Johnston, Vincent
Current rating: 1529
Record: 24-27-1
| Grand Prix Montreal 2014 (BNG limited) | starting rating: 1546 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 338 | Pringle, Shaun (1482) | Won 2-1 | +171563 |
| 2sealed | 284 | Ross-Latour, Jeremie (1721) | Lost 0-2 | -151548 |
| 3sealed | 353 | Godsoe, Keith (1498) | Lost 0-2 | -191529 |
| top | average opponent: 1567record: 1-2 | new rating: 1529 | ||
| Grand Prix Toronto 2012 (modern) | starting rating: 1487 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 40 | Turpin, Jacques (1486) | Won 2-1 | +181505 |
| 3modern | 83 | Cameron, Anthony (1536) | Won 2-0 | +181523 |
| 4modern | 37 | Maynard, Pascal (1833) | Won 2-0 | +241547 |
| 5modern | 13 | McWhaw, Andrew (1706) | Lost 0-2 | -151532 |
| 6modern | 137 | Makino, Bernie (1794) | Won 2-1 | +221554 |
| 7modern | 77 | Corvese, Harry (2081) | Won 2-1 | +271581 |
| 8modern | 46 | Taschner, Ian (1587) | Won 2-1 | +181599 |
| 9modern | 21 | Wilson, Jacob (2069) | Lost 0-2 | -101589 |
| 10modern | 33 | Wawrzenczyk, Michal (1554) | Lost 0-2 | -181571 |
| 11modern | 61 | Scott-Vargas, Luis (1904) | Lost 0-2 | -131558 |
| 12modern | 64 | Tietze, Maxwell (1868) | Lost 1-2 | -121546 |
| top | average opponent: 1765record: 6-5 | new rating: 1546 | ||
| Grand Prix Boston-Worcester 2012 (M13 limited) | starting rating: 1543 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 117 | Monroe, Chris J (1495) | Lost 0-2 | -191524 |
| 3sealed | 500 | Chabot, Craig (1486) | Lost 0-2 | -191505 |
| 4sealed | 693 | Martikke, Ross (1485) | Lost 0-2 | -181487 |
| top | average opponent: 1489record: 0-3 | new rating: 1487 | ||
| Grand Prix Montreal 2011 (M12 limited) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 148 | Fung, Kenny (1500) | Won 2-0 | +181503 |
| 2sealed | 43 | Brazeau, Mathieu (1517) | Lost 0-2 | -171486 |
| 3sealed | 114 | Pollard, Brent (1453) | Won 2-0 | +171503 |
| 4sealed | 149 | Desforges, Philippe (1518) | Won 2-0 | +181521 |
| 5sealed | 90 | Robillard, Kyle (1484) | Won 2-0 | +181539 |
| 6sealed | 42 | Wells, Venu (1568) | Won 2-1 | +181557 |
| 7sealed | 11 | Dettelis, Philip (1655) | Lost 1-2 | -161541 |
| 8sealed | 28 | Lebel, Maxime (1622) | Won 2-1 | +191560 |
| 9sealed | 50 | Robinson, Allen (1572) | Lost 0-2 | -171543 |
| top | average opponent: 1543record: 6-3 | new rating: 1543 | ||
| Grand Prix Providence 2011 (legacy) | starting rating: 1441 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 76 | McAdoo, Zachary A (1490) | Won 2-0 | +191460 |
| 2legacy | 65 | Greene, Brian (1423) | Won 2-1 | +181478 |
| 3legacy | 29 | Cano Garcia, Jaime (1430) | Won 2-0 | +171495 |
| 4legacy | 54 | McIelwain, Glenn (1668) | Lost 0-2 | -151480 |
| 5legacy | 90 | Sanguinetti, James (1633) | Won 2-1 | +211501 |
| 6legacy | 83 | Dombek, Jeremy (1561) | Lost 0-2 | -171484 |
| 7legacy | 115 | Campbell, Chris J (1544) | Won 2-0 | +191503 |
| 8legacy | 77 | Gottlieb, Justin (1516) | Lost 0-2 | -181485 |
| top | average opponent: 1533record: 5-3 | new rating: 1485 | ||
| Grand Prix Toronto 2010 (SOM limited) | starting rating: 1433 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 353 | Lusted, Mark (1500) | Won 2-1 | +191452 |
| 2sealed | 343 | Buscaino, Anthony (1609) | Won 2-1 | +211473 |
| 3sealed | 379 | Gareau, Philippe (1527) | Lost 1-2 | -171456 |
| 4sealed | 425 | Heal, Nicholas (1501) | Lost 1-2 | -171439 |
| 5sealed | 522 | Larking, James (1500) | Won 2-1 | +191458 |
| 6sealed | 438 | Kunkel, Jeremy (1543) | Lost 0-2 | -171441 |
| top | average opponent: 1530record: 3-3 | new rating: 1441 | ||
| Grand Prix Seattle 2009 (ARB standard) | starting rating: 1453 | |||
| round | table | opponent (rating) | result | Δrating |
| 4standard | 33 | Sadin, Steven (1577) | Lost 0-2 | -161437 |
| 5standard | 130 | Ruel, Olivier (1970) | Won 2-0 | +271464 |
| 6standard | 145 | Ellis, Kenneth (1567) | Lost 0-2 | -161448 |
| 7standard | 160 | Woodward, Jonathan (1631) | Lost 0-2 | -151433 |
| top | average opponent: 1686record: 1-3 | new rating: 1433 | ||
| Grand Prix Vancouver 2008 (extended) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 16 | Colby, David (1500) | Won 2-1 | +191465 |
| 2extended | 8 | Webber, Daniel J (1518) | Draw 1-1 | +11466 |
| 3extended | 66 | Nixon, Michael (1519) | Lost 1-2 | -171449 |
| 4extended | 128 | Sorensen, Robin G (1597) | Won 2-0 | +211470 |
| 5extended | 94 | Shwaikoski, Brian (1518) | Lost 0-2 | -171453 |
| top | average opponent: 1531record: 2-2-1 | new rating: 1453 | ||
| Grand Prix Columbus 2007 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 65 | Grollman, Joseph L (1500) | Lost 0-2 | -181482 |
| 2legacy | 283 | Pritchard, Trevor (1482) | Lost 1-2 | -181464 |
| 3legacy | 361 | Day, Christopher (1464) | Lost 0-2 | -181446 |
| top | average opponent: 1482record: 0-3 | new rating: 1446 | ||