Hattori, Kosuke
Current rating: 1395
Record: 9-16-1
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1444 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 473 | Tanaka, Tomoya (1539) | Lost 1-2 | -161428 |
| 2sealed | 728 | Shibuya, Hikaru (1447) | Lost 0-2 | -181410 |
| 3sealed | 1143 | Ohtake, Nobuyuki (1445) | Won 2-1 | +191429 |
| 4sealed | 995 | Ota, Sho (1475) | Lost 1-2 | -171412 |
| 5sealed | 1101 | Nakamura, Daisuke (1460) | Lost 0-2 | -171395 |
| top | average opponent: 1473record: 1-4 | new rating: 1395 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1472 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 317 | Okamura, Naoki (1500) | Won 2-0 | +181490 |
| 2standard | 232 | Yamagata, Hiroki (1521) | Lost 1-2 | -171473 |
| 3standard | 843 | Atsumi, Yoshihiro (1487) | Won 2-1 | +181491 |
| 4standard | 621 | Irimura, Daisuke (1705) | Lost 0-2 | -141477 |
| 5standard | 876 | Takano, Yuuki (1676) | Lost 1-2 | -141463 |
| 6standard | 904 | Kagami, Takuya (1438) | Lost 0-2 | -191444 |
| top | average opponent: 1555record: 2-4 | new rating: 1444 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1504 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 934 | Kojima, Ryosuke (1500) | Lost 0-2 | -181486 |
| 2sealed | 940 | Nakagawa, Yu (1540) | Lost 0-2 | -171469 |
| 3sealed | 1118 | Hoshino, Yoshitaka (1463) | Won 1-0 | +181487 |
| 4sealed | 1046 | Samaru, Takafumi (1487) | Lost 0-2 | -181469 |
| 5sealed | 1022 | Asada, Tetsuaki (1470) | Won 2-1 | +181487 |
| 6sealed | 952 | Shiwaku, Tsuyoshi (1655) | Lost 1-2 | -151472 |
| top | average opponent: 1519record: 2-4 | new rating: 1472 | ||
| Grand Prix Nagoya 2014 (BNG limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 580 | Hamachiyo, Takahiro (1500) | Lost 0-2 | -181482 |
| 2sealed | 824 | Fukuta, Takeru (1431) | Won 2-1 | +171499 |
| 3sealed | 739 | Suzuki, Uta (1500) | Won 2-1 | +181517 |
| 4sealed | 722 | Abe, Motoki (1750) | Lost 1-2 | -141503 |
| 5sealed | 807 | Okamoto, Yoshihiko (1557) | Lost 0-2 | -171486 |
| 6sealed | 777 | U, Kashin (1410) | Won 2-1 | +171503 |
| 7sealed | 740 | Tashiro, Atsunori (1494) | Won 2-1 | +181521 |
| 8sealed | 650 | Nagata, Satoshi (1445) | Draw 1-1 | -21519 |
| 9sealed | 635 | Date, Tsutomu (1673) | Lost 0-2 | -151504 |
| top | average opponent: 1529record: 4-4-1 | new rating: 1504 | ||