Iwasaki, Shun
Current rating: 1541
Record: 14-14
| Grand Prix Shizuoka 2018 (legacy) (legacy) | starting rating: 1541 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 23 | Goto, Yuki (1550) | Won 2-0 | +181559 |
| 4legacy | 97 | Ishikawa, Takahiro (1521) | Lost 1-2 | -191540 |
| 5legacy | 212 | Hiraki, Takayoshi (1655) | Won 2-0 | +201560 |
| 6legacy | 101 | Garcia-Junceda, Javier (1638) | Lost 1-2 | -161544 |
| 7legacy | 217 | Noguchi, Hiromasa (1372) | Won 2-1 | +151559 |
| 8legacy | 175 | Mendero Jr, Samuel (1570) | Lost 0-2 | -181541 |
| top | average opponent: 1551record: 3-3 | new rating: 1541 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1561 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 120 | Kuwashiro, Yoshiyuki (1466) | Lost 0-2 | -201541 |
| top | record: 0-1 | new rating: 1541 | ||
| Grand Prix Seattle 2018 (standard) (RIX standard) | starting rating: 1580 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 260 | Strautz, Marcel (1500) | Lost 0-2 | -191561 |
| top | record: 0-1 | new rating: 1561 | ||
| Grand Prix Chiba 2016 (legacy) | starting rating: 1493 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 316 | Oosaka, Yuusuke (1841) | Lost 0-2 | -121481 |
| 4legacy | 491 | Kaneko, Tadashi (1467) | Won 2-0 | +171498 |
| 5legacy | 527 | Nagano, Keita (1794) | Won 2-1 | +241522 |
| 6legacy | 159 | Furukawa, Takashi (1523) | Won 2-1 | +181540 |
| 7legacy | 193 | Osawa, Takuya (1989) | Won 2-0 | +251565 |
| 8legacy | 96 | Edmunds, James (1596) | Won 2-1 | +191584 |
| 9legacy | 59 | Hirosawa, Yuuichirou (1605) | Won 2-1 | +181602 |
| 10legacy | 30 | Robb, Justin (1734) | Won 2-1 | +211623 |
| 11legacy | 5 | Watanabe, Yuuya (2256) | Lost 1-2 | -81615 |
| 12legacy | 31 | Narita, Chisato (1584) | Lost 1-2 | -191596 |
| 13legacy | 98 | Hiraki, Takayoshi (1646) | Won 2-1 | +191615 |
| 14legacy | 53 | Abe, Ken'Ichi (1631) | Lost 0-2 | -181597 |
| 15legacy | 58 | Satou, Akihiko (1632) | Lost 1-2 | -171580 |
| top | average opponent: 1715record: 8-5 | new rating: 1580 | ||
| Grand Prix Kyoto 2015 (legacy) | starting rating: 1510 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 524 | Naitou, Yuusuke (1519) | Lost 0-2 | -171493 |
| top | record: 0-1 | new rating: 1493 | ||
| Grand Prix Columbus 2010 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4legacy | 410 | Ngo, Kiet (1724) | Lost 0-2 | -141486 |
| 5legacy | 508 | Wilson, Zack (1536) | Lost 0-2 | -171469 |
| 6legacy | 550 | Duguay, Pierre-Marc (1501) | Won 2-0 | +191488 |
| 7legacy | 464 | Tsao, Dennis (1661) | Won 2-0 | +211509 |
| 8legacy | 457 | LaMendola, Charles T (1555) | Lost 0-2 | -181491 |
| 9legacy | 473 | Seibert, Eric (1539) | Won 2-0 | +191510 |
| top | average opponent: 1586record: 3-3 | new rating: 1510 | ||