Miyata, Dai
Current rating: 1528
Record: 6-5
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1503 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 640 | Kamada, Yuuki (1526) | Won 2-0 | +191522 |
| 2sealed | 73 | Kawasoe, Shintaro (1663) | Lost 1-2 | -161506 |
| 3sealed | 603 | Kubo, Hirotaka (1539) | Won 2-0 | +191525 |
| 4sealed | 362 | Ohtsubo, Masashi (1503) | Won 2-0 | +171542 |
| 5sealed | 507 | Katou, Susumu (1647) | Won 2-1 | +201562 |
| 6sealed | 319 | Uchida, Satoru (1596) | Lost 0-2 | -171545 |
| 7sealed | 456 | Saito, Ryo 6701 (1598) | Lost 0-2 | -171528 |
| average opponent: 1582record: 4-3 | new rating: 1528 | |||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 224 | Price, Debbie (1500) | Won 2-0 | +181518 |
| 2sealed | 185 | Ishii, Minoru (1517) | Won 2-0 | +181536 |
| 3sealed | 46 | Satou, Tsubasa (1609) | Lost 0-2 | -171519 |
| 4sealed | 258 | Usui, Toru (1626) | Lost 0-2 | -161503 |
| average opponent: 1563record: 2-2 | new rating: 1503 | |||