Tanaka, Kouki
Current rating: 1477
| Grand Prix Nagoya 2019 (ELD standard) | starting rating: 1449 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 74 | Onishi, Akira (1524) | Won 2-1 | +191468 |
| 2standard | 322 | Nakae, Kazusi (1526) | Won 2-1 | +191487 |
| 3standard | 276 | Ishigami, Nobuhide (1564) | Draw 1-1 | +21489 |
| 4standard | 241 | Sorakup, Aekarash (1638) | Lost 1-2 | -161473 |
| 5standard | 415 | Mihara, Takuya (1454) | Won 2-1 | +181491 |
| 6standard | 274 | Ebitani, Keisuke (1725) | Lost 1-2 | -141477 |
| top | average opponent: 1572record: 3-2-1 | new rating: 1477 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1524 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 513 | Katumata, Siniti (1500) | Lost 1-2 | -181506 |
| 2sealed | 977 | Honjou, Daiki (1483) | Lost 0-2 | -191487 |
| 3sealed | 1186 | Kokawa, Tsunao (1380) | Lost 1-2 | -201467 |
| 4sealed | 1105 | Numaguchi, Yumeto (1445) | Lost 0-2 | -181449 |
| top | average opponent: 1452record: 0-4 | new rating: 1449 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 80 | Kitabayashi, Takashi (1644) | Won 2-1 | +211521 |
| 2standard | 142 | Ito, Keigo (1603) | Lost 1-2 | -171504 |
| 3standard | 818 | Takata, Takumi (1467) | Won 2-0 | +171521 |
| 4standard | 672 | Hattori, Yutaka (1446) | Won 2-1 | +171538 |
| 5standard | 441 | Nishidome, Keitarou (1509) | Lost 0-2 | -181520 |
| 6standard | 534 | Miyamoto, Hiroya (1677) | Lost 0-2 | -161504 |
| 7standard | 603 | Yamamoto, Yuhei (1503) | Won 2-0 | +181522 |
| 8standard | 512 | Okamura, Ryoma (1646) | Lost 0-2 | -151507 |
| 9standard | 489 | Yonezawa, Seizi (1472) | Won 2-0 | +171524 |
| top | average opponent: 1552record: 5-4 | new rating: 1524 | ||