| 4block | 178 | Nara, Nobuaki (1466) | Won 2-0 | +181465 |
| 5block | 107 | Oikawa, Hakudou (1504) | Won 2-1 | +191484 |
| 6block | 72 | Matsuhashi, Hideto (1519) | Won 2-1 | +191503 |
| 7block | 70 | Furukawa, Yuuki (1520) | Won 2-0 | +181521 |
| 8block | 112 | Oshima, Meguru (1556) | Lost 0-2 | -171504 |
| average opponent: 1515record: 4-3 | new rating: 1504 | |||
| Grand Prix Sapporo 2000 (PCY limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 35 | Kamei, Kazuhiko (1500) | Lost 1-2 | -181482 |
| 2sealed | 69 | Ando, Nobuhiro (1482) | Won 2-0 | +181500 |
| 3sealed | 87 | Saito, Kenji (1482) | Won 2-0 | +181518 |
| 4sealed | 42 | Kusanagi, Kazuki (1518) | Lost 0-2 | -181500 |
| 5sealed | 89 | Asari, Kouzou (1472) | Lost 1-2 | -191481 |
| average opponent: 1491record: 2-3 | new rating: 1481 | |||