Yamaga, Takumi
Current rating: 1449
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1118 | Maeda, Takaanori (1500) | Lost 1-2 | -171449 |
| 2sealed | 1260 | Hariu, Daichi (1482) | Lost 0-2 | -181431 |
| 3sealed | 1359 | Kakuta, Yoshitaka (1399) | Won 2-1 | +181449 |
| top | average opponent: 1460record: 1-2 | new rating: 1449 | ||
| Grand Prix Kyoto 2015 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 549 | Kotuji, Ryou (1500) | Lost 0-2 | -181482 |
| 2legacy | 763 | Horie, Tooru (1614) | Lost 1-2 | -161466 |
| top | average opponent: 1557record: 0-2 | new rating: 1466 | ||
| Grand Prix Shizuoka 2013 (THS standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 220 | Yamauchi, Kazushi (1519) | Lost 1-2 | -181482 |
| 2standard | 299 | Hirakawa, Toru (1482) | Won 2-0 | +181500 |
| 3standard | 271 | Saitou, Katsutoshi (1500) | Won 2-0 | +181518 |
| 4standard | 157 | Mochizuki, Katsuhiko (1533) | Draw 1-1 | +11519 |
| 5standard | 199 | Endo, Susumu (1475) | Lost 0-2 | -191500 |
| top | average opponent: 1502record: 2-2-1 | new rating: 1500 | ||