Kumbroch, David
Current rating: 1540
Record: 5-3
| Grand Prix Memphis 2019 (RNA standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 273 | Baynton, Daniel (1402) | Won 2-1 | +161516 |
| 2standard | 208 | Thliveris, Tom (1512) | Won 2-0 | +181534 |
| 3standard | 119 | Chen, Mingyang (1494) | Won 2-1 | +171551 |
| 4standard | 3 | Kwiatkowski, Mark (1502) | Won 2-1 | +181569 |
| 5standard | 26 | Pozzo, Sebastian (1981) | Lost 0-2 | -111558 |
| 6standard | 63 | Johnson, Patricia (1587) | Lost 0-2 | -181540 |
| 7standard | 171 | Lucero, Kyle (1536) | Lost 1-2 | -181522 |
| 8standard | 168 | Huckaby, Danny (1521) | Won 2-1 | +181540 |
| average opponent: 1567record: 5-3 | new rating: 1540 | |||