Ono, Ippei
Current rating: 1410
Record: 29-34-2
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1393 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 601 | Akimoto, Taiki (1530) | Won 2-1 | +201413 |
| 2standard | 518 | Liang, Zhiyong (1530) | Won 2-1 | +201433 |
| 3standard | 450 | Nakamura, Souta (1733) | Lost 1-2 | -121421 |
| 4standard | 729 | Martin-McEwen, Leroy (1648) | Lost 0-2 | -141407 |
| 5standard | 710 | Takenaka, Tsuyoshi (1597) | Won 2-0 | +211428 |
| 6standard | 564 | Tanaka, Yuki (1444) | Lost 1-2 | -181410 |
| top | average opponent: 1580record: 3-3 | new rating: 1410 | ||
| Grand Prix Kobe 2014 (modern) | starting rating: 1383 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 756 | Shiozaki, Toshinori (1483) | Lost 0-2 | -161367 |
| 2modern | 1178 | Okano, Hiroki (1521) | Lost 0-2 | -161351 |
| 3modern | 1241 | Tadokoro, Daiki (1464) | Won 2-1 | +201371 |
| 4modern | 1150 | Higashida, Taketo (1431) | Won 2-0 | +201391 |
| 5modern | 974 | Komatsu, Satoru (1470) | Won 2-0 | +191410 |
| 6modern | 885 | Tashiro, Atsunori (1446) | Lost 1-2 | -171393 |
| top | average opponent: 1469record: 3-3 | new rating: 1393 | ||
| Grand Prix Kobe 2011 (extended) | starting rating: 1411 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 205 | Hagiwara, Yuuta (1437) | Lost 1-2 | -171394 |
| 3extended | 142 | Nishihara, Hiroki (1454) | Won 2-0 | +191413 |
| 4extended | 208 | Uesugi, Fumiya (1527) | Lost 1-2 | -161397 |
| 5extended | 232 | Niihama, Tatsuo (1602) | Lost 1-2 | -141383 |
| top | average opponent: 1505record: 1-3 | new rating: 1383 | ||
| Grand Prix Sendai 2010 (ROE standard) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 198 | Matsumura, Hideyuki (1404) | Lost 1-2 | -201465 |
| 2standard | 250 | Matsumura, Takehiko (1484) | Lost 0-2 | -181447 |
| 3standard | 375 | Miyanishi, Makoto (1465) | Lost 1-2 | -171430 |
| 4standard | 415 | Yoshimura, Yutaka (1415) | Lost 0-2 | -191411 |
| top | average opponent: 1442record: 0-4 | new rating: 1411 | ||
| Grand Prix Kobe 2008 (Lorwyn block) | starting rating: 1526 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 181 | Yamanaka, Kazuki (1510) | Won 2-1 | +181544 |
| 2block | 78 | Amano, Yuuichirou (1518) | Lost 1-2 | -181526 |
| 3block | 218 | Nagae, Hiroyuki (1479) | Lost 1-2 | -191507 |
| 4block | 327 | Tonouchi, Keita (1479) | Won 2-1 | +171524 |
| 5block | 188 | Yokoyama, Shouta (1580) | Lost 0-2 | -171507 |
| 6block | 238 | Tanaka, Eiji (1392) | Lost 0-2 | -201487 |
| 7block | 239 | Minoue, Hiroyuki (1399) | Won 2-1 | +171504 |
| 8block | 183 | Morinaga, Masaharu (1445) | Lost 1-2 | -191485 |
| top | average opponent: 1475record: 3-5 | new rating: 1485 | ||
| Grand Prix Shizuoka 2008 (MOR standard) | starting rating: 1527 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 271 | Minoue, Hiroyuki (1463) | Won 2-0 | +171544 |
| 2standard | 24 | Nakao, Munenari (1600) | Won 2-1 | +191563 |
| 3standard | 64 | Tukamoto, Takuya (1560) | Lost 0-2 | -181545 |
| 4standard | 224 | Suzuki, Tetsuya (1518) | Lost 1-2 | -191526 |
| top | average opponent: 1535record: 2-2 | new rating: 1526 | ||
| Grand Prix Kyoto 2007 (PLC standard) | starting rating: 1569 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 105 | Takahashi, Nozomu (1500) | Lost 1-2 | -191550 |
| 2standard | 264 | Takabe, Hiroshi (1463) | Lost 1-2 | -201530 |
| 3standard | 322 | Hasegawa, Gaku (1472) | Won 2-1 | +171547 |
| 4standard | 273 | Tsuboi, Shuu (1480) | Won 2-1 | +171564 |
| 5standard | 293 | Nakatani, Haruki (1582) | Lost 1-2 | -181546 |
| 6standard | 261 | Kikuchi, Yuuji (1486) | Lost 1-2 | -191527 |
| top | average opponent: 1497record: 2-4 | new rating: 1527 | ||
| Grand Prix Niigata 2005 (Kamigawa block) | starting rating: 1556 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 58 | Ishibashi, Masaoki (1500) | Lost 1-2 | -191537 |
| 2block | 141 | Yagi, Hiroyuki (1539) | Won 2-1 | +181555 |
| 3block | 91 | Iwama, Gaku (1500) | Won 2-0 | +171572 |
| 4block | 145 | Koyanagi, Yasunori (1484) | Won 2-0 | +161588 |
| 5block | 96 | Ootsuka, Koutarou (1711) | Lost 0-2 | -151573 |
| 6block | 129 | Itou, Takanori (1389) | Won 2-1 | +141587 |
| 7block | 91 | Nishimaki, Akira (1570) | Lost 0-1 | -181569 |
| 8block | 99 | Tazawa, Jun (1571) | Draw 1-1 | 01569 |
| top | average opponent: 1533record: 4-3-1 | new rating: 1569 | ||
| Grand Prix Yokohama 2004 (COK limited) | starting rating: 1578 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 3 | Hasegawa, Shigeyuki (1497) | Won 2-1 | +171595 |
| 2sealed | 38 | Yoshida, Takaaki (1520) | Lost 1-2 | -201575 |
| 3sealed | 249 | Ikeda, Kouji (1499) | Lost 0-2 | -191556 |
| top | average opponent: 1506record: 1-2 | new rating: 1556 | ||
| Grand Prix Nagoya 2004 (5DN standard) | starting rating: 1552 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 192 | Tsujii, Hidekai (1500) | Won 2-1 | +171569 |
| 2standard | 166 | Kudo, Koichi (1488) | Lost 0-2 | -201549 |
| 3standard | 220 | Takebayashi, Tomo (1500) | Lost 0-2 | -191530 |
| 4standard | 344 | Iwasaki, Eiji (1482) | Won 2-0 | +171547 |
| 5standard | 273 | Hisaki, Yuu (1509) | Won 2-0 | +181565 |
| 6standard | 187 | Amao, Hiroshi (1433) | Won 2-0 | +151580 |
| 7standard | 127 | Kusakabe, Hiroki (1535) | Won 2-1 | +171597 |
| 8standard | 111 | Okada, Wataru (1527) | Lost 0-2 | -191578 |
| top | average opponent: 1497record: 5-3 | new rating: 1578 | ||
| Grand Prix Sapporo 2002 (Odyssey block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 51 | Tani, Tokuo (1335) | Won 2-1 | +151515 |
| 2block | 100 | Imagawa, Hiromasa (1518) | Lost 1-2 | -181497 |
| 3block | 129 | Ichinose, Yuki (1500) | Won 2-0 | +181515 |
| 4block | 76 | Kumagai, Shinichi (1551) | Lost 0-2 | -171498 |
| 5block | 104 | Yokoi, Shinpei (1465) | Draw 1-1 | -11497 |
| 6block | 134 | Kubota, Tasuku (1497) | Won 2-1 | +181515 |
| 7block | 92 | Ueno, Takamasa (1526) | Won 2-0 | +181533 |
| 8block | 88 | Ono, Keisuke (1542) | Won 2-0 | +191552 |
| top | average opponent: 1492record: 5-2-1 | new rating: 1552 | ||