Happel, Adam
Current rating: 1592
Record: 15-9-2
| Grand Prix Richmond 2014 (modern) | starting rating: 1568 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 92 | Charpia, Philip (1481) | Won 2-1 | +161584 |
| 2modern | 87 | Vinson, Terrence (1385) | Won 2-1 | +141598 |
| 3modern | 49 | Buchholz, Evan (1536) | Draw 1-1 | -11597 |
| 4modern | 166 | Hathaway, Raymond (1537) | Won 2-1 | +171614 |
| 5modern | 85 | Donovan, James (1585) | Lost 1-2 | -181596 |
| 6modern | 206 | Mathews, Sam (1533) | Lost 1-2 | -201576 |
| 7modern | 301 | Evans, Sean (1565) | Won 2-0 | +181594 |
| 8modern | 207 | Mills, Matthew (1534) | Won 2-0 | +171611 |
| 9modern | 143 | Nadolny, Brian (1576) | Lost 0-2 | -191592 |
| top | average opponent: 1526record: 5-3-1 | new rating: 1592 | ||
| Grand Prix Washington DC 2013 (legacy) | starting rating: 1537 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 213 | Harford, Clint (1500) | Won 2-1 | +181555 |
| 2legacy | 263 | Pearson, William (1499) | Won 2-1 | +171572 |
| 3legacy | 336 | Cooney, James (1496) | Draw 1-1 | -21570 |
| 4legacy | 372 | Burger, Erik (1476) | Won 2-1 | +161586 |
| 5legacy | 122 | Weisheit, Hunter (1524) | Won 2-0 | +171603 |
| 6legacy | 64 | Balakrishnan, Vasu (1680) | Lost 0-2 | -161587 |
| 7legacy | 176 | Perry, Matthew (1524) | Lost 0-2 | -191568 |
| top | average opponent: 1528record: 4-2-1 | new rating: 1568 | ||
| Grand Prix Charlotte 2013 (GTC limited) | starting rating: 1556 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 682 | Firebaugh, Jeremy (1500) | Lost 1-2 | -191537 |
| top | record: 0-1 | new rating: 1537 | ||
| Grand Prix Baltimore 2012 (DKA standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 197 | Johnson, Charles L (1500) | Won 2-0 | +181518 |
| 2standard | 328 | Marini, Cory (1518) | Won 2-0 | +181536 |
| 3standard | 80 | Sparks, Jon G (1518) | Won 2-1 | +181554 |
| 4standard | 134 | Garcia, Michael J (1501) | Won 2-0 | +171571 |
| 5standard | 39 | Gervato, Matthew (1541) | Lost 0-2 | -191552 |
| 6standard | 102 | Feingersh, Rachel (1597) | Won 2-1 | +191571 |
| 7standard | 123 | Mack, Shaun (1604) | Won 2-0 | +191590 |
| 8standard | 19 | Brown, Max (1716) | Lost 0-2 | -161574 |
| 9standard | 156 | Clinton, Ben R (1593) | Lost 1-2 | -181556 |
| top | average opponent: 1565record: 6-3 | new rating: 1556 | ||