Tanahashi, Takahiro
Current rating: 1427
| Grand Prix Kobe 2011 (extended) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 182 | Oosawa, Jun (1421) | Lost 0-2 | -191445 |
| 2extended | 293 | Matsumoto, Yoshifumi (1429) | Lost 1-2 | -181427 |
| top | average opponent: 1425record: 0-2 | new rating: 1427 | ||
| Grand Prix Sendai 2010 (ROE standard) | starting rating: 1501 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 40 | Dan, Takuya (1632) | Lost 0-2 | -161485 |
| 2standard | 373 | Ishigaki, Ryousuke (1571) | Won 2-1 | +201505 |
| 3standard | 162 | Saeki, Katsuhisa (1501) | Lost 1-2 | -181487 |
| 4standard | 337 | Ikenishi, Tomoki (1481) | Won 2-0 | +171504 |
| 5standard | 258 | Kobayashi, Atsumu (1507) | Won 2-1 | +181522 |
| 6standard | 168 | Kamizono, Naoki (1479) | Lost 1-2 | -181504 |
| 7standard | 212 | Takada, Ryo (1321) | Lost 0-2 | -221482 |
| 8standard | 208 | Ishihara, Susumu (1467) | Lost 0-2 | -181464 |
| top | average opponent: 1495record: 3-5 | new rating: 1464 | ||
| Grand Prix Utsunomiya 2002 (ONS rochester) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 144 | Ueno, Kazuki (1538) | Lost 0-2 | -171483 |
| 2sealed | 304 | Yokoyama, Tatsuya (1482) | Lost 0-2 | -181465 |
| 3sealed | 303 | Sasaki, Kuniaki (1464) | Won 2-0 | +181483 |
| 4sealed | 202 | Onda, Kazuteru (1483) | Won 2-0 | +181501 |
| top | average opponent: 1492record: 2-2 | new rating: 1501 | ||