Wataru, Kobayashi
Current rating: 1418
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1429 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 156 | Murata, Toshiaki (1837) | Lost 1-2 | -111418 |
| top | record: 0-1 | new rating: 1418 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1443 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 379 | Takeda, Teruhisa (1499) | Lost 0-2 | -171426 |
| 2standard | 922 | Nagai, Shinsaku (1482) | Won 2-0 | +191445 |
| 3standard | 947 | Harada, Dampei (1581) | Lost 0-2 | -161429 |
| top | average opponent: 1521record: 1-2 | new rating: 1429 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1497 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 2001 | Saeki, Tomoya (1436) | Lost 1-2 | -191478 |
| 2sealed | 2379 | Kawanishi, Naoki (1483) | Lost 1-2 | -181460 |
| 3sealed | 2445 | Motoi, Kenichi (1469) | Lost 1-2 | -171443 |
| top | average opponent: 1463record: 0-3 | new rating: 1443 | ||
| Grand Prix Kobe 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 176 | Ootuka, Toshiyuki (1500) | Won 2-0 | +181518 |
| 2modern | 209 | Endou, Hideaki (1518) | Lost 0-2 | -181500 |
| 3modern | 387 | Shimada, Katsuhiro (1462) | Lost 1-2 | -191481 |
| 4modern | 372 | Tabuchi, Toshiyuki (1482) | Won 2-0 | +181499 |
| 5modern | 294 | Hama, Shunsuke (1432) | Won 2-1 | +171516 |
| 6modern | 221 | Matoba, Keisuke (1483) | Lost 1-2 | -191497 |
| top | average opponent: 1480record: 3-3 | new rating: 1497 | ||