Burton, Onassis
Current rating: 1496
Record: 15-16-2
| Grand Prix Baltimore 2012 (DKA standard) | starting rating: 1517 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 235 | Mecca, Eric (1500) | Won 2-1 | +171534 |
| 2standard | 81 | Gildea, Robert (1490) | Won 2-1 | +171551 |
| 3standard | 219 | Chance, Karl D (1520) | Lost 0-2 | -181533 |
| 4standard | 347 | Potts, Will (1518) | Draw 1-1 | 01533 |
| 5standard | 370 | Carpenter, Stephen W (1501) | Lost 1-2 | -191514 |
| 6standard | 486 | Howell, Damon (1529) | Lost 0-2 | -181496 |
| top | average opponent: 1510record: 2-3-1 | new rating: 1496 | ||
| Grand Prix Pittsburgh 2011 (M12 standard) | starting rating: 1517 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 61 | Woodruff, Danny (1500) | Won 2-1 | +171534 |
| 2standard | 327 | Montgomery, Dan (1518) | Won 2-1 | +181552 |
| 3standard | 194 | League, Charles (1482) | Won 2-0 | +171569 |
| 4standard | 81 | Jacob, Michael (1798) | Lost 0-2 | -141555 |
| 5standard | 310 | Winn, Tyler (1654) | Lost 0-2 | -161539 |
| 6standard | 305 | Soi, Vivek (1493) | Lost 1-2 | -191520 |
| 7standard | 355 | Rizzo, John (1407) | Won 2-1 | +161536 |
| 8standard | 255 | Henkes, Ben (1473) | Lost 1-2 | -191517 |
| top | average opponent: 1541record: 4-4 | new rating: 1517 | ||
| Grand Prix Richmond 2006 (GPT limited) | starting rating: 1452 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 89 | Stambaugh, Trent (1471) | Won 2-1 | +191471 |
| 2sealed | 130 | Dixon, Robert (1538) | Won 2-1 | +191490 |
| 3sealed | 73 | Garnelis, Kyle (1573) | Lost 1-2 | -161474 |
| 4sealed | 111 | Sadin, Steven (1636) | Won 2-1 | +201494 |
| 5sealed | 48 | Arab, Justin (1536) | Draw 1-1 | +11495 |
| 6sealed | 80 | Dial, Joey (1513) | Won 2-0 | +191514 |
| 7sealed | 46 | Ferneyhough, Michael (1497) | Won 2-0 | +171531 |
| 8sealed | 29 | Gromko, Radoslaw (1715) | Lost 1-2 | -141517 |
| top | average opponent: 1560record: 5-2-1 | new rating: 1517 | ||
| Grand Prix New Jersey 2004 (Mirrodin block) | starting rating: 1467 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 158 | Baruiran, Thomas (1500) | Won 2-1 | +181485 |
| 2block | 159 | May-Krumins, Zintis (1516) | Lost 0-2 | -171468 |
| 3block | 235 | Meeks, Patrick (1500) | Won 2-0 | +191487 |
| 4block | 164 | Siu, Brian (1450) | Lost 0-2 | -191468 |
| 5block | 325 | Phillips, Brian M (1607) | Lost 0-2 | -161452 |
| top | average opponent: 1515record: 2-3 | new rating: 1452 | ||
| Grand Prix Philadelphia 2002 (ONS rochester) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 137 | Race, Allan (1472) | Lost 0-2 | -181482 |
| 2sealed | 196 | Jones, Stephen N. (1482) | Won 2-1 | +181500 |
| 3sealed | 208 | Halter, James (1662) | Won 2-0 | +201520 |
| 4sealed | 154 | Hlavaty, Jose (1519) | Lost 0-2 | -181502 |
| 5sealed | 148 | Lewis, Matt (1549) | Lost 1-2 | -171485 |
| 6sealed | 155 | Harris, William (1463) | Lost 1-2 | -181467 |
| top | average opponent: 1525record: 2-4 | new rating: 1467 | ||