Yokoshima, Tomoki
Current rating: 1479
Record: 2-3
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 166 | Ogura, Asato (1500) | Won 2-0 | +181518 |
| 2sealed | 469 | Wang, Haotian (1666) | Won 2-0 | +211539 |
| 3sealed | 236 | Shindo, Yuto (1438) | Lost 0-2 | -201519 |
| 4sealed | 771 | Qian, Zhengrui (1410) | Lost 0-2 | -201499 |
| 5sealed | 693 | Kusakawa, Naoto (1373) | Lost 0-2 | -201479 |
| average opponent: 1477record: 2-3 | new rating: 1479 | |||