Costa, Victor
Current rating: 1422
Record: 12-19
| Grand Prix Niagara Falls 2019 (legacy) | starting rating: 1409 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 252 | Zalewski, Shawn (1549) | Lost 0-2 | -151394 |
| 2legacy | 288 | Butler-Kurth, Jasper (1482) | Won 2-0 | +201414 |
| 3legacy | 287 | Hebert, Laurent (1452) | Lost 0-2 | -181396 |
| 4legacy | 365 | Scacca, Ryan (1480) | Lost 1-2 | -161380 |
| 5legacy | 393 | Greenzweig, Trenton (1538) | Lost 1-2 | -151365 |
| 6legacy | 365 | Beach, James (1451) | Won 2-0 | +191384 |
| 7legacy | 284 | Parsley, Travis (1413) | Won 2-1 | +191403 |
| 8legacy | 230 | Ostrander, Liam (1486) | Won 2-0 | +191422 |
| top | average opponent: 1482record: 4-4 | new rating: 1422 | ||
| Grand Prix New York 2016 (SOI standard) | starting rating: 1389 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 83 | DeLa Pena, Jefferson (1507) | Won 2-0 | +201409 |
| 2standard | 207 | Rodriguez, Luis (1595) | Won 2-1 | +221431 |
| 3standard | 262 | Pastore, Kellen (1554) | Won 2-1 | +201451 |
| 4standard | 81 | Lugiano, Chris (1545) | Won 2-0 | +201471 |
| 5standard | 51 | Cohen, Mike (1643) | Lost 0-2 | -151456 |
| 6standard | 132 | Eapen, Roshen (1554) | Lost 0-2 | -161440 |
| 7standard | 202 | Murdoch, Sean (1666) | Lost 0-2 | -141426 |
| 8standard | 517 | Gubin, Bobby (1520) | Lost 0-2 | -171409 |
| top | average opponent: 1573record: 4-4 | new rating: 1409 | ||
| Grand Prix Atlantic City 2015 (DTK limited) | starting rating: 1430 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 178 | Selya, Aaron (1500) | Lost 0-2 | -171413 |
| 2sealed | 470 | Marasco, Aaron (1554) | Lost 1-2 | -151398 |
| 3sealed | 696 | Musngi, Kirk (1464) | Won 2-1 | +191417 |
| 4sealed | 648 | Hu, Dennis (1482) | Lost 1-2 | -171400 |
| 5sealed | 618 | Sokol, Mason (1715) | Won 2-0 | +231423 |
| 6sealed | 491 | Snyder, Derek (1478) | Lost 1-2 | -171406 |
| 7sealed | 406 | Cooney, James (1448) | Lost 0-2 | -171389 |
| top | average opponent: 1520record: 2-5 | new rating: 1389 | ||
| Grand Prix New Jersey 2014 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 39 | Albino, Christopher (1611) | Lost 0-2 | -161484 |
| 2legacy | 533 | Wilson, Aaryn (1481) | Lost 1-2 | -181466 |
| 3legacy | 591 | Colgan, Michael (1455) | Lost 0-2 | -181448 |
| 4legacy | 606 | Wright, William H (1446) | Lost 0-2 | -181430 |
| 5legacy | 550 | Mayte, Matthew (1428) | Won 2-0 | +181448 |
| 6legacy | 473 | Rochwerger, Nicolas (1451) | Lost 0-2 | -181430 |
| 7legacy | 382 | Armstrong, Jirhon (1426) | Won 2-1 | +181448 |
| 8legacy | 293 | Powers, John (1444) | Lost 0-2 | -181430 |
| top | average opponent: 1468record: 2-6 | new rating: 1430 | ||