Choi, Won Suk
Current rating: 1577
Record: 7-6-1 (GP) / 9-9 (professional)
| 2004 World Championship (mixed) | starting rating: 1520 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 127 | Kozachuk, Artem (1565) | Won 2-1 | +191539 |
| 2standard | 5 | Godinez Estrada, Gerardo (1677) | Won 2-0 | +211560 |
| 3standard | 35 | Ruel, Olivier (1994) | Lost 0-2 | -111549 |
| 4standard | 52 | Willis, Paul (1580) | Won 2-0 | +191568 |
| 5standard | 29 | Washington, Thomas (1513) | Won 2-1 | +171585 |
| 6standard | 14 | Hoaen, Rich (1891) | Won 2-1 | +231608 |
| 7draft | 31 | Villarraga Ossa, Junes Abdul (1575) | Won 2-0 | +181626 |
| 8draft | 113 | Nassif, Gabriel (2037) | Lost 0-2 | -111615 |
| 9draft | 126 | Fabiano, Gerard (1961) | Won 2-0 | +241639 |
| 10draft | 100 | Finkel, Jon (1932) | Won 2-0 | +231662 |
| 11draft | 50 | Tan, Ruo Ji Steven (1760) | Won 2-0 | +201682 |
| 12draft | 131 | Nuijten, Julien (1773) | Lost 1-2 | -171665 |
| 13block | 8 | Lo Moro, Raffaele (1894) | Lost 1-2 | -141651 |
| 14block | 17 | Siron, Geoffrey (1817) | Lost 1-2 | -151636 |
| 15block | 21 | Fujita, Tsuyoshi (1871) | Lost 0-2 | -131623 |
| 16block | 39 | Jedlicka, Stefan (1884) | Lost 0-2 | -141609 |
| 17block | 43 | Harding, Conor (1565) | Lost 1-2 | -191590 |
| 18block | 50 | Ibamoto, Masami (1856) | Lost 1-2 | -131577 |
| top | average opponent: 1786record: 9-9 | new rating: 1577 | ||
| Grand Prix Los Angeles 2002 (ONS rochester) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 100 | Raasch, Scott (1517) | Won 2-0 | +191502 |
| 2sealed | 20 | Fallon, Chris (1586) | Won 2-0 | +201522 |
| 3sealed | 20 | Curran, Brandon (1518) | Won 2-1 | +171539 |
| 4sealed | 42 | Sun, Allen (1533) | Lost 0-2 | -181521 |
| 5sealed | 37 | Lossett, Joe (1588) | Lost 0-2 | -161505 |
| 6sealed | 84 | To, David (1520) | Won 2-0 | +181523 |
| 7sealed | 58 | Wagner, Bob (1448) | Won 2-0 | +161539 |
| 8sealed | 45 | Krasnauskas, Eric (1479) | Lost 1-2 | -191520 |
| top | average opponent: 1524record: 5-3 | new rating: 1520 | ||
| Grand Prix Las Vegas 2001 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 40 | Mills, Jesse (1599) | Lost 0-2 | -161484 |
| 2extended | 131 | Ward, KC (1482) | Won 2-0 | +181502 |
| 3extended | 137 | Gutierrez, Daniel (1500) | Lost 0-1 | -181484 |
| 4extended | 168 | Hahn, Andrew (1482) | Lost 0-2 | -181466 |
| 5extended | 176 | Specht, Larry (1450) | Won 2-0 | +171483 |
| 6extended | 134 | Dietz, Ken (1482) | Draw 1-1 | 01483 |
| top | average opponent: 1499record: 2-3-1 | new rating: 1483 | ||