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Vinson, David
Current rating: 1458

Grand Prix Las Vegas 2013 (MMA limited) starting rating: 1429
round table opponent (rating) result Δrating
1sealed 201 Henning, Tyson (1445) Won 2-0 +181447
2sealed 94 Mackey, James (1518) Won 2-0 +191466
3sealed 136 Stone, Jeffrey (1545) Won 2-1 +201486
4sealed 374 Li, Chen (1832) Lost 1-2 -121474
5sealed 317 Kaldis, Christos (1519) Lost 1-2 -171457
6sealed 195 Bayne, Robert (1520) Won 2-1 +191476
7sealed 161 Grim, Christian (1479) Lost 1-2 -181458
top average opponent: 1551record: 4-3 new rating: 1458

Grand Prix Atlanta 2011 (extended) starting rating: 1482
round table opponent (rating) result Δrating
1extended 12 Leventhal, Corey (1500) Lost 1-2 -181464
2extended 206 Vanover, Corey (1482) Lost 0-2 -181446
3extended 220 London, Michael (1464) Lost 0-2 -171429
top average opponent: 1482record: 0-3 new rating: 1429

Grand Prix Portland 2010 (M11 limited) starting rating: 1500
round table opponent (rating) result Δrating
1sealed 341 Williams, Benjamin (1500) Lost 0-2 -181482
2sealed 502 De Vore, Brandon (1483) Lost 1-2 -181464
3sealed 510 Henrikon, Hans (1464) Won 2-1 +181482
4sealed 419 Winfree, Charles P (1482) Won 2-1 +181500
5sealed 312 KURZER, JACOB (1487) Lost 1-2 -181482
top average opponent: 1483record: 2-3 new rating: 1482