Okumura, Tomoki
Current rating: 1445
Record: 2-5
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 149 | Kanda, Akihiro (1445) | Lost 0-2 | -191481 |
| 2sealed | 359 | Kon, Satoshi (1482) | Lost 1-2 | -181463 |
| 3sealed | 582 | Fukuda, Tomonori (1478) | Lost 1-2 | -181445 |
| 4sealed | 524 | Ishita, Mio (1446) | Won 2-0 | +181463 |
| 5sealed | 443 | Suzuki, Yuta0033 (1479) | Won 2-0 | +191482 |
| 6sealed | 367 | Inoue, Kiyohisa (1437) | Lost 1-2 | -191463 |
| 7sealed | 305 | Deguchi, Keizou (1465) | Lost 0-2 | -181445 |
| average opponent: 1462record: 2-5 | new rating: 1445 | |||