Sekizawa, Tomohiko
Current rating: 1447
Record: 12-17
| Grand Prix Kobe 2017 (modern) | starting rating: 1432 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 689 | Imauchi, Masaharu (1500) | Won 2-0 | +201452 |
| 2modern | 430 | Sugimoto, Yuuki (1642) | Lost 0-2 | -151437 |
| 3modern | 1033 | Sakamoto, Ryousuke (1635) | Won 2-1 | +221459 |
| 4modern | 621 | Fujita, Shinpei (1518) | Won 1-0 | +191478 |
| 5modern | 410 | Iwazaki, Yuuta (1706) | Lost 0-2 | -141464 |
| 6modern | 836 | Rin, Hatta (1511) | Lost 0-2 | -171447 |
| top | average opponent: 1585record: 3-3 | new rating: 1447 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1443 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 500 | Aizawa, Seiji (1425) | Won 2-1 | +181461 |
| 2standard | 281 | Kikutani, Kou (1708) | Won 2-1 | +221483 |
| 3standard | 397 | Urasawa, Taiji (1705) | Lost 0-2 | -141469 |
| 4standard | 439 | Satou, Yoshikazu (1374) | Lost 0-2 | -201449 |
| 5standard | 795 | Hienuki, Koichi (1500) | Lost 0-2 | -171432 |
| top | average opponent: 1542record: 2-3 | new rating: 1432 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1391 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 2058 | Yamazaki, Tomotaka (1500) | Lost 1-2 | -161375 |
| 2sealed | 2294 | Shinada, Keugo (1504) | Won 2-0 | +201395 |
| 3sealed | 2338 | Hara, Yusuke (1499) | Won 2-1 | +201415 |
| 4sealed | 2187 | Matsuda, Yuichi (1519) | Lost 0-2 | -161399 |
| 5sealed | 2270 | Kidera, Seita (1653) | Won 2-1 | +231422 |
| 6sealed | 2229 | Ueno, Hideto (1403) | Won 2-0 | +171439 |
| 7sealed | 2106 | Sakurai, Taiki (1542) | Won 2-0 | +201459 |
| 8sealed | 2093 | Izumida, Takuma (1572) | Lost 0-2 | -161443 |
| top | average opponent: 1524record: 5-3 | new rating: 1443 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1459 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 741 | Furuya, Yuuki (1410) | Lost 1-2 | -191440 |
| 2sealed | 961 | Hirai, Kento (1483) | Lost 0-2 | -171423 |
| 3sealed | 1083 | Sakanaka, Yousuke (1466) | Lost 0-2 | -171406 |
| 4sealed | 1092 | Koshiishi, Tadahito (1409) | Lost 1-2 | -181388 |
| 5sealed | 1044 | Winward-Stuart, K. (1446) | Won 2-1 | +191407 |
| 6sealed | 973 | Okada, Taro (1527) | Lost 0-2 | -161391 |
| top | average opponent: 1457record: 1-5 | new rating: 1391 | ||
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 61 | Jinguu, Takanori (1463) | Won 2-1 | +171517 |
| 2sealed | 255 | Yamamoto, Takashi (1347) | Lost 1-2 | -211496 |
| 3sealed | 298 | Nihongi, Yuta (1416) | Lost 0-2 | -191477 |
| 4sealed | 403 | Yamanouchi, Yuki (1486) | Lost 0-2 | -181459 |
| top | average opponent: 1428record: 1-3 | new rating: 1459 | ||