Yamaguchi, Kiyoshi
Current rating: 1525
Record: 8-7
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 403 | Matsuida, Naoki (1502) | Won 2-1 | +181518 |
| 2sealed | 288 | Ogawa, Ryota (1564) | Lost 0-2 | -171501 |
| 3sealed | 454 | Kondo, Masahiro (1476) | Won 2-1 | +171518 |
| 4sealed | 335 | Oshimi, Akira (1485) | Won 2-1 | +181536 |
| 5sealed | 198 | Taniguchi, Hironobu (1483) | Won 2-1 | +171553 |
| 6sealed | 43 | Kakimoto, Keigo (1555) | Won 2-1 | +181571 |
| 7sealed | 69 | Inui, Takashi (1629) | Won 2-0 | +191590 |
| 8sealed | 40 | Mitsui, Hideo (1665) | Won 2-0 | +191609 |
| 9sealed | 18 | Yuba, Takayuki (1604) | Lost 1-2 | -181591 |
| 10draft | 6 | Honda, Okihisa (1597) | Lost 1-2 | -181573 |
| 11draft | 76 | Ishino, Hiroki (1579) | Won 2-0 | +181591 |
| 12draft | 154 | Nitta, Ryou (1611) | Lost 0-2 | -171574 |
| 13draft | 62 | Nakamura, Keisuke (1660) | Lost 0-2 | -171557 |
| 14draft | 50 | Matsuda, Yuichi (1561) | Lost 0-2 | -181539 |
| 15draft | 136 | Nitta, Yuki (1751) | Lost 0-2 | -141525 |
| average opponent: 1581record: 8-7 | new rating: 1525 | |||