Mejia, Luis
Current rating: 1484
Record: 10-13
| Grand Prix Mexico City 2018 (GRN limited) | starting rating: 1491 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 98 | Littman, Fai (1959) | Won 2-1 | +261517 |
| 2sealed | 52 | Hernandez Alvarez, Jaime Ernesto (1415) | Lost 0-2 | -201497 |
| 3sealed | 106 | Vargas, Erick (1454) | Won 2-0 | +171514 |
| 4sealed | 62 | Rodriguez Miranda, Jose Luis (1421) | Won 2-0 | +171531 |
| 5sealed | 50 | Martinez, Carlos [MEX] (1506) | Won 2-0 | +171548 |
| 6sealed | 50 | Sanchez, Cristian [CHL] (1829) | Won 2-0 | +231571 |
| 7sealed | 29 | Moreno, Eduardo (1568) | Won 2-1 | +181589 |
| 8sealed | 9 | Austin, Lance (1904) | Lost 0-2 | -121577 |
| 9sealed | 37 | Grezes, Felix (1780) | Lost 1-2 | -151562 |
| 10draft | 24 | Velasquez Franco, Juan Felipe (1691) | Lost 1-2 | -151547 |
| 11draft | 39 | Gonzalez Herrera, Alejandro Aaron (1492) | Lost 1-2 | -191528 |
| 12draft | 38 | Espinosa, Carlos (1547) | Lost 1-2 | -181510 |
| 13draft | 19 | Botis, Juan Carlos (1725) | Lost 0-2 | -141496 |
| 15draft | 10 | West, Alexander (1843) | Lost 0-2 | -121484 |
| top | average opponent: 1652record: 6-8 | new rating: 1484 | ||
| Grand Prix Las Vegas 2018 (limited) (DOM limited) | starting rating: 1462 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 227 | Yager, Serge (1464) | Won 2-0 | +181480 |
| 2sealed | 37 | Malcomson, Blane (1518) | Won 2-0 | +191499 |
| 3sealed | 395 | Bernat, Michael (1942) | Lost 0-2 | -101489 |
| 4sealed | 541 | Hodgins, Brandon (1476) | Won 2-0 | +171506 |
| 5sealed | 1316 | Wu, Jia (1717) | Lost 0-2 | -141492 |
| 6sealed | 403 | Sparks, Jesse (1414) | Won 2-1 | +171509 |
| 7sealed | 338 | Jianu, Michael (1528) | Lost 1-2 | -181491 |
| top | average opponent: 1580record: 4-3 | new rating: 1491 | ||
| Grand Prix Las Vegas 2018 (modern) (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 778 | Shannon, Charlie (1500) | Lost 0-2 | -181482 |
| 2modern | 735 | Delucchi, Brian (1389) | Lost 0-2 | -201462 |
| top | average opponent: 1444record: 0-2 | new rating: 1462 | ||