Petersen, Michael
Current rating: 1397
Record: 14-20-3
| Grand Prix Denver 2016 (KLD standard) | starting rating: 1431 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 150 | Steele, Carly (1343) | Lost 0-2 | -201411 |
| 2standard | 467 | Lujan, Navada (1464) | Lost 0-2 | -171394 |
| 3standard | 686 | Tharp, Jacob (1428) | Won 2-0 | +191413 |
| 4standard | 682 | Joyce, Sean (1556) | Lost 0-2 | -161397 |
| top | average opponent: 1448record: 1-3 | new rating: 1397 | ||
| Grand Prix Atlanta 2016 (KLD limited) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 542 | Cox, Nelson (1500) | Draw 1-1 | 01463 |
| 2sealed | 906 | Clayton, Dewey (1501) | Won 2-0 | +191482 |
| 3sealed | 890 | Klabik, Brad (1500) | Draw 1-1 | 01482 |
| 4sealed | 1042 | Phillips, Wolf (1552) | Lost 0-2 | -171465 |
| 5sealed | 1132 | Hickey, Gabriel (1500) | Lost 1-2 | -171448 |
| 6sealed | 1143 | Hunt, Kyle (1432) | Lost 0-2 | -181430 |
| 7sealed | 1080 | Beachboard, Drea (1445) | Won 2-0 | +181448 |
| 8sealed | 996 | Jelesnianski, Christopher (1481) | Lost 1-2 | -171431 |
| top | average opponent: 1489record: 2-4-2 | new rating: 1431 | ||
| Grand Prix Columbus 2016 (legacy) | starting rating: 1479 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 29 | Wiesel, Zachary (1447) | Lost 1-2 | -191460 |
| 2legacy | 699 | Coyle, Michael (1430) | Won 2-1 | +181478 |
| 3legacy | 741 | Ladouceur, Travis (1644) | Lost 1-2 | -151463 |
| top | average opponent: 1507record: 1-2 | new rating: 1463 | ||
| Grand Prix Charlotte 2016 (modern) | starting rating: 1478 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 677 | Soler, Justin (1450) | Lost 1-2 | -181460 |
| 2modern | 861 | Unangst, James (1481) | Won 2-1 | +181478 |
| 3modern | 595 | Chen, Shawn (1518) | Lost 0-2 | -171461 |
| 4modern | 1041 | Parkes, Nolan (1445) | Won 2-0 | +181479 |
| top | average opponent: 1474record: 2-2 | new rating: 1479 | ||
| Grand Prix Detroit 2016 (modern) | starting rating: 1515 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 734 | Cunningham, Scott (1546) | Lost 1-2 | -171498 |
| 2modern | 679 | Cellini, Joseph (1446) | Won 2-0 | +171515 |
| 3modern | 881 | Mitchell, Ben (1487) | Lost 1-2 | -191496 |
| 4modern | 989 | Snyder, Drew (1492) | Lost 1-2 | -181478 |
| top | average opponent: 1493record: 1-3 | new rating: 1478 | ||
| Grand Prix Madison 2015 (BFZ limited) | starting rating: 1534 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 452 | Doherty, Brian (1500) | Lost 0-2 | -191515 |
| top | record: 0-1 | new rating: 1515 | ||
| Grand Prix Minneapolis 2014 (modern) | starting rating: 1503 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 415 | Hurshman, Jeremy (1463) | Lost 1-2 | -181485 |
| 2modern | 660 | Peitzer, Scott (1446) | Won 2-1 | +171502 |
| 3modern | 680 | Nord, Charles (1465) | Won 2-0 | +171519 |
| 4modern | 350 | Freiermath, Taylor (1518) | Draw 1-1 | 01519 |
| 5modern | 427 | Kroeger, Travis (1488) | Won 2-0 | +181537 |
| 6modern | 300 | Chu, Jian Liang (1553) | Won 2-0 | +181555 |
| 7modern | 231 | Griffith, Cole (1385) | Lost 0-2 | -211534 |
| top | average opponent: 1474record: 4-2-1 | new rating: 1534 | ||
| Grand Prix Washington DC 2013 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 87 | Bolen, Chris I (1428) | Lost 0-1 | -191481 |
| 2legacy | 512 | WELTZ, MIKE (1483) | Won 2-0 | +181499 |
| 3legacy | 547 | Hoffman, Ian (1381) | Lost 1-2 | -201479 |
| 4legacy | 760 | Lowther, Cameron J (1613) | Won 2-0 | +201499 |
| 5legacy | 521 | Williams, Keith (1517) | Won 2-0 | +181517 |
| 6legacy | 417 | Scott, Matt (1741) | Lost 0-2 | -141503 |
| top | average opponent: 1527record: 3-3 | new rating: 1503 | ||