Osinski, Chris M
Current rating: 1666
Record: 21-14
| Grand Prix Denver 2011 (MBS limited) | starting rating: 1549 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 445 | Dunks, Jess (1555) | Won 2-1 | +181567 |
| 3sealed | 455 | Stotts, Dylan (1536) | Won 2-1 | +171584 |
| 4sealed | 417 | Chen, Lokman (1717) | Lost 0-2 | -151569 |
| 5sealed | 444 | Pelzel, Shane (1451) | Won 2-0 | +161585 |
| 6sealed | 451 | Price, Pat (1743) | Won 2-0 | +211606 |
| 7sealed | 427 | DeLazier, Jay (1562) | Won 2-0 | +171623 |
| 8sealed | 409 | Lasky, Michael (1539) | Won 2-0 | +161639 |
| 9sealed | 409 | Coon, Philip I (1603) | Lost 0-2 | -181621 |
| 10draft | 40 | Terry, Allen (1523) | Won 2-0 | +161637 |
| 11draft | 12 | Kibler, Brian (1954) | Lost 0-2 | -131624 |
| 12draft | 23 | Vang, John (1640) | Lost 0-2 | -171607 |
| 13draft | 6 | Simon, Michael (1611) | Won 2-0 | +181625 |
| 14draft | 57 | Bond, Matthew (1655) | Won 2-1 | +181643 |
| 15draft | 25 | Woods, Conley (1928) | Won 2-1 | +231666 |
| top | average opponent: 1644record: 10-4 | new rating: 1666 | ||
| Grand Prix Atlanta 2011 (extended) | starting rating: 1526 | |||
| round | table | opponent (rating) | result | Δrating |
| 4extended | 465 | Juza, Martin (2091) | Won 2-0 | +281554 |
| 5extended | 443 | Durward, Caleb (1754) | Lost 0-2 | -151539 |
| 6extended | 449 | Wildes, Chris (1642) | Lost 0-2 | -161523 |
| 7extended | 463 | Chasan, Ze'Eva (1503) | Won 2-1 | +181541 |
| 8extended | 451 | Cain, Lee E (1609) | Won 2-0 | +191560 |
| 9extended | 435 | Hayes, Ben (1895) | Won 2-1 | +241584 |
| 10extended | 53 | Klauk, John (1661) | Lost 1-2 | -171567 |
| 11extended | 67 | Sodaro, Daniel (1540) | Lost 0-2 | -181549 |
| top | average opponent: 1712record: 4-4 | new rating: 1549 | ||
| Grand Prix Seattle 2009 (ARB standard) | starting rating: 1527 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 17 | Steinhebel, Jeremiah (1447) | Won 2-0 | +171544 |
| 3standard | 137 | Penick, John (1663) | Lost 0-2 | -161528 |
| 4standard | 212 | Hsu, Mike (1465) | Won 1-0 | +171545 |
| 5standard | 183 | Watson, Garrett (1616) | Lost 1-2 | -171528 |
| 6standard | 303 | Shikany, Michael (1471) | Won 2-1 | +171545 |
| 7standard | 181 | Bommarito, chaz (1519) | Lost 1-2 | -191526 |
| top | average opponent: 1530record: 3-3 | new rating: 1526 | ||
| Grand Prix Chicago 2009 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 188 | Kosier, Adam (1549) | Won 2-1 | +191519 |
| 4legacy | 82 | Buldt, Len (1535) | Won 2-1 | +181537 |
| 5legacy | 23 | Phillips, Cedric (1807) | Lost 1-2 | -131524 |
| 6legacy | 146 | Lewis, Joshua A (1457) | Lost 0-2 | -191505 |
| 7legacy | 179 | Smutko, Peter (1556) | Won 2-0 | +191524 |
| 8legacy | 133 | Phan, Lam (1676) | Won 2-0 | +201544 |
| 9legacy | 85 | Boggs, Thor (1575) | Lost 0-2 | -171527 |
| top | average opponent: 1594record: 4-3 | new rating: 1527 | ||