Alfaro Contreras, Luis
Current rating: 1370
| Grand Prix Santiago 2015 (ORI limited) | starting rating: 1395 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 302 | Monsalve, Juan (1500) | Lost 0-2 | -161379 |
| 2sealed | 209 | Veloso Ellis, Camilo (1483) | Lost 0-2 | -161363 |
| 3sealed | 364 | Alcalde, Juan Pablo (1654) | Lost 0-2 | -131350 |
| 4sealed | 350 | Flores, Cesar David (1445) | Won 2-0 | +201370 |
| top | average opponent: 1521record: 1-3 | new rating: 1370 | ||
| Grand Prix Buenos Aires 2014 (BNG standard) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 92 | Croce, Nicolas (1500) | Lost 0-2 | -171447 |
| 2standard | 354 | Rivas, Jose (1468) | Lost 1-2 | -181429 |
| 3standard | 389 | Roman, Gabriel (1464) | Won 2-0 | +191448 |
| 4standard | 318 | Zapico, Rodrigo (1487) | Lost 1-2 | -171431 |
| 5standard | 364 | Leguizamon, Gustavo (1463) | Lost 0-2 | -181413 |
| 6standard | 346 | Vargas, Luis 2 (1411) | Lost 0-2 | -181395 |
| top | average opponent: 1466record: 1-5 | new rating: 1395 | ||
| Grand Prix Santiago 2013 (THS standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 19 | Dominguez, Rodrigo (1518) | Lost 1-2 | -181482 |
| 2modern | 177 | Valerio, Robert (1473) | Won 2-1 | +181500 |
| 3modern | 17 | Carrasco Maureira, Francisco Arturo (1503) | Won 2-1 | +181518 |
| 4modern | 144 | Fagundes, Josejane (1574) | Lost 0-2 | -171501 |
| 5modern | 201 | Cortada, Jose (1448) | Lost 0-2 | -191482 |
| 6modern | 257 | Gonzalez, Walter E (1483) | Won 2-1 | +181500 |
| 7modern | 198 | Gonzalez, Marcelo (1497) | Lost 0-2 | -181482 |
| 8modern | 201 | Mateluna, Cristobal (1484) | Lost 0-2 | -181464 |
| top | average opponent: 1498record: 3-5 | new rating: 1464 | ||