Kato, Naoki
Current rating: 1421
Record: 12-19
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1391 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 483 | Yamamoto, Kenta (1515) | Lost 0-2 | -161375 |
| 2sealed | 830 | Karibe, Ryutaro (1482) | Won 1-0 | +201395 |
| 3sealed | 740 | Ichinohe, Yujiro (1500) | Won 2-0 | +201415 |
| 4sealed | 326 | Itou, Motoki (1498) | Lost 0-2 | -171398 |
| 5sealed | 738 | Yamashita, Hiromichi (1433) | Won 2-0 | +191417 |
| 6sealed | 704 | Kiyohara, Daichi (1550) | Won 2-0 | +201437 |
| 7sealed | 269 | Imai, Yuuki (1549) | Won 2-0 | +201457 |
| 8sealed | 284 | Hashimoto, Arata (1567) | Won 2-1 | +201477 |
| 9sealed | 83 | Tominaga, Yuya (1635) | Lost 0-2 | -151462 |
| 10draft | 373 | Matsuo, Hirokazu (1575) | Lost 0-2 | -161446 |
| 11draft | 74 | Takeshita, Toru (1700) | Lost 0-2 | -131433 |
| 12draft | 346 | Okada, Yoshikazu (1600) | Lost 0-2 | -151418 |
| 13draft | 250 | Okamoto, Hideaki (1463) | Won 2-1 | +191437 |
| 14draft | 139 | Fujii, Tomoyuki (1577) | Lost 0-2 | -161421 |
| top | average opponent: 1546record: 7-7 | new rating: 1421 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1398 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 479 | Ajitomi, Takeshi (1500) | Won 2-0 | +201418 |
| 2standard | 430 | Konda, Tsuyoshi (1518) | Won 2-1 | +191437 |
| 3standard | 273 | Hattori, Taiki (1740) | Lost 0-2 | -121425 |
| 4standard | 508 | Higashino, Shogo (1447) | Lost 1-2 | -181407 |
| 5standard | 614 | Takafuji, Masato (1495) | Lost 1-2 | -161391 |
| top | average opponent: 1540record: 2-3 | new rating: 1391 | ||
| Grand Prix Nagoya 2014 (BNG limited) | starting rating: 1449 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 623 | Kuraoka, Satoshi (1518) | Lost 0-2 | -171432 |
| 2sealed | 833 | Umemura, Kazuki (1482) | Lost 1-2 | -171415 |
| 3sealed | 879 | Sato, Shuhei (1466) | Lost 0-2 | -171398 |
| top | average opponent: 1489record: 0-3 | new rating: 1398 | ||
| Grand Prix Shizuoka 2013 (THS standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 601 | Ozawa, Tetsuya (1553) | Lost 1-2 | -171483 |
| 2standard | 748 | Suzuki, Shogo (1422) | Won 2-0 | +171500 |
| 3standard | 783 | Okada, Taro (1527) | Won 2-1 | +181518 |
| 4standard | 635 | Kurihara, Yuuji (1571) | Lost 1-2 | -171501 |
| 5standard | 715 | Terada, Tadayoshi (1498) | Won 2-1 | +181519 |
| 6standard | 748 | Kameyama, Takeshi (1591) | Lost 0-2 | -161503 |
| 7standard | 733 | Aoki, Masahiro (1569) | Lost 0-2 | -171486 |
| 8standard | 731 | Umeki, Ryo (1460) | Lost 1-2 | -191467 |
| 9standard | 814 | Fujikuma, Satoshi (1431) | Lost 1-2 | -181449 |
| top | average opponent: 1513record: 3-6 | new rating: 1449 | ||