Shimizu, Hiroaki 7321
Current rating: 1532
| Grand Prix Yokohama 2019 (modern) | starting rating: 1498 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 701 | Minobe, Yoshihiro (1540) | Lost 0-2 | -171481 |
| 2modern | 837 | Tomizawa, Syouta (1482) | Won 2-1 | +181499 |
| 3modern | 844 | Hase, Shun (1409) | Won 2-1 | +171516 |
| 4modern | 750 | Miyajima, Jun'Ichi (1491) | Won 2-0 | +171533 |
| 5modern | 505 | Tatebe, Takayuki (1444) | Lost 0-2 | -201513 |
| 6modern | 610 | Setsompop, Mingrerk (1506) | Won 2-1 | +181531 |
| 7modern | 265 | Ozawa, Kei (1384) | Won 2-0 | +161547 |
| 8modern | 212 | Huang, Hao-Shan (1709) | Lost 1-2 | -151532 |
| top | average opponent: 1496record: 5-3 | new rating: 1532 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1518 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 299 | Wu, Yang Lin (1403) | Draw 1-1 | -21516 |
| 2sealed | 597 | Soma, Kosuke (1493) | Won 2-0 | +181534 |
| 3sealed | 522 | Miyasaka, Sho (1565) | Lost 0-2 | -181516 |
| 4sealed | 776 | Suzuki, Towa (1529) | Lost 1-2 | -181498 |
| top | average opponent: 1498record: 1-2-1 | new rating: 1498 | ||
| Grand Prix Chiba 2016 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 111 | Yonemochi, Kaito (1481) | Won 2-0 | +181518 |
| 2legacy | 507 | Prusa, Adam (1521) | Won 2-1 | +181536 |
| 3legacy | 479 | Kutomi, Hirotaka (1530) | Won 2-1 | +181554 |
| 4legacy | 15 | Nobe, Hiroyuki (1401) | Lost 1-2 | -211533 |
| 5legacy | 444 | Yaocheng, Mark (1731) | Won 2-0 | +211554 |
| 6legacy | 169 | Yamanaka, Kousuke (1538) | Lost 0-2 | -181536 |
| 7legacy | 417 | Hirayama, Masamichi (1542) | Lost 0-2 | -181518 |
| 8legacy | 403 | Nunotani, Kousuke (1495) | Won 2-0 | +181536 |
| 9legacy | 331 | Saegusa, Nobuyuki (1546) | Won 2-1 | +181554 |
| 10legacy | 344 | Samejima, Ippei (1568) | Lost 0-2 | -181536 |
| 11legacy | 296 | Aihara, Shogaku (1527) | Lost 0-2 | -181518 |
| top | average opponent: 1535record: 6-5 | new rating: 1518 | ||