Lee, Ji-Hyun
Current rating: 1645
Record: 11-4
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 286 | Matsumoto, Takashi (1473) | Won 2-0 | +181518 |
| 2sealed | 296 | Miyagai, Kyosuke (1476) | Won 2-0 | +171535 |
| 3sealed | 422 | Okada, Masakazu (1471) | Won 2-0 | +171552 |
| 4sealed | 195 | Wachi, Shinya (1714) | Won 2-1 | +211573 |
| 5sealed | 117 | Hiraoka, Shigenori (1459) | Lost 0-2 | -211552 |
| 6sealed | 174 | Kasuga, Ryosuke (1711) | Won 2-1 | +211573 |
| 7sealed | 140 | Nan, Tu (1840) | Lost 1-2 | -131560 |
| 8sealed | 130 | Onoda, Kenji (1628) | Won 2-1 | +191579 |
| 9sealed | 220 | Oh, Young Seok (1713) | Lost 1-2 | -151564 |
| 10draft | 169 | Iwasaki, Koichi (1570) | Won 2-0 | +181582 |
| 11draft | 137 | Kitamoto, Hiroki (1923) | Won 2-1 | +241606 |
| 12draft | 205 | Kuroiwa, Satoshi (1643) | Won 2-0 | +191625 |
| 13draft | 181 | Hayashi, Masataka (1482) | Won 2-0 | +151640 |
| 14draft | 63 | Ogino, Hiroki (1743) | Won 2-1 | +201660 |
| 15draft | 107 | Washimi, Kazuo (1812) | Lost 0-2 | -151645 |
| average opponent: 1644record: 11-4 | new rating: 1645 | |||