Tachi, Hiroshi
Current rating: 1415
Record: 1-6-1
| Grand Prix Yokohama 2010 (extended) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 431 | Sasaki, Yuusuke (Hyogo) (1565) | Lost 0-1 | -161449 |
| 2extended | 429 | Kishida, Hirokazu (1547) | Lost 0-1 | -161433 |
| 3extended | 450 | Hirai, Masumi (1423) | Lost 0-2 | -181415 |
| average opponent: 1512record: 0-3 | new rating: 1415 | |||
| Grand Prix Shizuoka 2008 (MOR standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 156 | Fujimoto, Takehiro (1573) | Lost 0-2 | -171483 |
| 2standard | 363 | Suzuki, Ryuuichi (1403) | Won 2-0 | +171500 |
| 3standard | 184 | Nakao, Munenari (1581) | Draw 0-0 | +11501 |
| 4standard | 245 | Shimizu, Yasushi (1500) | Lost 1-2 | -181483 |
| 5standard | 299 | Itou, Kouei (1480) | Lost 0-2 | -181465 |
| average opponent: 1507record: 1-3-1 | new rating: 1465 | |||