Andrews, Jonathan R
Current rating: 1516
| Grand Prix Philadelphia 2012 (RTR limited) | starting rating: 1545 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 687 | Leeper, Jason (1500) | Lost 0-0 | -191526 |
| 2sealed | 755 | Fay, Michael (1481) | Lost 0-2 | -191507 |
| 3sealed | 917 | Tam, Wai (1093) | Won 2-0 | +111518 |
| 4sealed | 896 | van Driel, Boaz (1522) | Won 2-0 | +181536 |
| 5sealed | 734 | Cahill, Christopher J (1416) | Lost 1-2 | -201516 |
| top | average opponent: 1402record: 2-3 | new rating: 1516 | ||
| Grand Prix Baltimore 2012 (DKA standard) | starting rating: 1589 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 412 | Brewer, Josh (1499) | Won 2-0 | +161605 |
| 3standard | 52 | Howard, Duncan (1518) | Lost 0-2 | -191586 |
| 4standard | 437 | Benson, Riley (1468) | Lost 1-2 | -201566 |
| 5standard | 495 | Van Dusen, David (1488) | Won 2-0 | +161582 |
| 6standard | 364 | Chodan, Ross (1596) | Won 2-0 | +181600 |
| 7standard | 168 | Aracich, Jim (1672) | Lost 1-2 | -161584 |
| 8standard | 276 | Rusczyk, Jonathan (1475) | Lost 0-2 | -201564 |
| 9standard | 252 | Pripstein, Ralph (1499) | Lost 1-2 | -191545 |
| top | average opponent: 1527record: 3-5 | new rating: 1545 | ||
| Grand Prix Washington DC 2010 (ROE standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 239 | Jafri, Ali (1448) | Won 2-0 | +171517 |
| 2standard | 18 | Gosselin, Christopher (1578) | Won 2-1 | +191536 |
| 3standard | 87 | Beebe, Berry (1537) | Won 2-0 | +181554 |
| 4standard | 88 | Chang, Morgan (1588) | Lost 0-2 | -171537 |
| 5standard | 175 | Ware, Carter (1536) | Won 2-0 | +181555 |
| 6standard | 74 | Taylor, Jonathan R (1555) | Won 2-1 | +181573 |
| 7standard | 42 | Malin, Antti (1895) | Lost 0-2 | -131560 |
| 8standard | 63 | Lybaert, Marijn (1902) | Won 2-1 | +241584 |
| 9standard | 82 | Carson, Doug (1573) | Won 2-1 | +181602 |
| 10standard | 62 | Taulbee, Brad (1750) | Lost 0-2 | -151587 |
| 11standard | 76 | Chaney, Matthew E (1582) | Lost 0-2 | -181569 |
| 12standard | 91 | Sinner, Denis (1750) | Won 2-1 | +211590 |
| 13standard | 87 | Reid, Kelly B (1557) | Won 2-1 | +181608 |
| 14standard | 59 | McGrath, Colin (1575) | Lost 1-2 | -191589 |
| top | average opponent: 1630record: 9-5 | new rating: 1589 | ||