Ortiz, Michael 9945
Current rating: 1469
Record: 4-6
| Grand Prix Tampa Bay 2019 (modern) | starting rating: 1444 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 257 | Dimas, Taylor (1500) | Won 2-1 | +191463 |
| 2modern | 3 | Witting, Joshua (1471) | Won 2-1 | +181481 |
| 3modern | 10 | Spittle, Don (1544) | Lost 1-2 | -161465 |
| 4modern | 129 | Marich, Eric (1564) | Lost 1-2 | -171448 |
| 5modern | 337 | Neff, Jonathon (1497) | Won 2-1 | +191467 |
| 6modern | 170 | Whittington, David (1503) | Won 2-1 | +191486 |
| 7modern | 144 | Jang, Charles (1572) | Lost 1-2 | -171469 |
| average opponent: 1522record: 4-3 | new rating: 1469 | |||
| Grand Prix Orlando 2018 (M19 standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 160 | Savage, John (1472) | Lost 0-2 | -181482 |
| 2standard | 317 | Loving, Austin (1481) | Lost 0-2 | -191463 |
| 3standard | 481 | Reece, Ryan (1397) | Lost 0-2 | -191444 |
| average opponent: 1450record: 0-3 | new rating: 1444 | |||