Yamabe, Tadayoshi
Current rating: 1538
| Grand Prix Kyoto 2007 (PLC standard) | starting rating: 1513 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 166 | Hsu, Aric (1539) | Won 2-1 | +191532 |
| 3standard | 10 | Ueda, Katsuya (1678) | Won 2-0 | +201552 |
| 4standard | 65 | Yamakawa, Hiroaki (1538) | Lost 0-2 | -181534 |
| 5standard | 107 | Miyako, Takahiro (1503) | Lost 1-2 | -191515 |
| 6standard | 124 | Nakamura, Keisuke (1686) | Won 2-1 | +211536 |
| 7standard | 135 | Takine, Kenji (1534) | Won 2-0 | +181554 |
| 8standard | 94 | Shigehara, Toshinori (1646) | Lost 1-2 | -161538 |
| top | average opponent: 1589record: 4-3 | new rating: 1538 | ||
| Grand Prix Yokohama 2004 (COK limited) | starting rating: 1527 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 26 | Iwata, Futoshi (1563) | Lost 1-2 | -171510 |
| 4sealed | 90 | Hatano, Akira (1517) | Won 2-0 | +181528 |
| 5sealed | 118 | Yamada, Tsutomu (1635) | Lost 1-2 | -161512 |
| 6sealed | 131 | Ozawa, Takeshi (1512) | Won 2-1 | +181530 |
| 7sealed | 104 | Tamada, Ryoichi (1588) | Lost 0-2 | -171513 |
| top | average opponent: 1563record: 2-3 | new rating: 1513 | ||
| Grand Prix Nagoya 2004 (5DN standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 40 | Aizawa, Keiji (1573) | Draw 1-1 | +11501 |
| 4standard | 121 | Funahashi, Takaaki (1536) | Won 2-0 | +191520 |
| 5standard | 60 | Hosomi, Yuuichi (1585) | Draw 1-1 | +11521 |
| 6standard | 131 | Watanabe, Yuuya (1538) | Won 2-1 | +181539 |
| 7standard | 78 | Ishikawa, Masayo (1543) | Won 2-1 | +191558 |
| 8standard | 46 | Igeta, Hirofumi (1635) | Won 2-1 | +191577 |
| 9standard | 27 | Fujitsuka, Shougo (1662) | Lost 1-2 | -171560 |
| 10standard | 45 | Honnami, Tomoyuki (1561) | Lost 1-2 | -171543 |
| 11standard | 50 | Michiba, Ryouta (1547) | Lost 1-2 | -181525 |
| 12standard | 4 | Takemoto, Hiroshi (1544) | Won 2-1 | +181543 |
| 13standard | 54 | Higashida, Keita (1494) | Won 2-1 | +171560 |
| 14standard | 32 | Sakuma, Toshimitsu (1657) | Lost 0-2 | -161544 |
| 15standard | 46 | Katayama, Takahiro (1627) | Lost 1-2 | -171527 |
| top | average opponent: 1577record: 6-5-2 | new rating: 1527 | ||