Lukes, Herbert
Current rating: 1539
Record: 6-4-1
| Grand Prix Detroit 2019 (M20 limited) | starting rating: 1559 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 13 | Cornelius, Chane (1593) | Lost 0-2 | -181541 |
| 2sealed | 247 | Joshi, Prithvi (1482) | Won 2-1 | +171558 |
| 3sealed | 221 | Evans, Jacob (1504) | Lost 1-2 | -191539 |
| average opponent: 1526record: 1-2 | new rating: 1539 | |||
| Grand Prix Chicago 2009 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 181 | Cruz, Joseph M (1500) | Won 2-0 | +181518 |
| 2legacy | 197 | Hintz, Philip M (1518) | Won 2-1 | +181536 |
| 3legacy | 153 | Mohring, Mike (1536) | Won 2-0 | +181554 |
| 4legacy | 98 | Barbeau, Jeremy (1587) | Won 2-0 | +191573 |
| 5legacy | 66 | Soi, Vivek (1543) | Won 2-1 | +171590 |
| 6legacy | 4 | Cobarrubias, Bryant (1598) | Draw 1-1 | 01590 |
| 7legacy | 17 | Rietzl, Paul (1882) | Lost 0-2 | -131577 |
| 8legacy | 58 | Carpenter, Brad (1539) | Lost 1-2 | -181559 |
| average opponent: 1588record: 5-2-1 | new rating: 1559 | |||