Orduna Villalba, Alfredo
Current rating: 1432
Record: 2-6-1
| Grand Prix Mexico City 2018 (GRN limited) | starting rating: 1450 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 133 | Miceli, Baptiste (1472) | Lost 0-2 | -181432 |
| record: 0-1 | new rating: 1432 | |||
| Grand Prix Mexico City 2014 (BNG limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 103 | Sanchez Peralta, Archibal Raziel (1747) | Lost 0-2 | -141486 |
| 2sealed | 292 | Godinez Gonzalez, Anto (1481) | Lost 0-2 | -181468 |
| 3sealed | 323 | Wischkaemper, Michael (1464) | Won 2-1 | +181486 |
| 4sealed | 241 | Dominguez, Ruy (1517) | Lost 0-2 | -171469 |
| 5sealed | 302 | Lin, Ismael (1463) | Lost 1-2 | -181451 |
| 6sealed | 286 | Amante Diaz, Verenice (1445) | Draw 1-1 | 01451 |
| 7sealed | 240 | Ramos Vilchis, Zeus Federico (1446) | Lost 1-2 | -181433 |
| 8sealed | 215 | DEL VALLE A, RAFAEL TONATIUH (1398) | Won 2-0 | +171450 |
| average opponent: 1495record: 2-5-1 | new rating: 1450 | |||