Hamada, Junji
Current rating: 1503
Record: 64-64-3
- 2005
- 2007
- 2008
- 2009
- 2012
- 2013
- 2014
- 2015
- 2016
- 2017
- 2018
- 2019
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1548 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 384 | Sumi, Kango (1555) | Lost 1-2 | -181530 |
| 3sealed | 791 | Wang, Haoming (1497) | Lost 0-2 | -181512 |
| 4sealed | 831 | Tokitsu, Hiroshi (1520) | Lost 0-2 | -181494 |
| 5sealed | 918 | Honda, Masaki (1187) | Won 2-1 | +121506 |
| 6sealed | 708 | Kawai, Kentaro (1462) | Won 2-0 | +181524 |
| 7sealed | 571 | Tokeshi, Hiroki (1397) | Lost 0-2 | -211503 |
| top | average opponent: 1437record: 2-4 | new rating: 1503 | ||
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1576 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 280 | Nishi, Eiichi (1468) | Lost 0-2 | -201556 |
| 3standard | 746 | Soeda, Kohei (1420) | Won 2-1 | +161572 |
| 4standard | 597 | Ichikawa, Takahiro (1521) | Lost 0-2 | -191553 |
| 5standard | 692 | Murakami, Kohei (1484) | Won 2-0 | +161569 |
| 6standard | 548 | Yamazaki, Masaomi (1491) | Lost 0-2 | -191550 |
| 7standard | 675 | Hasegawa, Shun-ya (1520) | Won 2-1 | +171567 |
| 8standard | 612 | Tamano, Yuuki (1496) | Lost 1-2 | -191548 |
| top | average opponent: 1486record: 3-4 | new rating: 1548 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1605 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 248 | Inotsume, Ayumu (1500) | Lost 0-2 | -201585 |
| 2sealed | 847 | Suzuki, Takahisa (1325) | Won 2-1 | +141599 |
| 3sealed | 929 | Sakai, Yasumasa (1485) | Won 2-0 | +161615 |
| 4sealed | 288 | Kozaki, Yosuke (1538) | Lost 1-2 | -201595 |
| 5sealed | 654 | Inoue, Hiroyuki8845 (1527) | Lost 1-2 | -191576 |
| top | average opponent: 1475record: 2-3 | new rating: 1576 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1579 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 89 | Hostettler, Christophe (1764) | Won 2-0 | +211600 |
| 3sealed | 456 | Kobayashi, Tatsuumi (1949) | Won 2-1 | +241624 |
| 4sealed | 136 | Yang, Xiao Yu (Roy) (1803) | Lost 1-2 | -151609 |
| 5sealed | 264 | Tanaka, Rizumu (1665) | Won 2-0 | +191628 |
| 6sealed | 147 | LeRoux, Colette (1640) | Lost 1-2 | -181610 |
| 7sealed | 357 | Masuda, Keigo (1583) | Won 2-1 | +181628 |
| 8sealed | 314 | Furuya, Youhei (1710) | Won 2-0 | +191647 |
| 9sealed | 188 | Nakamura, Shuhei (2038) | Lost 0-2 | -111636 |
| 10draft | 256 | Endo, Natsumi (1559) | Lost 0-2 | -191617 |
| 11draft | 308 | Maurer, Tobias (1825) | Lost 1-2 | -141603 |
| 12draft | 44 | Sakamoto, Aihei (1563) | Lost 0-2 | -191584 |
| 13draft | 157 | Kanegawa, Toshiya (1772) | Won 2-0 | +211605 |
| top | average opponent: 1739record: 6-6 | new rating: 1605 | ||
| Grand Prix Kobe 2017 (modern) | starting rating: 1596 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 590 | Ishihara, Atsushi (1613) | Lost 0-2 | -171579 |
| top | record: 0-1 | new rating: 1579 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1553 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 655 | Saito, Naruto (1391) | Won 2-0 | +151568 |
| 2standard | 413 | Suzuki, Masaya (1368) | Won 2-0 | +151583 |
| 3standard | 548 | Shinohara, Yuusaku (1505) | Won 2-1 | +161599 |
| 4standard | 208 | Yamazaki, Yuuki (1695) | Lost 1-2 | -161583 |
| 5standard | 438 | Higashino, Shogo (1392) | Won 2-0 | +141597 |
| 6standard | 373 | Ishiwada, Hiroyuki (1723) | Lost 0-2 | -151582 |
| 7standard | 442 | Takao, Akinao (1587) | Won 2-0 | +181600 |
| 8standard | 284 | Taniguchi, Yuki (1486) | Won 2-1 | +161616 |
| 9standard | 89 | Nishida, Masahiro (1501) | Lost 1-2 | -201596 |
| 10standard | 224 | Zhao, Tianyu (1648) | Lost 0-2 | -171579 |
| 11standard | 334 | Oohashi, Toshiyuki (1758) | Lost 0-2 | -151564 |
| 12standard | 365 | Mizui, Tomoyuki (1449) | Won 2-0 | +161580 |
| 13standard | 274 | Leung, Sai Ho (1564) | Lost 0-2 | -181562 |
| 14standard | 284 | Isayama, Yusuke (1576) | Won 2-1 | +181580 |
| 15standard | 266 | Ichikawa, Tomokazu (1496) | Won 2-1 | +161596 |
| top | average opponent: 1543record: 9-6 | new rating: 1596 | ||
| Grand Prix Chiba 2016 (legacy) | starting rating: 1583 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 673 | Ogata, Taro (1480) | Lost 1-2 | -201563 |
| 2legacy | 608 | Okajima, Masahiro (1562) | Won 2-1 | +181581 |
| 3legacy | 960 | Kawaramoto, Yuya (1431) | Lost 1-2 | -201561 |
| 4legacy | 829 | Ichihara, Daichi (1494) | Won 2-0 | +161577 |
| 5legacy | 828 | Sano, Kaname (1515) | Lost 1-2 | -191558 |
| 6legacy | 989 | Endo, Yasuhiko (1454) | Won 2-0 | +161574 |
| 7legacy | 579 | Nakano, Shohei (1519) | Won 2-1 | +171591 |
| 8legacy | 572 | Tatsuki, Katoh (1516) | Lost 1-2 | -191572 |
| 9legacy | 604 | Adachi, Ryosuke (1519) | Lost 1-2 | -191553 |
| top | average opponent: 1499record: 4-5 | new rating: 1553 | ||
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1556 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 59 | Andou, Ryou (1598) | Won 2-0 | +181574 |
| 3sealed | 254 | Murakami, Kazuya3837 (1673) | Lost 0-2 | -161558 |
| 4sealed | 638 | Tomimatsu, Yosihumi (1434) | Won 2-0 | +161574 |
| 5sealed | 262 | Suzuki, Junpei (1602) | Won 2-1 | +181592 |
| 6sealed | 241 | Ooi, Masaki (1608) | Lost 1-2 | -171575 |
| 7sealed | 443 | Kawamura, Kazushi (1852) | Won 2-0 | +231598 |
| 8sealed | 306 | Nagaoka, Takayuki (1829) | Lost 1-2 | -141584 |
| 9sealed | 420 | Hayashi, Tetsuo (1555) | Draw 1-1 | -11583 |
| top | average opponent: 1644record: 4-3-1 | new rating: 1583 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1530 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 2181 | Maeno, Kazuha (1880) | Lost 0-2 | -121518 |
| 4sealed | 2229 | Endou, Hideaki (1542) | Won 2-1 | +191537 |
| 5sealed | 2092 | Sano, Kouta (1511) | Won 2-0 | +171554 |
| 6sealed | 2112 | Jeong, Hyunwoo (1704) | Lost 0-2 | -151539 |
| 7sealed | 2177 | Shiraishi, Tsutomu (1539) | Won 2-1 | +181557 |
| 8sealed | 2098 | Iso, Toshiharu (1519) | Lost 0-2 | -191538 |
| 9sealed | 2105 | Aida, Yasuki (1502) | Won 2-0 | +181556 |
| top | average opponent: 1600record: 4-3 | new rating: 1556 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1512 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 200 | Tong, King Yim Kingston (1761) | Lost 1-2 | -141498 |
| 2sealed | 283 | Hata, Kengo (1484) | Won 2-1 | +181516 |
| 3sealed | 296 | Tachibana, Emu (1499) | Won 2-0 | +171533 |
| 4sealed | 185 | Satou, Akihiko (1548) | Won 2-0 | +191552 |
| 5sealed | 70 | Senoo, Yuto (1539) | Won 2-1 | +171569 |
| 6sealed | 36 | Toyooka, Shinichi (1540) | Lost 1-2 | -181551 |
| 7sealed | 193 | Sugioka, Noriyuki (1543) | Lost 0-2 | -181533 |
| 8sealed | 182 | Onizuka, Makoto (1478) | Won 2-1 | +171550 |
| 9sealed | 144 | Taniguchi, Hironobu (1463) | Lost 1-2 | -201530 |
| top | average opponent: 1540record: 5-4 | new rating: 1530 | ||
| Grand Prix Kobe 2014 (modern) | starting rating: 1492 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 360 | Hashimoto, Naoya (1500) | Lost 1-2 | -181474 |
| 2modern | 328 | Kitamura, Mitsuhiro (1429) | Won 2-0 | +171491 |
| 3modern | 320 | Kuroda, Aki (1469) | Won 2-1 | +181509 |
| 4modern | 351 | Akaike, Yo (1588) | Won 2-1 | +191528 |
| 5modern | 171 | Masuda, Ryou (1519) | Won 2-1 | +181546 |
| 6modern | 106 | Oodan, Takeshi (1611) | Lost 0-2 | -171529 |
| 7modern | 264 | Kanazawa, Shuu (1539) | Lost 1-2 | -171512 |
| top | average opponent: 1522record: 4-3 | new rating: 1512 | ||
| Grand Prix Kitakyushu 2013 (M14 standard) | starting rating: 1471 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 282 | Kurata, Takayuki (1504) | Won 2-0 | +191490 |
| 2standard | 88 | Kato, Jun (1518) | Lost 0-2 | -181472 |
| 3standard | 272 | Hisano, Mikita (1524) | Won 2-1 | +191491 |
| 4standard | 371 | Nakamura, Tomohiko (1498) | Won 2-1 | +181509 |
| 5standard | 262 | Takagi, Kosuke (1537) | Won 2-1 | +191528 |
| 6standard | 47 | Jiao, Chang (1455) | Lost 0-2 | -201508 |
| 7standard | 184 | Trakulsuk, Kawin (1554) | Lost 0-2 | -171491 |
| 8standard | 218 | Kawasaki, Hirotaka (1533) | Won 2-0 | +191510 |
| 9standard | 137 | Ikeda, Takumi (1504) | Lost 1-2 | -181492 |
| top | average opponent: 1514record: 5-4 | new rating: 1492 | ||
| Grand Prix Nagoya 2012 (RTR standard) | starting rating: 1476 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 360 | Yagi, Koutarou (1500) | Won 2-0 | +191495 |
| 2standard | 304 | Matsumura, Toshikazu (1560) | Lost 0-2 | -171478 |
| 3standard | 577 | Takesue, Chikara (1651) | Lost 1-2 | -151463 |
| 4standard | 678 | Matsuura, Hiroyuki (1497) | Won 2-0 | +181481 |
| 5standard | 507 | Oikawa, Masafumi (1415) | Lost 0-2 | -191462 |
| 6standard | 591 | Umeki, Ryo (1514) | Won 2-1 | +191481 |
| 7standard | 482 | Soh, Weng Heng (1944) | Lost 0-2 | -101471 |
| top | average opponent: 1583record: 3-4 | new rating: 1471 | ||
| Grand Prix Kitakyushu 2009 (ZEN limited) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 21 | Ishiguro, Satoshi (1462) | Lost 0-2 | -181465 |
| 2sealed | 183 | Nishihara, Hiroki (1432) | Won 2-1 | +171482 |
| 3sealed | 138 | Taira, Shunichi (1645) | Won 2-0 | +211503 |
| 4sealed | 115 | Saito, Takaya (1693) | Lost 1-2 | -141489 |
| 5sealed | 153 | Shiozu, Ryouma (1806) | Lost 0-2 | -131476 |
| top | average opponent: 1608record: 2-3 | new rating: 1476 | ||
| Grand Prix Kobe 2008 (Lorwyn block) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 260 | Harane, Kenta (1500) | Lost 0-2 | -181465 |
| 2block | 352 | Kinpara, Tsunahiro (1414) | Lost 0-2 | -191446 |
| 3block | 353 | Hashimoto, Yoshiyuki (1410) | Won 2-0 | +171463 |
| 4block | 346 | Morita, Shougo (1482) | Won 2-1 | +191482 |
| 5block | 232 | Araki, Yuu (1496) | Won 2-1 | +181500 |
| 6block | 228 | Hitomi, Masaaki (1428) | Lost 1-2 | -191481 |
| 7block | 209 | Miura, Tadayuki (1425) | Won 2-0 | +171498 |
| 8block | 132 | Shiota, Yuuma (1570) | Draw 1-1 | +11499 |
| 9block | 133 | Satou, Kenji (1614) | Lost 0-2 | -161483 |
| top | average opponent: 1482record: 4-4-1 | new rating: 1483 | ||
| Grand Prix Kitakyushu 2007 (LRW limited) | starting rating: 1530 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 98 | Kaneyasu, Takeshi (1429) | Lost 1-2 | -201510 |
| 2sealed | 107 | Uematsu, Kouichi (1491) | Lost 1-2 | -181492 |
| 3sealed | 130 | Itou, Motoaki (1523) | Won 2-1 | +181510 |
| 4sealed | 132 | Yamasaki, Sadaharu (1373) | Won 2-1 | +161526 |
| 5sealed | 108 | Ookawa, Noritsugu (1449) | Lost 0-2 | -191507 |
| 6sealed | 108 | Miyasaka, Takeshi (1484) | Lost 1-2 | -191488 |
| 7sealed | 48 | Ishibashi, Akitomo (1265) | Won 2-1 | +141502 |
| 8sealed | 32 | Akaike, Yo (1422) | Lost 0-2 | -191483 |
| top | average opponent: 1430record: 3-5 | new rating: 1483 | ||
| Grand Prix Kitakyushu 2005 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 58 | Mizuno, Akimitsu (1378) | Won 2-1 | +161516 |
| 2extended | 10 | Kawakami, Seiji (1426) | Lost 0-2 | -201496 |
| 3extended | 62 | Takeuchi, Ryota (1470) | Lost 0-2 | -181478 |
| 4extended | 121 | Maruyama, Kentarou (1444) | Draw 1-1 | -11477 |
| 5extended | 106 | Ushirosyouji, Takeshi (1467) | Won 2-1 | +181495 |
| 6extended | 84 | Tanigami, Seiya (1477) | Won 2-0 | +181513 |
| 7extended | 65 | Toyama, Kazuaki (1487) | Won 2-0 | +171530 |
| top | average opponent: 1450record: 4-2-1 | new rating: 1530 | ||