LeJeune, Derek
Current rating: 1430
Record: 10-12-2 (GP) / 1-5 (professional)
| Grand Prix Houston 2018 (RIX limited) | starting rating: 1416 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 142 | Sisson, J. D. (1451) | Won 2-0 | +191435 |
| 2sealed | 189 | Musick, David (1549) | Won 2-1 | +201455 |
| 3sealed | 71 | Berni, Roberto (1704) | Won 2-0 | +221477 |
| 4sealed | 89 | Cornell, Jason (1667) | Lost 1-2 | -141463 |
| 5sealed | 94 | Toms, Jason (1513) | Lost 1-2 | -171446 |
| 6sealed | 165 | Wright, Matthew (1556) | Lost 1-2 | -161430 |
| top | average opponent: 1573record: 3-3 | new rating: 1430 | ||
| Grand Prix Las Vegas 2015 (1) (MM2 limited) | starting rating: 1450 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 77 | Manabat, Philip (1454) | Lost 0-2 | -181432 |
| 2sealed | 206 | Doxtader, Benito (1482) | Won 2-0 | +191451 |
| 3sealed | 192 | Milliron, Chris (1482) | Lost 0-2 | -181433 |
| 4sealed | 222 | Henderson, Robert (1481) | Lost 0-2 | -171416 |
| top | average opponent: 1475record: 1-3 | new rating: 1416 | ||
| Grand Prix Houston 2013 (DGM limited) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 14 | Nguyen, MinhQuan (1500) | Lost 0-2 | -171468 |
| 2sealed | 365 | Galisa, Matthew (1481) | Lost 1-2 | -181450 |
| top | average opponent: 1491record: 0-2 | new rating: 1450 | ||
| Pro Tour Valencia 2007 (extended) | starting rating: 1540 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 35 | Kaneko, Masami (1958) | Won 2-0 | +251565 |
| 2extended | 12 | Sibast, Rasmus (1865) | Lost 1-2 | -131552 |
| 3extended | 73 | Nolacea Lopez, Jose Luis (1527) | Lost 0-2 | -181534 |
| 4extended | 161 | Loi, Alessandro (1487) | Lost 0-2 | -191515 |
| 5extended | 187 | Coimbra, Andre (1949) | Lost 0-2 | -111504 |
| 6extended | 187 | Cuenca, Nicolas (1453) | Lost 1-2 | -191485 |
| top | average opponent: 1707record: 1-5 | new rating: 1485 | ||
| Grand Prix Austin 2004 (COK limited) | starting rating: 1518 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 43 | Penkauskas II, David (1518) | Lost 1-2 | -181500 |
| 3sealed | 118 | Schmitt, Daryl (1500) | Won 2-1 | +181518 |
| 4sealed | 87 | Wyman, Luke (1517) | Won 2-1 | +181536 |
| 5sealed | 61 | Musser, Michael (1730) | Lost 0-2 | -151521 |
| 6sealed | 92 | Sergeant, Geoff (1568) | Won 2-0 | +191540 |
| 7sealed | 70 | Billing, Ryan (1518) | Won 2-0 | +181558 |
| 8sealed | 49 | Conboy, James (1556) | Lost 1-2 | -181540 |
| top | average opponent: 1558record: 4-3 | new rating: 1540 | ||
| Grand Prix New Orleans 2003 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 69 | Kalna, Todd (1500) | Won 2-1 | +181518 |
| 2extended | 53 | Mazzara, Ashton (1517) | Draw 1-1 | 01518 |
| 3extended | 54 | Kinder, Jason (1500) | Won 2-1 | +181536 |
| 4extended | 64 | Lane, Joe (1536) | Draw 1-1 | 01536 |
| 5extended | 85 | Glaubius, Robert (1535) | Lost 0-2 | -181518 |
| top | average opponent: 1518record: 2-1-2 | new rating: 1518 | ||