Ootsuki, Naofumi
Current rating: 1546
Record: 10-8
| Grand Prix Sendai 2010 (ROE standard) | starting rating: 1484 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 277 | Hirai, Eisuke (1500) | Won 2-0 | +181502 |
| 2standard | 82 | Nakamura, Takatoshi (1657) | Won 2-0 | +211523 |
| 3standard | 84 | Yoshizawa, Hiromi (1436) | Won 2-1 | +161539 |
| 4standard | 76 | Nakajima, Takumi (1551) | Lost 0-2 | -181521 |
| 5standard | 140 | Hasegawa, Yu (1540) | Won 2-1 | +191540 |
| 6standard | 110 | Suzuki, Kyou (1670) | Won 2-1 | +201560 |
| 7standard | 20 | Fukuta, Shingo (1624) | Lost 1-2 | -171543 |
| 8standard | 91 | Takebayashi, Tomo (1757) | Won 2-1 | +221565 |
| 9standard | 75 | Kinoshita, Tomohiro (1512) | Lost 0-2 | -191546 |
| average opponent: 1583record: 6-3 | new rating: 1546 | |||
| Grand Prix Niigata 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 31 | Motoki, Takahiro (1499) | Won 2-1 | +181518 |
| 2sealed | 88 | Ogihara, Toshiki (1384) | Won 2-1 | +161534 |
| 3sealed | 79 | Saito, Tomoya (1625) | Lost 1-2 | -171517 |
| 4sealed | 168 | Aridome, Tomohiro (1753) | Lost 1-2 | -141503 |
| 5sealed | 235 | Yokokura, Takeshi (1449) | Won 2-1 | +171520 |
| 6sealed | 130 | Aryabhima, Rahman (1519) | Won 2-1 | +181538 |
| 7sealed | 81 | Kinoshita, Tomoya (1574) | Lost 0-2 | -171521 |
| 8sealed | 126 | Fujisaki, Akifumi (1523) | Lost 0-2 | -181503 |
| 9sealed | 108 | Takami, Yuuta (1422) | Lost 0-2 | -191484 |
| average opponent: 1528record: 4-5 | new rating: 1484 | |||