Ikai, Hironobu
Current rating: 1578
Record: 9-5
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 56 | Ito, Katsuaki (1423) | Won 2-1 | +171517 |
| 2pioneer | 54 | Nanamori, Kouhei (1723) | Won 2-1 | +211538 |
| 3pioneer | 297 | Taki, Masaya (1281) | Lost 1-2 | -221516 |
| 4pioneer | 555 | Fukagawa, Takayuki (1541) | Won 2-0 | +181534 |
| 5pioneer | 343 | Murakami, Yuuki 5742 (1622) | Won 2-1 | +201554 |
| 6pioneer | 138 | Watanabe, Sho (1610) | Lost 1-2 | -171537 |
| 7pioneer | 344 | Mizuno, Ginjiro (1540) | Won 2-0 | +181555 |
| 8pioneer | 177 | Goryo, Akira (1647) | Won 2-1 | +201575 |
| 9pioneer | 101 | Takada, Narumasa (1554) | Lost 0-2 | -191556 |
| 10pioneer | 126 | Hagi, Shogo (1609) | Won 2-0 | +191575 |
| 11pioneer | 91 | Kosuga, Shuhei (1510) | Won 2-1 | +171592 |
| 12pioneer | 96 | Wang, Kunrui (1673) | Lost 1-2 | -171575 |
| 13pioneer | 115 | Takano, Shota (1702) | Won 2-0 | +211596 |
| 14pioneer | 83 | Nakamura, Yuya (1615) | Lost 1-2 | -181578 |
| average opponent: 1575record: 9-5 | new rating: 1578 | |||