Siwon, Andrzej
Current rating: 1580
| Grand Prix Prague 2016 (legacy) | starting rating: 1546 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 271 | Per, Stavros Abrahamson (1500) | Won 2-0 | +171563 |
| 2legacy | 35 | Janetzki, Maximilian (1534) | Won 2-0 | +171580 |
| 3legacy | 94 | Schneider, Dominik (1683) | Lost 0-2 | -161564 |
| 4legacy | 404 | Gutesa, David (1539) | Draw 1-1 | 01564 |
| 5legacy | 338 | Gerber, Matthias (1459) | Won 2-0 | +161580 |
| 6legacy | 205 | Varady, Balazs (1599) | Won 2-1 | +181598 |
| 7legacy | 130 | Kellock, Thomas (1590) | Lost 0-2 | -181580 |
| 8legacy | 230 | Rehmann, Daniel (1396) | Won 2-0 | +151595 |
| 9legacy | 156 | Kopicka, Ondrej (1441) | Won 2-0 | +151610 |
| 10legacy | 94 | Dezani, Jeremy (2028) | Lost 0-2 | -111599 |
| 11legacy | 157 | Bianchi, Francesco (1508) | Lost 1-2 | -191580 |
| top | average opponent: 1571record: 6-4-1 | new rating: 1580 | ||
| Grand Prix Lille 2015 (legacy) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 46 | Andersson, Gordon (1663) | Lost 0-2 | -151467 |
| 2legacy | 539 | Mohr, Michael (1498) | Won 2-1 | +191486 |
| 3legacy | 484 | Minette, Elodie (1499) | Won 2-1 | +181504 |
| 4legacy | 459 | Nguyen, Patrice (1515) | Won 2-1 | +181522 |
| 5legacy | 196 | Taillon, Mathieu (1409) | Won 2-0 | +161538 |
| 6legacy | 175 | WALLIAN, Nicolas (1555) | Won 2-0 | +181556 |
| 7legacy | 53 | Pedro, Luis (1530) | Won 2-1 | +181574 |
| 8legacy | 52 | Gonzalez, Serafin (1529) | Lost 0-2 | -191555 |
| 9legacy | 114 | Almeras, Xavier (1606) | Won 2-0 | +191574 |
| 10legacy | 43 | Tang, Duncan (1720) | Won 2-0 | +211595 |
| 11legacy | 48 | Tholance, Nicolas (1672) | Lost 0-2 | -171578 |
| 12legacy | 50 | Lopes, Joao (1572) | Lost 0-2 | -181560 |
| 13legacy | 65 | Fortier, Remi (1754) | Lost 1-2 | -151545 |
| 14legacy | 65 | Fischetti, Andrea (1538) | Lost 1-2 | -181527 |
| 15legacy | 74 | Mazzarese, Romain (1563) | Won 2-0 | +191546 |
| top | average opponent: 1575record: 9-6 | new rating: 1546 | ||
| Grand Prix Vienna 2013 (THS standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 113 | Franceschet, Matteo (1515) | Lost 1-2 | -181482 |
| 2standard | 375 | Varga, Philipp (1482) | Won 2-0 | +181500 |
| 3standard | 543 | Prohsaka, Michael (1501) | Won 2-1 | +181518 |
| 4standard | 464 | Kralovic, Petr (1527) | Lost 1-2 | -181500 |
| 5standard | 506 | Roth, Daniel (1461) | Lost 1-2 | -181482 |
| 6standard | 500 | Balanescu, Dan (1485) | Lost 0-2 | -181464 |
| 7standard | 546 | Manuel, Taschl (1463) | Won 2-0 | +181482 |
| top | average opponent: 1490record: 3-4 | new rating: 1482 | ||