Matumoto, Yosihiro
Current rating: 1422
Record: 4-8-1
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1497 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 194 | Baba, Yukihiro (1500) | Won 2-1 | +181515 |
| 2sealed | 207 | Shimizu, Yusuke (1482) | Lost 0-1 | -181497 |
| 3sealed | 826 | Sugi, Takahiro (1449) | Lost 0-2 | -191478 |
| 4sealed | 1022 | Aida, Kazuki (1428) | Lost 0-2 | -191459 |
| 5sealed | 1056 | Muralitheran, Hari (1410) | Lost 0-2 | -191440 |
| 6sealed | 1063 | Mori, Tatsuki (1448) | Lost 1-2 | -181422 |
| average opponent: 1453record: 1-5 | new rating: 1422 | |||
| Grand Prix Nagoya 2014 (BNG limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 233 | Kuwahara, Yoshiki (1512) | Lost 0-2 | -181482 |
| 2sealed | 337 | Mitsuhashi, Shou (1517) | Won 2-1 | +191501 |
| 3sealed | 251 | Nagahashi, Sadaaki (1501) | Lost 0-2 | -181483 |
| 4sealed | 291 | Yamamoto, Takayoshi (1487) | Won 2-0 | +181501 |
| 5sealed | 308 | Aizawa, Seiji (1447) | Draw 1-1 | -11500 |
| 6sealed | 257 | Sasaki, Masaya7465 (1432) | Won 2-1 | +171517 |
| 7sealed | 189 | Koyama, Mitsuru (1441) | Lost 0-2 | -201497 |
| average opponent: 1477record: 3-3-1 | new rating: 1497 | |||