Iisumi, Yukinori
Current rating: 1424
Record: 5-10
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1441 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 555 | Takeuchi, Norikatsu (1500) | Lost 0-2 | -171424 |
| top | record: 0-1 | new rating: 1424 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1454 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 412 | Kamiyama, Masayuki (1543) | Lost 0-2 | -161438 |
| 2standard | 775 | Kitagawa, Tomohiro (1428) | Lost 0-2 | -191419 |
| 3standard | 1196 | Makishita, Yamato (1449) | Won 2-1 | +191438 |
| 4standard | 1058 | Nakamichi, Ichiro (1481) | Won 2-0 | +191457 |
| 5standard | 808 | Tabata, Yuusuke (1586) | Lost 1-2 | -161441 |
| top | average opponent: 1497record: 2-3 | new rating: 1441 | ||
| Grand Prix Shizuoka 2013 (THS standard) | starting rating: 1487 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 694 | Sutou, Takuo (1712) | Lost 1-2 | -141473 |
| 2standard | 744 | Hokumura, Tatsuro (1428) | Lost 1-2 | -191454 |
| 3standard | 904 | Mashiko, Soshi (1464) | Won 2-0 | +191473 |
| 4standard | 840 | Kamai, Daisuke (1434) | Lost 1-2 | -191454 |
| top | average opponent: 1509record: 1-3 | new rating: 1454 | ||
| Grand Prix Kitakyushu 2013 (M14 standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 316 | Wakahara, Kazumi (1519) | Lost 0-2 | -181482 |
| 2standard | 293 | Terawaki, Koji (1502) | Lost 1-2 | -171465 |
| 3standard | 493 | Fuchigami, Masato (1465) | Won 2-0 | +181483 |
| 4standard | 410 | Kashima, Akihiro (1556) | Lost 0-2 | -171466 |
| 5standard | 482 | Ohtani, Yuya (1641) | Won 2-1 | +211487 |
| top | average opponent: 1537record: 2-3 | new rating: 1487 | ||