Yamazaki, jun-40
Current rating: 1515
Record: 5-4
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 338 | Yoshikawa, Kazuki (1406) | Won 2-0 | +161516 |
| 2sealed | 134 | Katsuragi, Atsushi (1500) | Won 2-1 | +181534 |
| 3sealed | 141 | Yamakawa, Hiroyuki (1421) | Won 2-0 | +161550 |
| 4sealed | 126 | Toshima, Shibuki (1553) | Won 2-1 | +181568 |
| 5sealed | 14 | Bae, Sanghoon (1395) | Won 2-1 | +151583 |
| 6sealed | 17 | Miyahara, Syoutarou (1708) | Lost 1-2 | -161567 |
| 7sealed | 91 | Yamazaki, Yuuki (1725) | Lost 0-2 | -151552 |
| 8sealed | 133 | Nishimura, Masateru (1586) | Lost 1-2 | -171535 |
| 9sealed | 127 | Yanagihara, Hiroki (1449) | Lost 0-2 | -201515 |
| average opponent: 1527record: 5-4 | new rating: 1515 | |||