Lidonni, Sergio
Current rating: 1391
| Grand Prix Buenos Aires 2015 (DTK standard) | starting rating: 1397 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 26 | Franceschini, Emilio (1465) | Lost 1-2 | -171380 |
| 2standard | 185 | Fernandez Conde, Juan (1482) | Lost 0-2 | -161364 |
| 3standard | 315 | Ferri zimermann, Flavi (1465) | Won 2-0 | +201384 |
| 4standard | 311 | Seara, Martin (1473) | Won 2-0 | +191403 |
| 5standard | 196 | Cabrera, Facundo (1498) | Won 2-0 | +201423 |
| 6standard | 162 | Andrade, Lucas (1565) | Lost 1-2 | -151408 |
| 7standard | 172 | Sambre, Emiliano (1501) | Lost 0-2 | -171391 |
| top | average opponent: 1493record: 3-4 | new rating: 1391 | ||
| Grand Prix Sao Paulo 2015 (DTK standard) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 518 | Marcilio, Giovanni (1463) | Lost 1-2 | -181428 |
| 2standard | 397 | Lopes de Bei, Raphael (1482) | Won 2-1 | +191447 |
| 3standard | 312 | Franhan, Julian (1500) | Won 2-1 | +191466 |
| 4standard | 144 | dos Santos, Fabio (1558) | Lost 1-2 | -171449 |
| 5standard | 425 | Pareto Gomes, Daniel (1500) | Lost 1-2 | -171432 |
| 6standard | 388 | Oliveira Carneiro, Ulisses (1424) | Lost 1-2 | -181414 |
| 7standard | 381 | Tanaka, Thiago Augusto (1449) | Lost 0-2 | -171397 |
| top | average opponent: 1482record: 2-5 | new rating: 1397 | ||
| Grand Prix Buenos Aires 2014 (BNG standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 259 | Uehara, Kiyoshi (1500) | Lost 1-2 | -181482 |
| 2standard | 264 | Garcia, Pablo (1449) | Draw 1-1 | -11481 |
| 3standard | 358 | Sanabria, Marcelo (1483) | Won 2-0 | +181499 |
| 4standard | 277 | Azanero, Franz (1516) | Lost 0-2 | -171482 |
| 5standard | 334 | mussi, damian (1488) | Lost 0-2 | -181464 |
| 6standard | 333 | Carrizo, Ivan Alejandro (1446) | Lost 0-2 | -181446 |
| top | average opponent: 1481record: 1-4-1 | new rating: 1446 | ||