McKinney, Joseph
Current rating: 1499
| Grand Prix Oklahoma City 2013 (THS limited) | starting rating: 1518 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 293 | Murley, Victor B (1482) | Lost 0-2 | -191499 |
| 4sealed | 406 | Castell, Thomas (1514) | Won 2-0 | +181517 |
| 5sealed | 199 | Glaser, Gary (1514) | Lost 1-2 | -181499 |
| top | average opponent: 1503record: 1-2 | new rating: 1499 | ||
| Grand Prix Houston 2013 (DGM limited) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 294 | Thompson, Walker (1553) | Lost 1-2 | -171465 |
| 2sealed | 250 | Joubert, Hillary (1550) | Won 2-0 | +201485 |
| 3sealed | 267 | Boyce, Alex (1499) | Won 2-0 | +181503 |
| 4sealed | 145 | Miller, Cal R (1521) | Won 2-0 | +181521 |
| 5sealed | 167 | Ogreenc, Greg (1745) | Lost 0-2 | -141507 |
| 6sealed | 219 | Paoletta, Jonathan (1435) | Won 2-0 | +171524 |
| 7sealed | 128 | Edel, Willy (1873) | Won 2-1 | +241548 |
| 8sealed | 137 | Krug, Andrew (1662) | Lost 0-2 | -161532 |
| 9sealed | 112 | Mayor Redondo, Victor (1730) | Lost 1-2 | -141518 |
| top | average opponent: 1619record: 5-4 | new rating: 1518 | ||
| Grand Prix Houston 2010 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 101 | Giannatti, Garrett (1500) | Lost 1-2 | -181482 |
| 2extended | 221 | Odom, Gabriel (1482) | Won 2-1 | +181500 |
| 3extended | 192 | Shaw, John James (1500) | Lost 0-2 | -181482 |
| 4extended | 244 | Dunning, Joseph (1355) | Lost 1-2 | -201462 |
| 5extended | 262 | Layno, Amado (1464) | Won 2-0 | +181480 |
| 6extended | 200 | Cassidy, Bruce K (1482) | Won 2-1 | +181498 |
| 7extended | 154 | Davis, James (1611) | Lost 0-2 | -161482 |
| 8extended | 120 | Reilly, Patrick (1481) | Lost 0-2 | -181464 |
| 9extended | 99 | Melter, Joshua (1465) | Won 2-0 | +181482 |
| top | average opponent: 1482record: 4-5 | new rating: 1482 | ||