Umezu, Kazunobu
Current rating: 1475
Record: 4-6-1
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1447 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 2350 | Kobayashi, Mitsuyasu (1500) | Draw 1-1 | +11448 |
| 2sealed | 2263 | Kanou, Takuya (1540) | Lost 0-2 | -171431 |
| 3sealed | 2417 | Kano, Daichi (1482) | Lost 0-2 | -171414 |
| 4sealed | 2424 | Suzuki, Takahiro8451 (1465) | Won 2-0 | +191433 |
| 5sealed | 2355 | Kobayashi, Masahiro (1464) | Won 2-0 | +191452 |
| 6sealed | 2275 | Lundkvist, Ludvig (1506) | Lost 1-2 | -171435 |
| 7sealed | 2238 | Waki, Yusuke (1485) | Won 2-0 | +191454 |
| 8sealed | 2172 | Minami, Masashi (1644) | Won 2-1 | +211475 |
| average opponent: 1511record: 4-3-1 | new rating: 1475 | |||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 71 | Sakai, Shigeto (1500) | Lost 1-2 | -181482 |
| 2sealed | 320 | Kobayashi, Ryosuke (1520) | Lost 0-2 | -171465 |
| 3sealed | 515 | Kuramochi, Nobuyuki (1464) | Lost 1-2 | -181447 |
| average opponent: 1495record: 0-3 | new rating: 1447 | |||