Yamanaka, Shigeharu
Current rating: 1416
Record: 9-14-3
| Grand Prix Hiroshima 2006 (CSP limited) | starting rating: 1452 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 55 | Hasegawa, Gaku (1495) | Lost 0-2 | -171435 |
| 2sealed | 161 | Yoshida, Mitsutaka (1263) | Draw 1-1 | -31432 |
| 3sealed | 144 | Masaki, Daisuke (1482) | Lost 0-2 | -171415 |
| 4sealed | 173 | Tanaka, Shogo (1429) | Won 2-0 | +181433 |
| 5sealed | 142 | Uesugi, Zenkyou (1479) | Draw 1-1 | +11434 |
| 6sealed | 128 | Ninomiya, Kazuya (1463) | Lost 1-2 | -181416 |
| top | average opponent: 1435record: 1-3-2 | new rating: 1416 | ||
| Grand Prix Nagoya 2004 (5DN standard) | starting rating: 1488 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 37 | Ogawa, Kazuki (1500) | Lost 0-2 | -171471 |
| 2standard | 295 | Nanami, Tsubasa (1446) | Lost 1-2 | -191452 |
| 3standard | 410 | Nakao, Munenari (1443) | Lost 1-2 | -181434 |
| 4standard | 429 | Morizane, Hitoshi (1480) | Won 2-1 | +191453 |
| 5standard | 371 | Nishimura, Masaaki (1400) | Lost 1-2 | -191434 |
| 6standard | 353 | Mizuno, Shohei (1450) | Won 2-0 | +181452 |
| top | average opponent: 1453record: 2-4 | new rating: 1452 | ||
| Grand Prix Kobe 2001 (Invasion block) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 302 | Matsuo, Koichiro (1566) | Lost 1-2 | -161449 |
| 3block | 513 | Sasaki, Masakuni (1448) | Won 2-1 | +181467 |
| 4block | 189 | Takabatake, Takayuki (1551) | Won 2-1 | +191486 |
| 5block | 229 | Tsukamoto, Takashi (1465) | Won 2-0 | +181504 |
| 6block | 154 | Okada, Ryoji (1554) | Won 2-1 | +191523 |
| 7block | 72 | Morita, Yuki (1554) | Lost 1-2 | -181505 |
| 8block | 102 | Sakaguchi, Takuya (1553) | Lost 0-2 | -171488 |
| top | average opponent: 1527record: 4-3 | new rating: 1488 | ||
| Grand Prix Kyoto 2000 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 76 | Yabe, Yosuke (1500) | Won 2-0 | +181518 |
| 3extended | 100 | Ueda, Takao (1536) | Lost 0-2 | -181500 |
| 4extended | 100 | Ogata, Satoshi (1518) | Draw 1-1 | +11501 |
| 5extended | 146 | Takano, Masayuki (1518) | Won 2-0 | +181519 |
| 6extended | 96 | Kanayama, Daisuke (1521) | Lost 0-2 | -181501 |
| 7extended | 142 | Sakaguchi, Masanobu (1501) | Lost 0-2 | -181483 |
| 8extended | 151 | Iwamoto, Nobuyuki (1483) | Lost 0-2 | -181465 |
| top | average opponent: 1511record: 2-4-1 | new rating: 1465 | ||