Kumeyama, Yuji
Current rating: 1448
Record: 10-15-1
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1486 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 25 | Kotouge, Tatsuya (1684) | Won 2-0 | +211507 |
| 5sealed | 60 | Yutaka, Hiroaki (1575) | Lost 0-2 | -171490 |
| 6sealed | 34 | Matsumoto, Yuki1423 (1763) | Lost 1-2 | -131477 |
| 7sealed | 108 | Nakajima, Yuusuke (1579) | Lost 1-2 | -161461 |
| 8sealed | 308 | Sakamoto, Sakito (1755) | Lost 0-2 | -131448 |
| top | average opponent: 1671record: 1-4 | new rating: 1448 | ||
| Grand Prix Nagoya 2012 (RTR standard) | starting rating: 1479 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 119 | Morikawa, Taichi (1500) | Lost 1-2 | -171462 |
| 3standard | 552 | Hatou, Yoshikazu (1481) | Lost 0-2 | -181444 |
| 4standard | 692 | Murakami, Yuuichi (1504) | Won 2-1 | +191463 |
| 5standard | 528 | Yamamoto, Takashi (1375) | Won 2-0 | +161479 |
| 6standard | 420 | Sakamoto, Taiga (1505) | Won 2-0 | +191498 |
| 7standard | 358 | Yamamoto, Kentaro (1863) | Lost 0-2 | -121486 |
| 8standard | 348 | Sato, Yasunori (1516) | Lost 1-2 | -171469 |
| 9standard | 304 | Okumura, Noriaki (1409) | Won 2-1 | +171486 |
| top | average opponent: 1519record: 4-4 | new rating: 1486 | ||
| Grand Prix Kobe 2012 (DKA limited) | starting rating: 1513 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 17 | Deuitch, Lorne (1510) | Won 2-1 | +181531 |
| 4sealed | 63 | Lee, Chia (1541) | Draw 1-1 | 01531 |
| 5sealed | 76 | Nakamura, Takuma (1534) | Lost 1-2 | -181513 |
| 6sealed | 160 | Mitsumori, Masahiko (1520) | Won 2-0 | +181531 |
| 7sealed | 95 | Kasuga, Ryosuke (1510) | Lost 0-2 | -181513 |
| 8sealed | 172 | Yokotsuka, Yu (1508) | Lost 0-2 | -181495 |
| 9sealed | 170 | Yuasa, Kentarou (1640) | Lost 0-2 | -161479 |
| top | average opponent: 1537record: 2-4-1 | new rating: 1479 | ||
| Grand Prix Hiroshima 2011 (ISD standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4standard | 46 | Iwata, Mitsuhiro (1527) | Won 2-0 | +191519 |
| 5standard | 46 | Wada, Hiroya (1644) | Lost 0-2 | -161503 |
| 6standard | 54 | Nakamura, Junya (1649) | Lost 0-2 | -161487 |
| 7standard | 113 | Kitani, Ryouta (1514) | Won 2-1 | +191506 |
| 8standard | 110 | Nakamura, Shuhei (1981) | Lost 0-2 | -101496 |
| 9standard | 97 | Tanaka, Kazuhiko (1423) | Won 2-0 | +171513 |
| top | average opponent: 1623record: 3-3 | new rating: 1513 | ||