Sakurai, Kouta
Current rating: 1521
Record: 4-3
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 571 | Jinguu, Keiji (1464) | Won 2-1 | +171517 |
| 2sealed | 498 | Atsuji, Makoto (1534) | Won 2-0 | +191536 |
| 3sealed | 57 | Hayata, Akira (1743) | Won 2-0 | +211557 |
| 4sealed | 178 | Maruyama, Yuichiro (1658) | Won 2-0 | +201577 |
| 5sealed | 77 | Matuoka, Akira (1482) | Lost 0-2 | -201557 |
| 6sealed | 193 | Iwanaga, Koki (1559) | Lost 0-2 | -181539 |
| 7sealed | 241 | Maruyama, Nobuhiro (1505) | Lost 0-2 | -181521 |
| average opponent: 1563record: 4-3 | new rating: 1521 | |||