Balcer, Szymon
Current rating: 1520
| Grand Prix Krakow 2019 (M20 limited) | starting rating: 1513 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 473 | Kruszec, Edyta (1381) | Won 2-0 | +151528 |
| 2sealed | 430 | Bignami, Andrea (1771) | Lost 1-2 | -131515 |
| 3sealed | 402 | Buscaglia, Francesco (1450) | Won 2-1 | +161531 |
| 4sealed | 232 | Meier, Michael (1868) | Lost 0-2 | -121519 |
| 5sealed | 289 | Deffent, Peter (1551) | Won 2-0 | +191538 |
| 6sealed | 257 | Radler, Dominik (1539) | Lost 1-2 | -181520 |
| top | average opponent: 1593record: 3-3 | new rating: 1520 | ||
| Grand Prix Strasbourg 2019 (RNA limited) | starting rating: 1467 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 59 | Prevel, Romain (1448) | Won 2-1 | +181485 |
| 2sealed | 144 | Verdier, Thibaud (1516) | Won 2-1 | +191504 |
| 3sealed | 208 | Magalhaes, Hugo (1583) | Lost 0-2 | -171487 |
| 4sealed | 329 | Lippi, Alessandro (1727) | Won 2-0 | +221509 |
| 5sealed | 131 | Riemann, Franz (1536) | Won 2-1 | +191528 |
| 6sealed | 115 | Fernandez, Manuel Alejandro (1678) | Lost 1-2 | -151513 |
| 7sealed | 147 | Mauffret, Ulysse (1517) | Lost 1-2 | -181495 |
| 8sealed | 317 | Vukomanovic, Igor (1490) | Won 2-1 | +181513 |
| top | average opponent: 1562record: 5-3 | new rating: 1513 | ||
| Grand Prix Prague 2019 (UMA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 446 | Ahlers Marino, Jan Marc (1500) | Lost 0-2 | -181482 |
| 2sealed | 1039 | Koltunovskiy, Eugene (1483) | Won 2-0 | +181500 |
| 3sealed | 841 | Freau, Cyrille (1600) | Won 2-1 | +201520 |
| 4sealed | 673 | Bragato, Riccardo (1613) | Lost 1-2 | -161504 |
| 5sealed | 739 | Perez De Vargas, Rafael (1497) | Lost 1-2 | -191485 |
| 6sealed | 823 | Mika, Jakub (1488) | Lost 0-2 | -181467 |
| top | average opponent: 1530record: 2-4 | new rating: 1467 | ||