Michiba, Ryouta
Current rating: 1667
Record: 13-4-3
| Grand Prix Matsuyama 2005 (BOK limited) | starting rating: 1642 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 81 | Sugiki, Takafumi (1668) | Lost 0-2 | -171625 |
| 3sealed | 143 | Itou, Takanori (1429) | Draw 1-1 | -41621 |
| 4sealed | 133 | Yasukawa, Kazuhide (1403) | Won 2-0 | +141635 |
| 5sealed | 96 | Suginaka, Takaaki (1469) | Won 2-1 | +151650 |
| 6sealed | 61 | Abe, Ryou (1644) | Won 2-1 | +181668 |
| 7sealed | 39 | Takeda, Hiroki (1721) | Lost 0-2 | -171651 |
| 8sealed | 63 | Higashi, Tetsutaro (1510) | Won 2-0 | +161667 |
| average opponent: 1549record: 4-2-1 | new rating: 1667 | |||
| Grand Prix Nagoya 2004 (5DN standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 80 | Shindou, Takehiro (1497) | Draw 1-1 | 01500 |
| 4standard | 119 | Adachi, Takeshi (1534) | Won 2-1 | +191519 |
| 5standard | 62 | Itou, Shuuhei (1634) | Won 2-0 | +201539 |
| 6standard | 30 | Kageyama, Tarou (1630) | Lost 1-2 | -171522 |
| 7standard | 85 | Tanaka, Kei (1568) | Won 2-0 | +191541 |
| 8standard | 48 | Kashima, Akihiro (1743) | Lost 1-2 | -141527 |
| 9standard | 94 | Kurashima, Kazuki (1557) | Won 2-0 | +181545 |
| 10standard | 54 | Sakuma, Toshimitsu (1642) | Draw 1-1 | +21547 |
| 11standard | 50 | Yamabe, Tadayoshi (1543) | Won 2-1 | +181565 |
| 12standard | 9 | Nakatani, Haruki (1645) | Won 2-1 | +191584 |
| 13standard | 10 | Katayama, Takahiro (1659) | Won 2-0 | +201604 |
| 14standard | 15 | Nakajima, Tomoya (1686) | Won 2-0 | +191623 |
| 15standard | 17 | Aizawa, Keiji (1671) | Won 2-0 | +191642 |
| average opponent: 1616record: 9-2-2 | new rating: 1642 | |||