Guitelman, Nicolas
Current rating: 1435
| Grand Prix Buenos Aires 2014 (BNG standard) | starting rating: 1469 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 119 | Pellegrini, Matias (1500) | Lost 0-2 | -171452 |
| 2standard | 335 | Lopez, Santiago (1482) | Won 2-1 | +181470 |
| 3standard | 348 | Vega, Sebastian (1500) | Lost 0-2 | -171453 |
| 4standard | 387 | Gutierrez, Javier (1459) | Won 2-1 | +181471 |
| 5standard | 261 | Aguirre, Francisco (1449) | Lost 1-2 | -181453 |
| 6standard | 306 | Palavecino, Alejandro (1447) | Lost 0-2 | -181435 |
| top | average opponent: 1473record: 2-4 | new rating: 1435 | ||
| Grand Prix Sao Paulo 2012 (M13 limited) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 133 | Azocar, Gonzalo (1482) | Won 2-0 | +181483 |
| 2sealed | 55 | Nakamura, George Y (1518) | Lost 0-2 | -171466 |
| 3sealed | 178 | Brocco, Carlos Alberto (1500) | Won 2-0 | +191485 |
| 4sealed | 126 | de Souza Neto, Oscar N (1517) | Lost 1-2 | -181467 |
| 5sealed | 154 | Nunes da Silva, Rafael (1420) | Won 2-1 | +171484 |
| 6sealed | 198 | Ferry, Gabriel (1573) | Won 2-0 | +201504 |
| 7sealed | 127 | Contreras, Hugo (1569) | Lost 0-2 | -171487 |
| 8sealed | 116 | Goes, Marcelo (1499) | Lost 0-2 | -181469 |
| top | average opponent: 1510record: 4-4 | new rating: 1469 | ||
| Grand Prix Santiago 2011 (ISD limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 170 | Maturana, Mauricio (1500) | Lost 1-2 | -181482 |
| 2sealed | 210 | Viola, Eric (1482) | Lost 0-2 | -181464 |
| 3sealed | 319 | Moreno, Andres (1464) | Won 2-0 | +181482 |
| 4sealed | 259 | Watanabe, Kenji (1513) | Won 2-1 | +191501 |
| 5sealed | 180 | Kitt, Michael (1482) | Lost 0-2 | -191482 |
| 6sealed | 254 | Olguin, Francisco (1482) | Won 2-0 | +181500 |
| 7sealed | 164 | Castaneda, Maick (1500) | Lost 0-2 | -181482 |
| 8sealed | 175 | Fernandez, Claudio (1525) | Lost 0-2 | -171465 |
| top | average opponent: 1494record: 3-5 | new rating: 1465 | ||