Mamczyc Haro, Leandro
Current rating: 1551
Record: 12-9
| Grand Prix Rio de Janeiro 2001 (PLS limited) | starting rating: 1552 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 4 | Balbino Moura, Rogerio (1554) | Lost 0-2 | -181534 |
| 5sealed | 48 | Andrade, james (1538) | Lost 0-2 | -181516 |
| 6sealed | 63 | Venancio, Nano (1535) | Won 2-1 | +191535 |
| 7sealed | 48 | Pessini, Henrique Oliveira (1503) | Won 0-0 | +171552 |
| 8draft | 27 | Lin, Thompson Chan Hsien (1539) | Lost 0-2 | -181534 |
| 9draft | 29 | Fonseca, Marcos Braga (1535) | Lost 1-2 | -181516 |
| 10draft | 31 | Lehmann, David Nicolau (1532) | Won 2-0 | +181534 |
| 11draft | 29 | Carisimo, Oscar (1548) | Won 2-0 | +191553 |
| 12draft | 23 | Casatti, Vagner William (1505) | Won 2-1 | +171570 |
| 13draft | 16 | Leite Araujo, Joao Paulo (1539) | Lost 1-2 | -191551 |
| average opponent: 1533record: 5-5 | new rating: 1551 | |||
| Grand Prix Buenos Aires 2000 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 58 | Tome, Daniel (1518) | Lost 1-2 | -181482 |
| 3extended | 90 | Bogomolny, German (1500) | Won 2-0 | +191501 |
| 4extended | 73 | ADAL, MANUEL ABOU (1517) | Won 2-1 | +181519 |
| 5extended | 37 | Farjat, Lucas (1535) | Won 2-0 | +181537 |
| 6extended | 33 | Atencio, Elio (1553) | Won 2-0 | +191556 |
| 7extended | 20 | Svaldi, Guilherme (1552) | ID | 01556 |
| 8extended | 19 | Carisimo, Oscar (1570) | Won 2-0 | +181574 |
| 9extended | 10 | Hino, Celso Mitsuo (1536) | Lost 0-2 | -191555 |
| 10extended | 18 | Rafael, Miguel (1519) | Lost 1-2 | -191536 |
| 11extended | 24 | Michelena, Gabriel (1495) | Won 2-0 | +181554 |
| 12extended | 17 | Tejo, Rafael (1541) | Won 2-1 | +171571 |
| 13extended | 13 | Petrelli, Damian (1510) | Lost 1-2 | -191552 |
| average opponent: 1529record: 7-4-1 | new rating: 1552 | |||