Kosai, Yuuki
Current rating: 1482
Record: 1-2
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1109 | Yaguchi, Daisuke (1500) | Lost 0-2 | -181482 |
| 2sealed | 1297 | Kihara, Akio (1481) | Lost 0-2 | -181464 |
| 3sealed | 1334 | Taguchi, Tomohiro (1469) | Won 2-1 | +181482 |
| average opponent: 1483record: 1-2 | new rating: 1482 | |||