Yaguchi, Hiroaki
Current rating: 1589
Record: 6-4-1 (GP) / 4-4 (professional)
| Pro Tour Kobe 2004 (Mirrodin block) | starting rating: 1571 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 64 | Lebedowicz, Osyp (1944) | Lost 1-2 | -121559 |
| 2block | 64 | Jensen, William (1723) | Won 2-0 | +211580 |
| 3block | 54 | Romao, Carlos (1842) | Won 2-0 | +231603 |
| 4block | 17 | Cirigliano, Matteo (1580) | Lost 0-2 | -181585 |
| 5block | 56 | Thoren, Jens (1837) | Lost 0-2 | -141571 |
| 6block | 63 | Guevin, Peter (1621) | Lost 1-2 | -171554 |
| 7block | 92 | Magalhaes, Hugo (1456) | Won 2-1 | +161570 |
| 8block | 82 | Saunders, Nathan (1611) | Won 2-1 | +191589 |
| average opponent: 1702record: 4-4 | new rating: 1589 | |||
| Grand Prix Okayama 2004 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4extended | 17 | Terasawa, Kazuya (1804) | Won 2-1 | +231523 |
| 5extended | 1 | Ueno, Kazuki (1749) | Lost 1-2 | -141509 |
| 6extended | 38 | Taniguchi, Tomoya (1675) | Won 2-0 | +211530 |
| 7extended | 20 | Matsumoto, Taiki (1580) | Won 2-0 | +191549 |
| 8extended | 6 | Ueta, Hiroki (1600) | Draw 1-1 | +11550 |
| 9extended | 13 | Douyama, Tsuyoshi (1838) | Won 2-0 | +231573 |
| 10extended | 20 | Mori, Katsuhiro (1916) | Lost 0-2 | -121561 |
| 11extended | 27 | Kai, Tsubasa (1538) | Won 2-0 | +181579 |
| 12extended | 2 | Shiki, Kazumasa (1740) | Lost 1-2 | -151564 |
| 13extended | 5 | Ibamoto, Masami (1743) | Lost 0-2 | -151549 |
| 14extended | 14 | Nagaoka, Takayuki (1766) | Won 2-0 | +221571 |
| average opponent: 1723record: 6-4-1 | new rating: 1571 | |||