Yamanaka, Kazuki
Current rating: 1560
| Grand Prix Kobe 2014 (modern) | starting rating: 1518 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 233 | Yomura, Shuta (1523) | Won 2-0 | +181536 |
| 3modern | 194 | Omi, Tatsuya (1530) | Lost 0-2 | -181518 |
| 4modern | 305 | Satou, Rin (1784) | Lost 1-2 | -141504 |
| 5modern | 398 | Koretomo, Yuji (1476) | Won 2-0 | +181522 |
| 6modern | 331 | Okamoto, Yuta (1465) | Won 2-0 | +171539 |
| 7modern | 142 | Shimizu, Yousuke (1663) | Won 2-1 | +201559 |
| 8modern | 103 | Akada, Yasunori (1600) | Lost 1-2 | -171542 |
| 9modern | 210 | Ozaki, Kei (1540) | Won 2-0 | +181560 |
| top | average opponent: 1573record: 5-3 | new rating: 1560 | ||
| Grand Prix Kobe 2012 (DKA limited) | starting rating: 1492 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 219 | Iimura, Yuta (1500) | Won 2-1 | +181510 |
| 2sealed | 118 | Yano, Kunihiro (1570) | Lost 0-2 | -171493 |
| 3sealed | 282 | Sugiyama, Yuya (1642) | Lost 1-2 | -161477 |
| 4sealed | 431 | Wattanasirichaigoon, Niti (1482) | Won 2-1 | +191496 |
| 5sealed | 338 | Nakano, Fumiki (1650) | Won 2-1 | +201516 |
| 6sealed | 179 | Obayashi, Naoki (Hiroshima) (1515) | Lost 0-2 | -181498 |
| 7sealed | 300 | Takashima, Mao (1470) | Won 2-1 | +181516 |
| 8sealed | 200 | Goto, Daiki (1493) | Won 2-1 | +171533 |
| 9sealed | 121 | Suzuki, Fumito (1660) | Lost 0-2 | -151518 |
| top | average opponent: 1553record: 5-4 | new rating: 1518 | ||
| Grand Prix Kobe 2008 (Lorwyn block) | starting rating: 1510 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 181 | Ono, Ippei (1526) | Lost 1-2 | -181492 |
| 2block | 292 | Hori, Keisuke (1482) | Won 2-1 | +181510 |
| 3block | 147 | Machida, Junya (1499) | Lost 0-2 | -181492 |
| top | average opponent: 1502record: 1-2 | new rating: 1492 | ||
| Grand Prix Shizuoka 2008 (MOR standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4standard | 24 | Hosokawa, Yuya (1537) | Lost 1-2 | -171483 |
| 5standard | 149 | Sasaki, Yuuki (1538) | Lost 0-2 | -171466 |
| 6standard | 143 | Aridome, Tomohiro (1733) | Won 2-1 | +221488 |
| 7standard | 46 | Takeuchi, Hiroto (1490) | Won 2-1 | +181506 |
| 8standard | 148 | Kasahara, Yuuki (1525) | Won 2-0 | +191525 |
| 9standard | 63 | Takesue, Chikara (1680) | Lost 0-2 | -151510 |
| top | average opponent: 1584record: 3-3 | new rating: 1510 | ||