Hamachiyo, Takahiro
Current rating: 1385
Record: 23-33-1
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1434 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 419 | Urasaki, Takayuki (1578) | Lost 1-2 | -161418 |
| 2sealed | 722 | Yuasa, Kentarou (1470) | Lost 0-2 | -171401 |
| 3sealed | 1087 | Tamura, Satoshi (1510) | Lost 0-2 | -161385 |
| top | average opponent: 1519record: 0-3 | new rating: 1385 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 457 | Tanaka, Sou (1351) | Lost 0-2 | -201446 |
| 2sealed | 814 | Ishikawa, Hayate (1389) | Won 2-0 | +171463 |
| 3sealed | 644 | Ishikami, Naotaka (1644) | Lost 1-2 | -151448 |
| 4sealed | 816 | Uchiki, Takahiro (1463) | Lost 1-2 | -171431 |
| 5sealed | 994 | Konda, Tsuyoshi (1563) | Won 2-1 | +201451 |
| 6sealed | 850 | Konishi, Minato (1483) | Lost 0-2 | -171434 |
| top | average opponent: 1482record: 2-4 | new rating: 1434 | ||
| Grand Prix Chiba 2016 (legacy) | starting rating: 1467 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 278 | Bender, Marius Thomas (1582) | Won 2-0 | +201487 |
| 3legacy | 59 | Andou, Masahito (1561) | Won 2-1 | +191506 |
| 4legacy | 159 | Aizawa, Keiji (1865) | Won 2-1 | +241530 |
| 5legacy | 100 | Fujii, Masahiro (1606) | Won 2-1 | +201550 |
| 6legacy | 48 | Hirosawa, Yuuichirou (1582) | Lost 0-2 | -181532 |
| 7legacy | 121 | Smolinski, Kenneth (1564) | Won 2-1 | +191551 |
| 8legacy | 75 | Ichikawa, Yuuki (2189) | Lost 0-2 | -81543 |
| 9legacy | 131 | Kawahama, Yoshikazu (1745) | Lost 1-2 | -141529 |
| 10legacy | 257 | Hiromasa, Ryuusuke (1634) | Lost 0-2 | -161513 |
| 11legacy | 317 | Chung, Jason (1887) | Lost 1-2 | -121501 |
| 12legacy | 334 | Inukai, Kazuki (1516) | Lost 1-2 | -181483 |
| 13legacy | 306 | Ishihara, Koji (1526) | Lost 1-2 | -171466 |
| top | average opponent: 1688record: 5-7 | new rating: 1466 | ||
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1535 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 270 | Ishii, Takuya (1536) | Lost 0-2 | -181517 |
| 3sealed | 717 | Arita, Ryuichi (1731) | Won 2-1 | +221539 |
| 4sealed | 629 | Oguri, Hiroki (1427) | Won 2-1 | +161555 |
| 5sealed | 433 | Terada, Tadayoshi (1478) | Lost 0-2 | -201535 |
| 6sealed | 389 | Ishino, Hiroki (1595) | Lost 0-2 | -161519 |
| 7sealed | 762 | Kimura, Kazuki (1702) | Lost 1-2 | -151504 |
| 8sealed | 715 | Hachiya, Masahiro (1420) | Lost 0-2 | -201484 |
| 9sealed | 667 | Tanji, Kensuke (1499) | Lost 0-2 | -171467 |
| top | average opponent: 1549record: 2-6 | new rating: 1467 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1558 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 2062 | Kobayashi, Yuta (1516) | Lost 1-2 | -191539 |
| 3sealed | 2251 | Yakabe, Hikaru (1521) | Won 2-0 | +181557 |
| 4sealed | 2164 | Yoshimura, Wataru (1449) | Lost 0-2 | -201537 |
| 5sealed | 2250 | Matsuya, Rei (1493) | Won 2-1 | +171554 |
| 6sealed | 2141 | Iida, Keisuke (1492) | Lost 1-2 | -191535 |
| top | average opponent: 1494record: 2-3 | new rating: 1535 | ||
| Grand Prix Kyoto 2015 (legacy) | starting rating: 1599 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 43 | Takimura, Yuya (1521) | Lost 0-2 | -191580 |
| 4legacy | 219 | Nakamura, Taiki (1441) | Won 2-0 | +151595 |
| 5legacy | 99 | Suzuki, Toshiaki (1590) | Lost 1-2 | -181577 |
| 6legacy | 148 | Hagimori, Kaku (1502) | Lost 1-2 | -191558 |
| top | average opponent: 1514record: 1-3 | new rating: 1558 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1469 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 84 | Hirooka, Yoshihiro (1500) | Draw 1-1 | 01469 |
| 2sealed | 262 | Mizuguchi, Jun (1365) | Won 2-1 | +161485 |
| 3sealed | 237 | Nishiura, Natsu (1553) | Won 2-1 | +201505 |
| 4sealed | 124 | Mitsuyasu, Hidetoshi (1550) | Won 2-1 | +181523 |
| 5sealed | 61 | Itou, Motoaki (1682) | Lost 0-2 | -151508 |
| 6sealed | 142 | Mori, Masaki (1407) | Won 2-0 | +161524 |
| 7sealed | 87 | Hagiwara, Genta (1764) | Won 2-1 | +231547 |
| 8sealed | 49 | Noguchi, Takeshi (1568) | Won 2-1 | +181565 |
| 9sealed | 32 | Okumura, Masashi (1548) | Won 2-1 | +181583 |
| 10draft | 75 | Tsuchiya, Hideaki (1774) | Lost 0-2 | -151568 |
| 11draft | 14 | Hattori, Kazuki (1713) | Won 2-0 | +211589 |
| 12draft | 7 | Watanabe, Yuuya (2111) | Lost 1-2 | -91580 |
| 13draft | 30 | Ohashi, Akira (1600) | Lost 1-2 | -181562 |
| 14draft | 10 | Matsuo, Shuto (1518) | Won 2-0 | +171579 |
| 15draft | 76 | Sekine, Naoto (1700) | Won 2-1 | +201599 |
| top | average opponent: 1624record: 10-4-1 | new rating: 1599 | ||
| Grand Prix Nagoya 2014 (BNG limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 580 | Hattori, Kosuke (1500) | Won 2-0 | +181518 |
| 2sealed | 524 | Sano, Daiki (1553) | Lost 0-2 | -171501 |
| 3sealed | 737 | Kumagai, Riku (1732) | Lost 0-2 | -141487 |
| 4sealed | 855 | Nishioka, Junji (1482) | Lost 1-2 | -181469 |
| top | average opponent: 1567record: 1-3 | new rating: 1469 | ||