Opperman, Michael
Current rating: 1652
Record: 28-18-1
| Grand Prix Dallas-Fort Worth 2016 (modern) | starting rating: 1625 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 35 | Pike, Matthew (1500) | Won 2-0 | +161641 |
| 2modern | 184 | Sookngam, Michael (1568) | Won 2-0 | +171658 |
| 3modern | 128 | Peters, Stephen (1862) | Won 2-1 | +211679 |
| 4modern | 190 | Nguyen, Viet (1492) | Won 2-1 | +151694 |
| 5modern | 38 | May, Taylor (1771) | Won 2-0 | +191713 |
| 6modern | 42 | Carstensen, Chris (1573) | Lost 1-2 | -201693 |
| 7modern | 142 | Loper, Johnathan (1560) | Lost 1-2 | -211672 |
| 8modern | 154 | Sigrist, Mike (2080) | Lost 1-2 | -111661 |
| 9modern | 368 | Dinnis, Nik (1526) | Won 2-1 | +161677 |
| 10modern | 175 | Cho, Justin (1560) | Lost 1-2 | -201657 |
| 11modern | 275 | Pate, Jordan (1494) | Won 2-0 | +151672 |
| 13modern | 99 | London, David (1563) | Lost 1-2 | -201652 |
| top | average opponent: 1629record: 7-5 | new rating: 1652 | ||
| Grand Prix Charlotte 2016 (modern) | starting rating: 1588 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 627 | Munson, Andrew (1500) | Won 2-1 | +171605 |
| 2modern | 82 | Maftei, Dan (1695) | Won 2-0 | +191624 |
| 3modern | 135 | Felber, Andrew (1571) | Lost 1-2 | -191605 |
| 4modern | 582 | Ferry, Daniel (1487) | Won 1-0 | +161621 |
| 5modern | 210 | Del Valle, Vladimir (1520) | Lost 0-2 | -201601 |
| 6modern | 277 | Villao, Ruben (1358) | Won 2-1 | +141615 |
| 7modern | 400 | Piepke, Ulrich (1547) | Won 2-1 | +171632 |
| 8modern | 285 | Zelmanski-Neperud, Drew (1543) | Won 2-0 | +161648 |
| 9modern | 94 | Ellis, Scott (1582) | Lost 1-2 | -191629 |
| 10modern | 314 | Heydenrych, Andre (1556) | Won 2-0 | +161645 |
| 11modern | 109 | Pruett Jr, Patrick (1620) | Won 2-0 | +181663 |
| 12modern | 135 | Mitchell, Zane (1835) | Won 2-0 | +211684 |
| 13modern | 101 | O'Neal, Seavy (1557) | Lost 0-2 | -201664 |
| 14modern | 151 | Duhaim, Samuel (1570) | Lost 0-2 | -201644 |
| 15modern | 135 | Chapin, Sam (1595) | Lost 1-2 | -191625 |
| top | average opponent: 1569record: 9-6 | new rating: 1625 | ||
| Grand Prix Oklahoma City 2015 (modern) | starting rating: 1611 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 49 | Shirley, Ernest (1500) | Won 2-0 | +161627 |
| 2modern | 138 | Thorson, Ricky (1557) | Lost 0-2 | -191608 |
| 3modern | 304 | Wu, Allen (1788) | Lost 0-0 | -151593 |
| 4modern | 503 | Huffmon, Robert (1430) | Won 2-0 | +151608 |
| 5modern | 308 | Poor, Michael (1500) | Lost 1-2 | -201588 |
| top | average opponent: 1555record: 2-3 | new rating: 1588 | ||
| Grand Prix Denver 2015 (KTK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 234 | O'Hara, Daniel (1543) | Won 2-0 | +191519 |
| 2standard | 171 | Piil, McKennon (1518) | Won 2-0 | +181537 |
| 3standard | 78 | Hinton, Clifton (1566) | Won 2-0 | +181555 |
| 4standard | 19 | Hutchinson, Rob (1537) | Draw 1-1 | 01555 |
| 5standard | 74 | Anderson, James (1464) | Won 2-1 | +161571 |
| 6standard | 42 | Simpson, Thomas (1508) | Lost 0-2 | -191552 |
| 7standard | 118 | Webb, Justin (1618) | Won 2-0 | +191571 |
| 8standard | 71 | Allen, Brandon (1429) | Won 2-0 | +161587 |
| 9standard | 42 | Louke, Mary (1458) | Won 2-1 | +151602 |
| 10standard | 24 | Anderson, Matt (1623) | Won 2-0 | +191621 |
| 11standard | 13 | Gallagher, Paul (1688) | Lost 0-2 | -171604 |
| 12standard | 33 | Yu, Ben (1813) | Lost 0-2 | -141590 |
| 13standard | 48 | Cahill, Steve (1751) | Won 2-0 | +211611 |
| 14standard | 35 | LaVassaur, Chris (1627) | Won 2-1 | +181629 |
| 15standard | 23 | Baker, John 6193 (1633) | Lost 0-2 | -181611 |
| top | average opponent: 1585record: 10-4-1 | new rating: 1611 | ||