Seino, Kouhei
Current rating: 1480
Record: 6-8-1
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1445 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 39 | Maryu, Sotaro (1453) | Won 2-1 | +181463 |
| 2sealed | 215 | Kim, Ho-Yeon (1452) | Won 2-0 | +181481 |
| 3sealed | 117 | Kitayama, Masaya (1844) | Lost 0-2 | -121469 |
| 4sealed | 704 | Hasebe, Sho (1605) | Won 2-0 | +211490 |
| 5sealed | 449 | Azuma, Nobuaki (1676) | Lost 0-2 | -151475 |
| 6sealed | 602 | Nagao, Taku (1520) | Won 2-1 | +191494 |
| 7sealed | 292 | Hoshino, Yuuki (1724) | Lost 0-2 | -141480 |
| average opponent: 1611record: 4-3 | new rating: 1480 | |||
| Grand Prix Kyoto 2019 (RNA standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 353 | Hashimoto, Ryota (1500) | Draw 1-1 | 01500 |
| 2standard | 505 | Fujita, Shinpei (1467) | Lost 0-2 | -191481 |
| 3standard | 871 | Tahara, Ippei (1501) | Lost 0-2 | -171464 |
| 4standard | 937 | Koga, Ryuji (1548) | Lost 0-2 | -171447 |
| 5standard | 897 | Tamura, Kei (1494) | Lost 1-2 | -171430 |
| 6standard | 779 | Monma, Yuta (1452) | Lost 0-2 | -171413 |
| 7standard | 678 | Kakiki, Ayumu (1225) | Won 2-0 | +141427 |
| 8standard | 592 | Takabatake, Yoshiyuki (1426) | Won 2-1 | +181445 |
| average opponent: 1452record: 2-5-1 | new rating: 1445 | |||