Yoneyama, Hiroshi
Current rating: 1564
Record: 11-9
| Grand Prix Yokohama 2019 (modern) | starting rating: 1490 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 546 | Shishibori, Kohei (1469) | Won 2-0 | +171507 |
| 2modern | 153 | Hui, Yew Woh (1659) | Won 2-0 | +211528 |
| 3modern | 304 | Miura, Taku (1500) | Won 2-0 | +181546 |
| 4modern | 122 | Nagao, Naoki (1629) | Lost 0-2 | -171529 |
| 5modern | 303 | Oomori, Shouhei (1525) | Lost 1-2 | -181511 |
| 6modern | 597 | Takao, Shota (1952) | Won 2-1 | +251536 |
| 7modern | 303 | Miyahara, Shun (1540) | Won 2-0 | +191555 |
| 8modern | 327 | Nakamoto, Naoki (1510) | Won 2-1 | +171572 |
| 9modern | 172 | Tasugi, Keigo (1590) | Lost 0-2 | -181554 |
| 10modern | 170 | Chiba, Akio (2002) | Lost 1-2 | -101544 |
| 11modern | 218 | Ohtsuka, Fukuo (1541) | Lost 0-2 | -181526 |
| 12modern | 214 | Rita, Takayuki (1611) | Lost 1-2 | -171509 |
| 13modern | 202 | Toshida, Shin'ichi (1436) | Won 2-1 | +171526 |
| 14modern | 173 | Watanabe, Yuta 8061 (1621) | Won 2-1 | +201546 |
| 15modern | 168 | Mori, Tomoki (1543) | Won 2-0 | +181564 |
| average opponent: 1608record: 9-6 | new rating: 1564 | |||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 367 | Nishiyama, Naoki (1560) | Lost 1-2 | -171483 |
| 2sealed | 936 | Suguro, Takuya (1484) | Won 2-0 | +181501 |
| 3sealed | 713 | Kawano, Junichi (1641) | Lost 1-2 | -151486 |
| 4sealed | 991 | Lu, Tung Ken (1520) | Won 2-0 | +181504 |
| 5sealed | 597 | Aoki, Shougo (1691) | Lost 1-2 | -141490 |
| average opponent: 1579record: 2-3 | new rating: 1490 | |||