Kumegawa, Nobuo
Current rating: 1451
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1449 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 2315 | Itou, Shin'ya (1513) | Lost 0-2 | -171432 |
| 2sealed | 2289 | Plej, Julian (1482) | Won 2-0 | +191451 |
| 3sealed | 2225 | Tanaka, Jun'ichi (1405) | Lost 0-2 | -191432 |
| 4sealed | 2359 | Koshida, Takafumi (1503) | Won 2-0 | +191451 |
| top | average opponent: 1475record: 2-2 | new rating: 1451 | ||
| Grand Prix Kyoto 2015 (legacy) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 800 | Miyake, Yousuke (1553) | Lost 0-2 | -161430 |
| 2legacy | 870 | Satake, Tetuo (1482) | Won 2-0 | +191449 |
| 3legacy | 874 | Kato, Kazuyuki (1415) | Won 2-0 | +171466 |
| 4legacy | 792 | Kumagai, Haruka (1504) | Won 2-0 | +191485 |
| 5legacy | 571 | Kobayasi, Tomoya (1502) | Lost 1-2 | -181467 |
| 6legacy | 653 | Okano, Yukimasa (1468) | Lost 1-2 | -181449 |
| top | average opponent: 1487record: 3-3 | new rating: 1449 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 837 | Lucas, Chris (1518) | Lost 1-2 | -181482 |
| 2sealed | 929 | Sugimoto, Renn (1479) | Lost 1-2 | -181464 |
| 3sealed | 1113 | Hanada, Keisuke (1462) | Lost 0-2 | -181446 |
| 4sealed | 1108 | Satou, Yuji (1414) | Draw 1-1 | 01446 |
| top | average opponent: 1468record: 0-3-1 | new rating: 1446 | ||