Spencer, Tomas
Current rating: 1487
Record: 7-8
| Grand Prix Santiago 2017 (AKH standard) | starting rating: 1547 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 60 | Echezarreta, Nilo Adrian (1467) | Lost 0-2 | -191528 |
| 2standard | 224 | Tapia Montano, Cristian (1469) | Lost 1-2 | -191509 |
| 3standard | 330 | Zurita, Carlos (1415) | Lost 0-2 | -201489 |
| 4standard | 349 | Vera, Rodolfo (1444) | Won 2-1 | +171506 |
| 5standard | 320 | Roque, Francisco (1488) | Won 2-0 | +181524 |
| 6standard | 273 | Ferreira Pacheco, Filipe (1511) | Lost 0-2 | -181506 |
| 7standard | 280 | Velasquez, Nicolas (1466) | Lost 1-2 | -191487 |
| average opponent: 1466record: 2-5 | new rating: 1487 | |||
| Grand Prix Santiago 2011 (ISD limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 37 | Ruiz, Andres (1500) | Won 2-0 | +181518 |
| 2sealed | 73 | Correa, Jose (1518) | Won 2-0 | +181536 |
| 3sealed | 52 | Fuentes, David (1536) | Won 2-0 | +181554 |
| 4sealed | 48 | Ahumada, Felipe (1589) | Lost 0-2 | -171537 |
| 5sealed | 70 | Sanchez, Daniel [CHL] (1638) | Lost 1-2 | -171520 |
| 6sealed | 155 | Puebla Aguilera, Angel (1516) | Won 2-1 | +181538 |
| 7sealed | 135 | Scott-Vargas, Luis (2086) | Won 2-0 | +271565 |
| 8sealed | 76 | Silva, Eduardo N (1556) | Lost 0-2 | -181547 |
| average opponent: 1617record: 5-3 | new rating: 1547 | |||