Vieira Bueno, Gustavo
Current rating: 1585
| Grand Prix Buenos Aires 2015 (DTK standard) | starting rating: 1572 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 111 | Cattoni, Lucas (1535) | Lost 0-2 | -191553 |
| 4standard | 95 | Iesari, Exequiel (1467) | Won 2-0 | +171570 |
| 5standard | 74 | Carreno, Pablo (1537) | Won 2-1 | +171587 |
| 6standard | 66 | Parma, Julian (1557) | Won 2-1 | +181605 |
| 7standard | 20 | Bastard, Juan Pablo (1568) | Lost 0-2 | -191586 |
| 8standard | 70 | Latriglia, Juan Tupac (1529) | Won 2-1 | +171603 |
| 9standard | 48 | Ormazabal, Nicolas (1580) | Lost 0-2 | -181585 |
| top | average opponent: 1539record: 4-3 | new rating: 1585 | ||
| Grand Prix Sao Paulo 2015 (DTK standard) | starting rating: 1520 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 64 | Fujarra Abou Hala, Ralph (1504) | Lost 0-2 | -181502 |
| 2standard | 530 | Calazans, Bruno (1482) | Lost 1-2 | -181484 |
| 3standard | 636 | Penaforte, Andre (1464) | Won 2-0 | +171501 |
| 4standard | 502 | Braga, Daniel (1482) | Won 2-1 | +181519 |
| 5standard | 418 | Stampone Junior, Roberto (1505) | Won 2-1 | +181537 |
| 6standard | 348 | Carvalho de Medeiros, (1518) | Won 2-0 | +171554 |
| 7standard | 185 | Couto, Luciana (1536) | Won 2-1 | +181572 |
| 8standard | 94 | Alan Jones A B, Franci (1555) | Lost 0-2 | -181554 |
| 9standard | 135 | Eduardo, Carlos (1572) | Won 2-0 | +181572 |
| top | average opponent: 1513record: 6-3 | new rating: 1572 | ||
| Grand Prix Rio de Janeiro 2013 (GTC standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 36 | Sanabio, Sergio (1644) | Won 2-0 | +211521 |
| 2standard | 85 | Gaete Quezada, Daniel (1518) | Lost 1-2 | -181503 |
| 3standard | 144 | Douglas, Tiago (1500) | Won 2-1 | +181521 |
| 4standard | 149 | Elias, Fernando (1518) | Won 2-0 | +171538 |
| 5standard | 104 | Rafael Pinato, Joao (1542) | Lost 0-2 | -171521 |
| 6standard | 151 | Cortez, Daniel (1516) | Won 2-0 | +171538 |
| 7standard | 73 | Seidl, Fernando (1540) | Lost 1-2 | -181520 |
| top | average opponent: 1540record: 4-3 | new rating: 1520 | ||