Guidi, Ivan
Current rating: 1412
Record: 11-15-2 (GP) / 2-4 (professional)
| Grand Prix Sao Paulo 2009 (ARB standard) | starting rating: 1441 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 80 | Bollati, Matias (1617) | Draw 1-1 | +31444 |
| 4standard | 94 | Falcao, Filipe (1519) | Lost 1-2 | -161428 |
| 5standard | 156 | CORRADI, MAXIMILIANO (1538) | Lost 1-2 | -161412 |
| top | average opponent: 1558record: 0-2-1 | new rating: 1412 | ||
| Pro Tour Berlin 2008 (extended) | starting rating: 1460 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 138 | D'Angella, Stefano (1756) | Won 2-0 | +241484 |
| 2extended | 23 | Valori, Kim (1836) | Lost 0-2 | -121472 |
| 3extended | 118 | Kwang, Sam (1495) | Won 2-1 | +181490 |
| 4extended | 68 | Summereder, Philipp (1655) | Lost 0-2 | -151475 |
| 5extended | 111 | Muller, Isaies (1559) | Lost 0-2 | -161459 |
| 6extended | 159 | Becvar, Nick (1482) | Lost 1-2 | -181441 |
| top | average opponent: 1630record: 2-4 | new rating: 1441 | ||
| Grand Prix Paris 2008 (ALA limited) | starting rating: 1474 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 537 | Lai Kan Thon, William (1500) | Won 2-0 | +191493 |
| 2sealed | 659 | Oberborsch, Benjamin (1544) | Won 2-1 | +191512 |
| 3sealed | 615 | Bernard, Romain (1580) | Won 2-0 | +191531 |
| 4sealed | 573 | Jaglo, Tomasz (1536) | Lost 1-2 | -181513 |
| 5sealed | 619 | Guimaraes, Bruno (1569) | Lost 0-2 | -171496 |
| 6sealed | 710 | Sovago, Philipp (1572) | Lost 1-2 | -171479 |
| 7sealed | 670 | Pichere, Christian (1429) | Lost 1-2 | -191460 |
| top | average opponent: 1533record: 3-4 | new rating: 1460 | ||
| Grand Prix Buenos Aires 2008 (SHM standard) | starting rating: 1530 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 91 | Cespedes, Cristian (1500) | Lost 1-2 | -181512 |
| 3standard | 183 | Gimenez, Luciano (1500) | Lost 1-2 | -191493 |
| 4standard | 236 | Bauckhage, German (1464) | Lost 0-2 | -181475 |
| 5standard | 227 | Authier, Martin (1464) | Won 2-0 | +181493 |
| 6standard | 204 | Torres, Facundo (1465) | Lost 1-2 | -191474 |
| top | average opponent: 1479record: 1-4 | new rating: 1474 | ||
| Grand Prix Porto Alegre 2004 (COK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 114 | Villela, Artur (1554) | Won 2-1 | +191519 |
| 2sealed | 63 | Oliveira Da Silva, Leonardo (1518) | Won 2-0 | +181537 |
| 3sealed | 19 | Betschart, Alejandro (1437) | Lost 0-2 | -201517 |
| 4sealed | 57 | Da Silva, Cassiano (1516) | Won 2-0 | +181535 |
| 5sealed | 39 | Lafuente, Diego (1481) | Won 2-1 | +171552 |
| 6sealed | 29 | Palacios Carvalho, Fernando (1506) | Won 2-0 | +171569 |
| 7sealed | 99 | Lima Cardoso, Filipe (1537) | Draw 1-1 | 01569 |
| 8rochester | 19 | Moreine Thejano, Guilherne (1571) | Lost 1-2 | -181551 |
| 9rochester | 17 | Olejavetzky, Pablo (1497) | Lost 0-2 | -191532 |
| 10rochester | 16 | Dominguez, Alejandro (1537) | Lost 1-2 | -181514 |
| 11rochester | 12 | Rollwagen, Diogo (1469) | Won 2-0 | +171531 |
| 12rochester | 4 | Terra, Hugo (1480) | Won 2-0 | +171548 |
| 13rochester | 13 | carlo bernal schiavi, juan (1552) | Lost 1-2 | -181530 |
| top | average opponent: 1512record: 7-5-1 | new rating: 1530 | ||