Guerrero, Jahaziel
Current rating: 1470
Record: 1-3
| Grand Prix Washington DC 2019 (MH1 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 67 | Rutkowski, Alexander (1451) | Won 2-0 | +171517 |
| 2sealed | 60 | Giallorenzi, Nicholas (1516) | Lost 0-0 | -181499 |
| 3sealed | 424 | Visco, David (1891) | Lost 0-2 | -111488 |
| 4sealed | 427 | Ogle, Stephen (1498) | Lost 1-2 | -181470 |
| average opponent: 1589record: 1-3 | new rating: 1470 | |||