Jeffery, Ben
Current rating: 1650
Record: 21-13-1
| Grand Prix Vancouver 2018 (UMA limited) | starting rating: 1661 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 103 | DiGiulio, Nicolas (1500) | Won 2-0 | +151676 |
| 2sealed | 129 | Darlington, Kenny (1659) | Won 2-1 | +181694 |
| 3sealed | 15 | Dreher, Gregory (1601) | Lost 0-2 | -201674 |
| 4sealed | 113 | Bakkala, Tony (1542) | Lost 0-2 | -201654 |
| 5sealed | 228 | Taylor, Clint (1700) | Won 2-0 | +181672 |
| 6sealed | 167 | Nguyen, Lee Hung (1432) | Lost 0-2 | -221650 |
| top | average opponent: 1572record: 3-3 | new rating: 1650 | ||
| Grand Prix Vancouver 2016 (OGW limited) | starting rating: 1529 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 552 | Okrainec, Scott (1503) | Won 2-0 | +181547 |
| 2sealed | 185 | Johnstone, Kevin (1518) | Won 2-0 | +171564 |
| 3sealed | 31 | Salahub, Nelson (1659) | Won 0-0 | +201584 |
| 4sealed | 9 | Ksandr, Jan (1817) | Lost 0-2 | -141570 |
| 5sealed | 322 | Herr, Scott (1542) | Won 2-0 | +181588 |
| 6sealed | 94 | Krone, Logan (1537) | Won 2-0 | +171605 |
| 7sealed | 107 | Godin, Philip (1571) | Won 2-0 | +171622 |
| 8sealed | 25 | Woods, Michael (1546) | Lost 1-2 | -191603 |
| 9sealed | 64 | Aldous, Cameron (1572) | Won 2-0 | +171620 |
| 10draft | 146 | Gilks, Greg (1694) | Draw 1-1 | +21622 |
| 11draft | 194 | Gray, Tyler (1564) | Lost 0-2 | -191603 |
| 13draft | 20 | Samson, Daniel (1887) | Won 2-1 | +231626 |
| 14draft | 48 | Song, Anthony (1604) | Won 2-1 | +171643 |
| 15draft | 121 | Brightbill, Kevin (1627) | Won 2-0 | +181661 |
| top | average opponent: 1617record: 10-3-1 | new rating: 1661 | ||
| Grand Prix Vancouver 2015 (modern) | starting rating: 1527 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 344 | Theologus, Jonathan (1488) | Won 2-0 | +181545 |
| 2modern | 83 | Ng, Michael (1490) | Won 2-1 | +171562 |
| 3modern | 177 | Cronshaw, Drew (1500) | Lost 0-2 | -191543 |
| 4modern | 311 | Gerlock, Alex (1708) | Lost 0-2 | -151528 |
| 5modern | 304 | Peake, Christopher (1499) | Lost 1-2 | -191509 |
| 6modern | 349 | Chambers, Adam (1635) | Won 2-0 | +201529 |
| top | average opponent: 1553record: 3-3 | new rating: 1529 | ||
| Grand Prix Vancouver 2012 (AVR limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 263 | Bojin, Nis (1500) | Won 2-0 | +181518 |
| 2sealed | 187 | Huang, Wayne (1500) | Won 2-0 | +181536 |
| 3sealed | 30 | MCGEE, MIKHAIL (1537) | Won 2-0 | +181554 |
| 4sealed | 107 | Lalague, Marc (1901) | Won 2-1 | +241578 |
| 5sealed | 48 | Lee, Mon (1744) | Lost 0-2 | -151563 |
| 6sealed | 103 | Woodward, Jonathan (1653) | Lost 0-2 | -171546 |
| 7sealed | 161 | Rozendal, James (1533) | Won 2-0 | +181564 |
| 8sealed | 107 | Schwarz, Micheal (1543) | Lost 0-2 | -181546 |
| 9sealed | 89 | Lewis, Mike (1522) | Lost 0-2 | -191527 |
| top | average opponent: 1604record: 5-4 | new rating: 1527 | ||