Tokuyama, Koki
Current rating: 1468
| Grand Prix Kobe 2017 (modern) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 727 | Hayashi, Shingo (1502) | Won 2-1 | +191483 |
| 2modern | 300 | Tamura, Kei (1420) | Lost 1-2 | -191464 |
| 3modern | 885 | Nakamura, Yuu (1500) | Lost 1-2 | -171447 |
| 4modern | 1125 | Kawai, Reo (1484) | Won 2-1 | +181465 |
| 5modern | 922 | Ine, Ryosuke (1529) | Won 2-1 | +201485 |
| 6modern | 446 | Nishida, Masashi (1509) | Lost 1-2 | -181467 |
| 7modern | 773 | Matsumoto, Kazuya (1542) | Won 2-1 | +191486 |
| 8modern | 507 | Yasumoto, Naoki (1483) | Lost 0-2 | -181468 |
| top | average opponent: 1496record: 4-4 | new rating: 1468 | ||
| Grand Prix Chiba 2016 (legacy) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 26 | Miyake, Tetsuya (1526) | Won 2-1 | +191500 |
| 2legacy | 60 | Yamazaki, Takashi (1516) | Lost 0-2 | -181482 |
| 3legacy | 801 | Nakajima, Takuto (1500) | Lost 1-2 | -181464 |
| top | average opponent: 1514record: 1-2 | new rating: 1464 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1111 | Nishikawa, Rion (1500) | Won 2-0 | +181518 |
| 2sealed | 1014 | Hiraoka, Shigenori (1517) | Won 2-1 | +181536 |
| 3sealed | 1030 | Suzuki, Gou (1497) | Lost 0-2 | -191517 |
| 4sealed | 1044 | Ochi, Takushi (1472) | Lost 0-2 | -191498 |
| 5sealed | 1172 | Ogawa, Sinji (1515) | Won 2-1 | +191517 |
| 6sealed | 1107 | Fukuda, Tatsuya (1523) | Lost 0-2 | -181499 |
| 7sealed | 1043 | Taha Al'asrar, Syed Khal (1511) | Lost 1-2 | -181481 |
| top | average opponent: 1505record: 3-4 | new rating: 1481 | ||