Iizuka, Tsuyoshi
Current rating: 1518
Record: 3-2
| Grand Prix Yokohama 2004 (COK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 215 | Kojima, Yoshimasa (1566) | Lost 1-2 | -171483 |
| 2sealed | 202 | Hayakawa, Idzumi (1412) | Won 2-0 | +171500 |
| 3sealed | 184 | Tomii, Tsubasa (1502) | Won 2-1 | +181518 |
| 4sealed | 105 | Kunugi, Ryou (1458) | Won 2-1 | +171535 |
| 5sealed | 82 | Iwakura, Tatsuro (1589) | Lost 1-2 | -171518 |
| average opponent: 1506record: 3-2 | new rating: 1518 | |||