Marcus, Heronimo
Current rating: 1516
| Grand Prix Kuala Lumpur 2006 (DIS limited) | starting rating: 1511 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 30 | Chua, David (1588) | Draw 1-1 | +21513 |
| 3sealed | 49 | Siew, Roy Kah Wai (1518) | Won 2-0 | +181531 |
| 4sealed | 55 | Kure, Bjarke Hvass (1563) | Lost 0-1 | -181513 |
| 5sealed | 80 | Yong, George (1520) | Won 2-0 | +191532 |
| 6sealed | 49 | Chang, Mark (1643) | Lost 0-2 | -161516 |
| top | average opponent: 1567record: 2-2-1 | new rating: 1516 | ||
| Grand Prix Kuala Lumpur 2002 (TOR limited) | starting rating: 1552 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 57 | Goh, Steven (1500) | Draw 1-1 | -11551 |
| 2sealed | 57 | Fernandes, Kenneth (1500) | Won 2-0 | +171568 |
| 3sealed | 39 | Teoh, Kah Yong (1518) | Lost 1-2 | -191549 |
| 4sealed | 74 | Yamada, Tsutomu (1547) | Lost 1-2 | -181531 |
| 5sealed | 93 | Ng, Chi Seong (1431) | Lost 0-2 | -201511 |
| top | average opponent: 1499record: 1-3-1 | new rating: 1511 | ||
| Grand Prix Kuala Lumpur 2000 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 122 | Diong, Hui Beng Alvin (1500) | Draw 0-0 | 01500 |
| 2extended | 73 | Ng, Richie (1500) | Won 0-0 | +181518 |
| 3extended | 45 | Low, Han Sen Mohan (1518) | Draw 0-0 | 01518 |
| 4extended | 78 | Itadani, Eisaku (1445) | Draw 0-0 | -11517 |
| 5extended | 93 | Ahamad Kamal, Ahmad Omar (1499) | Won 0-0 | +171534 |
| 6extended | 48 | Hwa, Ti Yung (1516) | Won 0-0 | +181552 |
| top | average opponent: 1496record: 3-0-3 | new rating: 1552 | ||