Machado, Marco Antonio
Current rating: 1434
Record: 0-0 (GP) / 8-12-1 (professional)
| 1998 World Championship (mixed) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1draft | 8 | Geertsen, Svend (1626) | Lost 0-0 | -161484 |
| 2draft | 80 | Weng, Chen Yu (1482) | Lost 0-0 | -181466 |
| 3draft | 96 | Karaszewski, Pawel (1467) | Lost 0-0 | -181448 |
| 4draft | 20 | Hernandez, Marc [FRA] (1522) | Lost 0-0 | -161432 |
| 5draft | 61 | Chapela, Gustavo (1500) | Lost 0-0 | -171415 |
| 6draft | 5 | Marais, Ruaan (1411) | Won 0-0 | +181433 |
| 7draft | 73 | Sy, Teddy (1430) | Won 0-0 | +181451 |
| 8standard | 89 | Tsang, Terry (1415) | Won 0-0 | +171468 |
| 9standard | 72 | Sanchez Albert, Rodrigo (1464) | Won 0-0 | +181486 |
| 10standard | 68 | Suver, Max (1485) | Lost 0-0 | -181468 |
| 11standard | 73 | Kroger, Peer (1537) | Lost 0-0 | -171451 |
| 12standard | 81 | Glodt, Romain (1466) | Draw 0-0 | 01451 |
| 13standard | 83 | Peleg, Uri (1446) | Lost 0-0 | -181433 |
| 14standard | 89 | Wills, Scott (1415) | Lost 0-0 | -181415 |
| 15block | 93 | Sequeira, Rui (1399) | Lost 0-0 | -181397 |
| 16block | 94 | Kunzler, Matthias (1398) | Won 0-0 | +181415 |
| 17block | 90 | Bui, Truc (1397) | Won 0-0 | +171432 |
| 18block | 82 | Wolf, Andrew (1518) | Lost 0-0 | -161416 |
| 19block | 85 | Sanchez Albert, Rodrigo (1408) | Won 0-0 | +181434 |
| 20block | 79 | Rafael, Joaquin (1417) | Won 0-0 | +181452 |
| 21block | 73 | Maier, Gero (1450) | Lost 0-0 | -181434 |
| average opponent: 1460record: 8-12-1 | new rating: 1434 | |||