Sugaya, Akio
Current rating: 1521
Record: 15-14-5
| Grand Prix Kobe 2008 (Lorwyn block) | starting rating: 1543 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 160 | Watanabe, Yoshifumi (1504) | Won 2-0 | +171560 |
| 2block | 159 | Tanaka, Kenichirou (1517) | Lost 1-2 | -191541 |
| 3block | 295 | Itou, Masaaki (1499) | Won 2-0 | +171558 |
| 4block | 111 | Ishihara, Susumu (1518) | Lost 0-2 | -181540 |
| 5block | 267 | Tanaka, Eiji (1408) | Won 2-1 | +151555 |
| 6block | 200 | Katou, Makoto (1554) | Won 2-1 | +181573 |
| 7block | 82 | Satou, Takahisa (1544) | Lost 0-2 | -181555 |
| 8block | 129 | Takahashi, Teo (1521) | Lost 1-2 | -191536 |
| 9block | 134 | Park, Jun Young (1680) | Lost 0-2 | -151521 |
| top | average opponent: 1527record: 4-5 | new rating: 1521 | ||
| Grand Prix Kitakyushu 2005 (extended) | starting rating: 1568 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 45 | Tomita, Hiromi (1518) | Draw 1-1 | -11567 |
| 3extended | 43 | Okamatsu, Masaki (1516) | Lost 1-2 | -191548 |
| 4extended | 93 | Ogata, Shouichirou (1500) | Lost 0-2 | -191529 |
| 5extended | 107 | Nakamura, Takehiro (1450) | Won 2-0 | +171546 |
| 6extended | 87 | Miura, Tadayuki (1448) | Lost 1-2 | -201526 |
| 7extended | 83 | Maruyama, Kentarou (1445) | Won 2-1 | +171543 |
| top | average opponent: 1480record: 2-3-1 | new rating: 1543 | ||
| Grand Prix Utsunomiya 2002 (ONS rochester) | starting rating: 1530 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 96 | Nakamura, Yusuke (1503) | Draw 1-1 | 01530 |
| 3sealed | 98 | Saijo, Yuichi (1520) | Won 2-0 | +171547 |
| 4sealed | 63 | Okada, Kou (1600) | Won 2-0 | +191566 |
| 5sealed | 31 | Shimada, Masatake (1727) | Draw 1-1 | +31569 |
| 6sealed | 72 | Suzuki, Ryuuichi (1553) | Draw 1-1 | 01569 |
| 7sealed | 52 | Koizumi, Norihiro (1540) | Won 2-0 | +171586 |
| 8sealed | 119 | Oomori, Kazuki (1572) | Lost 0-2 | -181568 |
| top | average opponent: 1573record: 3-1-3 | new rating: 1568 | ||
| Grand Prix Sendai 2001 (extended) | starting rating: 1468 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 85 | Maruyama, Tomohiro (1658) | Lost 1-2 | -151453 |
| 3extended | 114 | Osanai, Yuki (1500) | Lost 1-2 | -171436 |
| 4extended | 175 | Shiratori, Akihiro (1465) | Won 2-1 | +181454 |
| 5extended | 116 | Kageyama, Tarou (1513) | Won 2-0 | +201474 |
| 6extended | 112 | Sugimoto, Takahiko (1494) | Won 2-1 | +181492 |
| 7extended | 64 | Izumi, Shinji (1574) | Won 2-0 | +191511 |
| 8extended | 31 | Okawa, Yusuke (1548) | Won 2-0 | +191530 |
| top | average opponent: 1536record: 5-2 | new rating: 1530 | ||
| Grand Prix Sapporo 2000 (PCY limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 31 | Murata, Kouji (1518) | Won 2-0 | +181518 |
| 4sealed | 12 | Fukata, Takamasa (1535) | Lost 1-2 | -171501 |
| 5sealed | 34 | Kuroda, Masashiro (1584) | Lost 0-2 | -171484 |
| 6sealed | 52 | Yamamoto, Shin (1517) | Draw 1-1 | +11485 |
| 7sealed | 53 | Nishimaki, Akira (1533) | Lost 0-2 | -171468 |
| top | average opponent: 1538record: 1-3-1 | new rating: 1468 | ||