Ishigami, Youhei
Current rating: 1550
Record: 13-10
| Grand Prix Chiba 2016 (legacy) | starting rating: 1558 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 568 | Nagano, Toshimitsu (1478) | Won 2-0 | +171575 |
| 2legacy | 266 | Oshikawa, Akira (1688) | Lost 1-2 | -161559 |
| 3legacy | 886 | Sogou, Yohei (1484) | Lost 1-2 | -201539 |
| 4legacy | 1088 | Mawatari, Kenta (1481) | Won 2-0 | +171556 |
| 5legacy | 575 | Perry, Tyler (1499) | Lost 1-2 | -191537 |
| 6legacy | 960 | Kiyohara, Yuji (1350) | Won 2-0 | +151552 |
| 7legacy | 774 | Kimura, Yasunori (1504) | Won 2-1 | +171569 |
| 8legacy | 590 | Maruyama, Muneharu (1522) | Lost 0-2 | -191550 |
| average opponent: 1501record: 4-4 | new rating: 1550 | |||
| Grand Prix Kyoto 2015 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 716 | Sano, Masahiko (1612) | Won 2-0 | +201520 |
| 2legacy | 697 | Kumon, Shun (1599) | Won 2-1 | +191539 |
| 3legacy | 644 | Nakatsuka, Tomoaki (1536) | Lost 0-2 | -181521 |
| 4legacy | 771 | Mita, Ryoichi (1543) | Won 2-1 | +191540 |
| 5legacy | 607 | Nanamori, Kouhei (1564) | Lost 0-2 | -181522 |
| 6legacy | 709 | Murakami, Akinori (1513) | Won 2-0 | +181540 |
| 7legacy | 636 | Nose, Kouta (1535) | Won 2-0 | +181558 |
| 8legacy | 624 | Yamakoshi, Nozomi (1526) | Won 2-1 | +171575 |
| 9legacy | 537 | Harada, Dampei (1602) | Won 2-1 | +191594 |
| 10legacy | 103 | Shiroza, Shinichiro (1637) | Lost 0-2 | -171577 |
| 11legacy | 81 | Taniguchi, Hiroaki (1736) | Lost 0-2 | -151562 |
| 12legacy | 98 | Umetani, Hideo (1563) | Lost 1-2 | -181544 |
| 13legacy | 102 | Liao, Winston (1566) | Lost 0-2 | -181526 |
| 14legacy | 101 | Tanimoto, Tatsuro (1323) | Won 2-1 | +141540 |
| 15legacy | 92 | Shigeta, Hajime (1529) | Won 2-1 | +181558 |
| average opponent: 1559record: 9-6 | new rating: 1558 | |||