O'Connor, Daniel
Current rating: 1458
Record: 24-31
| Grand Prix Las Vegas 2019 (modern) (modern) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 253 | Dewey, Will (1533) | Won 2-1 | +201466 |
| 3modern | 348 | Orozco, Everardo (1535) | Lost 0-2 | -171449 |
| 4modern | 243 | Gomez-Lugo, Aaron (1606) | Won 2-1 | +211470 |
| 5modern | 351 | Eaton, Ryan (1614) | Lost 1-2 | -161454 |
| 6modern | 193 | Hixson, Jeremy (1526) | Won 2-1 | +201474 |
| 7modern | 241 | Smith, Matthew 6702 (1620) | Lost 1-2 | -161458 |
| top | average opponent: 1572record: 3-3 | new rating: 1458 | ||
| Grand Prix Denver 2019 (M20 standard) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 68 | Austria, Jay-R (1518) | Won 2-1 | +191482 |
| 3standard | 68 | Ashby, Richard (1466) | Lost 1-2 | -181464 |
| 4standard | 98 | Buda, Joseph (1330) | Won 2-0 | +151479 |
| 5standard | 89 | Vrhovec, Matic (1536) | Lost 0-2 | -171462 |
| 6standard | 138 | Mercier, Matthew (1545) | Lost 0-2 | -161446 |
| top | average opponent: 1479record: 2-3 | new rating: 1446 | ||
| Grand Prix Dallas-Fort Worth 2019 (modern) | starting rating: 1442 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 264 | Manshadi, Omid (1518) | Won 2-0 | +191461 |
| 3modern | 238 | Heine, Brian (1867) | Lost 0-2 | -111450 |
| 4modern | 270 | Yost, Austin (1749) | Lost 1-2 | -121438 |
| 5modern | 455 | Pineo, James (1467) | Won 2-0 | +181456 |
| 6modern | 247 | Medrano, Julian (1467) | Won 2-0 | +181474 |
| 7modern | 207 | Schlesinger, Gal (1863) | Lost 1-2 | -111463 |
| top | average opponent: 1655record: 3-3 | new rating: 1463 | ||
| Grand Prix Kansas City 2019 (WAR standard) | starting rating: 1429 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 197 | Mulcahy, Niall (1518) | Lost 1-2 | -171412 |
| 3standard | 258 | Kehe, Joshua (1500) | Won 2-0 | +201432 |
| 4standard | 131 | Jones, Thomas (1447) | Won 0-0 | +181450 |
| 5standard | 159 | Lutes, Tyler (1523) | Won 2-1 | +201470 |
| 6standard | 47 | Myers, Alex (1528) | Lost 0-2 | -171453 |
| 7standard | 85 | Darby, Wyatt (1883) | Lost 0-2 | -111442 |
| top | average opponent: 1566record: 3-3 | new rating: 1442 | ||
| Grand Prix Las Vegas 2018 (limited) (DOM limited) | starting rating: 1411 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 306 | Paulino, Davi (1557) | Lost 0-2 | -151396 |
| 4sealed | 1354 | Pederson-Linn, Glen (1483) | Won 2-1 | +191415 |
| 5sealed | 151 | Coleman, Harold (1533) | Won 2-1 | +201435 |
| 6sealed | 136 | Silver, Jeffrey (1689) | Won 2-1 | +231458 |
| 7sealed | 123 | Edelman, Charles (1770) | Lost 1-2 | -131445 |
| 8sealed | 99 | Loubov, Pavel (1525) | Lost 1-2 | -161429 |
| top | average opponent: 1593record: 3-3 | new rating: 1429 | ||
| Grand Prix Phoenix 2017 (XLN limited) | starting rating: 1432 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 78 | Roach, Michael (1500) | Won 2-0 | +201452 |
| 2sealed | 233 | Nguyen, Vincent (1532) | Won 2-1 | +191471 |
| 3sealed | 248 | Skarren, Frank (1979) | Lost 0-2 | -91462 |
| 4sealed | 253 | Johnson, Craig (1439) | Lost 0-2 | -191443 |
| 5sealed | 303 | Patterson, Alex (1484) | Lost 0-2 | -171426 |
| 6sealed | 405 | Jacobson, Jed (1584) | Lost 1-2 | -151411 |
| top | average opponent: 1586record: 2-4 | new rating: 1411 | ||
| Grand Prix Denver 2017 (HOU standard) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 197 | Waldorf, Adam (1472) | Lost 0-2 | -181463 |
| 2standard | 355 | Ricketts, Derek (1482) | Lost 0-2 | -171446 |
| 3standard | 507 | Holladay, Jacob (1468) | Lost 1-2 | -181428 |
| 4standard | 538 | Fishman, Kaden (1444) | Won 2-1 | +181446 |
| 5standard | 477 | Entrup, Rob (1683) | Lost 1-2 | -141432 |
| top | average opponent: 1510record: 1-4 | new rating: 1432 | ||
| Grand Prix Denver 2016 (KLD standard) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 205 | Rothenbaum, Kyle (1514) | Lost 0-2 | -171482 |
| 2standard | 553 | Vasquez, Alejandro (1478) | Lost 0-2 | -181464 |
| 3standard | 653 | Tidball, Lloyd (1498) | Won 2-1 | +181482 |
| 4standard | 555 | Nguyen, Peter (1474) | Won 2-0 | +181500 |
| 5standard | 369 | Pashby, Gregrey (1465) | Won 0-0 | +171517 |
| 6standard | 279 | Cole, Zac (1494) | Lost 1-2 | -181499 |
| 7standard | 449 | Rivera, Luis (1518) | Lost 1-2 | -181481 |
| top | average opponent: 1492record: 3-4 | new rating: 1481 | ||
| Grand Prix Albuquerque 2016 (SOI limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 360 | Zoller, Nolan (1545) | Won 2-0 | +191519 |
| 2sealed | 53 | Giron, Lucas (1481) | Won 2-0 | +171536 |
| 3sealed | 249 | Hertz, Shiloh (1487) | Won 2-0 | +171553 |
| 4sealed | 66 | Nonaka, Keenan (1624) | Lost 1-2 | -161537 |
| 5sealed | 258 | Black, James (1400) | Won 2-1 | +151552 |
| 6sealed | 71 | Wagner, Bob (1635) | Lost 1-2 | -161536 |
| 7sealed | 112 | Singdahlsen, Andrew (1547) | Lost 1-2 | -181518 |
| 8sealed | 212 | Kontoulis, Steve (1496) | Lost 1-2 | -191499 |
| top | average opponent: 1527record: 4-4 | new rating: 1499 | ||