Keffer, Jason
Current rating: 1604

Grand Prix Las Vegas 2018 (modern) (modern) starting rating: 1566
round table opponent (rating) result Δrating
1modern 787 Danilevics, Paul (1500) Lost 0-2 -191547
2modern 826 Bucknell, James (1593) Won 2-0 +191566
3modern 708 Kincey, Lauphiette (1667) Won 2-1 +201586
4modern 362 Fadel, Mohammed (1515) Won 2-0 +161602
5modern 441 Wells, Aedan (1519) Won 2-1 +171619
6modern 104 Strochinsky, Branden (1555) Lost 1-2 -191600
7modern 400 Chen, Gregory (1772) Lost 1-2 -151585
8modern 1331 Lysenko, Jesse (1641) Won 2-1 +191604
top average opponent: 1595record: 5-3 new rating: 1604

Grand Prix Seattle 2018 (standard) (RIX standard) starting rating: 1562
round table opponent (rating) result Δrating
3standard 30 Frye, Jeremy (1803) Lost 0-2 -131549
4standard 403 Reyes, Mason (1498) Won 2-1 +171566
5standard 296 Morillo, Joel (1409) Won 2-1 +151581
6standard 132 Chernov, Eugene (1381) Won 2-1 +141595
7standard 43 Horspool, Tyler (1839) Lost 0-2 -131582
8standard 153 Laxen, Zachary (1774) Won 2-0 +211603
9standard 1071 Wong, Gary (1786) Lost 0-2 -151588
10standard 1130 MacKay, Connor (1555) Won 2-1 +181606
11standard 1082 Tryggestad, David (1442) Lost 1-2 -211585
12standard 1105 DiMaio, JT (1545) Lost 0-2 -191566
top average opponent: 1603record: 5-5 new rating: 1566

Grand Prix Portland 2017 (XLN standard) starting rating: 1515
round table opponent (rating) result Δrating
1standard 41 Gadzinski, Grae (1524) Won 2-1 +181533
2standard 370 VanNood, Eric (1530) Lost 1-2 -181515
3standard 552 Clark, Jonathan (1550) Lost 0-2 -181497
4standard 679 Key, Aaron (1417) Won 2-1 +171514
5standard 415 Flores, Jeremy (1433) Lost 1-2 -201494
6standard 483 Birch, Ricky (1503) Won 2-0 +191513
7standard 377 Gagliardi, Joe (1662) Won 2-0 +201533
8standard 376 Poppenhagen, David (1523) Won 2-1 +181551
9standard 208 Smetana, Joe (1588) Won 2-1 +191570
10standard 189 Lee, Alan (1802) Won 2-0 +221592
11standard 131 Sharp, Grant (1677) Won 2-1 +191611
12standard 41 Kim, Austin (1697) Lost 1-2 -161595
13standard 123 Rosellini, Jason (1794) Lost 1-2 -141581
14standard 136 Bulanenko, Misha (1568) Lost 0-2 -191562
top average opponent: 1591record: 8-6 new rating: 1562

Grand Prix Denver 2016 (KLD standard) starting rating: 1555
round table opponent (rating) result Δrating
1standard 477 Pierce, Kristopher (1500) Won 2-0 +171572
2standard 85 Miyashiro, Travis (1488) Won 2-1 +161588
3standard 267 Eusebio, Jon (1620) Lost 1-2 -171571
4standard 371 Schmidt, David (1531) Lost 0-2 -191552
5standard 507 Hurtado, Patrick (1500) Lost 0-0 -191533
6standard 506 Lloyd, Aaron S (1494) Lost 1-2 -181515
top average opponent: 1522record: 2-4 new rating: 1515

Grand Prix Santiago 2016 (KLD standard) starting rating: 1605
round table opponent (rating) result Δrating
1standard 179 Manriquez, Nicolas (1539) Won 2-0 +171622
2standard 15 Parraga, Michael (1586) Lost 1-2 -191603
3standard 182 Jara, Jorge (1339) Lost 0-2 -221581
4standard 284 Jimenez Ruiz, Luis David (1420) Lost 1-2 -211560
5standard 330 Ressia, Facundo (1464) Won 2-1 +161576
6standard 268 Santamaria, Rodrigo (1401) Lost 1-2 -211555
top average opponent: 1458record: 2-4 new rating: 1555

Grand Prix Los Angeles 2016 (modern) starting rating: 1574
round table opponent (rating) result Δrating
2modern 228 Chavarria, George (1518) Won 2-0 +171591
3modern 263 Wallace, Chris (1384) Won 2-0 +151606
4modern 160 Ramos, Michael (1562) Lost 1-2 -191587
5modern 370 Ulanov, Denis (1818) Lost 0-2 -141573
6modern 354 Fugh, Jason (1521) Won 2-0 +171590
7modern 363 Jacob, Conor (1726) Lost 0-2 -151575
8modern 370 Mickelson, Ethan (1451) Won 2-0 +151590
9modern 339 Gonzales, Anthony (1464) Won 2-0 +161606
10modern 287 Poncelet, Kevin (1522) Won 2-0 +161622
11modern 188 Ruiz, Steven (1560) Won 2-1 +171639
12modern 85 Rockenbach, Bryan (1737) Lost 0-2 -161623
13modern 185 Solis, Carlos (1548) Lost 0-2 -191604
14modern 182 Casanova, Hector (1549) Lost 0-2 -191585
15modern 183 Manders, Mitchell (1723) Won 2-0 +201605
top average opponent: 1577record: 8-6 new rating: 1605

Grand Prix Las Vegas 2015 (2) (MM2 limited) starting rating: 1549
round table opponent (rating) result Δrating
3sealed 31 Schein, Jason (1846) Lost 0-2 -121537
4sealed 211 Nguyen, Minh D (1563) Won 2-0 +181555
5sealed 111 Chan, Eric (1526) Won 2-1 +181573
6sealed 37 Duong, Minh (1587) Won 2-1 +181591
7sealed 50 Margolis, Max (1621) Won 2-0 +181609
8sealed 11 Allen, John (1585) Lost 0-2 -181591
9sealed 42 Stella, Daniel (1669) Lost 1-2 -171574
top average opponent: 1628record: 4-3 new rating: 1574

Grand Prix Salt Lake City 2014 (M15 limited) starting rating: 1515
round table opponent (rating) result Δrating
3sealed 174 Benck, Zachary (1609) Won 2-0 +201535
4sealed 25 Scherr, Rion (1518) Won 2-0 +171552
5sealed 37 Sumner, Joseph (1627) Lost 0-2 -161536
6sealed 103 Latimer, James (1729) Won 2-1 +211557
7sealed 40 Milano, Anthony (1621) Won 2-0 +191576
8sealed 39 Wilson, Jacob (2073) Lost 1-2 -91567
9sealed 46 Fang, Percy (1611) Lost 0-2 -181549
top average opponent: 1684record: 4-3 new rating: 1549

Grand Prix Phoenix 2014 (BNG standard) starting rating: 1484
round table opponent (rating) result Δrating
1standard 26 Trentini, James F (1463) Won 2-0 +181502
2standard 306 Daniel, Anthony (1517) Won 2-0 +181520
3standard 161 Magday, Brian (1453) Lost 0-2 -191501
4standard 172 Daniel, Johnny (1541) Won 2-0 +191520
5standard 198 Zhu, Zo (1535) Won 2-0 +181538
6standard 98 Cua, Paolo (1501) Lost 1-2 -191519
7standard 266 Mcclain, Josh (1998) Won 2-1 +261545
8standard 154 Eisel, Nick (1853) Lost 0-2 -121533
9standard 184 Greeno, Marcus (1534) Lost 1-2 -181515
top average opponent: 1599record: 5-4 new rating: 1515

Grand Prix Sacramento 2014 (THS limited) starting rating: 1542
round table opponent (rating) result Δrating
1sealed 1014 Bush, Stephen (1435) Lost 0-2 -201522
2sealed 1275 Ewing, Isaac (1482) Lost 1-2 -191503
3sealed 1310 Yang, Gary (1465) Lost 0-2 -191484
top average opponent: 1461record: 0-3 new rating: 1484

Grand Prix Las Vegas 2013 (MMA limited) starting rating: 1521
round table opponent (rating) result Δrating
2sealed 1286 DePaola, Peter (1518) Lost 0-1 -181503
3sealed 1072 Gibas, Dan (1490) Won 2-1 +181521
4sealed 1218 Farkavec, Andrian (1585) Won 2-1 +191540
5sealed 965 Yarrow, Simon (1548) Draw 1-1 01540
6sealed 796 Martin, Brandon (1490) Won 2-1 +171557
7sealed 599 Leite Araujo, Joao Paulo (1701) Lost 0-2 -151542
top average opponent: 1555record: 3-2-1 new rating: 1542

Grand Prix Portland 2013 (modern) starting rating: 1500
round table opponent (rating) result Δrating
1modern 141 Hixon, Dennis (1503) Lost 0-2 -181482
2modern 264 Smith, Graham (1478) Won 2-0 +181500
3modern 305 Svilich, Erik (1500) Lost 0-2 -181482
4modern 384 Nelson, Christopher (1475) Won 2-0 +181500
5modern 320 Parks, Aaron (1434) Won 2-0 +171517
6modern 199 Li, Chen (1781) Lost 0-2 -141503
7modern 100 Krantz, Benjamin (1488) Won 2-1 +181521
8modern 198 Brown, Adam (1486) Won 2-0 +171538
9modern 17 Nguyen, Edward (1560) Lost 0-2 -171521
top average opponent: 1523record: 5-4 new rating: 1521