Bona, Michael
Current rating: 1611
Record: 22-15
| Grand Prix Las Vegas 2015 (2) (MM2 limited) | starting rating: 1560 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 328 | Smalley, Matt (1519) | Lost 0-2 | -191541 |
| 2sealed | 372 | Erdmann, Kevin (1483) | Won 2-1 | +171558 |
| 3sealed | 276 | Slagel, Jack (1578) | Won 2-0 | +181576 |
| 4sealed | 294 | Zink, Shaun (1517) | Won 2-0 | +171593 |
| 5sealed | 212 | McCarroll, John (1518) | Won 2-0 | +171610 |
| 6sealed | 77 | Collins, Sean (1725) | Won 2-0 | +201630 |
| 7sealed | 57 | Nolen, Lauren (1741) | Lost 0-2 | -161614 |
| 8sealed | 95 | Tang, Nicholas (1555) | Won 2-1 | +171631 |
| 9sealed | 98 | Britten, Matt (1673) | Won 2-1 | +191650 |
| 10draft | 15 | Velasquez Franco, Juan Felipe (1549) | Won 2-0 | +161666 |
| 11draft | 138 | Spaulding, Ian (1821) | Lost 0-2 | -161650 |
| 12draft | 127 | Studenmund, Daniel (1598) | Lost 0-2 | -181632 |
| 13draft | 137 | Inglis, David [USA] (1583) | Lost 1-2 | -191613 |
| 14draft | 126 | Davies, Karen (1569) | Won 2-0 | +171630 |
| 15draft | 151 | Spezzo, Vincent (1557) | Lost 0-2 | -191611 |
| top | average opponent: 1599record: 9-6 | new rating: 1611 | ||
| Grand Prix New Jersey 2014 (legacy) | starting rating: 1603 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 1798 | Canales, Benito (1467) | Won 2-1 | +161619 |
| 2legacy | 1454 | Mallin, Tom (1542) | Lost 1-2 | -201599 |
| 3legacy | 1945 | Lu, Ronnie (1499) | Lost 0-2 | -201579 |
| 4legacy | 1868 | Arnold, Daniel (1482) | Lost 1-2 | -191560 |
| top | average opponent: 1497record: 1-3 | new rating: 1560 | ||
| Grand Prix Boston-Worcester 2012 (M13 limited) | starting rating: 1561 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 488 | Reed, David (1500) | Lost 1-2 | -191542 |
| 2sealed | 507 | Perrotta, Brendan (1409) | Lost 1-2 | -211521 |
| 3sealed | 779 | Wahlaren, Seth (1464) | Won 2-1 | +171538 |
| 4sealed | 729 | Craig, Kyle (1482) | Won 2-1 | +171555 |
| 5sealed | 496 | Gibson, Stephanie N (1488) | Lost 0-2 | -191536 |
| 6sealed | 558 | Mullahoo, Steven (1482) | Won 2-1 | +171553 |
| 7sealed | 471 | Duprez, Dean (1484) | Won 2-1 | +171570 |
| 8sealed | 340 | Johnson, Matthew (1485) | Won 2-0 | +161586 |
| 9sealed | 228 | Wilkins, Bryon (1527) | Won 2-0 | +171603 |
| top | average opponent: 1480record: 6-3 | new rating: 1603 | ||
| Grand Prix Providence 2011 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 469 | Fontaine, Jonathan (1500) | Won 2-1 | +181518 |
| 2legacy | 509 | Onions, James (1524) | Won 2-0 | +181536 |
| 3legacy | 407 | Blumenthal, Scott (1622) | Won 2-1 | +201556 |
| 4legacy | 461 | Wang, Samuel (1667) | Won 2-1 | +201576 |
| 5legacy | 410 | Giaccotto, David (1575) | Won 2-1 | +181594 |
| 6legacy | 406 | Benson, Jonathan (1701) | Lost 1-2 | -161578 |
| 7legacy | 441 | Newbold, Jesse (1652) | Lost 0-2 | -171561 |
| 8legacy | 446 | Gouthro, Michael (1539) | Lost 1-2 | -181543 |
| 9legacy | 488 | Freas, Gerald (1547) | Won 2-1 | +181561 |
| top | average opponent: 1592record: 6-3 | new rating: 1561 | ||