Piotrowski, Adam
Current rating: 1645
Record: 28-21-2
| Grand Prix Brussels 2020 (pioneer) | starting rating: 1557 | |||
| round | table | opponent (rating) | result | Δrating |
| 2pioneer | 165 | Ruegg, Lukas (1380) | Won 2-1 | +151572 |
| 3pioneer | 354 | Radosz, Wojciech (1720) | Lost 0-2 | -161556 |
| 4pioneer | 328 | Redlich, Malte (1481) | Won 2-0 | +171573 |
| 5pioneer | 367 | Baldinelli, Simone (1486) | Lost 1-2 | -201553 |
| 6pioneer | 141 | Harre, Martin (1508) | Won 2-0 | +181571 |
| 7pioneer | 269 | Dubourg, Emeric (1489) | Won 2-0 | +161587 |
| 8pioneer | 178 | Matthies, Mario (1792) | Won 2-1 | +221609 |
| 9pioneer | 80 | Barclay, Bradley (1882) | Won 2-1 | +231632 |
| 10pioneer | 76 | Coutinho, Filipe (1633) | Won 2-0 | +181650 |
| 11pioneer | 36 | Lenz, Manuel (2026) | Lost 0-2 | -121638 |
| 12pioneer | 55 | Manchado, Alberto (2028) | Lost 0-2 | -111627 |
| 13pioneer | 84 | Potts, Dom (1568) | Won 2-0 | +171644 |
| 14pioneer | 82 | Andrew, James (1669) | Won 2-0 | +181662 |
| 15pioneer | 67 | Mazza, Raffaele (1672) | Lost 1-2 | -171645 |
| top | average opponent: 1667record: 9-5 | new rating: 1645 | ||
| Grand Prix Prague 2019 (UMA limited) | starting rating: 1577 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1016 | Bentinck, Will (1416) | Won 2-0 | +151592 |
| 2sealed | 644 | Weber, Robert (1572) | Lost 1-2 | -181574 |
| 3sealed | 871 | Nikov, Martin (1582) | Lost 0-2 | -181556 |
| 4sealed | 996 | Jahoda, Petr (1512) | Won 2-1 | +171573 |
| 5sealed | 837 | Caillaba, Germain (1663) | Lost 0-2 | -161557 |
| top | average opponent: 1549record: 2-3 | new rating: 1557 | ||
| Grand Prix Warsaw 2018 (GRN limited) | starting rating: 1593 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 413 | Nester, Sergii (1486) | Lost 0-2 | -201573 |
| 2sealed | 484 | Zaccarelli, Raffaele (1509) | Lost 0-2 | -191554 |
| 3sealed | 818 | Pelekanos, Vangelis (1418) | Lost 0-2 | -201534 |
| 4sealed | 840 | Isaksson, Marcus (1307) | Won 2-0 | +141548 |
| 5sealed | 778 | Lebedevs, Aleksandrs (1461) | Won 2-0 | +161564 |
| 6sealed | 632 | Otte, Phillip (1439) | Won 2-1 | +161580 |
| 7sealed | 523 | Clouet, Yann (1565) | Lost 1-2 | -191561 |
| 8sealed | 448 | Roache, Ryan (1439) | Won 2-0 | +161577 |
| top | average opponent: 1453record: 4-4 | new rating: 1577 | ||
| Grand Prix Warsaw 2017 (XLN standard) | starting rating: 1460 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 89 | Sucic, Stjepan (1834) | Won 2-1 | +251485 |
| 2standard | 168 | Ryba, Martin (1433) | Lost 1-2 | -191466 |
| 3standard | 343 | Daunis, Aurore (1537) | Won 2-1 | +191485 |
| 4standard | 299 | Swales, Wull (1384) | Lost 0-2 | -201465 |
| 5standard | 429 | Zajac, Mariusz (1504) | Won 2-0 | +191484 |
| 6standard | 370 | Salonen, Tatu (1523) | Won 2-0 | +191503 |
| 7standard | 174 | Peinado, Javier (1519) | Draw 1-1 | 01503 |
| 8standard | 204 | Aaliste, Emil Samuel (1546) | Won 2-1 | +191522 |
| 9standard | 137 | Kuisma, Matti (1761) | Won 2-1 | +221544 |
| 10standard | 84 | Taling, Mark (1583) | Won 2-1 | +191563 |
| 11standard | 52 | Sevaux, Yoann (1797) | Won 2-1 | +221585 |
| 12standard | 35 | Roman, Valentin (1680) | Lost 1-2 | -161569 |
| 13standard | 64 | Rozakeas, Socrates (1735) | Won 2-0 | +211590 |
| 14standard | 43 | Matych, Adrian (1694) | Won 2-0 | +201610 |
| 15standard | 28 | Pizarro, Pol (1700) | Lost 1-2 | -171593 |
| top | average opponent: 1615record: 10-4-1 | new rating: 1593 | ||
| Grand Prix Prague 2017 (AER limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 272 | Marcatti, Mathia (1384) | Lost 0-2 | -201480 |
| 2sealed | 538 | Willmann, Philipp (1499) | Won 2-1 | +181498 |
| 3sealed | 611 | Czapski, Mateusz (1391) | Draw 1-1 | -21496 |
| 4sealed | 654 | Kotiranta, Tuomas (1624) | Won 2-0 | +211517 |
| 5sealed | 449 | Durovic, Michal (1513) | Lost 1-2 | -181499 |
| 6sealed | 612 | Gergo, Tamas (1405) | Lost 1-2 | -201479 |
| 7sealed | 680 | Dabrowski, Michal (1423) | Won 2-1 | +171496 |
| 8sealed | 553 | Dujic, Goran (1500) | Lost 0-2 | -181478 |
| 9sealed | 548 | Schulz, Daniel (1495) | Lost 0-2 | -181460 |
| top | average opponent: 1470record: 3-5-1 | new rating: 1460 | ||