Jerrell, Joseph
Current rating: 1522
Record: 5-4
| Grand Prix Kansas City 1999 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4extended | 5 | Weil, Noah (1532) | Won 0-0 | +191519 |
| 5extended | 16 | Gilly, Sammy (1521) | Won 0-0 | +181537 |
| 6extended | 5 | Paschover, Marc (1558) | Lost 0-0 | -181519 |
| 7extended | 18 | Mowshowitz, Zvi (1671) | Lost 0-0 | -151504 |
| 8extended | 27 | Bunsongsikul, Ped (1519) | Lost 0-0 | -181486 |
| 9extended | 29 | NoBel, Trevor (1483) | Won 0-0 | +181504 |
| 10extended | 25 | Wise, James (1489) | Won 0-0 | +181522 |
| 11extended | 17 | Mayo, Frank (1530) | Lost 0-0 | -181504 |
| 12extended | 23 | Glidewell, Robert C (1522) | Won 0-0 | +181522 |
| average opponent: 1536record: 5-4 | new rating: 1522 | |||