Toyama, Takashi
Current rating: 1421
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1475 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 424 | Ishikawa, Naoki (1410) | Lost 1-2 | -201455 |
| 2sealed | 639 | Ito, Chihiro (1500) | Lost 1-2 | -171438 |
| 3sealed | 1075 | Yufu, Seizi (1372) | Won 2-0 | +171455 |
| 4sealed | 968 | Watarai, Kohei (1452) | Won 2-1 | +181473 |
| 5sealed | 852 | Ohshima, Hironori (1495) | Lost 0-2 | -181455 |
| 6sealed | 707 | Kagami, Hajime (1605) | Lost 0-2 | -151440 |
| 7sealed | 647 | Iitsuka, Satoshi (1358) | Lost 1-2 | -191421 |
| top | average opponent: 1456record: 2-5 | new rating: 1421 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 213 | Pai, Fu Tzu (1484) | Won 2-0 | +181483 |
| 2sealed | 486 | Ookura, Takahiro (1476) | Won 2-1 | +181501 |
| 3sealed | 232 | Oshikawa, Akira (1859) | Lost 0-2 | -121489 |
| 4sealed | 584 | Kanayama, Ryo (1537) | Lost 0-2 | -171472 |
| 5sealed | 556 | Hinohara, Toyokazu (1374) | Lost 0-2 | -191453 |
| 6sealed | 735 | Kudo, Koichi (1697) | Lost 1-2 | -141439 |
| 7sealed | 685 | Ooi, Adrian (1480) | Won 2-0 | +191458 |
| 8sealed | 574 | Mizoguchi, Satoru (1400) | Won 2-1 | +171475 |
| top | average opponent: 1538record: 4-4 | new rating: 1475 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 397 | Loi, Bennet (1544) | Won 2-1 | +191519 |
| 2sealed | 342 | Soda, Toshiyuki (1390) | Won 2-1 | +151534 |
| 3sealed | 494 | Gotou, Hiroyuki (1677) | Lost 0-2 | -151519 |
| 4sealed | 498 | Tse, Yuk Yin (1550) | Draw 1-1 | +11520 |
| 5sealed | 559 | Gilis, Lucas (1715) | Lost 0-2 | -151505 |
| 6sealed | 757 | Ichii, Hiroaki (1492) | Lost 0-2 | -181487 |
| 7sealed | 829 | Ashida, Yasuhiro (1438) | Won 2-1 | +171504 |
| 8sealed | 672 | Nakanishi, Kota (1358) | Lost 0-2 | -211483 |
| 9sealed | 633 | Sagawa, Zen (1462) | Lost 0-2 | -181465 |
| top | average opponent: 1514record: 3-5-1 | new rating: 1465 | ||