Kojima, Kenta
Current rating: 1394
Record: 9-17-1
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1390 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 421 | Masuda, Sho (1576) | Won 2-0 | +221412 |
| 4sealed | 199 | Kobayashi, Tomonori (1552) | Won 2-0 | +201432 |
| 5sealed | 29 | Nakano, Tatsuhito (1782) | Lost 0-2 | -121420 |
| 6sealed | 299 | Yang, Eunje (1706) | Lost 0-2 | -131407 |
| 7sealed | 260 | Yagura, Ryota (1644) | Lost 1-2 | -131394 |
| top | average opponent: 1652record: 2-3 | new rating: 1394 | ||
| Grand Prix Yokohama 2019 (modern) | starting rating: 1447 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 83 | Tomita, Hiroki (1350) | Lost 1-2 | -191428 |
| 3modern | 775 | Hisano, Mikita (1355) | Lost 0-2 | -201408 |
| 4modern | 1007 | Kohagura, Masataka (1413) | Lost 0-2 | -181390 |
| top | average opponent: 1373record: 0-3 | new rating: 1390 | ||
| Grand Prix Kyoto 2019 (RNA standard) | starting rating: 1423 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 161 | Fujihara, Yuki (1447) | Won 2-1 | +181441 |
| 3standard | 71 | Okabe, Kiyotaka (1522) | Lost 1-2 | -161425 |
| 4standard | 643 | Koziol, Eric (1387) | Won 2-0 | +171442 |
| 5standard | 135 | Noguchi, Hiromasa (1404) | Lost 1-2 | -191423 |
| 6standard | 325 | Ren, Takahiro (1519) | Won 2-1 | +201443 |
| 7standard | 346 | Tanaka, Ryou (1489) | Won 2-0 | +191462 |
| 8standard | 263 | Ishikura, Nobuyuki (1648) | Lost 1-2 | -151447 |
| top | average opponent: 1488record: 4-3 | new rating: 1447 | ||
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1449 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 392 | Huang, Erxuan (1518) | Draw 1-1 | +11450 |
| 3standard | 629 | Ikeda, Tomohiko (1485) | Won 2-1 | +191469 |
| 4standard | 420 | Nakamura, Takehiro (1570) | Lost 1-2 | -161453 |
| 5standard | 601 | Ariga, Takayuki (1468) | Won 2-1 | +181471 |
| 6standard | 446 | Hozuki, Atsushi (1536) | Lost 1-2 | -171454 |
| 7standard | 594 | Miyasaka, Sho (1602) | Lost 1-2 | -151439 |
| 8standard | 622 | Iwasaki, Takashi (1551) | Lost 0-2 | -161423 |
| top | average opponent: 1533record: 2-4-1 | new rating: 1423 | ||
| Grand Prix Kobe 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 125 | Tanigawa, Futa (1488) | Won 2-0 | +181518 |
| 2modern | 130 | Kurata, Shintaro (1553) | Lost 0-2 | -181500 |
| 3modern | 327 | Nakai, Ryoji (1430) | Lost 0-2 | -191481 |
| 4modern | 445 | Kuroda, Masashiro (1830) | Lost 1-2 | -121469 |
| 5modern | 485 | Okazaki, Hideki (1348) | Lost 1-2 | -201449 |
| top | average opponent: 1530record: 1-4 | new rating: 1449 | ||