Tutui, Rintaro
Current rating: 1446
Record: 2-5
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 761 | Kiguchi, Tokiko (1500) | Lost 0-2 | -181482 |
| 2sealed | 759 | Watanabe, Kazumasa (1482) | Lost 1-2 | -181464 |
| 3sealed | 1017 | Okuyama, Kouhei (1341) | Won 2-1 | +161480 |
| 4sealed | 852 | Watanabe, Akira (1481) | Lost 1-2 | -181462 |
| 5sealed | 957 | Hara, Yusuke 0054 (1469) | Lost 1-2 | -181444 |
| 6sealed | 858 | Nakano, Masaya (1428) | Won 2-0 | +181462 |
| 7sealed | 692 | Ishiwata, Kouichi (1600) | Lost 0-2 | -161446 |
| average opponent: 1472record: 2-5 | new rating: 1446 | |||