KAREL, JOE D
Current rating: 1565
Record: 8-5-1
| Grand Prix Detroit 2013 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 266 | Milmine, Tyler (1465) | Won 2-0 | +171517 |
| 2modern | 166 | Topham, Ian (1519) | Won 0-0 | +181535 |
| 3modern | 14 | Williams, Steven (1536) | Draw 1-1 | 01535 |
| 4modern | 197 | Engerson, John E (1506) | Won 2-0 | +181553 |
| 5modern | 100 | Dumoulin, Vincent (1478) | Won 2-0 | +161569 |
| 6modern | 46 | Kenjar, Jason (1469) | Won 2-0 | +171586 |
| 7modern | 27 | Oliveira, Jacob (1610) | Won 2-1 | +181604 |
| 8modern | 13 | Karls, Samuel (1701) | Won 2-1 | +201624 |
| 9modern | 5 | Stark, Ben S (2198) | Lost 1-2 | -91615 |
| 10modern | 25 | Haas, Kennen (1609) | Lost 0-2 | -181597 |
| 11modern | 57 | Rudolph, David (1706) | Lost 0-2 | -161581 |
| 12modern | 12 | Tang, Jacky (1624) | Lost 1-2 | -171564 |
| 13modern | 83 | Golembiewski, Jason R (1666) | Won 2-0 | +201584 |
| 14modern | 69 | Price, Sage (1535) | Lost 1-2 | -191565 |
| average opponent: 1616record: 8-5-1 | new rating: 1565 | |||