Grabusky, Michael
Current rating: 1561
Record: 11-9
| Regional Championships Dallas 2023 (pioneer) | starting rating: 1538 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 208 | Mele, Nicholas (1703) | Won 2-0 | +211559 |
| 2pioneer | 156 | Denham, Jaron (1521) | Won 2-0 | +181577 |
| 3pioneer | 139 | Whiteman, Justin (1523) | Won 2-0 | +171594 |
| 4pioneer | 63 | Cohen, Benjamin (1537) | Lost 1-2 | -191575 |
| 5pioneer | 51 | Deratzou, Luke (1543) | Lost 0-2 | -191556 |
| 6pioneer | 126 | McMillan, Jackson (1479) | Won 2-0 | +171573 |
| 7pioneer | 109 | Oldenkamp, Jeremie (1543) | Won 2-1 | +171590 |
| 8pioneer | 89 | Belfatto, Michael (1853) | Lost 1-2 | -131577 |
| 9pioneer | 106 | Mascilak, Michael (1701) | Lost 0-2 | -161561 |
| average opponent: 1600record: 5-4 | new rating: 1561 | |||
| Regional Championships Atlanta 2022 (pioneer) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 1114 | Reed, Porter (1500) | Won 2-1 | +181518 |
| 2pioneer | 1118 | Hughes, Noah (1525) | Won 2-0 | +181536 |
| 3pioneer | 1063 | Lloyd, Alex (1621) | Lost 0-2 | -161520 |
| 4pioneer | 1162 | Chen, Jeffrey (1678) | Won 2-0 | +211541 |
| 5pioneer | 1093 | Rios, Jose (1552) | Won 2-1 | +181559 |
| 6pioneer | 1053 | John, Julian (1829) | Won 2-0 | +231582 |
| 7pioneer | 1011 | Balsizer, Cody (1727) | Lost 1-2 | -161566 |
| 8pioneer | 1087 | Oswald, Kenneth (1502) | Won 2-1 | +171583 |
| 9pioneer | 1035 | Durish, Jacob (1631) | Lost 0-2 | -171566 |
| 10pioneer | 1049 | Vance, Heath (1761) | Lost 0-2 | -151551 |
| 11pioneer | 1101 | Schnake, Abe (1828) | Lost 1-2 | -131538 |
| average opponent: 1650record: 6-5 | new rating: 1538 | |||