Greathouse, Robert
Current rating: 1731 (#4733)
Record: 28-16-4
| Grand Prix Las Vegas 2015 (2) (MM2 limited) | starting rating: 1613 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 356 | Livermore, Christopher (1500) | Won 2-0 | +161629 |
| 2sealed | 230 | Caporaletti, Jason (1518) | Won 2-1 | +161645 |
| 3sealed | 208 | Hjersman, Johannan (1539) | Won 2-1 | +161661 |
| 4sealed | 5 | Duggan, Matthew [USA] (1652) | Lost 0-2 | -181643 |
| 5sealed | 160 | Thomsen, Daniel (1568) | Won 2-1 | +161659 |
| 6sealed | 80 | Schuller, Mike (1697) | Won 2-1 | +191678 |
| 7sealed | 62 | Roberts, Kurtis (1700) | Won 2-0 | +191697 |
| 8sealed | 32 | Mercier, Maxime (1550) | Won 2-1 | +151712 |
| 9sealed | 24 | Eccleston, Javier (1669) | Won 2-0 | +171729 |
| 10draft | 88 | Mcclain, Josh (2004) | Won 2-1 | +231752 |
| 11draft | 61 | Carvalho, Pedro (1984) | Lost 1-2 | -141738 |
| 12draft | 72 | Normand, Jean-Francois (1637) | Won 2-1 | +161754 |
| 13draft | 112 | Iverson, William (1689) | Lost 1-2 | -191735 |
| 14draft | 5 | Veslany, Nick (1626) | Won 2-1 | +161751 |
| 15draft | 53 | Tilk, Jacob (1657) | Lost 1-2 | -201731 |
| top | average opponent: 1666record: 11-4 | new rating: 1731 | ||
| Grand Prix Philadelphia 2014 (BNG limited) | starting rating: 1448 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 2 | Huppman, Marc (1500) | Won 2-0 | +191467 |
| 2sealed | 111 | Fleming, Andrew (1633) | Draw 1-1 | +31470 |
| 3sealed | 345 | Suss, Jonathan (1516) | Won 2-0 | +191489 |
| 4sealed | 207 | Jennings, Dylan (1498) | Lost 1-2 | -181471 |
| 5sealed | 384 | Krause, Nicholas (1519) | Won 2-0 | +191490 |
| 6sealed | 241 | Crossey, Jim (1425) | Won 2-1 | +171507 |
| 7sealed | 147 | Glover, Lanae (1551) | Won 2-0 | +181525 |
| 8sealed | 86 | Weaver, James (1707) | Won 0-0 | +221547 |
| 9sealed | 50 | Ingraffia, Matthew (1639) | Won 2-1 | +191566 |
| 10draft | 25 | Davoudi, Mani (1787) | Lost 1-2 | -141552 |
| 11draft | 103 | Southwick, Joshua (1537) | Won 2-0 | +181570 |
| 12draft | 66 | Jones, Trent (1719) | Won 2-1 | +211591 |
| 13draft | 71 | Tan, Richard (1649) | Lost 1-2 | -171574 |
| 14draft | 82 | Kvartek, Chris (1727) | Won 2-0 | +211595 |
| 15draft | 70 | Waltzer, Silas (1617) | Won 2-1 | +181613 |
| top | average opponent: 1602record: 11-3-1 | new rating: 1613 | ||
| Grand Prix Atlantic City 2013 (RTR standard) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 187 | DellaVecchia, Robert J (1500) | Won 2-1 | +191482 |
| 2standard | 108 | Forrest, Brad (1577) | Lost 1-2 | -161466 |
| 3standard | 331 | Fung, John (1466) | Lost 1-2 | -181448 |
| 4standard | 573 | Tappen, Shawn (1482) | Won 2-1 | +181466 |
| 5standard | 501 | Ji, Carey (1498) | Won 2-1 | +191485 |
| 6standard | 312 | Roehr, George (1413) | Lost 1-2 | -191466 |
| 7standard | 416 | McMullen, Levon (1484) | Lost 0-2 | -181448 |
| top | average opponent: 1489record: 3-4 | new rating: 1448 | ||
| Grand Prix Philadelphia 2012 (RTR limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 272 | Bilz, Dylan J (1433) | Won 2-1 | +171517 |
| 2sealed | 74 | McKinley, John (1518) | Won 2-0 | +181535 |
| 3sealed | 27 | Novakowski, Noah (1426) | Lost 0-2 | -201515 |
| 4sealed | 247 | Growke, Vince (1483) | Lost 1-2 | -181497 |
| 5sealed | 304 | Villamizar, Daniel (1612) | Lost 0-2 | -161481 |
| 6sealed | 284 | Maines, Chris (1510) | Lost 0-2 | -181463 |
| top | average opponent: 1497record: 2-4 | new rating: 1463 | ||
| Grand Prix Baltimore 2012 (DKA standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 64 | Beach, Kevin (1500) | Won 1-0 | +181518 |
| 2standard | 186 | Hiles, Christopher (1560) | Draw 1-1 | +11519 |
| 3standard | 286 | Cagwin, Evan (1517) | Draw 1-1 | 01519 |
| 4standard | 507 | Bresett, John (1519) | Draw 1-1 | 01519 |
| 5standard | 388 | Rosenblum, James (1500) | Lost 0-2 | -191500 |
| top | average opponent: 1519record: 1-1-3 | new rating: 1500 | ||