De Marco, Claudio
Current rating: 1491
Record: 5-6
| Grand Prix Buenos Aires 2015 (DTK standard) | starting rating: 1486 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 61 | Chomali, Diego (1582) | Won 2-0 | +201506 |
| 2standard | 135 | Gonzalez, Amed (1522) | Lost 0-2 | -181488 |
| 3standard | 154 | Pinto, cristian H (1499) | Lost 0-2 | -171471 |
| 4standard | 274 | Alcalde, Eduardo (1449) | Won 2-0 | +171488 |
| 5standard | 193 | Pareto Gomes, Daniel (1522) | Won 2-0 | +191507 |
| 6standard | 110 | Itani, Hiroshi (1636) | Lost 1-2 | -161491 |
| average opponent: 1535record: 3-3 | new rating: 1491 | |||
| Grand Prix Buenos Aires 2008 (SHM standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 66 | HAJDINJAK, SEBASTIAN (1518) | Lost 1-2 | -181482 |
| 3standard | 145 | Ferry, Sergio (1625) | Won 2-1 | +211503 |
| 4standard | 166 | Roson, Nahuel (1518) | Won 2-1 | +181521 |
| 5standard | 82 | Medeiros, Nicholas A (1579) | Lost 0-2 | -171504 |
| 6standard | 127 | CORRADI, MAXIMILIANO (1517) | Lost 0-2 | -181486 |
| average opponent: 1551record: 2-3 | new rating: 1486 | |||