Kobayashi, Ken
Current rating: 1458
| Grand Prix Chiba 2016 (legacy) | starting rating: 1447 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 296 | Nakahara, Yoshihiro (1446) | Won 2-0 | +181465 |
| 2legacy | 475 | Ochiai, Yusuke (1637) | Lost 0-2 | -151450 |
| 3legacy | 966 | Matsumata, Syusaku (1433) | Won 2-1 | +181468 |
| 4legacy | 763 | Kurata, Shintaro (1560) | Lost 0-2 | -161452 |
| 5legacy | 585 | Hibino, Yasutaka (1664) | Lost 0-2 | -151437 |
| 6legacy | 801 | Ochi, Kensuke (1480) | Won 2-0 | +191456 |
| 7legacy | 637 | Ootsuki, Keisuke (1501) | Won 2-1 | +191475 |
| 8legacy | 415 | Kawasaki, Yusuke (1517) | Lost 1-2 | -171458 |
| top | average opponent: 1530record: 4-4 | new rating: 1458 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 737 | Kasai, Takahide (1407) | Lost 0-2 | -191464 |
| 2standard | 1069 | Yamada, Ryo (1482) | Lost 0-2 | -181446 |
| 3standard | 1565 | Uchida, Wataru (1510) | Won 2-0 | +191465 |
| 4standard | 1210 | Urasaki, Takayuki (1599) | Lost 0-2 | -151450 |
| 5standard | 1431 | Muraki, Yuta (1369) | Won 2-0 | +161466 |
| 6standard | 1056 | Hata, Tomonori (1399) | Lost 1-2 | -191447 |
| top | average opponent: 1461record: 2-4 | new rating: 1447 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 2384 | Jinguu, Keiji (1500) | Won 2-0 | +181518 |
| 2sealed | 2094 | Wong, Kenneth (1677) | Draw 1-1 | +31521 |
| 3sealed | 2214 | Ichinose, Noritoshi (1436) | Lost 1-2 | -201501 |
| 4sealed | 2313 | Kano, Daichi (1499) | Lost 0-2 | -181483 |
| top | average opponent: 1528record: 1-2-1 | new rating: 1483 | ||