Umeda, Kota
Current rating: 1483
Record: 4-5
| Grand Prix Las Vegas 2015 (2) (MM2 limited) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 59 | Lindsay, Jacob A (1500) | Won 2-1 | +181500 |
| 2sealed | 143 | Heitzman, Eric (1518) | Won 2-1 | +181518 |
| 3sealed | 79 | Patel, Hemant (1655) | Lost 0-2 | -151503 |
| 4sealed | 168 | Smith, Chadwick (1436) | Lost 1-2 | -201483 |
| average opponent: 1527record: 2-2 | new rating: 1483 | |||
| Grand Prix Yokohama 2004 (COK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 141 | Takahashi, Junya (1564) | Lost 0-2 | -171483 |
| 2sealed | 280 | Nakagawa, Tsukasa (1371) | Won 2-1 | +161499 |
| 3sealed | 159 | Takeuchi, Ryota (1506) | Lost 0-2 | -181481 |
| 4sealed | 239 | Oshimi, Akira (1485) | Won 2-0 | +181499 |
| 5sealed | 161 | Ito, Atsushi (1510) | Lost 0-2 | -171482 |
| average opponent: 1487record: 2-3 | new rating: 1482 | |||