Yamamoto, Hayato
Current rating: 1529
Record: 7-6
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1522 | |||
| round | table | opponent (rating) | result | Δrating |
| 2pioneer | 262 | Miyata, Masaki (1521) | Won 2-0 | +181540 |
| 3pioneer | 308 | Hoshide, Naonari (1617) | Lost 1-2 | -161524 |
| 4pioneer | 290 | Yasuda, Hiroki (1598) | Won 2-0 | +191543 |
| 5pioneer | 226 | Takahashi, Naoya 3755 (1475) | Won 2-1 | +171560 |
| 6pioneer | 147 | Saito, Tomohiro (1620) | Lost 1-2 | -171543 |
| 7pioneer | 342 | Nomura, Hidehiro (1757) | Lost 1-2 | -141529 |
| average opponent: 1598record: 3-3 | new rating: 1529 | |||
| Grand Prix Kyoto 2019 (RNA standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 555 | Kouge, Kazuhiro (1591) | Lost 0-2 | -161484 |
| 2standard | 686 | Aikawa, Kahei (1481) | Won 2-0 | +181502 |
| 3standard | 663 | Utsunomiya, Asahi (1501) | Won 2-1 | +181520 |
| 4standard | 310 | Kihara, Syouta (1610) | Won 2-1 | +191539 |
| 5standard | 161 | Fukunaga, Motohiro (1537) | Lost 0-2 | -181521 |
| 6standard | 345 | Locsin, John Gilbert (1583) | Won 2-0 | +191540 |
| 7standard | 253 | Saito, Ryo 6701 (1545) | Lost 0-2 | -181522 |
| average opponent: 1550record: 4-3 | new rating: 1522 | |||