O'Neil, Michael
Current rating: 1530
Record: 28-29-1
| Grand Prix New Jersey 2020 (THB limited) | starting rating: 1566 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 317 | Claudel, Slater (1666) | Lost 0-2 | -161550 |
| 4sealed | 275 | Colon, Everett (1524) | Won 2-0 | +171567 |
| 5sealed | 185 | Geoghegan, Tom (1537) | Lost 0-2 | -181549 |
| 6sealed | 355 | Kiyonaga, Adam (1491) | Lost 1-2 | -191530 |
| top | average opponent: 1554record: 1-3 | new rating: 1530 | ||
| Grand Prix Washington DC 2019 (MH1 limited) | starting rating: 1593 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 8 | Cailloux, Jacob (1623) | Won 2-0 | +191612 |
| 4sealed | 121 | Boyd, Dylan (1751) | Won 2-1 | +201632 |
| 5sealed | 26 | Bova, Justin (1606) | Won 2-0 | +181650 |
| 6sealed | 22 | Pearlman, Steven (1584) | Won 2-1 | +161666 |
| 7sealed | 1 | Rosum, Jonathan (2036) | Lost 1-2 | -111655 |
| 8sealed | 48 | Lee, Robert 724 (1873) | Lost 1-2 | -141641 |
| 9sealed | 74 | Spencer, Michael (1679) | Lost 1-2 | -171624 |
| 10draft | 100 | Khare, Anand (1788) | Lost 1-2 | -161608 |
| 12draft | 89 | Friedman, Ben (2028) | Lost 1-2 | -101598 |
| 13draft | 21 | Handy, Carmen (1695) | Lost 0-2 | -171581 |
| 14draft | 21 | Strong, Tom (1727) | Lost 0-2 | -151566 |
| top | average opponent: 1763record: 4-7 | new rating: 1566 | ||
| Grand Prix New Jersey 2019 (RNA limited) | starting rating: 1563 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 314 | Freeman, Wilson (1581) | Won 2-0 | +181581 |
| 3sealed | 172 | Baraniecki, Michael (1848) | Won 2-1 | +231604 |
| 4sealed | 41 | Yurchick, Adam (1727) | Lost 0-2 | -161588 |
| 5sealed | 275 | Chen, Gregory (1696) | Lost 1-2 | -161572 |
| 6sealed | 228 | Kurth, Lloyd (1740) | Lost 1-2 | -151557 |
| 7sealed | 368 | Lentz, Connor (1580) | Won 2-1 | +191576 |
| 8sealed | 247 | Aleksandravicius, John (1546) | Won 2-1 | +171593 |
| top | average opponent: 1674record: 4-3 | new rating: 1593 | ||
| Grand Prix New Jersey 2018 (GRN standard) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 48 | Lam, Liquan (1651) | Won 2-0 | +211523 |
| 2standard | 234 | Pham, Hoang Ha (1536) | Won 2-0 | +181541 |
| 3standard | 82 | Lerch, Kyle (1614) | Lost 0-2 | -171524 |
| 4standard | 267 | Beaudrie, David (1457) | Draw 1-1 | -11523 |
| 5standard | 290 | Ha, Chris (1755) | Won 2-1 | +221545 |
| 6standard | 185 | Bautista, Gino (1490) | Lost 0-2 | -191526 |
| 7standard | 285 | Santana, Oscar (1517) | Won 2-1 | +181544 |
| 8standard | 198 | Carlton, Liam (1584) | Won 2-0 | +191563 |
| top | average opponent: 1576record: 5-2-1 | new rating: 1563 | ||
| Grand Prix Montreal 2018 (GRN limited) | starting rating: 1505 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 272 | Gilbert, Alex (1500) | Lost 1-2 | -191486 |
| 2sealed | 370 | Bedard, Mathieu (1346) | Lost 1-2 | -201466 |
| 3sealed | 517 | MacDonald, Ian (1463) | Won 2-1 | +181484 |
| 4sealed | 383 | Banman, Devon (1485) | Won 2-1 | +181502 |
| 5sealed | 317 | Demers, Alexis (1535) | Won 2-1 | +181520 |
| 6sealed | 170 | Dodson, Ted (1514) | Lost 0-2 | -181502 |
| 7sealed | 275 | Cameron, Shaun (1472) | Won 2-0 | +181520 |
| 8sealed | 184 | Pelletier Deslauriers, Kevin (1535) | Lost 0-2 | -181502 |
| top | average opponent: 1481record: 4-4 | new rating: 1502 | ||
| Grand Prix Providence 2018 (M19 standard) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 38 | Laufer, Max (1492) | Lost 0-2 | -181446 |
| 2standard | 205 | Bailey, Matthew (1327) | Lost 0-2 | -201426 |
| 3standard | 306 | Strasser, Eric (1465) | Won 2-0 | +191445 |
| 4standard | 297 | Jordan, Paul (1755) | Won 2-0 | +231468 |
| 5standard | 238 | Santos, Josh (1475) | Lost 1-2 | -181450 |
| 6standard | 261 | Leonard, Jeremy (1483) | Won 2-1 | +191469 |
| 7standard | 186 | Leighton, Joshua (1462) | Won 2-1 | +181487 |
| 8standard | 136 | Pereira, Matt (1478) | Won 2-1 | +181505 |
| top | average opponent: 1492record: 5-3 | new rating: 1505 | ||
| Grand Prix Atlantic City 2015 (DTK limited) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 91 | Jeh, Andy (1500) | Won 2-1 | +181501 |
| 2sealed | 222 | Hupp, Renee (1334) | Lost 1-2 | -211480 |
| 3sealed | 378 | Petrock, Brandon (1299) | Lost 0-2 | -211459 |
| 4sealed | 563 | Stevenson, Scott (1477) | Won 2-1 | +181477 |
| 5sealed | 407 | Natale, Toby (1510) | Won 2-0 | +191496 |
| 6sealed | 392 | Ingram, Peter (1778) | Lost 1-2 | -131483 |
| 7sealed | 366 | Wilkerson, Joseph (1420) | Lost 0-2 | -191464 |
| top | average opponent: 1474record: 3-4 | new rating: 1464 | ||
| Grand Prix Ottawa 2014 (KTK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 274 | Zwanenburg, Jeremy (1500) | Won 2-0 | +181518 |
| 2sealed | 73 | Martineau, Robert (1556) | Lost 0-2 | -171501 |
| 3sealed | 493 | Beraud, Sophie (1500) | Won 2-0 | +181519 |
| 4sealed | 374 | Kosyak, Nick (1520) | Lost 1-2 | -181501 |
| 5sealed | 309 | Hemsley, Matt (1503) | Lost 1-2 | -181483 |
| top | average opponent: 1516record: 2-3 | new rating: 1483 | ||