Yoo, Sang-oh
Current rating: 1511
Record: 4-3 (GP) / 8-10 (professional)
| 2002 World Championship (mixed) | starting rating: 1520 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 49 | Stern, Jon (1690) | Lost 1-2 | -151505 |
| 2standard | 77 | Scholtz, Lourens (1579) | Lost 0-2 | -161489 |
| 3standard | 106 | Chavez Licona, Juan Francisc (1476) | Won 2-0 | +171506 |
| 4standard | 85 | O'Connor, Kevin J (1677) | Won 2-1 | +221528 |
| 5standard | 59 | Gabrenja, Matias (1711) | Lost 0-2 | -151513 |
| 6standard | 95 | Lau, Terry (1745) | Lost 1-2 | -141499 |
| 7draft | 91 | Possamai, Rodrigo (1474) | Won 2-1 | +181517 |
| 8draft | 78 | Limpadanai, Arvi (1505) | Won 2-0 | +171534 |
| 9draft | 64 | Johansen, Thomas (1591) | Won 2-0 | +191553 |
| 10draft | 53 | Jensen, David (1609) | Lost 1-2 | -171536 |
| 11draft | 75 | Kim, Ji-Hoon (1533) | Lost 1-2 | -181518 |
| 12draft | 70 | Hoon, Kelvin (1710) | Won 2-0 | +221540 |
| 13block | 68 | Smith, Alex (1547) | Lost 0-2 | -181522 |
| 14block | 81 | Motta, Pedro (1595) | Lost 1-2 | -171505 |
| 15block | 89 | Tang, Kai Cheong (1561) | Lost 1-2 | -171488 |
| 16block | 97 | Hoon, Kelvin (1665) | Won 2-0 | +211509 |
| 17block | 87 | Guevin, Peter (1652) | Lost 0-2 | -151494 |
| 18block | 84 | Rodamilans, Enric (1447) | Won 2-1 | +171511 |
| average opponent: 1598record: 8-10 | new rating: 1511 | |||
| Grand Prix Fukuoka 2002 (TOR limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 11 | Otsuka, Yuji (1500) | Won 2-0 | +181518 |
| 2sealed | 97 | Takahara, Yasuaki (1518) | Won 2-0 | +181536 |
| 3sealed | 30 | Yagi, Akira (1579) | Won 2-0 | +191555 |
| 4sealed | 32 | Ishihara, Jun (1544) | Lost 0-2 | -181537 |
| 5sealed | 47 | Kubouchi, Naoki (1605) | Won 2-0 | +191556 |
| 6sealed | 37 | Koura, Masahiro (1615) | Lost 0-2 | -171539 |
| 7sealed | 55 | Nakamura, Kiyonari (1504) | Lost 0-2 | -191520 |
| average opponent: 1552record: 4-3 | new rating: 1520 | |||