Lundgren, Guilherme
Current rating: 1646
| Grand Prix Sao Paulo 2018 (modern) | starting rating: 1680 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 4 | Carrara, Leonardo (1482) | Lost 0-2 | -211659 |
| 2modern | 410 | Lau Silva, Diego (1483) | Won 2-0 | +141673 |
| 3modern | 288 | Souza, Bruno Cesar (1500) | Lost 1-2 | -211652 |
| 4modern | 445 | Levandovski, Jose (1479) | Won 2-0 | +151667 |
| 5modern | 444 | Behs Dos Reis, Alberto (1501) | Lost 1-2 | -211646 |
| top | average opponent: 1489record: 2-3 | new rating: 1646 | ||
| Grand Prix Sao Paulo 2017 (modern) | starting rating: 1480 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 124 | Heylmann, Henrique (1467) | Won 2-1 | +181498 |
| 2modern | 110 | Casagrande Dal Bello, Lucas (1518) | Won 2-1 | +181516 |
| 3modern | 186 | Vejar, Fernando (1393) | Won 2-0 | +161532 |
| 4modern | 98 | Gatica, Alejandro (1585) | Won 2-1 | +191551 |
| 5modern | 31 | Lira Moreira, Andre (1571) | Won 2-0 | +181569 |
| 6modern | 14 | Hugbert, Henrique (1597) | Won 2-0 | +191588 |
| 7modern | 3 | Ferreira Diniz, Guilherme (1617) | Won 2-0 | +181606 |
| 8modern | 1 | Damo da Rosa, Paulo Vitor (2249) | Won 2-1 | +291635 |
| 9modern | 2 | Saporito, Thiago (2207) | Won 2-0 | +271662 |
| 10modern | 1 | Ramos Modesto, Danilo (1917) | Lost 1-2 | -131649 |
| 11modern | 7 | dos Santos Vieira, Eduardo (2008) | Lost 1-2 | -121637 |
| 12modern | 19 | Lemos Mota, Matheus (1669) | Won 2-0 | +191656 |
| 13modern | 6 | Porto, Murilo Malta (1702) | Won 2-1 | +181674 |
| 14modern | 4 | Nunez, Fabian (1767) | Lost 1-2 | -161658 |
| 15modern | 6 | Perez, Walter (1883) | Won 2-1 | +221680 |
| top | average opponent: 1743record: 12-3 | new rating: 1680 | ||
| Grand Prix Porto Alegre 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 247 | Schaidhauer, Diego Dias (1500) | Won 2-0 | +181518 |
| 2modern | 131 | Tomazelli, Rodrigo (1518) | Lost 0-2 | -181500 |
| 3modern | 241 | Gray Murray, Bruce (1508) | Lost 0-2 | -181482 |
| 4modern | 270 | Nazareno, Jose (1435) | Won 2-1 | +171499 |
| 5modern | 218 | Pages, Ignacio A (1487) | Won 2-1 | +181517 |
| 6modern | 202 | Moreira De Almeida, Diego Nonato (1503) | Lost 1-2 | -181499 |
| 7modern | 208 | Valle, Ricardo J (1468) | Lost 0-2 | -191480 |
| top | average opponent: 1488record: 3-4 | new rating: 1480 | ||