Szymiec, Wiktor
Current rating: 1496
Record: 13-15
| Grand Prix Warsaw 2018 (GRN limited) | starting rating: 1530 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 380 | Bertiou, Simon (1797) | Won 2-1 | +231553 |
| 2sealed | 103 | Felding, Thomas (1554) | Lost 1-2 | -181535 |
| 3sealed | 747 | Salzmann, Tim (1538) | Lost 1-2 | -181517 |
| 4sealed | 816 | Munoz, Raul (1382) | Lost 1-2 | -211496 |
| top | average opponent: 1568record: 1-3 | new rating: 1496 | ||
| Grand Prix Krakow 2015 (DTK standard) | starting rating: 1518 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 168 | Darras, Alexandre (1760) | Won 2-1 | +221540 |
| 4standard | 140 | Poier, Jaspar (1591) | Won 2-1 | +191559 |
| 5standard | 514 | Zatlkaj, Matej (2043) | Lost 0-2 | -101549 |
| 6standard | 93 | Kapera, Krzysztof (1547) | Lost 0-2 | -181531 |
| 7standard | 231 | Hacker, Christoph (1468) | Won 2-1 | +171548 |
| 8standard | 142 | Li, Bo 4944 (1548) | Lost 0-2 | -181530 |
| top | average opponent: 1659record: 3-3 | new rating: 1530 | ||
| Grand Prix Warsaw 2014 (JOU limited) | starting rating: 1528 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 196 | Sonakowski, Jakub (1500) | Lost 1-2 | -181510 |
| 2sealed | 246 | Henriques, Bernardo (1484) | Won 2-1 | +171527 |
| 3sealed | 308 | Vesely, Mikulas (1669) | Won 2-0 | +211548 |
| 4sealed | 93 | Johansson, Alexander (1518) | Won 2-1 | +171565 |
| 5sealed | 10 | Sados, Marcin (1670) | Won 2-1 | +201585 |
| 6sealed | 89 | Bonaventura, Ciro (1769) | Lost 1-2 | -141571 |
| 7sealed | 180 | Mos, Michal (1636) | Lost 0-0 | -171554 |
| 8sealed | 311 | Viniczai, Tibor (1596) | Lost 1-2 | -171537 |
| 9sealed | 228 | Jandak, Jakub (1482) | Lost 1-2 | -191518 |
| top | average opponent: 1591record: 4-5 | new rating: 1518 | ||
| Grand Prix Warsaw 2013 (M14 standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 41 | Surynek, Tomas T (1567) | Won 2-0 | +191519 |
| 2standard | 174 | Wang, Ruofan (1518) | Won 2-0 | +181537 |
| 3standard | 140 | Sistek, Martin (1480) | Lost 0-2 | -191518 |
| 4standard | 346 | Tapia Becerra, Felipe (2014) | Lost 0-2 | -91509 |
| 5standard | 407 | Gustafson, Lasse (1484) | Won 2-0 | +171526 |
| 6standard | 205 | Korotko, Pawel (1526) | Won 2-1 | +181544 |
| 7standard | 140 | Mund, Benjamin (1567) | Lost 0-2 | -181526 |
| 8standard | 245 | Lucas, Gertjan (1483) | Won 2-1 | +181544 |
| 9standard | 199 | Milis, Michael (1692) | Lost 0-2 | -161528 |
| top | average opponent: 1592record: 5-4 | new rating: 1528 | ||