Garczynski, Marcin
Current rating: 1562
Record: 13-11
| Grand Prix Warsaw 2018 (GRN limited) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 57 | Berkemeier, Christian (1731) | Won 2-0 | +231504 |
| 2sealed | 79 | Kopec, Mateusz (1743) | Lost 1-2 | -141490 |
| 3sealed | 729 | Prorokov, Grigory (1499) | Won 2-0 | +181508 |
| 4sealed | 277 | Fosca, Dario (1533) | Won 2-0 | +191527 |
| 5sealed | 233 | Zeggio, Riccardo (1565) | Lost 0-2 | -181509 |
| 6sealed | 348 | Lauter, Michael (1529) | Won 2-0 | +191528 |
| 7sealed | 338 | Jalaksa, Filip (1681) | Won 2-0 | +201548 |
| 8sealed | 228 | Rudenko, Heorhii (1573) | Won 2-1 | +191567 |
| 9sealed | 149 | Petruska, Tomas (1804) | Won 2-1 | +221589 |
| 10draft | 360 | Di Pancrazio, Marc (1647) | Lost 1-2 | -171572 |
| 11draft | 351 | Ward, Peter (1897) | Lost 1-2 | -121560 |
| 12draft | 266 | Holst, Sebastian (1564) | Lost 1-2 | -181542 |
| 13draft | 353 | Petersen, William (1557) | Won 2-0 | +181560 |
| 14draft | 359 | Chernobryvchenko, Mikhail (1704) | Lost 1-2 | -151545 |
| 15draft | 350 | Tzelepis, Stavros (1505) | Won 2-1 | +171562 |
| average opponent: 1635record: 9-6 | new rating: 1562 | |||
| Grand Prix Krakow 2007 (LRW standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 527 | Andrzejewski, Jakub (1500) | Lost 1-2 | -181482 |
| 2standard | 642 | Baldessari, Giovanni (1482) | Won 1-0 | +181500 |
| 3standard | 635 | Skrypov, Igor (1499) | Lost 0-2 | -181482 |
| 4standard | 685 | Moss, Chris J (1483) | Won 2-0 | +181500 |
| 5standard | 619 | Kaksa, Matija (1500) | Lost 1-2 | -181482 |
| 6standard | 661 | Pytloun, Ludek (1487) | Won 2-1 | +181500 |
| 7standard | 623 | Pischner, Andreas (1583) | Lost 0-2 | -161484 |
| 8standard | 613 | Merlet, Cedric (1350) | Lost 1-2 | -211463 |
| 9standard | 614 | Szczepkowski, Michal (1465) | Won 2-1 | +181481 |
| average opponent: 1483record: 4-5 | new rating: 1481 | |||