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Deffenbaugh, Zachary
Current rating: 1499

Grand Prix Richmond 2014 (modern) starting rating: 1536
round table opponent (rating) result Δrating
1modern 1394 Dupree, Brandon (1500) Lost 1-2 -191517
2modern 1465 Quackenbush, Kevin (1483) Lost 1-2 -181499
top average opponent: 1492record: 0-2 new rating: 1499

Grand Prix Detroit 2013 (modern) starting rating: 1499
round table opponent (rating) result Δrating
1modern 238 Stewart, Alexander (1420) Lost 1-2 -191480
2modern 445 Lane, John (1481) Won 0-0 +181498
3modern 352 Roidt, Joseph P (1500) Won 2-0 +181516
4modern 466 Leon Valencia, Francisco (1678) Won 2-1 +211537
5modern 301 Coffman, Ray (1535) Won 2-1 +181555
6modern 70 Duffield, Ryan (1494) Lost 0-2 -191536
top average opponent: 1518record: 4-2 new rating: 1536

Grand Prix Indianapolis 2008 (SHM limited) starting rating: 1500
round table opponent (rating) result Δrating
1sealed 111 Hannum, Eric (1500) Lost 0-2 -181482
2sealed 383 Claus, Ben (1483) Won 2-1 +181500
3sealed 383 Parrott, Daniel W (1500) Won 2-0 +181518
4sealed 303 Bielick, Scott (1506) Lost 0-2 -181500
5sealed 291 Smith, Andrew (1483) Won 2-1 +171517
6sealed 180 Lien, Craig (1518) Lost 1-2 -181499
top average opponent: 1498record: 3-3 new rating: 1499