Tsuzaki, Tatsuya
Current rating: 1529
Record: 10-10-2
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1455 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 700 | Korenaga, Shingo (1510) | Won 2-0 | +191474 |
| 2sealed | 829 | Kamata, Kazuhiro (1567) | Won 2-1 | +191493 |
| 3sealed | 778 | Kuribayashi, Tatsunori (1559) | Won 2-1 | +201513 |
| 4sealed | 653 | Chiba, Akio (1875) | Lost 0-2 | -121501 |
| 5sealed | 673 | Arita, Ryuichi (1686) | Won 2-0 | +211522 |
| 6sealed | 704 | Takahashi, Dai (1698) | Lost 1-2 | -151507 |
| 7sealed | 809 | Muraoka, Hideaki (1540) | Won 2-0 | +191526 |
| 8sealed | 703 | Ogawa, Daiki (1584) | Won 2-1 | +191545 |
| 9sealed | 668 | Yamada, Ryuichiro (1675) | Lost 1-2 | -161529 |
| top | average opponent: 1633record: 6-3 | new rating: 1529 | ||
| Grand Prix Okayama 2008 (ALA limited) | starting rating: 1489 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 258 | Sekine, Kiyotaka (1408) | Draw 0-0 | -21487 |
| 2sealed | 170 | Kataoka, Asami (1553) | Lost 1-2 | -161471 |
| 3sealed | 229 | Hanaoka, Toshifumi (1582) | Lost 0-2 | -161455 |
| top | average opponent: 1514record: 0-2-1 | new rating: 1455 | ||
| Grand Prix Kitakyushu 2005 (extended) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 8 | Hasegawa, Gaku (1469) | Won 2-1 | +171498 |
| 2extended | 66 | Shinozuka, Takaaki (1517) | Lost 0-2 | -171481 |
| 3extended | 65 | Kise, Masato (1641) | Lost 1-2 | -151466 |
| 4extended | 117 | Kamei, Kazuhiko (1488) | Won 2-0 | +181484 |
| 5extended | 87 | Kobayashi, Masanori (1579) | Won 2-0 | +201504 |
| 6extended | 48 | Teramoto, Shoji (1613) | Lost 1-2 | -161488 |
| 7extended | 72 | Imai, Kimio (1553) | Draw 1-1 | +11489 |
| top | average opponent: 1551record: 3-3-1 | new rating: 1489 | ||
| Grand Prix Okayama 2004 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 61 | Sada, Akihiro (1503) | Lost 0-2 | -181482 |
| 2extended | 132 | Kamei, Toru (1334) | Won 2-0 | +151497 |
| 3extended | 105 | Goto, Kiyoaki (1560) | Lost 0-2 | -161481 |
| top | average opponent: 1466record: 1-2 | new rating: 1481 | ||