Yamamoto, Takuto
Current rating: 1404
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1438 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 37 | Otsu, Shuhei (1422) | Lost 0-2 | -181420 |
| 2sealed | 615 | Kawaharada, Kosaku (1367) | Won 2-1 | +171437 |
| 3sealed | 814 | Tanabe, Takumi (1536) | Lost 0-2 | -161421 |
| 4sealed | 1000 | Ohsato, Tetsuya (1512) | Lost 1-2 | -171404 |
| top | average opponent: 1459record: 1-3 | new rating: 1404 | ||
| Grand Prix Yokohama 2019 (modern) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 493 | Kawahara, Ryouta (1753) | Lost 1-2 | -131472 |
| 2modern | 916 | Konishi, So (1580) | Lost 0-2 | -161456 |
| 3modern | 1100 | Shin, Antsu (1469) | Lost 1-2 | -181438 |
| top | average opponent: 1601record: 0-3 | new rating: 1438 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 16 | Shishikura, Masahiro (1466) | Won 2-1 | +171517 |
| 2sealed | 312 | Chen, Edward (1681) | Won 2-1 | +211538 |
| 3sealed | 268 | Sasaki, Yuusuke 6248 (1537) | Lost 0-2 | -181520 |
| 4sealed | 626 | Tsutazawa, Hiroshi (1564) | Lost 0-2 | -171503 |
| 5sealed | 759 | Ichisugi, Shingo (1501) | Lost 0-2 | -181485 |
| top | average opponent: 1550record: 2-3 | new rating: 1485 | ||