Rikuno, Keito
Current rating: 1639
Record: 33-25
| Grand Prix Kyoto 2003 (LGN limited) | starting rating: 1616 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 192 | Miyazawa, Hiroshi (1464) | Won 2-1 | +151631 |
| 2sealed | 162 | Hidaka, Ayumi (1529) | Lost 0-2 | -201611 |
| 3sealed | 213 | Mezaki, Kouichi (1500) | Won 2-0 | +161627 |
| 4sealed | 179 | Kuze, Shouta (1485) | Won 2-1 | +161643 |
| 5sealed | 74 | Yagi, Takashi (1542) | Won 2-0 | +161659 |
| 6sealed | 59 | Okuda, Masateru (1574) | Lost 1-2 | -201639 |
| top | average opponent: 1516record: 4-2 | new rating: 1639 | ||
| Grand Prix Utsunomiya 2002 (ONS rochester) | starting rating: 1520 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 253 | Kobashi, Motoki (1567) | Won 2-0 | +191539 |
| 2sealed | 72 | Niwa, Toshiharu (1691) | Lost 1-2 | -151524 |
| 3sealed | 133 | Matsuda, Yuuki (1501) | Won 2-1 | +181542 |
| 4sealed | 149 | Takahashi, Noboru (1483) | Won 2-0 | +171559 |
| 5sealed | 103 | Miyashita, Kenji (1538) | Won 2-1 | +171576 |
| 6sealed | 33 | Sakuma, Toshimitsu (1512) | Won 2-1 | +171593 |
| 7sealed | 35 | Andou, Koutarou (1628) | Won 2-1 | +191612 |
| 8sealed | 27 | Sato, Hitoshi (1621) | ID | 01612 |
| 9rochester | 14 | Takasaki, Yuichi (1692) | Won 2-1 | +191631 |
| 10rochester | 11 | Aki, Yasutoshi (1587) | Won 2-0 | +171648 |
| 11rochester | 6 | Kuroda, Toshiyuki (1627) | Lost 0-2 | -181630 |
| 12rochester | 10 | Yamazaki, Yuki (1592) | Lost 1-2 | -191611 |
| 13rochester | 15 | Momose, Kazuyuki (1708) | Lost 0-2 | -161595 |
| 14rochester | 28 | Hirabayashi, Kazuya (1747) | Won 2-0 | +211616 |
| top | average opponent: 1607record: 9-4-1 | new rating: 1616 | ||
| Grand Prix Fukuoka 2002 (TOR limited) | starting rating: 1535 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 10 | Murata, Kouji (1597) | Lost 1-2 | -171518 |
| 4sealed | 93 | Tanaka, Noboru (1469) | Won 2-0 | +171535 |
| 5sealed | 60 | Anan, Go (1567) | Won 2-0 | +181553 |
| 6sealed | 42 | Nada, Satoshi (1591) | Lost 0-2 | -171536 |
| 7sealed | 50 | Takakuwa, Akihiro (1665) | Lost 1-2 | -161520 |
| top | average opponent: 1578record: 2-3 | new rating: 1520 | ||
| Grand Prix Sendai 2001 (extended) | starting rating: 1498 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 59 | Yoshida, Hiroshi (1500) | Won 2-0 | +181516 |
| 2extended | 7 | Mitsui, Hideo (1518) | Won 2-0 | +181534 |
| 3extended | 38 | Takakuwa, Akihiro (1503) | Won 2-0 | +181552 |
| 4extended | 40 | Itagaki, Yota (1558) | Lost 0-2 | -181534 |
| 5extended | 72 | Fujita, Kenichi (1634) | Lost 1-2 | -161518 |
| 6extended | 106 | Sasaki, Yusuke (1504) | Won 2-0 | +171535 |
| 7extended | 57 | Ootsuka, Tomomi (1487) | Won 2-0 | +181553 |
| 8extended | 41 | Ohashi, Takahiro (1556) | Lost 1-2 | -181535 |
| top | average opponent: 1532record: 5-3 | new rating: 1535 | ||
| Grand Prix Shizuoka 2001 (ODY limited) | starting rating: 1535 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 172 | Koyama, Tetsuo (1518) | Lost 0-2 | -181517 |
| 3sealed | 137 | Takahashi, Yoshiyuki (1500) | Lost 0-2 | -191498 |
| top | average opponent: 1509record: 0-2 | new rating: 1498 | ||
| Grand Prix Kobe 2001 (Invasion block) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 232 | Miyazaki, Kazuyuki (1482) | Won 2-0 | +171538 |
| 2block | 198 | Kuroda, Toshiyuki (1554) | Lost 1-2 | -171521 |
| 3block | 289 | Fujishima, Hisaya (1500) | Won 2-1 | +171538 |
| 4block | 168 | Kamimoto, Hiroshi (1517) | Won 2-1 | +181556 |
| 5block | 242 | Shikamoto, Hideki (1518) | Lost 0-2 | -191537 |
| 6block | 290 | Takeda, Hiroki (1484) | Won 2-0 | +171554 |
| 7block | 220 | Sakaguchi, Takuya (1535) | Lost 1-2 | -181536 |
| 8block | 190 | Yanase, Ikuhito (1550) | Lost 1-2 | -181518 |
| 9block | 190 | Douno, Takashi (1453) | Won 2-1 | +171535 |
| top | average opponent: 1510record: 5-4 | new rating: 1535 | ||
| Grand Prix Hiroshima 2001 (INV limited) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 35 | Konishi, Kohei (1500) | Won 2-0 | +181482 |
| 2sealed | 88 | Nakatsuka, Naoki (1518) | Lost 1-2 | -171465 |
| 3sealed | 80 | Sumiyoshi, Masayuki (1500) | Won 2-0 | +191484 |
| 4sealed | 79 | Ukai, Ryosuke (1518) | Won 2-1 | +181502 |
| 5sealed | 59 | Yokoyama, Shoichi (1539) | Won 2-1 | +191521 |
| 6sealed | 19 | Kuyama, Yusuke (1555) | Won 2-1 | +191540 |
| 7sealed | 16 | Shikata, Nobuaki (1508) | Lost 1-2 | -191521 |
| top | average opponent: 1520record: 5-2 | new rating: 1521 | ||
| Grand Prix Kyoto 2000 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 210 | Sugimoto, Daiki (1500) | Won 2-0 | +181518 |
| 2extended | 153 | Sato, Hideyuki (1518) | Lost 1-2 | -181500 |
| 3extended | 241 | Imamichi, Takashi (1500) | Lost 0-2 | -181482 |
| 4extended | 239 | Hori, Kotaro (1465) | Won 2-0 | +181500 |
| 5extended | 190 | Matoba, Takashi (1500) | Lost 0-2 | -181482 |
| 6extended | 241 | Kojima, Kazuyoshi (1482) | Lost 0-2 | -181464 |
| 7extended | 207 | Yodogawa, Takashi (1465) | Won 2-0 | +181482 |
| 8extended | 162 | Yamada, Hiroaki (1482) | Lost 1-2 | -181464 |
| top | average opponent: 1489record: 3-5 | new rating: 1464 | ||