Iioka, Natsuru
Current rating: 1565
Record: 16-12
| Grand Prix Chiba 2016 (legacy) | starting rating: 1550 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 597 | Winn, Eric (1488) | Won 2-1 | +171567 |
| 2legacy | 392 | Negishi, Haruki (1469) | Lost 1-2 | -201547 |
| 3legacy | 661 | Nguyen, Tri (1485) | Won 2-1 | +171564 |
| 4legacy | 465 | Nishiura, Natsu (1511) | Won 2-1 | +171581 |
| 5legacy | 364 | Faber, Manuel (1876) | Lost 0-2 | -131568 |
| 6legacy | 600 | Oonishi, Masaya (1452) | Won 2-1 | +161584 |
| 7legacy | 360 | Yuasa, Masaki (1530) | Lost 0-2 | -191565 |
| top | average opponent: 1544record: 4-3 | new rating: 1565 | ||
| Grand Prix Yokohama 2012 (modern) | starting rating: 1515 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 286 | Aranami, Yuuki (1500) | Won 2-1 | +181533 |
| 2modern | 20 | Ishizuka, Shinji (1518) | Won 2-0 | +181551 |
| 3modern | 30 | Welsh, Anthony (1507) | Won 2-1 | +171568 |
| 4modern | 99 | Morita, Yo (1566) | Lost 0-2 | -181550 |
| 5modern | 252 | Hagiwara, Noriyuki (1712) | Lost 1-2 | -151535 |
| 6modern | 347 | Shimizu, Souichirou (1466) | Won 2-1 | +161551 |
| 7modern | 283 | Kabe, Kazuki (1507) | Won 2-1 | +181569 |
| 8modern | 141 | Watanabe, Ryuji (1544) | Lost 1-2 | -191550 |
| top | average opponent: 1540record: 5-3 | new rating: 1550 | ||
| Grand Prix Sendai 2010 (ROE standard) | starting rating: 1555 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 247 | Kitani, Ryouta (1484) | Won 2-0 | +171572 |
| 2standard | 45 | Haneda, Ryouhei (1579) | Lost 1-2 | -181554 |
| 3standard | 231 | Nakamura, Mineyuki (1442) | Lost 0-2 | -201534 |
| 4standard | 378 | Okuya, Yoshihito (1484) | Lost 0-2 | -191515 |
| top | average opponent: 1497record: 1-3 | new rating: 1515 | ||
| Grand Prix Yokohama 2010 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 149 | Mitome, Hiroumi (1500) | Won 2-0 | +181518 |
| 2extended | 51 | Miyawaki, Ryosuke (1516) | Lost 0-2 | -181500 |
| 3extended | 267 | Nakagawa, Shinichi (1498) | Won 2-0 | +181518 |
| 4extended | 239 | Kobayashi, Takuto (1517) | Lost 1-2 | -181500 |
| 5extended | 251 | Yabuta, Junichi (1552) | Won 2-1 | +191519 |
| 6extended | 169 | Suzuki, Fumito (1670) | Won 2-0 | +211540 |
| 7extended | 150 | Ogawa, Masato (1539) | Won 2-0 | +181558 |
| 8extended | 203 | Nakamura, Fumitake (1471) | Won 2-0 | +161574 |
| 9extended | 53 | Ariyoshi, Daisuke (1527) | Lost 0-2 | -191555 |
| top | average opponent: 1532record: 6-3 | new rating: 1555 | ||