Tsukamoto, Masato
Current rating: 1571
Record: 9-7
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 719 | Tozuka, Kouta (1600) | Won 2-1 | +201484 |
| 5sealed | 685 | Sasaki, Tsutomu (1561) | Lost 1-2 | -161468 |
| 6sealed | 758 | Yamada, Toshihiro (1549) | Won 2-0 | +191487 |
| 7sealed | 667 | Sasagawa, Tomohide (1700) | Won 2-1 | +221509 |
| 8sealed | 858 | Kojima, Yoshifumi (1561) | Lost 1-2 | -171492 |
| 9sealed | 910 | Kataoka, Hiroaki (1581) | Won 2-1 | +201512 |
| 10sealed | 118 | Saitou, Keiichirou (1734) | Won 2-0 | +221534 |
| 11sealed | 43 | Asahara, Akira (1994) | Lost 0-2 | -101524 |
| 12draft | 88 | Kadooka, Toshiyuki (1817) | Lost 0-2 | -131511 |
| 13draft | 13 | Sato, Kimihiko (1642) | Lost 1-2 | -161495 |
| 14draft | 113 | Itou, Satoshi (1537) | Won 2-1 | +191514 |
| 15draft | 9 | Takimura, Kazuyuki (1547) | Won 2-0 | +181532 |
| 16draft | 36 | Yamada, Yousuke (1663) | Won 2-1 | +211553 |
| 17draft | 61 | Wada, Kazunori (1577) | Won 2-0 | +181571 |
| average opponent: 1647record: 9-5 | new rating: 1571 | |||
| Grand Prix Kobe 2012 (DKA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 48 | Fuma, Keisuke (1500) | Lost 0-2 | -181482 |
| 2sealed | 317 | Ueno, Hiroshi (1482) | Lost 0-2 | -181464 |
| average opponent: 1491record: 0-2 | new rating: 1464 | |||