Costa, Frank
Current rating: 1474
| Grand Prix Orlando 2012 (ISD standard) | starting rating: 1447 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 24 | Pham, Nhi (1500) | Won 2-1 | +191466 |
| 2standard | 202 | O'Connor, Michael K (1517) | Won 2-1 | +191485 |
| 3standard | 137 | Swanson, Craig (1518) | Won 2-1 | +181503 |
| 4standard | 128 | McGraw, Bryan (1623) | Lost 0-2 | -151488 |
| 5standard | 111 | Lukas, Andrew M (1490) | Lost 0-2 | -181470 |
| 6standard | 188 | Jackson, Steven A (1522) | Won 2-1 | +181488 |
| 7standard | 192 | Sevaux, Yoann (1592) | Lost 1-2 | -161472 |
| 8standard | 180 | Rehm, Benjamin (1518) | Won 2-1 | +191491 |
| 9standard | 172 | Bodell, Griffin (1527) | Lost 1-2 | -171474 |
| top | average opponent: 1534record: 5-4 | new rating: 1474 | ||
| Grand Prix Atlanta 2011 (extended) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 154 | Kamihara, Ken (1504) | Lost 1-2 | -171447 |
| 2extended | 164 | Blair, Molly (1397) | Lost 0-2 | -191428 |
| 3extended | 225 | Spann, Andrew (1464) | Won 2-1 | +181446 |
| 4extended | 220 | Ferry, Sergio (1526) | Lost 0-2 | -161430 |
| 5extended | 251 | Gilliam, Beth (1469) | Won 2-0 | +191449 |
| 6extended | 193 | Wright, Kenneth (1410) | Won 2-0 | +171466 |
| 7extended | 158 | Juarez, Chad (1406) | Lost 0-2 | -191447 |
| top | average opponent: 1454record: 3-4 | new rating: 1447 | ||
| Grand Prix Washington DC 2010 (ROE standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 603 | Morris, Mitchell C (1557) | Lost 0-2 | -171483 |
| 2standard | 946 | Soomai, Olaf (1482) | Lost 0-2 | -181465 |
| 3standard | 1029 | Bary, Cassie (1464) | Draw 1-1 | 01465 |
| 4standard | 1024 | Hall, Adam (1430) | Won 2-0 | +171482 |
| 5standard | 946 | Skrypov, Igor (1459) | Lost 0-2 | -181464 |
| top | average opponent: 1478record: 1-3-1 | new rating: 1464 | ||