Ostrom, Mike
Current rating: 1360
| Grand Prix Minneapolis 2019 (modern) | starting rating: 1363 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 45 | Milicic, Jacob (1548) | Draw 1-1 | +31366 |
| 2modern | 234 | Boisvert, Parker (1414) | Lost 1-2 | -171349 |
| 3modern | 392 | Bonse, Timothy (1546) | Won 2-0 | +211370 |
| 4modern | 294 | Banal, Andrew (1529) | Won 2-1 | +211391 |
| 5modern | 198 | McGuire, Matthew (1520) | Lost 1-2 | -151376 |
| 6modern | 274 | Bouchard, Jacob (1503) | Lost 0-2 | -161360 |
| top | average opponent: 1510record: 2-3-1 | new rating: 1360 | ||
| Grand Prix Minneapolis 2017 (HOU standard) | starting rating: 1409 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 216 | Vergin, Mitchell (1452) | Lost 1-2 | -171392 |
| 2standard | 373 | Heggen, Joshua (1446) | Lost 0-2 | -171375 |
| 3standard | 527 | Bryant, Stephen (1370) | Lost 1-2 | -181357 |
| 4standard | 517 | Arnold, Chris (1571) | Won 2-0 | +221379 |
| 5standard | 508 | Taylor, Benjamin (1486) | Lost 0-2 | -161363 |
| top | average opponent: 1465record: 1-4 | new rating: 1363 | ||
| Grand Prix Minneapolis 2016 (SOI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 116 | Newcomb, Skyler (1471) | Lost 1-2 | -191481 |
| 2standard | 420 | Adelsheim-Marshall, Duncan (1486) | Lost 1-2 | -171464 |
| 3standard | 636 | Pfleging, Alex (1454) | Lost 1-2 | -191445 |
| 4standard | 684 | Cook, Scott (1433) | Lost 0-2 | -181427 |
| 5standard | 675 | Czerwinski, Robert (1427) | Lost 0-2 | -181409 |
| top | average opponent: 1454record: 0-5 | new rating: 1409 | ||