Columba, Humphrey
Current rating: 1451
Record: 1-4
| Grand Prix Dallas-Fort Worth 2013 (THS standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 281 | Ho, Anthony (1564) | Lost 0-2 | -171483 |
| 2standard | 374 | Caitung, Rocky (1482) | Lost 1-2 | -181465 |
| 3standard | 429 | Pierce, David M (1462) | Lost 0-2 | -181447 |
| 4standard | 456 | Miller, Colin (1722) | Lost 1-2 | -131434 |
| 5standard | 449 | Montes de Oca III, Luis (1377) | Won 2-1 | +171451 |
| average opponent: 1522record: 1-4 | new rating: 1451 | |||