Da Costa, Joao Goncalves
Current rating: 1428
Record: 0-0 (GP) / 0-4 (professional)
| Pro Tour Los Angeles 1998 (Tempest block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 169 | Furukawa, Spencer (1500) | Lost 0-0 | -181482 |
| 2block | 130 | Chan, Feming (1482) | Lost 0-0 | -181464 |
| 3block | 171 | Buck, Leandro (1464) | Lost 0-0 | -181446 |
| 5block | 152 | Wilcox, Scott (1428) | Lost 0-0 | -181428 |
| average opponent: 1469record: 0-4 | new rating: 1428 | |||