Morikawa, Youhei
Current rating: 1462
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1427 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 703 | Komada, Katsuya (1588) | Won 2-0 | +211448 |
| 2sealed | 707 | Itakura, Toshiyuki (1518) | Lost 0-2 | -171431 |
| 3sealed | 921 | Hideaki, Enomoto (1500) | Won 2-1 | +191450 |
| 4sealed | 923 | Matsuyama, Satoshi (1632) | Lost 0-2 | -141436 |
| 5sealed | 974 | Ikumi, Syun (1449) | Lost 1-2 | -181418 |
| 6sealed | 932 | Yoshida, Takefumi (1399) | Won 2-1 | +171435 |
| 7sealed | 873 | Tamura, Ryo (1935) | Lost 0-2 | -91426 |
| 8sealed | 828 | Tanaka, Makoto (1308) | Won 2-0 | +161442 |
| 9sealed | 785 | Nozawa, Tomoki (1545) | Won 2-1 | +201462 |
| top | average opponent: 1541record: 5-4 | new rating: 1462 | ||
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1461 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 47 | Yamamoto, Kouhei (1567) | Lost 0-2 | -161445 |
| 5sealed | 138 | Kishimoto, Hiromichi (1431) | Lost 0-2 | -181427 |
| top | average opponent: 1499record: 0-2 | new rating: 1427 | ||
| Grand Prix Sendai 2010 (ROE standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4standard | 17 | Yukuhiro, Ken (1798) | Lost 0-2 | -131487 |
| 5standard | 123 | Nakagawa, Shinichi (1535) | Won 2-1 | +191506 |
| 6standard | 61 | Ootsuka, Koutarou (1992) | Lost 1-2 | -101496 |
| 7standard | 130 | Ishii, Arata (1559) | Won 2-1 | +201516 |
| 8standard | 125 | Orihara, Jun (1530) | Won 2-1 | +181534 |
| 9standard | 73 | Yamashita, Kouhei (1543) | Won 2-1 | +181552 |
| 10standard | 23 | Watanabe, Ryuji (1550) | Lost 0-2 | -181534 |
| 11standard | 55 | Asahara, Akira (1954) | Lost 0-2 | -111523 |
| 12standard | 58 | Sim, Chapman (1670) | Lost 0-2 | -151508 |
| 13standard | 58 | Marcik, Michal (1736) | Lost 0-2 | -141494 |
| 14standard | 29 | Hassaku, Jinpei (1640) | Lost 1-2 | -151479 |
| 15standard | 34 | Sakurai, Yuuta (1511) | Lost 1-2 | -181461 |
| top | average opponent: 1668record: 4-8 | new rating: 1461 | ||