Hosokawa, Hikaru
Current rating: 1553
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1523 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 287 | Matsumoto, Shou (1465) | Lost 1-2 | -191504 |
| 2pioneer | 579 | Shiraishi, Kazuma (1483) | Lost 1-2 | -191485 |
| 3pioneer | 757 | Yamamoto, Yoshiki (1430) | Won 2-0 | +171502 |
| 4pioneer | 609 | Chou, Takayuki (1540) | Won 2-1 | +191521 |
| 5pioneer | 597 | Nakazawa, Koutarou (1281) | Won 2-1 | +141535 |
| 6pioneer | 454 | Hoshide, Naonari (1596) | Lost 0-2 | -171518 |
| 7pioneer | 467 | Kuramoto, Shinji (1487) | Won 2-0 | +171535 |
| 8pioneer | 315 | Kato, Atushi (1537) | Won 2-0 | +181553 |
| top | average opponent: 1477record: 5-3 | new rating: 1553 | ||
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1520 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 630 | Asai, Shin (1450) | Won 2-0 | +171537 |
| 2sealed | 444 | Yoshio, Sousuke (1518) | Won 2-0 | +181555 |
| 3sealed | 147 | Fukushima, Ryo (1570) | Lost 1-2 | -181537 |
| 4sealed | 705 | Ogasawara, Tomoaki (1647) | Lost 0-2 | -161521 |
| 5sealed | 812 | Yang, Jingheng (1503) | Won 2-1 | +181539 |
| 6sealed | 469 | Nitsu, Shunsuke (1668) | Lost 0-2 | -161523 |
| top | average opponent: 1559record: 3-3 | new rating: 1523 | ||
| Grand Prix Kyoto 2019 (RNA standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 557 | Tanaka, Ritsu (1505) | Lost 1-2 | -181482 |
| 2standard | 516 | Katanazawa, Satoshi (1428) | Won 2-1 | +171499 |
| 3standard | 660 | Abe, Yuji3038 (1460) | Won 2-0 | +171516 |
| 4standard | 309 | Fujiwara, Tsukasa (1539) | Won 2-0 | +191535 |
| 5standard | 390 | Okada, Tomofumi (1721) | Lost 0-2 | -151520 |
| top | average opponent: 1531record: 3-2 | new rating: 1520 | ||