Jankowski, Coltan J
Current rating: 1479
Record: 2-3
| Grand Prix Columbus 2012 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 179 | Palma, Matthew (1463) | Lost 0-2 | -191481 |
| 2modern | 358 | Goncz, Edward (1482) | Won 2-1 | +181499 |
| 3modern | 246 | Swisher, Samuel S (1502) | Won 2-0 | +181517 |
| 4modern | 236 | Tomitz, Michael (1445) | Lost 0-2 | -191498 |
| 5modern | 290 | Guthrie, Kendal (1455) | Lost 0-2 | -191479 |
| average opponent: 1469record: 2-3 | new rating: 1479 | |||