Sakamoto, Ikki
Current rating: 1390
Record: 2-8-1
| Grand Prix Yokohama 2019 (modern) | starting rating: 1461 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 613 | Konagai, Ryota (1538) | Draw 1-1 | +11462 |
| 2modern | 601 | Ota, Kyosuke (1463) | Lost 0-2 | -181444 |
| 3modern | 1035 | Komaki, Shota (1366) | Lost 0-2 | -191425 |
| 4modern | 1123 | Okada, Yuki 9361 (1467) | Lost 1-2 | -181407 |
| 5modern | 1098 | Idei, Soichiro (1442) | Lost 1-2 | -171390 |
| average opponent: 1455record: 0-4-1 | new rating: 1390 | |||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 180 | Wada, Shusaku (1480) | Lost 1-2 | -181482 |
| 2sealed | 765 | Mimura, Yukihiro (1422) | Won 2-0 | +171499 |
| 3sealed | 757 | Kiguchi, Tokiko (1504) | Won 2-1 | +181517 |
| 4sealed | 710 | Itou, Daiki 9873 (1518) | Lost 1-2 | -181499 |
| 5sealed | 700 | Ueda, Tadahiko (1471) | Lost 1-2 | -191480 |
| 6sealed | 719 | Fujii, Yuusaku (1394) | Lost 1-2 | -191461 |
| average opponent: 1465record: 2-4 | new rating: 1461 | |||