Arellano, Nathaniel
Current rating: 1535
Record: 5-3
| Grand Prix San Diego 2011 (ISD limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 104 | Fernald, James A (1563) | Won 2-1 | +191519 |
| 2sealed | 115 | Nguyen, Philip (1518) | Won 2-0 | +181537 |
| 3sealed | 24 | Valis, Filip (1517) | Lost 0-2 | -181519 |
| 4sealed | 119 | Haverkos, Axel (1518) | Won 2-1 | +181537 |
| 5sealed | 56 | Einwiller, Jeff (1531) | Lost 1-2 | -181519 |
| 6sealed | 162 | Snider, Warren (1503) | Won 2-1 | +171536 |
| 7sealed | 87 | Lu, Joshua (1486) | Won 2-1 | +171553 |
| 8sealed | 66 | Escobar, Nick (1550) | Lost 1-2 | -181535 |
| average opponent: 1523record: 5-3 | new rating: 1535 | |||