Ikeda, Kengo
Current rating: 1253
Record: 9-25-6
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1310 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 631 | Chen, Shan Chun (1731) | Lost 0-2 | -111299 |
| 2standard | 858 | Nomura, Takashi (1557) | Lost 0-2 | -131286 |
| 3standard | 1090 | Masuda, Rintarou (1354) | Lost 1-2 | -171269 |
| 4standard | 1061 | Sato, Kazuhito (1355) | Lost 0-2 | -161253 |
| top | average opponent: 1499record: 0-4 | new rating: 1253 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1367 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 294 | Yokotsuka, Yu (1477) | Won 2-0 | +201387 |
| 2sealed | 245 | Yamada, Junki (1443) | Lost 1-2 | -171370 |
| 3sealed | 678 | Oshima, Shimpei (1409) | Lost 1-2 | -171353 |
| 4sealed | 829 | Takaki, Kengo (1497) | Lost 0-2 | -151338 |
| 5sealed | 1055 | Tanigaki, Toshiyuki (1392) | Lost 1-2 | -171321 |
| 6sealed | 977 | Yamamoto, Seigo (1424) | Lost 0-2 | -161305 |
| 7sealed | 909 | Shimoda, Akihiro (1310) | Won 2-1 | +181323 |
| 8sealed | 800 | Homma, Akira (1501) | Draw 1-1 | +31326 |
| 9sealed | 685 | Kikuchi, Masanobu (1446) | Lost 1-2 | -161310 |
| top | average opponent: 1433record: 2-6-1 | new rating: 1310 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1405 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 101 | Yokoi, Takahiro (1499) | Lost 1-2 | -161389 |
| 2standard | 913 | Nishigchi, Hideki (1471) | Lost 1-2 | -171372 |
| 3standard | 1257 | Sasaki, Kazuo (1576) | Lost 0-2 | -141358 |
| 4standard | 1239 | Tomohiro, Furuta (1444) | Won 2-0 | +201378 |
| 5standard | 1210 | Kurihara, Shota (1509) | Won 2-1 | +201398 |
| 6standard | 999 | Ichikawa, Yasura (1386) | Lost 0-2 | -181380 |
| 7standard | 1009 | Hiroi, Genki (1606) | Won 2-1 | +221402 |
| 8standard | 798 | Ooshima, Shun (1482) | Lost 0-2 | -171385 |
| 9standard | 770 | Ishikawa, Jun (1394) | Lost 0-2 | -181367 |
| top | average opponent: 1485record: 3-6 | new rating: 1367 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 307 | Iwasaki, Yusuke (1574) | Draw 1-1 | +21485 |
| 2standard | 790 | Iyota, Makito (1298) | Draw 1-1 | -41481 |
| 3standard | 1377 | Yuuki, Yoshihiro (1499) | Lost 1-2 | -181463 |
| 4standard | 1508 | Yoshida, Mitsutaka (1053) | Won 2-0 | +111474 |
| 5standard | 1267 | Iwasaki, Mitsumasa (1533) | Lost 1-2 | -171457 |
| 6standard | 1353 | Matsumoto, Naoya (1581) | Draw 1-1 | +31460 |
| 7standard | 1198 | Arai, Makoto (1473) | Lost 0-2 | -181442 |
| 8standard | 1034 | Hitouji, Kengo (1443) | Lost 0-2 | -181424 |
| 9standard | 891 | Koh, Jin-Rui (1381) | Lost 0-2 | -191405 |
| top | average opponent: 1426record: 1-5-3 | new rating: 1405 | ||
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 65 | Matsushima, Yuuta (1480) | Won 2-0 | +181518 |
| 2sealed | 115 | Okunaga, Yuuki (1395) | Draw 1-1 | -31515 |
| 3sealed | 592 | Nakanishi, Kota (1420) | Draw 1-1 | -11514 |
| 4sealed | 823 | Osanai, Takashi (1527) | Lost 0-2 | -181496 |
| 5sealed | 977 | Kawaguchi, Toshifumi (1514) | Lost 0-2 | -181478 |
| 6sealed | 1025 | Nishimoto, Takuya (1646) | Lost 0-2 | -151463 |
| 7sealed | 936 | Brown, Christine (1421) | Won 2-0 | +181481 |
| 8sealed | 792 | Kouyama, Shinji (1547) | Lost 0-2 | -171464 |
| 9sealed | 696 | Fujimaki, Satoshi (1527) | Won 2-1 | +191483 |
| top | average opponent: 1497record: 3-4-2 | new rating: 1483 | ||