O'Connor, Andrew
Current rating: 1742 (#4246)
Record: 30-15-1
| Grand Prix Miami 2015 (FRF standard) | starting rating: 1678 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 248 | Wessel, Nathan G (1518) | Won 2-1 | +151693 |
| 3standard | 186 | Anderson, Todd (1958) | Lost 0-2 | -131680 |
| 4standard | 376 | Ackerman, Max (1415) | Won 2-0 | +131693 |
| 5standard | 131 | Goldacker, Jonathan (1652) | Won 2-0 | +171710 |
| 6standard | 45 | Crescenti, Christopher (1809) | Won 2-0 | +201730 |
| 7standard | 24 | Brace, Donald (1535) | Lost 1-2 | -211709 |
| 8standard | 145 | Cox, Patrick (1756) | Won 2-0 | +181727 |
| 9standard | 82 | Quinn, Brian (1554) | Won 2-1 | +151742 |
| 10standard | 26 | Mark, Lee (1573) | Won 2-1 | +151757 |
| 11standard | 25 | Mackl, Valentin (1975) | Lost 0-2 | -141743 |
| 12standard | 50 | Orellana, Manuel (1787) | Won 2-1 | +191762 |
| 13standard | 21 | Eveland, James (1567) | Lost 0-2 | -221740 |
| 14standard | 35 | Carvalho, Pedro (1957) | Lost 0-2 | -141726 |
| 15standard | 55 | Ramirez, Fabian (1592) | Won 2-0 | +161742 |
| top | average opponent: 1689record: 9-5 | new rating: 1742 | ||
| Grand Prix Denver 2015 (KTK standard) | starting rating: 1646 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 517 | Nagel, Jonathan (1552) | Won 2-1 | +161662 |
| 2standard | 240 | Wells, Kyle (1517) | Lost 0-2 | -211641 |
| 3standard | 313 | Lorenz, Lucas (1492) | Won 2-1 | +161657 |
| 4standard | 314 | Faulk, Joe (1518) | Lost 1-2 | -211636 |
| 5standard | 340 | Hatett, Dakota (1499) | Won 2-0 | +161652 |
| 6standard | 227 | Jones, Brian (1519) | Won 2-0 | +151667 |
| 7standard | 268 | Blue, Vivienne (1567) | Won 2-1 | +161683 |
| 8standard | 166 | Mills, Ethan (1556) | Lost 0-2 | -201663 |
| 9standard | 169 | Noel, Evan (1494) | Won 2-1 | +151678 |
| top | average opponent: 1524record: 6-3 | new rating: 1678 | ||
| Grand Prix Orlando 2014 (KTK limited) | starting rating: 1557 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 101 | Ballard, Jessie (1543) | Won 2-1 | +181575 |
| 3sealed | 15 | O'Brien, Jimmy (1536) | Lost 1-2 | -191556 |
| 4sealed | 283 | Growney, Noah (1517) | Won 2-0 | +171573 |
| 5sealed | 184 | Gonzalez, Abner (1591) | Won 2-0 | +181591 |
| 6sealed | 58 | Albright, Alex (1391) | Won 2-1 | +151606 |
| 7sealed | 27 | Stark, Ben S (1898) | Lost 0-2 | -131593 |
| 8sealed | 65 | Parente, Tanner (1726) | Won 2-0 | +201613 |
| 9sealed | 74 | Jones, Greg (1562) | Won 2-0 | +181631 |
| 10draft | 57 | Hayes, Robert (1705) | Lost 0-2 | -171614 |
| 11draft | 15 | Arqueros, Enrique (1574) | Won 2-1 | +171631 |
| 12draft | 56 | Dinamarca, Jorge (1571) | Draw 1-1 | -11630 |
| 13draft | 70 | Chinlund, Kit (1570) | Won 2-1 | +171647 |
| 14draft | 20 | Fountain, Nathan (1604) | Won 2-0 | +171664 |
| 15draft | 11 | Tomelitsch, Patrick (1635) | Lost 1-2 | -181646 |
| top | average opponent: 1602record: 9-4-1 | new rating: 1646 | ||
| Grand Prix Miami 2013 (DGM standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 401 | Thornton, Bradley D (1462) | Won 2-1 | +171517 |
| 2standard | 159 | Hernandez, Frank (1593) | Lost 1-2 | -161501 |
| 3standard | 281 | Richardson, Michael (1466) | Won 2-1 | +171518 |
| 4standard | 313 | Lee, Alan 2 (1606) | Won 2-0 | +201538 |
| 5standard | 182 | Torres, Jose (1502) | Lost 0-2 | -191519 |
| 6standard | 362 | Marchica, Vincent (1500) | Lost 0-2 | -181501 |
| 7standard | 303 | Cortez, Ricky (1500) | Won 2-0 | +181519 |
| 8standard | 239 | Welch, Chris (1517) | Won 2-1 | +181537 |
| 9standard | 153 | Williams, Sam (1655) | Won 2-0 | +201557 |
| top | average opponent: 1534record: 6-3 | new rating: 1557 | ||