Aya, Naruhiko
Current rating: 1515
Record: 11-11-1
| Grand Prix Hiroshima 2006 (CSP limited) | starting rating: 1562 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 33 | Bandou, Junichirou (1802) | Lost 0-2 | -141548 |
| 5sealed | 48 | Kuroda, Ryouhei (1595) | Lost 0-2 | -171531 |
| 6sealed | 75 | Shindo, Yoshiya (1480) | Lost 1-2 | -191512 |
| 7sealed | 99 | Nomura, Eiji (1729) | Won 2-1 | +221534 |
| 8sealed | 86 | Nakaya, Ramuji (1506) | Lost 0-2 | -191515 |
| top | average opponent: 1622record: 1-4 | new rating: 1515 | ||
| Grand Prix Fukuoka 2002 (TOR limited) | starting rating: 1508 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 53 | Yamasaki, Satoru (1483) | Won 2-0 | +181526 |
| 2sealed | 59 | Hojo, Naomasa (1585) | Lost 1-2 | -171509 |
| 3sealed | 89 | Yamamoto, Takayuki (1450) | Won 2-1 | +171526 |
| 4sealed | 80 | Hisaki, Yuu (1544) | Won 2-0 | +181544 |
| 5sealed | 43 | Akashi, Toshihiko (1517) | Won 2-0 | +181562 |
| 6sealed | 31 | Maki, Koichiro (1561) | Lost 0-2 | -181544 |
| 7sealed | 46 | Yanagi, Tatsuyuki (1541) | Won 2-0 | +181562 |
| top | average opponent: 1526record: 5-2 | new rating: 1562 | ||
| Grand Prix Kobe 2001 (Invasion block) | starting rating: 1525 | |||
| round | table | opponent (rating) | result | Δrating |
| 3block | 191 | Izumi, Junya (1534) | Lost 0-2 | -171508 |
| 4block | 387 | Minami, Masashi (1569) | Won 2-0 | +191527 |
| 5block | 101 | Fujishiro, Takashi (1517) | Lost 0-2 | -181509 |
| 6block | 344 | Wakasa, Naoki (1519) | Won 2-0 | +181527 |
| 7block | 170 | Sueyoshi, Eisaku (1501) | Lost 1-2 | -191508 |
| top | average opponent: 1528record: 2-3 | new rating: 1508 | ||
| Grand Prix Kyoto 2000 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3extended | 65 | Douyama, Tsuyoshi (1518) | Lost 1-2 | -181482 |
| 4extended | 162 | Uemura, Akihito (1518) | Won 2-1 | +191501 |
| 5extended | 45 | Morishita, Satoshi (1536) | Draw 1-1 | +11502 |
| 6extended | 93 | Minagawa, Yu (1534) | Won 2-1 | +181520 |
| 7extended | 58 | Wachi, Shinya (1442) | Won 2-1 | +171537 |
| 8extended | 36 | Fuller, Ryan (1917) | Lost 1-2 | -121525 |
| top | average opponent: 1577record: 3-2-1 | new rating: 1525 | ||