Yamamoto, Hiroshi
Current rating: 1536
| Grand Prix Yokohama 2019 (modern) | starting rating: 1522 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 427 | Inoue, Takahiro (1500) | Won 2-0 | +181540 |
| 2modern | 589 | Koshida, Yusuke (1403) | Won 2-1 | +151555 |
| 3modern | 472 | Ogiwara, Ryoichi (1489) | Lost 0-2 | -191536 |
| 4modern | 507 | Narushima, Akira (1507) | Lost 0-2 | -191517 |
| 5modern | 616 | Yamaguchi, Ryutarou (1500) | Won 2-0 | +181535 |
| 6modern | 540 | Asano, Tatsuro (1567) | Won 2-1 | +191554 |
| 7modern | 433 | Jo, Mo (1588) | Lost 0-2 | -181536 |
| top | average opponent: 1507record: 4-3 | new rating: 1536 | ||
| Grand Prix Kobe 2017 (modern) | starting rating: 1520 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 29 | Shutarou, Haruta (1500) | Won 2-1 | +171537 |
| 2modern | 526 | Sugiyama, Taiki (1497) | Lost 0-2 | -181519 |
| 3modern | 697 | Mizutani, Yosuke (1666) | Won 2-0 | +201539 |
| 4modern | 617 | Taniguchi, Yuta (1500) | Lost 1-2 | -181521 |
| 5modern | 668 | Takemura, Yuuki (1595) | Won 2-0 | +191540 |
| 6modern | 777 | Akai, Satoshi (1542) | Lost 0-2 | -181522 |
| top | average opponent: 1550record: 3-3 | new rating: 1522 | ||
| Grand Prix Niigata 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 185 | Kumagai, Haruka (1500) | Won 2-1 | +181518 |
| 2sealed | 76 | Ikeda, Naoto (1367) | Won 2-0 | +151533 |
| 3sealed | 78 | Fujita, Shunsuke (1534) | Won 2-0 | +181551 |
| 4sealed | 27 | Nakamura, Hajime (1627) | Lost 0-2 | -161535 |
| 5sealed | 120 | Hosokawa, Yuya (1660) | Lost 0-2 | -161519 |
| 6sealed | 176 | Fukuta, Shingo (1560) | Won 2-1 | +191538 |
| 7sealed | 67 | Iwase, Akira (1541) | Lost 1-2 | -181520 |
| top | average opponent: 1541record: 4-3 | new rating: 1520 | ||