Ramirez Portugal, Ubaldo
Current rating: 1522
Record: 4-3-1
| Grand Prix Mexico City 2018 (GRN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 13 | Arellano Hernandez, Aldo (1419) | Won 2-1 | +171517 |
| 2sealed | 76 | Aguilar Granados, Jesus Carlos (1648) | Lost 0-2 | -161501 |
| 3sealed | 117 | Bustamante Lerma, Jose Alfonso (1614) | Won 2-0 | +201521 |
| 4sealed | 81 | Vassilev Galindo, Mihail (1520) | Draw 1-1 | 01521 |
| 5sealed | 94 | Ku Chale, Jose Alfredo (1522) | Lost 0-2 | -181503 |
| 6sealed | 126 | Hernandez Rodriguez, Victor Manuel (1489) | Won 2-0 | +181521 |
| 7sealed | 93 | Bradley, Patrick (1512) | Won 2-1 | +181539 |
| 8sealed | 61 | Steiner, Casey (1598) | Lost 1-2 | -171522 |
| average opponent: 1540record: 4-3-1 | new rating: 1522 | |||