Czubek, Michael R
Current rating: 1370
Record: 3-11
| Grand Prix Detroit 2013 (modern) | starting rating: 1374 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 336 | Vilseck, Keith (1500) | Won 2-1 | +201394 |
| 2modern | 140 | Gareau, Philippe (1692) | Lost 0-0 | -121382 |
| 3modern | 543 | Hannah, Michael (1482) | Won 2-1 | +191401 |
| 4modern | 398 | Hedlund, Rickard (1511) | Lost 1-2 | -161385 |
| 5modern | 543 | Piazza, John (1523) | Lost 0-2 | -151370 |
| average opponent: 1542record: 2-3 | new rating: 1370 | |||
| Grand Prix Columbus 2012 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 267 | Zaffino, Kyle (1446) | Lost 0-2 | -191481 |
| 2modern | 339 | ratliff, dean (1482) | Lost 0-2 | -181463 |
| 3modern | 427 | Rutledge, David (1465) | Lost 1-2 | -181445 |
| 4modern | 486 | Spears II, Rocky (1446) | Lost 1-2 | -181427 |
| 5modern | 460 | Kellerhier, Cyrus (1426) | Won 2-0 | +181445 |
| 6modern | 404 | Bores, Chris (1447) | Lost 1-2 | -181427 |
| 7modern | 340 | Peever, Rebekah (1424) | Lost 0-2 | -181409 |
| 8modern | 275 | Wesley, Dylan (1430) | Lost 0-2 | -181391 |
| 9modern | 230 | LaCluyze, Jennifer (1427) | Lost 1-2 | -171374 |
| average opponent: 1444record: 1-8 | new rating: 1374 | |||