Nakamura, Tamon
Current rating: 1482
Record: 19-22
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1538 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 377 | Kawano, Toshifumi (1570) | Lost 0-2 | -171521 |
| 2sealed | 587 | Fukuike, Masayuki (1483) | Lost 0-2 | -191502 |
| 3sealed | 1082 | Ariga, Takayuki (1361) | Lost 0-2 | -201482 |
| top | average opponent: 1472record: 0-3 | new rating: 1482 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1501 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 374 | Nakamura, Taro (1317) | Won 2-1 | +151516 |
| 2sealed | 255 | Mori, Hiroyuki (1489) | Lost 1-2 | -191497 |
| 3sealed | 934 | Nitta, Nobuhiro (1497) | Lost 0-2 | -181479 |
| 4sealed | 914 | Nakanomori, Toshikatsu (1464) | Won 2-1 | +181497 |
| 5sealed | 750 | Tsuchida, Masahiro (1505) | Won 2-0 | +181515 |
| 6sealed | 460 | Katada, Masato (1509) | Won 2-0 | +181533 |
| 7sealed | 488 | Ogawa, Masafumi (1663) | Won 2-1 | +201553 |
| 8sealed | 157 | Nakai, Tomoki (1721) | Lost 0-2 | -151538 |
| top | average opponent: 1521record: 5-3 | new rating: 1538 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 148 | Kawaguchi, Kyouhei (1800) | Lost 1-2 | -121451 |
| 2sealed | 634 | Sashida, Tomoro (1522) | Won 2-0 | +201471 |
| 3sealed | 579 | Hagiwara, Noriyuki (1738) | Lost 0-2 | -141457 |
| 4sealed | 980 | Balcells, Josep (1567) | Won 2-0 | +201477 |
| 5sealed | 858 | Kojima, Yoshimasa (1584) | Lost 1-2 | -161461 |
| 6sealed | 769 | Lau, Zac (1483) | Won 2-0 | +191480 |
| 7sealed | 793 | Miwa, Yusuke (1444) | Won 2-0 | +171497 |
| 8sealed | 587 | Kunisada, Shougo (1496) | Won 2-1 | +181515 |
| 9sealed | 343 | Takagi, Takeshi (1744) | Lost 0-2 | -141501 |
| top | average opponent: 1597record: 5-4 | new rating: 1501 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 2221 | Takamisawa, Yuki (1519) | Won 2-1 | +201466 |
| 2sealed | 2095 | Sasaki, Yuuta (1838) | Lost 1-2 | -121454 |
| 3sealed | 2387 | Kudo, Aika (1480) | Won 2-0 | +191473 |
| 4sealed | 2263 | Hasebe, Shunichi (1468) | Won 2-0 | +181491 |
| 5sealed | 2145 | Nishidome, Keitarou (1487) | Lost 1-2 | -191472 |
| 6sealed | 2244 | Park, Jun Young (2004) | Lost 0-2 | -91463 |
| top | average opponent: 1633record: 3-3 | new rating: 1463 | ||
| Grand Prix Kitakyushu 2007 (LRW limited) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 8 | Kawasaki, Akinori (1500) | Won 2-0 | +181499 |
| 2sealed | 66 | Sakamoto, Sakito (1510) | Lost 1-2 | -171482 |
| 3sealed | 117 | Kozakai, Yukio (1505) | Lost 1-2 | -181464 |
| 4sealed | 141 | Mera, Kenichi (1485) | Lost 1-2 | -181446 |
| top | average opponent: 1500record: 1-3 | new rating: 1446 | ||
| Grand Prix Fukuoka 2002 (TOR limited) | starting rating: 1519 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 72 | Masushige, Yoshihiro (1481) | Won 2-0 | +181537 |
| 2sealed | 44 | Nakamura, Kiyonari (1483) | Lost 1-2 | -191518 |
| 3sealed | 122 | Adachi, Junya (1500) | Lost 1-2 | -191499 |
| 4sealed | 160 | Shimizu, Masaaki (1481) | Lost 1-2 | -181481 |
| top | average opponent: 1486record: 1-3 | new rating: 1481 | ||
| Grand Prix Hiroshima 2001 (INV limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 20 | Yamada, Noriaki (1500) | Lost 0-2 | -181482 |
| 2sealed | 187 | Kunita, Tetsuya (1484) | Won 2-1 | +181500 |
| 3sealed | 144 | Komatsu, Toshiaki (1550) | Won 2-0 | +191519 |
| 4sealed | 58 | Sato, Shinichi (1518) | Won 2-1 | +181537 |
| 5sealed | 29 | Miyasaka, Takeshi (1559) | Lost 0-2 | -181519 |
| 6sealed | 70 | Kawase, Shuji (1517) | Won 2-1 | +181537 |
| 7sealed | 50 | Sasaki, Ken (1538) | Lost 0-2 | -181519 |
| top | average opponent: 1524record: 4-3 | new rating: 1519 | ||