Itabashi, Ryo
Current rating: 1492
Record: 17-18-1
| Grand Prix Chiba 2016 (legacy) | starting rating: 1462 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 333 | Kamimura, Yohei (1445) | Won 2-0 | +181480 |
| 2legacy | 122 | Ishida, Tetsuya (1431) | Won 2-1 | +171497 |
| 3legacy | 473 | Ueyama, Shotaro (1468) | Won 2-0 | +171514 |
| 4legacy | 215 | Takisaka, Toru (1593) | Lost 1-2 | -161498 |
| 5legacy | 456 | Kahata, Issei (1448) | Won 2-1 | +171515 |
| 6legacy | 291 | Hamano, Kouhei (1569) | Lost 0-2 | -171498 |
| 7legacy | 227 | Yasooka, Shota (2163) | Lost 0-2 | -81490 |
| 8legacy | 543 | Tateno, Takayuki (1591) | Lost 1-2 | -161474 |
| 9legacy | 547 | Okubo, Mai (1445) | Won 2-0 | +181492 |
| top | average opponent: 1573record: 5-4 | new rating: 1492 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1494 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 363 | Yang, Yu Min (1496) | Lost 0-2 | -181476 |
| 4standard | 805 | Katou, Youdai (1521) | Lost 0-2 | -181458 |
| 5standard | 898 | Inoue, Takamichi (1512) | Lost 0-2 | -171441 |
| 6standard | 1091 | Jyun, Jian (1486) | Won 2-0 | +191460 |
| 7standard | 1036 | Tonozaki, Hiroki (1490) | Lost 1-2 | -171443 |
| 8standard | 998 | Hosaka, Atsushi (1501) | Won 2-1 | +191462 |
| top | average opponent: 1501record: 2-4 | new rating: 1462 | ||
| Grand Prix Kyoto 2015 (legacy) | starting rating: 1534 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 719 | Michiki, Kimihiko (1517) | Won 2-1 | +181552 |
| 2legacy | 649 | Tsutsumi, Shunnsuke (1518) | Won 2-1 | +171569 |
| 3legacy | 568 | Wang, Ge-Tine (1507) | Lost 0-2 | -191550 |
| 4legacy | 689 | Morita, Masayuki (1479) | Lost 0-2 | -191531 |
| 5legacy | 726 | Kadowaki, Satoru (1505) | Lost 0-2 | -191512 |
| 6legacy | 796 | Emi, Shin'ichirou (1487) | Lost 1-2 | -181494 |
| top | average opponent: 1502record: 2-4 | new rating: 1494 | ||
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 100 | Urano, Shinji (1500) | Won 2-1 | +181520 |
| 2sealed | 129 | Oohata, Takuya (1518) | Won 2-1 | +181538 |
| 3sealed | 73 | Hatashita, Hiroaki (1518) | Draw 1-1 | 01538 |
| 4sealed | 129 | Sasaki, Tsuyoshi (1556) | Lost 0-2 | -181520 |
| 5sealed | 230 | Kamada, Yuuki (1472) | Won 2-1 | +171537 |
| 6sealed | 148 | Mori, Yoshimasa (1400) | Won 2-1 | +161553 |
| 7sealed | 89 | Hamamoto, Yohei (1566) | Lost 0-2 | -181535 |
| 8sealed | 290 | Kobayashi, Ryou (1535) | Won 2-0 | +181553 |
| 9sealed | 289 | Wakita, Koichi (1505) | Lost 0-2 | -191534 |
| top | average opponent: 1508record: 5-3-1 | new rating: 1534 | ||
| Grand Prix Yokohama 2012 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 212 | Imai, Yoshihisa (1500) | Won 2-0 | +181518 |
| 2modern | 265 | Ogawa, Tomonari (1444) | Won 2-0 | +171535 |
| 3modern | 226 | Oiso, Kenji (1517) | Lost 1-2 | -191516 |
| 4modern | 415 | Hayashi, Shinsuke (1743) | Won 2-0 | +221538 |
| 5modern | 166 | Fuchita, Shouhei (1517) | Lost 0-2 | -181520 |
| 6modern | 325 | Morikawa, Yuuta (1519) | Lost 1-2 | -181502 |
| top | average opponent: 1540record: 3-3 | new rating: 1502 | ||