Tamoto, Akihiro
Current rating: 1501
Record: 16-17-1
| Grand Prix Nagoya 2019 (ELD standard) | starting rating: 1517 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 426 | Tomita, Naoki (1644) | Lost 1-2 | -161501 |
| 2standard | 520 | Kudo, Yoshikazu (1485) | Won 2-1 | +181519 |
| 3standard | 591 | Hieda, Ryu (1592) | Won 2-1 | +191538 |
| 4standard | 326 | Aoki, Takuya (1517) | Lost 1-2 | -181520 |
| 5standard | 558 | Cho, Alex (1503) | Lost 0-2 | -191501 |
| top | average opponent: 1548record: 2-3 | new rating: 1501 | ||
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1492 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 370 | Kotouge, Tatsuya (1687) | Won 2-0 | +221514 |
| 2sealed | 428 | Igura, Hayato (1495) | Won 2-0 | +181532 |
| 3sealed | 369 | Koyama, Yu (1549) | Lost 1-2 | -181514 |
| 4sealed | 611 | Soshi, Yuya (1523) | Won 2-0 | +181532 |
| 5sealed | 296 | Itodani, Tetsurou (1679) | Lost 0-2 | -151517 |
| top | average opponent: 1587record: 3-2 | new rating: 1517 | ||
| Grand Prix Kyoto 2019 (RNA standard) | starting rating: 1519 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 558 | Yamamoto, Kazuaki (1472) | Won 2-0 | +171536 |
| 2standard | 299 | Yasufuku, Akihiro (1451) | Lost 0-2 | -201516 |
| 3standard | 525 | Kojima, Toshihiro (1276) | Lost 1-2 | -221494 |
| 4standard | 727 | Huang, Erxuan (1424) | Won 2-0 | +171511 |
| 5standard | 638 | Mimido, Ryuji (1491) | Lost 0-2 | -191492 |
| top | average opponent: 1423record: 2-3 | new rating: 1492 | ||
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1549 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 237 | Adachi, Kazumasa (1500) | Lost 0-2 | -191530 |
| 2standard | 890 | Hirose, Yutaka (1344) | Won 2-1 | +151545 |
| 3standard | 739 | Ogiwara, Ryoichi (1488) | Lost 0-2 | -191526 |
| 4standard | 855 | Sakurai, Tomoya (1236) | Won 2-0 | +121538 |
| 5standard | 685 | Ooisi, Yasuhide (1448) | Lost 1-2 | -191519 |
| top | average opponent: 1403record: 2-3 | new rating: 1519 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 596 | Kimura, Yuito (1553) | Won 2-1 | +191519 |
| 2sealed | 22 | Otsubo, Hajime (1516) | Won 2-0 | +181537 |
| 3sealed | 217 | Ohkura, Ryota (1619) | Won 2-0 | +191556 |
| 4sealed | 228 | Hirosawa, Yuuta (1959) | Won 2-1 | +251581 |
| 5sealed | 123 | Wada, Tsubasa (1585) | Won 2-0 | +181599 |
| 6sealed | 4 | Komiyama, Kouhei (1471) | Won 2-1 | +161615 |
| 7sealed | 3 | Saida, Toshihiro (1816) | Lost 0-2 | -141601 |
| 8sealed | 24 | Kawahama, Yoshikazu (1817) | Lost 1-2 | -141587 |
| 9sealed | 224 | Matsumoto, Yuki2978 (1957) | Lost 1-2 | -121575 |
| 10draft | 676 | Han, Chin Yao (1826) | Lost 0-2 | -131562 |
| 11draft | 578 | Harane, Kenta (1828) | Won 2-1 | +221584 |
| 12draft | 701 | Sasaki, Tsuyoshi (1471) | Draw 1-1 | -21582 |
| 13draft | 584 | Peng, Jianjia (1862) | Lost 1-2 | -131569 |
| 14draft | 675 | Kuramoto, Hiroki (1439) | Lost 1-2 | -201549 |
| top | average opponent: 1694record: 7-6-1 | new rating: 1549 | ||