Manahan, David
Current rating: 1428
Record: 0-4
| Grand Prix Los Angeles 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 124 | Matthews, Bo (1563) | Lost 1-2 | -171483 |
| 2modern | 566 | Jose, Christopher (1448) | Lost 0-2 | -181465 |
| 3modern | 670 | Lewis, Daniel (1449) | Lost 1-2 | -191446 |
| 4modern | 713 | Miranda, Anthony (1446) | Lost 0-2 | -181428 |
| average opponent: 1477record: 0-4 | new rating: 1428 | |||