Kon, Weiyuan
Current rating: 1539
Record: 0-0 (GP) / 4-2-1 (professional)
| Pro Tour Los Angeles 1999 (USG rochester) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1rochester | 82 | Benson, Gordon (1577) | Won 0-0 | +191519 |
| 2rochester | 105 | Cintra, Osmin Jose (1518) | Lost 1-2 | -181501 |
| 3rochester | 96 | Jensen, William (1510) | Won 2-0 | +191520 |
| 4rochester | 136 | Maher, Bob (1560) | Lost 0-2 | -181502 |
| 5rochester | 110 | Means, Jason (1484) | Draw 1-1 | 01502 |
| 6rochester | 114 | Grant, David (1486) | Won 0-0 | +181520 |
| 7rochester | 49 | Smrek, Juraj (1599) | Won 0-0 | +191539 |
| average opponent: 1533record: 4-2-1 | new rating: 1539 | |||