Itsukushima, Shun
Current rating: 1520
Record: 14-13
| Grand Prix Nagoya 2019 (ELD standard) | starting rating: 1525 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 255 | Kushibe, Toshiki (1517) | Won 2-1 | +181543 |
| 2standard | 154 | Kuroyanagi, Yoshimi (1519) | Won 2-1 | +171560 |
| 3standard | 134 | Hagi, Shogo (1547) | Lost 0-2 | -181542 |
| 4standard | 240 | Morishita, Yoshihisa (1346) | Won 2-0 | +151557 |
| 5standard | 277 | Taguchi, Hiroyasu (1536) | Won 2-0 | +171574 |
| 6standard | 104 | Suzuki, Masahiro 890 (1546) | Lost 0-1 | -181556 |
| 7standard | 277 | Kamimura, Fumihiro (1524) | Lost 1-2 | -191537 |
| 8standard | 352 | Doi, Yuuta (1565) | Lost 1-2 | -171520 |
| top | average opponent: 1513record: 4-4 | new rating: 1520 | ||
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1573 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 208 | Kitamoto, Hiroki (1907) | Lost 0-2 | -121561 |
| 2sealed | 727 | Yasuda, Hisashi (1540) | Lost 1-2 | -181543 |
| 3sealed | 1023 | Ishihara, Takashi6753 (1554) | Lost 0-2 | -181525 |
| top | average opponent: 1667record: 0-3 | new rating: 1525 | ||
| Grand Prix Yokohama 2019 (modern) | starting rating: 1540 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 300 | Ishii, Ryou (1711) | Won 2-0 | +211561 |
| 2modern | 535 | Hara, Kouki (1500) | Lost 1-2 | -191542 |
| 3modern | 582 | Tomonori, Makanae (1500) | Won 2-0 | +171559 |
| 4modern | 333 | Mizoguchi, Yuya (1492) | Won 2-1 | +171576 |
| 5modern | 234 | Saka, Yusuke (1525) | Lost 0-2 | -191557 |
| 6modern | 631 | Nakajima, Ryo (1523) | Lost 1-2 | -191538 |
| 7modern | 627 | Horikawa, Jun (1489) | Won 2-1 | +171555 |
| 8modern | 449 | Yokota, Kazuya (1566) | Won 2-0 | +181573 |
| top | average opponent: 1538record: 5-3 | new rating: 1573 | ||
| Grand Prix Kyoto 2019 (RNA standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 82 | Robison, Austin (1521) | Won 2-1 | +181518 |
| 2standard | 118 | Su, Yu-Chen (1518) | Won 2-1 | +181536 |
| 3standard | 125 | Hirata, Tomoki (1550) | Lost 0-2 | -171519 |
| 4standard | 339 | Kojima, Yoshifumi (1540) | Won 2-1 | +181537 |
| 5standard | 291 | Hayamizu, Akira (1577) | Won 2-0 | +191556 |
| 6standard | 206 | Imazawa, Junpei (1561) | Won 2-1 | +181574 |
| 7standard | 121 | Hozuki, Atsushi (1588) | Lost 1-2 | -181556 |
| 8standard | 300 | Yoshimori, Sho (1639) | Lost 0-2 | -161540 |
| top | average opponent: 1562record: 5-3 | new rating: 1540 | ||