Giacomelli Mota, Marcelo
Current rating: 1531
Record: 11-9
| Grand Prix Sao Paulo 2018 (modern) | starting rating: 1558 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 370 | Goulart de Andrade, Andre Filipe (1500) | Lost 0-2 | -191539 |
| 2modern | 404 | Labrin, David (1302) | Lost 1-2 | -231516 |
| 3modern | 654 | Alvares Costa, Henrique (1466) | Won 2-0 | +171533 |
| 4modern | 569 | Colvara, Guilherme (1482) | Won 2-0 | +171550 |
| 5modern | 355 | Dos Santos, Pablo (1574) | Lost 0-2 | -171533 |
| 6modern | 499 | Fadel, Daniel (1482) | Won 2-1 | +171550 |
| 7modern | 290 | Cicconi, Fellipe (1487) | Lost 0-2 | -191531 |
| average opponent: 1470record: 3-4 | new rating: 1531 | |||
| Grand Prix Sao Paulo 2017 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 476 | De Lima, Uriel (1463) | Won 2-0 | +171517 |
| 2modern | 207 | Maffori, Cassiano (1518) | Lost 0-2 | -181499 |
| 3modern | 439 | Marques Alexandre, Andre David (1500) | Won 2-1 | +181517 |
| 4modern | 128 | Maciel, Julio (1564) | Lost 1-2 | -171500 |
| 5modern | 303 | Leon, Cristobal (1475) | Lost 0-2 | -181482 |
| 6modern | 379 | Longo Junior, Sergio (1431) | Won 2-0 | +171499 |
| 7modern | 370 | Lobato, Daniel (1499) | Won 2-0 | +181517 |
| 8modern | 207 | Warzynski, Vitor (1591) | Won 2-1 | +191536 |
| 9modern | 116 | Ferrari, Marcelo (1540) | Won 2-1 | +181554 |
| 10modern | 153 | Pereira Stigger, Eduardo (1559) | Won 2-0 | +181572 |
| 11modern | 103 | Estevam, Celso Ricardo (1656) | Lost 0-2 | -161556 |
| 12modern | 102 | Coqueiro, Raphael (1696) | Lost 0-2 | -161540 |
| 13modern | 134 | De Paula Gomes, Rodrigo (1496) | Won 2-0 | +181558 |
| average opponent: 1538record: 8-5 | new rating: 1558 | |||