Koide, Yoshiki
Current rating: 1490
Record: 2-3-1
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 51 | Hidano, Yu (1500) | Lost 0-2 | -181482 |
| 2pioneer | 537 | Yamada, Ryotaro (1526) | Won 2-0 | +191501 |
| 3pioneer | 616 | Tanaka, Shinichi 5937 (1473) | Won 2-1 | +171518 |
| 4pioneer | 394 | Sun, Chuan (1986) | Lost 0-2 | -101508 |
| 5pioneer | 431 | Kawasaki, Kentaro (1480) | Draw 1-1 | 01508 |
| 6pioneer | 522 | Shang, Cheng Yan (1507) | Lost 0-2 | -181490 |
| average opponent: 1579record: 2-3-1 | new rating: 1490 | |||