Yamagiwa, Yuji
Current rating: 1480
Record: 4-5-1
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1514 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 261 | Matumoto, Yoshitaka (1664) | Lost 1-2 | -151499 |
| 2pioneer | 439 | Yasuda, Keita (1366) | Won 2-0 | +161515 |
| 3pioneer | 436 | Kuramoto, Shinji (1489) | Lost 0-2 | -191496 |
| 4pioneer | 660 | Katsubayashi, Nobuhisa (1608) | Lost 1-2 | -161480 |
| average opponent: 1532record: 1-3 | new rating: 1480 | |||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 2128 | Okamura, Koshi (1500) | Draw 1-1 | 01500 |
| 2sealed | 2258 | Takahashi, Yoshiaki (1396) | Won 2-0 | +161516 |
| 3sealed | 2210 | Nihongi, Yuta (1396) | Won 2-1 | +161532 |
| 4sealed | 2109 | Shimizu, Sho (1592) | Lost 0-2 | -171515 |
| 5sealed | 2208 | Kano, Daichi (1517) | Won 2-0 | +181533 |
| 6sealed | 2135 | Fujimoto, Keiji (1501) | Lost 1-2 | -191514 |
| average opponent: 1484record: 3-2-1 | new rating: 1514 | |||