Jung, Seong-hoon
Current rating: 1486
Record: 5-6-4
| Grand Prix Yokohama 2003 (Onslaught block) | starting rating: 1504 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 37 | Kubota, Kenta (1500) | Draw 1-1 | 01504 |
| 2block | 228 | Kasahara, Yuuki (1500) | Draw 1-1 | 01504 |
| 3block | 322 | Okada, Kou (1580) | Lost 0-1 | -171487 |
| 4block | 362 | Masuno, Ryosuke (1482) | Won 2-1 | +181505 |
| 5block | 300 | Murayama, Terukazu (1525) | Draw 1-1 | +11506 |
| 6block | 263 | Takahashi, Masato (1482) | Won 1-0 | +171523 |
| 7block | 208 | Kamifuji, Kenichi (1471) | Lost 1-2 | -191504 |
| 8block | 236 | Omata, Yuuji (1480) | Lost 1-2 | -181486 |
| average opponent: 1502record: 2-3-3 | new rating: 1486 | |||
| Grand Prix Fukuoka 2002 (TOR limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 47 | Kurisu, Takashi (1656) | Lost 0-2 | -151485 |
| 2sealed | 117 | Egashira, Hiroyuki (1484) | Won 2-0 | +181503 |
| 3sealed | 129 | Kobayashi, Masanori (1600) | Lost 0-2 | -161487 |
| 4sealed | 172 | Ootsuka, Tomomi (1437) | Won 2-0 | +171504 |
| 5sealed | 106 | Haruzono, Takashi (1499) | Won 2-1 | +181522 |
| 6sealed | 105 | Wakisaka, Yuusuke (1558) | Lost 0-2 | -181504 |
| 7sealed | 96 | Umeda, Akira (1502) | Draw 1-1 | 01504 |
| average opponent: 1534record: 3-3-1 | new rating: 1504 | |||