De Guzman, Ricardo
Current rating: 1431
Record: 6-10
| Grand Prix Las Vegas 2019 (limited) (MH1 limited) | starting rating: 1478 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 273 | Snyder, Michael (1597) | Lost 0-2 | -161462 |
| 2sealed | 347 | James, Kyle (1578) | Lost 0-2 | -161446 |
| 3sealed | 559 | Bateman, Ben (1619) | Lost 1-2 | -151431 |
| top | average opponent: 1598record: 0-3 | new rating: 1431 | ||
| Grand Prix Los Angeles 2019 (modern) | starting rating: 1516 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 265 | Buryta, Chris (1500) | Lost 0-2 | -181498 |
| 2modern | 477 | Brannon, Nathan (1459) | Won 2-1 | +171515 |
| 3modern | 428 | Hooper, Jared (1486) | Lost 0-2 | -191496 |
| 4modern | 616 | Flores, Walter (1463) | Lost 1-2 | -181478 |
| top | average opponent: 1477record: 1-3 | new rating: 1478 | ||
| Grand Prix Las Vegas 2015 (1) (MM2 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 139 | Mullaney, Jack (1518) | Lost 0-2 | -181482 |
| 2sealed | 202 | Dentinger, Bill (1416) | Won 2-1 | +171499 |
| 3sealed | 239 | Singletary, Greg (1507) | Won 2-0 | +181517 |
| 4sealed | 116 | Queary, Nash (1522) | Lost 1-2 | -181499 |
| 5sealed | 178 | Jablonski, Max (1501) | Won 2-1 | +181517 |
| 6sealed | 145 | Kho, Kamal (1487) | Won 2-0 | +181535 |
| 7sealed | 111 | Dondero, Nicholas (1510) | Won 2-0 | +171552 |
| 8sealed | 74 | Mell, Daniel (1523) | Lost 1-2 | -181534 |
| 9sealed | 19 | Chu, Steven (1538) | Lost 0-2 | -181516 |
| top | average opponent: 1502record: 5-4 | new rating: 1516 | ||