Tadehara, Takatomo
Current rating: 1537
Record: 7-5-1
| Grand Prix Sapporo 2002 (Odyssey block) | starting rating: 1534 | |||
| round | table | opponent (rating) | result | Δrating |
| 3block | 37 | Yuasa, Kentarou (1640) | Lost 0-2 | -161518 |
| 4block | 110 | Nakajima, Chikara (1533) | Won 2-0 | +191537 |
| 5block | 81 | Kubota, Junji (1537) | Won 2-1 | +181555 |
| 6block | 48 | Kageyama, Kiyotomo (1566) | Lost 0-2 | -181537 |
| 7block | 55 | Shikamoto, Hideki (1589) | Won 2-1 | +191556 |
| 8block | 20 | Konagai, Ryota (1487) | Lost 1-2 | -191537 |
| average opponent: 1559record: 3-3 | new rating: 1537 | |||
| Grand Prix Sapporo 2000 (PCY limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 76 | Sasaki, Satoru (1500) | Draw 1-1 | 01500 |
| 2sealed | 59 | Kawaguchi, Naoki (1500) | Won 2-0 | +181518 |
| 3sealed | 53 | Akamatsu, Yoshiki (1518) | Lost 0-2 | -181500 |
| 4sealed | 81 | Wang, Ming Chee (1444) | Won 2-1 | +171517 |
| 5sealed | 56 | Nomura, Masaki (1518) | Won 2-0 | +181535 |
| 6sealed | 41 | Takahashi, Katsuyoshi (1536) | Won 2-1 | +181553 |
| 7sealed | 25 | Ikeda, Kei (1521) | Lost 0-2 | -191534 |
| average opponent: 1505record: 4-2-1 | new rating: 1534 | |||