Kosuge, Shogo
Current rating: 1447
Record: 5-8
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1477 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 765 | Hunamoto, Yuuki (1528) | Lost 1-2 | -171460 |
| 2sealed | 880 | Hirayama, Hideyuki (1647) | Lost 0-2 | -151445 |
| 3sealed | 1185 | Shiraishi, Shinji (1269) | Won 2-0 | +151460 |
| 4sealed | 820 | Phromthongg, Jirunn (1507) | Won 2-0 | +191479 |
| 5sealed | 891 | Taira, Kentaro (1497) | Lost 0-2 | -181461 |
| 6sealed | 797 | Nishimoto, Takuya (1641) | Lost 1-2 | -141447 |
| average opponent: 1515record: 2-4 | new rating: 1447 | |||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 981 | Fuse, Hajime (1500) | Lost 0-2 | -181482 |
| 2standard | 1115 | Kawanishi, Naoya (1539) | Won 2-1 | +191501 |
| 3standard | 909 | Katou, Yuusuke (1450) | Lost 0-2 | -191482 |
| 4standard | 1415 | Ogyu, Yoshiyuki (1415) | Won 2-0 | +171499 |
| 5standard | 944 | Soeda, Kohei (1509) | Lost 1-2 | -181481 |
| 6standard | 1076 | Miyagai, Kyosuke (1411) | Won 2-0 | +171498 |
| 7standard | 1083 | Mochizuki, Katsuhiko (1344) | Lost 1-2 | -211477 |
| average opponent: 1453record: 3-4 | new rating: 1477 | |||