Alfaro, David
Current rating: 1506
| Grand Prix Santiago 2015 (ORI limited) | starting rating: 1544 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 152 | Velasquez Jara, Cristian Andres (1445) | Lost 0-2 | -201524 |
| 2sealed | 248 | Chomali, Diego (1506) | Won 2-1 | +181542 |
| 3sealed | 252 | Balissat, Simon (1500) | Lost 0-2 | -191523 |
| 4sealed | 286 | Mahncke, Claudio (1572) | Lost 0-2 | -171506 |
| top | average opponent: 1506record: 1-3 | new rating: 1506 | ||
| Grand Prix Santiago 2014 (KTK standard) | starting rating: 1519 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 298 | Vargas Anderson, Carlo (1536) | Lost 0-1 | -171502 |
| 4standard | 138 | Almeida, Jose (1454) | Won 2-1 | +171519 |
| 5standard | 103 | Oliveira, Thiago (1599) | Won 2-1 | +191538 |
| 6standard | 66 | Caparroz, Joao Lucas (1510) | Won 2-0 | +181556 |
| 7standard | 40 | Carneiro, Elton (1595) | Won 2-0 | +181574 |
| 8standard | 14 | Zurita Gonzalez, David (1715) | Lost 1-2 | -151559 |
| 9standard | 46 | dos Santos Esteves, Carlos Alexandre (1711) | Lost 0-2 | -151544 |
| top | average opponent: 1588record: 4-3 | new rating: 1544 | ||
| Grand Prix Santiago 2013 (THS standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 56 | Cerda, Mario (1500) | Won 2-0 | +181518 |
| 2modern | 68 | Xavier, Joao (1518) | Lost 1-2 | -181500 |
| 3modern | 184 | Morales, Pablo (1464) | Won 2-0 | +171517 |
| 4modern | 126 | Leite Araujo, Joao Paulo (1726) | Lost 0-2 | -141503 |
| 5modern | 264 | Gonzalez, Marcelo (1498) | Won 2-0 | +181521 |
| 6modern | 171 | Luna, Ruben (1484) | Won 2-1 | +171538 |
| 7modern | 82 | Vargas, Luis (1486) | Won 2-0 | +171555 |
| 8modern | 52 | Rosas Antipa, Cristobal Ignacio (1522) | Lost 1-2 | -181537 |
| 9modern | 118 | Arntz, Estevao Rudi (1564) | Lost 0-2 | -181519 |
| top | average opponent: 1529record: 5-4 | new rating: 1519 | ||