Kovalchick, Michael
Current rating: 1563
Record: 10-9-1
| Regional Championships Dallas 2023 (pioneer) | starting rating: 1471 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 219 | Grezes, Felix (1749) | Won 2-1 | +231494 |
| 2pioneer | 90 | Li, Phillip (1822) | Won 2-0 | +231517 |
| 3pioneer | 106 | McKay, Brent (1534) | Lost 1-2 | -171500 |
| 4pioneer | 261 | Sigrist, Mike (1916) | Lost 0-2 | -111489 |
| 5pioneer | 211 | Borakove, Steven (1631) | Won 2-1 | +201509 |
| 6pioneer | 108 | [anonymous] | Won 2-1 | +201529 |
| 7pioneer | 222 | Tramel, Chad (1506) | Won 2-0 | +181547 |
| 8pioneer | 40 | Seder, Robert (1925) | Draw 1-1 | +61553 |
| 9pioneer | 82 | Knorr, Jackson (1770) | Won 2-1 | +221575 |
| 10pioneer | 49 | Kim, Irina (1581) | Won 2-0 | +181593 |
| 11pioneer | 31 | Ullman, Joseph (1662) | Lost 1-2 | -171576 |
| 12pioneer | 67 | Stein, Abraham (1843) | Lost 1-2 | -131563 |
| top | average opponent: 1711record: 7-4-1 | new rating: 1563 | ||
| Grand Prix Boston-Worcester 2014 (modern) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 852 | Robillard, Joseph (1587) | Lost 1-2 | -161465 |
| 4modern | 887 | Chiu, Timothy (1517) | Won 2-1 | +191484 |
| 5modern | 900 | Frank, Christopher (1536) | Lost 0-2 | -171467 |
| 6modern | 963 | Travers, Tyler (1517) | Won 2-0 | +191486 |
| 7modern | 905 | Siembor, Michael (1626) | Lost 0-2 | -151471 |
| top | average opponent: 1556record: 2-3 | new rating: 1471 | ||
| Grand Prix Pittsburgh 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 322 | Jeffrey, Dylan (1500) | Lost 1-2 | -181482 |
| 2sealed | 428 | Ozalas, David (1465) | Won 2-1 | +181500 |
| 3sealed | 465 | Reynolds, Michael (1479) | Lost 1-2 | -191481 |
| top | average opponent: 1482record: 1-2 | new rating: 1481 | ||