Tani, Hiroaki
Current rating: 1605
| Grand Prix Sapporo 2002 (Odyssey block) | starting rating: 1601 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 122 | Nagata, Masafumi (1500) | Won 2-0 | +161617 |
| 2block | 81 | Kim, Yon-Oku (1500) | Lost 0-1 | -201597 |
| 3block | 169 | Goto, Yoshiharu (1499) | Won 2-0 | +161613 |
| 4block | 114 | Osaka, Yusuke (1427) | Won 2-1 | +151628 |
| 5block | 43 | Ota, Tetsuro (1538) | Won 2-1 | +161644 |
| 6block | 38 | Hirakawa, Kenshiro (1539) | Lost 0-2 | -201624 |
| 7block | 71 | Ruike, Hiroyuki (1543) | Lost 1-2 | -191605 |
| top | average opponent: 1507record: 4-3 | new rating: 1605 | ||
| Grand Prix Kobe 2001 (Invasion block) | starting rating: 1572 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 295 | Hirota, Yuzo (1518) | Won 2-0 | +171589 |
| 3block | 10 | Matsuki, Takashi (1499) | Draw 1-1 | -11588 |
| 4block | 144 | Nakajima, Mikihito (1520) | Won 2-0 | +161604 |
| 5block | 75 | Iwai, Tsuyoshi (1554) | Lost 1-2 | -191585 |
| 6block | 171 | Mayuzumi, Shinichi (1548) | Won 2-1 | +181603 |
| 7block | 100 | Okuda, Yuki (1588) | Won 2-1 | +171620 |
| 8block | 53 | Kim, Yong-Ok (1540) | Lost 0-2 | -191601 |
| top | average opponent: 1538record: 4-2-1 | new rating: 1601 | ||
| Grand Prix Kyoto 2000 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 32 | Banda, Ryuichi (1500) | Won 2-0 | +181518 |
| 2extended | 26 | Yasukawa, Kazuhide (1518) | Won 2-0 | +181536 |
| 3extended | 112 | Higaki, Takao (1558) | Lost 0-2 | -181518 |
| 4extended | 98 | Mochizuki, Hiroyuki (1518) | Won 2-0 | +181536 |
| 5extended | 107 | Kawabata, Tomoyuki (1536) | Won 2-0 | +181554 |
| 6extended | 27 | Nishiwaki, Masahiro (1538) | Lost 0-2 | -181536 |
| 7extended | 101 | Nonishi, Keiichiro (1555) | Won 2-1 | +181554 |
| 8extended | 44 | Yokoyama, Kazuya (1538) | Won 2-0 | +181572 |
| top | average opponent: 1533record: 6-2 | new rating: 1572 | ||