Yamada, Yuma
Current rating: 1608
| Grand Prix Niigata 2009 (M10 limited) | starting rating: 1597 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 35 | Motonaga, Hiroaki (1502) | Lost 0-2 | -201577 |
| 2sealed | 300 | Dean, Rick W (1483) | Won 2-0 | +171594 |
| 3sealed | 114 | Tagawa, Takashi (1524) | Won 2-0 | +161610 |
| 4sealed | 199 | Ikeda, Akio (1597) | Won 2-0 | +181628 |
| 5sealed | 59 | Ozawa, Takeshi (1644) | Lost 0-2 | -181610 |
| 6sealed | 180 | Aridome, Tomohiro (1749) | Won 2-1 | +211631 |
| 7sealed | 75 | Ikeda, Yasuhisa (1535) | Lost 1-2 | -201611 |
| 8sealed | 123 | Yamakawa, Youichirou (1535) | Won 2-0 | +171628 |
| 9sealed | 79 | Takeishi, Kouji (1541) | Lost 1-2 | -201608 |
| top | average opponent: 1568record: 5-4 | new rating: 1608 | ||
| Grand Prix Kobe 2008 (Lorwyn block) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 61 | Ouchi, Akimasa (1464) | Won 2-1 | +171538 |
| 2block | 4 | Sakurai, Hikaru (1500) | Lost 0-2 | -191519 |
| 3block | 181 | yamauchi, yuu (1449) | Won 2-1 | +171536 |
| 4block | 198 | Moriya, Jun (1539) | Won 2-1 | +181554 |
| 5block | 141 | Sasaki, Tsutomu (1624) | Won 2-1 | +191573 |
| 6block | 92 | Omori, Ken'ichirou (1571) | Won 2-0 | +181591 |
| 7block | 29 | Miyazaki, Yasuhiro (1449) | Lost 1-2 | -201571 |
| 8block | 79 | Lin, Milton Jian Xiong (1682) | Won 2-1 | +201591 |
| 9block | 54 | Mitamura, Kazuya (1946) | ID | 01591 |
| 10block | 50 | Ishii, Hayato (1606) | Won 2-1 | +181609 |
| 11block | 27 | Nakajima, Chikara (1609) | Lost 1-2 | -181591 |
| 12block | 43 | Matsuoka, Tomohide (1666) | Won 2-1 | +201611 |
| 13block | 29 | Taira, Shunichi (1678) | Won 2-0 | +191630 |
| 14block | 19 | Hirashima, Yuutarou (1588) | Lost 0-2 | -191611 |
| 15block | 27 | Kuroda, Masashiro (1845) | Lost 0-2 | -141597 |
| top | average opponent: 1614record: 9-5-1 | new rating: 1597 | ||
| Grand Prix Shizuoka 2008 (MOR standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 17 | Kubota, Takayuki (1500) | Won 2-1 | +181518 |
| 2standard | 138 | Murata, Daisuke (1525) | Lost 0-2 | -181500 |
| 3standard | 162 | ENDO, Kohki (1500) | Won 2-1 | +181518 |
| 4standard | 150 | Hayashi, Hiroki (1550) | Lost 0-2 | -171501 |
| 5standard | 229 | Kawakami, Kazuto (1534) | Lost 0-2 | -181483 |
| 6standard | 263 | Shibasaki, Yoshihiro (1488) | Won 2-0 | +181501 |
| 7standard | 126 | Pham, Daniel (1564) | Won 2-0 | +201521 |
| 8standard | 195 | Inatsugu, Takahiro (1464) | Lost 1-2 | -191502 |
| 9standard | 170 | Hashimoto, Masafumi (1594) | Won 2-0 | +191521 |
| top | average opponent: 1524record: 5-4 | new rating: 1521 | ||