Udagawa, Hisashi
Current rating: 1626
| Grand Prix Yokohama 2010 (extended) | starting rating: 1657 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 356 | Nakamura, Keisuke (1558) | Won 2-0 | +161673 |
| 2extended | 141 | Oodan, Takeshi (1628) | Won 2-0 | +171690 |
| 3extended | 87 | Nakayama, Takatsugu (1497) | Lost 1-2 | -211669 |
| 4extended | 280 | Yamamoto, Takao (1459) | Lost 0-2 | -221647 |
| 5extended | 300 | Furuta, Yusuke (1585) | Won 2-1 | +171664 |
| 6extended | 218 | Takahashi, Keiji (1532) | Lost 0-2 | -211643 |
| 7extended | 221 | Shibuya, Takuma (1682) | Lost 1-2 | -171626 |
| top | average opponent: 1563record: 3-4 | new rating: 1626 | ||
| Grand Prix Kobe 2008 (Lorwyn block) | starting rating: 1524 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 64 | Kumano, Haruyasu (1500) | Won 2-1 | +171541 |
| 3block | 91 | Uezono, Kenji (1534) | Won 2-1 | +181559 |
| 4block | 83 | Aridome, Tomohiro (1725) | Won 2-1 | +211580 |
| 5block | 20 | Hanaoka, Toshifumi (1672) | Won 2-1 | +201600 |
| 6block | 48 | Kimura, Kazuaki (1631) | Won 2-0 | +181618 |
| 7block | 4 | Takahashi, Yuta (2107) | Lost 1-2 | -91609 |
| 8block | 32 | Yamaguchi, Koutarou (1596) | Won 2-1 | +171626 |
| 9block | 6 | Fujimoto, Taichi (1793) | Won 2-1 | +211647 |
| 10block | 3 | Kanazawa, Hiroyasu (1713) | Lost 1-2 | -161631 |
| 11block | 24 | Akai, Satoshi (1658) | Won 2-0 | +181649 |
| 12block | 10 | Ishimura, Shintaro (1892) | Lost 0-2 | -141635 |
| 13block | 17 | Hirabayashi, Kazuya (1840) | Lost 0-2 | -141621 |
| 14block | 28 | Ishigaki, Ryousuke (1607) | Won 2-0 | +181639 |
| 15block | 14 | Tamaki, Junnosuke (1639) | Won 2-1 | +181657 |
| top | average opponent: 1708record: 10-4 | new rating: 1657 | ||
| Grand Prix Shizuoka 2008 (MOR standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 98 | Tamaki, Junnosuke (1536) | Lost 1-2 | -171483 |
| 4standard | 147 | Kikuchi, Kazuhisa (1517) | Won 2-1 | +181501 |
| 5standard | 54 | Muramatsu, Yasuhiro (1537) | Lost 1-2 | -171484 |
| 6standard | 220 | Miyamoto, Hiroya (1518) | Won 2-1 | +191503 |
| 7standard | 37 | Matumura, Kyohei (1566) | Lost 1-2 | -171486 |
| 8standard | 162 | Morita, Yo (1555) | Won 2-0 | +191505 |
| 9standard | 89 | Kawanishi, Akio (1539) | Won 2-1 | +191524 |
| top | average opponent: 1538record: 4-3 | new rating: 1524 | ||