Yamamoto, Tarou
Current rating: 1566
Record: 6-3
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 268 | Itagaki, Ryuji (1731) | Won 2-1 | +221522 |
| 2sealed | 275 | Yuuho, Kojima (1518) | Won 2-0 | +181540 |
| 3sealed | 70 | Aoki, Yoshitsugu (1653) | Lost 1-2 | -161524 |
| 4sealed | 194 | Ikeda, Ippei (1482) | Won 2-1 | +171541 |
| 5sealed | 244 | Ichikawa, Takayoshi (1583) | Won 2-1 | +191560 |
| 6sealed | 78 | Matsushita, Junnya (1655) | Won 2-1 | +201580 |
| 7sealed | 93 | Koizumi, Takashi (1603) | Won 2-1 | +181598 |
| 8sealed | 32 | Nagaoka, Takayuki (1824) | Lost 0-2 | -141584 |
| 9sealed | 55 | Hibino, Yasutaka (1572) | Lost 0-2 | -181566 |
| average opponent: 1625record: 6-3 | new rating: 1566 | |||