Iwasaki, Yusuke
Current rating: 1591
Record: 17-13-1
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1574 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 307 | Ikeda, Kengo (1483) | Draw 1-1 | -21572 |
| 2standard | 796 | Moriwaki, Takuya (1462) | Won 2-0 | +161588 |
| 3standard | 785 | Asai, Ikuya (1696) | Won 2-0 | +201608 |
| 4standard | 384 | Hung, Hsun Hao (1696) | Lost 1-2 | -171591 |
| top | average opponent: 1584record: 2-1-1 | new rating: 1591 | ||
| Grand Prix Kobe 2014 (modern) | starting rating: 1534 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 713 | Nose, Koji (1904) | Lost 0-2 | -111523 |
| 3modern | 926 | Nagase, Hirofumi (1429) | Won 2-1 | +161539 |
| 4modern | 900 | Kadowaki, Masashi (1519) | Won 2-0 | +181557 |
| 5modern | 870 | Shirai, Yuuki (1553) | Lost 1-2 | -181539 |
| 6modern | 897 | Takamiya, Raku (1518) | Won 2-0 | +171556 |
| 7modern | 924 | Iwama, Hirokazu (1620) | Won 2-0 | +191575 |
| 8modern | 815 | Tei, Shinri (1554) | Won 2-0 | +181593 |
| 9modern | 757 | Saida, Toshihiro (1514) | Lost 1-2 | -191574 |
| top | average opponent: 1576record: 5-3 | new rating: 1574 | ||
| Grand Prix Taipei 2014 (M15 limited) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 140 | Neo, Eugene (1539) | Won 2-0 | +191501 |
| 3sealed | 120 | Lin, Jien Shuen (1536) | Won 2-1 | +191520 |
| 4sealed | 1 | Chong, Kevin (1529) | Lost 0-2 | -181502 |
| 5sealed | 69 | Chen, Lei (1551) | Won 2-1 | +191521 |
| 6sealed | 110 | Teo, Yuen Peir (1725) | Won 2-0 | +221543 |
| 7sealed | 66 | Li, Fabien (1939) | Lost 0-2 | -111532 |
| 8sealed | 93 | Hung, Juo Wen (1503) | Won 2-0 | +171549 |
| 9sealed | 56 | Tai, Kei Leung (1723) | Lost 0-2 | -151534 |
| top | average opponent: 1631record: 5-3 | new rating: 1534 | ||
| Grand Prix Shizuoka 2013 (THS standard) | starting rating: 1515 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 14 | Mochiki, Kazuto (1539) | Lost 1-2 | -171498 |
| 4standard | 202 | Nagao, Yasutaka (1499) | Won 2-0 | +181516 |
| 5standard | 74 | Ishimaru, Ken (1720) | Lost 1-2 | -151501 |
| 6standard | 188 | Sashida, Tomoro (1447) | Lost 1-2 | -191482 |
| top | average opponent: 1551record: 1-3 | new rating: 1482 | ||
| Grand Prix Kitakyushu 2005 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 57 | Tsumagari, Hideya (1392) | Lost 0-2 | -201480 |
| 2extended | 88 | Suenaga, Shinichirou (1482) | Won 2-0 | +181498 |
| 3extended | 60 | Sugiura, Kiyohiro (1490) | Won 2-0 | +181516 |
| 4extended | 68 | Fujimoto, Tatsuya (1519) | Lost 0-2 | -181498 |
| 5extended | 101 | Shiraishi, Hiroaki (1553) | Won 2-1 | +191517 |
| 6extended | 72 | Nagata, Satoshi (1447) | Won 2-0 | +171534 |
| 7extended | 56 | Shoji, Kenta (1508) | Lost 0-2 | -191515 |
| top | average opponent: 1485record: 4-3 | new rating: 1515 | ||