Hayashi, Yoshiaki
Current rating: 1452
Record: 5-8
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1505 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 157 | Ohta, Masataka (1683) | Lost 0-2 | -151490 |
| 2pioneer | 598 | Magara, Takaaki (1480) | Lost 0-2 | -181472 |
| 3pioneer | 793 | Hirano, Yasuhiro (1460) | Won 2-0 | +171489 |
| 4pioneer | 591 | Wada, Kouji (1486) | Lost 1-2 | -181471 |
| 5pioneer | 691 | Schwenk, Ryan (1401) | Lost 0-2 | -191452 |
| average opponent: 1502record: 1-4 | new rating: 1452 | |||
| Grand Prix Kyoto 2019 (RNA standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 326 | Tataetishi, Yuki (1500) | Won 2-0 | +181518 |
| 2standard | 471 | Noji, Koichiro (1477) | Won 2-1 | +171535 |
| 3standard | 99 | Mihara, Takuya (1435) | Won 2-0 | +161551 |
| 4standard | 129 | Sochurek, Petr (1990) | Lost 0-2 | -101541 |
| 5standard | 381 | Sakaino, Yuta (1511) | Won 2-1 | +171558 |
| 6standard | 275 | Kadono, Kohei (1510) | Lost 0-2 | -181540 |
| 7standard | 259 | Tabata, Yuusuke (1459) | Lost 0-2 | -201520 |
| 8standard | 346 | Sakamoto, Satoshi (1660) | Lost 1-2 | -151505 |
| average opponent: 1568record: 4-4 | new rating: 1505 | |||