Manabe, Riki
Current rating: 1508
Record: 5-5-1
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 511 | Hosogoe, Yohei (1500) | Draw 1-1 | 01502 |
| 2sealed | 539 | Yanagihara, Hiroki (1475) | Won 2-0 | +171519 |
| 3sealed | 572 | Sakai, Ryou (1444) | Lost 1-2 | -191500 |
| 4sealed | 766 | Matsushita, Junnya (1755) | Won 2-1 | +221522 |
| 5sealed | 533 | Akaike, Yo (1721) | Lost 0-2 | -141508 |
| average opponent: 1579record: 2-2-1 | new rating: 1508 | |||
| Grand Prix Yokohama 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 263 | Kurokawa, Junki (1554) | Lost 0-2 | -171483 |
| 2modern | 627 | Watanabe, Kyohei (1618) | Lost 1-2 | -161467 |
| 3modern | 1129 | Ida, Yuuji (1509) | Won 2-0 | +191486 |
| 4modern | 858 | Arai, Eiichi (1340) | Won 2-0 | +161502 |
| 5modern | 665 | Watanabe, Tsukasa (1471) | Won 2-1 | +171519 |
| 6modern | 458 | Kurosaki, Ryo (1549) | Lost 0-2 | -171502 |
| average opponent: 1507record: 3-3 | new rating: 1502 | |||