Yamada, Masato1566
Current rating: 1477
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1493 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 388 | Noritake, Hiroto (1394) | Won 2-0 | +171510 |
| 2sealed | 445 | Saito, Naruto (1400) | Won 2-1 | +161526 |
| 3sealed | 297 | Saito, Daichi (1594) | Lost 1-2 | -171509 |
| 4sealed | 344 | Makino, Hiroyuki (1546) | Lost 1-2 | -171492 |
| 5sealed | 536 | Wu, Yu-Ta (1471) | Won 2-0 | +171509 |
| 6sealed | 693 | Omori, Ken'ichirou (1809) | Lost 0-2 | -131496 |
| 7sealed | 611 | Kawamura, Naoki (1404) | Lost 0-2 | -191477 |
| top | average opponent: 1517record: 3-4 | new rating: 1477 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1448 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 96 | Kobayashi, Yuuki 0719 (1486) | Won 2-1 | +191467 |
| 3sealed | 120 | Porten, Andreas (1344) | Lost 0-2 | -201447 |
| 4sealed | 364 | Kawaguchi, Kyouhei (1787) | Won 2-0 | +241471 |
| 5sealed | 108 | Sakai, Toshinori (1597) | Won 2-1 | +201491 |
| 6sealed | 57 | Chiba, Shouhei (1438) | Lost 0-2 | -191472 |
| 7sealed | 108 | Shiraishi, Ryou (1672) | Won 2-1 | +221494 |
| 8sealed | 116 | Nakamura, Masato2133 (1612) | Won 2-0 | +201514 |
| 9sealed | 100 | Mizuno, Fumihiro (1524) | Won 2-1 | +181532 |
| 10draft | 44 | Kikutani, Kou (1688) | Lost 1-2 | -151517 |
| 11draft | 66 | Yamada, Yasushi (1624) | Lost 0-2 | -161501 |
| 13draft | 65 | Muranaka, Hiroya (1608) | Lost 1-2 | -161485 |
| 14draft | 53 | Yamamoto, Kouhei2453 (1688) | Won 2-0 | +211506 |
| 15draft | 147 | Baba, Yasunori (1784) | Lost 0-2 | -131493 |
| top | average opponent: 1604record: 7-6 | new rating: 1493 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 75 | Tsuchida, Takashi (1500) | Won 2-1 | +181518 |
| 2sealed | 122 | Ohta, Yusuke (1539) | Lost 1-2 | -181500 |
| 3sealed | 407 | Kokura, Hironori (1504) | Lost 0-2 | -181482 |
| 4sealed | 463 | Ookawa, Takumi (1509) | Lost 0-2 | -171465 |
| 5sealed | 407 | Serizawa, Hiroki (1435) | Won 2-1 | +171482 |
| 6sealed | 340 | Yatsu, Tomoki (1467) | Won 2-0 | +181500 |
| 7sealed | 242 | Shimoguchi, Motofumi (1498) | Lost 0-2 | -181482 |
| 8sealed | 219 | Kamiya, Asato (1484) | Lost 0-2 | -181464 |
| 9sealed | 187 | Kodama, Kentaro (1592) | Lost 0-2 | -161448 |
| top | average opponent: 1503record: 3-6 | new rating: 1448 | ||