Idesawa, Ryo
Current rating: 1551
Record: 11-9
| Grand Prix Shizuoka 2013 (THS standard) | starting rating: 1550 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 566 | Tsuno, Takahiro (1455) | Won 2-1 | +161566 |
| 2standard | 573 | Mitsuyasu, Hidetoshi (1617) | Lost 0-2 | -171549 |
| 3standard | 713 | Naka, Keiji (1507) | Won 2-1 | +171566 |
| 4standard | 707 | Hashimoto, Keisuke (1668) | Lost 0-2 | -161550 |
| 5standard | 721 | Suzuki, Shinya (1564) | Won 2-0 | +181568 |
| 6standard | 634 | Shiroza, Shinichiro (1604) | Lost 1-2 | -171551 |
| average opponent: 1569record: 3-3 | new rating: 1551 | |||
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1036 | Matsuzaki, Eiji (1500) | Won 2-0 | +181518 |
| 2sealed | 895 | Murase, Hiroshi (1804) | Lost 0-2 | -131505 |
| 3sealed | 1044 | Kokawa, Tsunao (1500) | Won 2-0 | +181523 |
| 4sealed | 943 | Murakami, Yamato (1520) | Won 2-0 | +181541 |
| 5sealed | 817 | Shimura, Ichirou (1818) | Won 2-1 | +231564 |
| 6sealed | 703 | Sasagawa, Tomohide (1684) | Lost 0-2 | -161548 |
| 7sealed | 850 | Ishiguro, Satoshi6674 (1523) | Won 2-1 | +181566 |
| 8sealed | 937 | Yamasita, Akinori (1496) | Won 2-1 | +161582 |
| 9sealed | 893 | Wang, Chih Ming (1637) | Won 2-1 | +191601 |
| 10sealed | 72 | Takeuchi, Ryota (1727) | Lost 1-2 | -151586 |
| 11sealed | 114 | Tanaka, Shingo (1533) | Lost 1-2 | -191567 |
| 12draft | 34 | Itou, Hayato (1560) | Won 2-1 | +181585 |
| 13draft | 58 | Takimura, Kazuyuki (1545) | Lost 0-2 | -191566 |
| 14draft | 62 | Kawashima, Hajime (1680) | Lost 1-2 | -161550 |
| average opponent: 1609record: 8-6 | new rating: 1550 | |||