Piotti, Lucas
Current rating: 1486
Record: 6-7-1
| Grand Prix Buenos Aires 2014 (BNG standard) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 21 | Lin, Andres L (1500) | Won 2-0 | +191500 |
| 2standard | 144 | Sarnago, Santiago (1580) | Draw 1-1 | +11501 |
| 3standard | 182 | Rivas, Nicolas (1521) | Won 2-1 | +191520 |
| 4standard | 103 | Medeiros, Nicholas A (1597) | Lost 1-2 | -171503 |
| 5standard | 183 | Guzman, Francisco (1535) | Lost 1-2 | -171486 |
| average opponent: 1547record: 2-2-1 | new rating: 1486 | |||
| Grand Prix Santiago 2013 (THS standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 152 | Valdivieso, Jorge (1500) | Won 2-0 | +181518 |
| 2modern | 146 | Alaggia, German A (1577) | Lost 1-2 | -171501 |
| 3modern | 182 | Guerrero, Alvaro (1552) | Lost 1-2 | -171484 |
| 4modern | 281 | Barrera, Roberto (1483) | Won 2-0 | +181502 |
| 5modern | 229 | Cubillos Rios, Jorge (1469) | Won 2-1 | +171519 |
| 6modern | 164 | Voynes, Emanuel Kren (1518) | Won 2-1 | +181537 |
| 7modern | 89 | Morales, Nicolas (1508) | Lost 0-2 | -181519 |
| 8modern | 138 | Rojas, Carlos (1433) | Lost 0-2 | -201499 |
| 9modern | 166 | Bustamante, Manuel (1504) | Lost 0-2 | -181481 |
| average opponent: 1505record: 4-5 | new rating: 1481 | |||