Ko, Warren
Current rating: 1463
Record: 3-5
| Grand Prix Oakland 2004 (DST limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 73 | Cote, Jesse (1464) | Lost 0-2 | -191481 |
| 2sealed | 151 | Johnson, David (1492) | Lost 0-2 | -171464 |
| 3sealed | 180 | Dobbin, Jack (1454) | Lost 0-2 | -191445 |
| 4sealed | 190 | Edwards, David (1448) | Won 2-0 | +181463 |
| 5sealed | 156 | Drew, Edward (1464) | Won 2-1 | +181481 |
| 6sealed | 123 | Nix, Robert (1464) | Lost 1-2 | -181463 |
| 7sealed | 108 | Gimbel, Thomas (1463) | Lost 0-2 | -181445 |
| 8sealed | 89 | Luo, Vincent (1446) | Won 2-0 | +181463 |
| average opponent: 1462record: 3-5 | new rating: 1463 | |||