Ku Chale, Jose Alfredo
Current rating: 1523
Record: 4-3-1
| Grand Prix Mexico City 2018 (GRN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 68 | Medina Lopez, Carlos Alberto (1421) | Lost 0-2 | -191481 |
| 2sealed | 148 | Delacruz, Rubi (1482) | Won 2-1 | +181499 |
| 3sealed | 98 | Donato, Marino (1738) | Draw 1-1 | +41503 |
| 4sealed | 132 | Cabrera Bautista, Esli Michael (1580) | Won 2-1 | +191522 |
| 5sealed | 94 | Ramirez Portugal, Ubaldo (1521) | Won 2-0 | +181540 |
| 6sealed | 61 | Steiner, Casey (1600) | Won 2-0 | +191559 |
| 7sealed | 36 | Pichardo, Luis (1519) | Lost 0-2 | -181541 |
| 8sealed | 64 | Hernandez, Daniel [MEX] (1571) | Lost 1-2 | -181523 |
| average opponent: 1554record: 4-3-1 | new rating: 1523 | |||