Gray Murray, Bruce
Current rating: 1511
| Grand Prix Sao Paulo 2018 (modern) | starting rating: 1488 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 42 | Guimaraes Gurgel, Patrick Diego (1500) | Won 2-1 | +181506 |
| 3modern | 127 | Yano, Lucas (1435) | Won 2-1 | +171523 |
| 4modern | 14 | Guidotti, Ricardo (1536) | Won 2-0 | +181541 |
| 5modern | 16 | Burghardt Amaral, Caio Sergio (1668) | Lost 0-2 | -151526 |
| 6modern | 139 | Schuawb Silva, Yan Vinicius (1554) | Won 2-1 | +181544 |
| 7modern | 54 | Yuen, Man Chun (1575) | Lost 1-2 | -171527 |
| 8modern | 130 | Disconzi, Romolo (1676) | Lost 0-2 | -161511 |
| top | average opponent: 1563record: 4-3 | new rating: 1511 | ||
| Grand Prix Porto Alegre 2015 (modern) | starting rating: 1527 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 70 | Andre Manoel Silveira, (1518) | Lost 0-2 | -191508 |
| 3modern | 241 | Lundgren, Guilherme (1500) | Won 2-0 | +181526 |
| 4modern | 207 | Almeida, Danilo (1440) | Won 2-1 | +171543 |
| 5modern | 97 | Tomazelli, Rodrigo (1537) | Lost 1-2 | -181525 |
| 6modern | 217 | Iadicicco, Demian (1487) | Lost 0-2 | -191506 |
| 7modern | 197 | Cardoso Oliveira, Marcos Adriano (1498) | Lost 0-2 | -181488 |
| 8modern | 170 | Lixandrao, Murilo Luis (1540) | Won 2-0 | +191507 |
| 9modern | 133 | Lemos, Wendel (1485) | Lost 0-2 | -191488 |
| top | average opponent: 1501record: 3-5 | new rating: 1488 | ||
| Grand Prix Sao Paulo 2015 (DTK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 65 | Fonseca, Guilherme (1710) | Won 2-0 | +221522 |
| 4standard | 116 | Andrade da Silva, Luca (1519) | Lost 1-2 | -181504 |
| 5standard | 136 | De Barros, Ricardo (1614) | Lost 0-2 | -161488 |
| 6standard | 247 | Saraiva, Eduardo (1527) | Won 2-1 | +181506 |
| 7standard | 212 | Richard Kock, William (1555) | Lost 1-2 | -171489 |
| 8standard | 247 | Antonio Leite, Wadson (1486) | Won 2-0 | +181507 |
| 9standard | 137 | Guarienti De Oliveira, Bruno (1576) | Won 2-1 | +201527 |
| top | average opponent: 1570record: 4-3 | new rating: 1527 | ||