Drzewinski, Marcin
Current rating: 1432
| Grand Prix Krakow 2015 (DTK standard) | starting rating: 1486 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 144 | Szwichtenberg, Bartlomiej (1450) | Won 2-0 | +171503 |
| 2standard | 11 | Kunachowicz, Piotr (1521) | Draw 1-1 | +11504 |
| 3standard | 294 | Huke, Lothar (1488) | Draw 1-1 | -11503 |
| 4standard | 395 | Chiappetta, Francesco (1519) | Lost 0-2 | -171486 |
| 5standard | 459 | Trejtnar, Andreas (1573) | Lost 1-2 | -171469 |
| 6standard | 458 | Defour, Florian (1427) | Lost 0-2 | -191450 |
| 7standard | 408 | Kozlowski, Chris (1428) | Lost 0-2 | -181432 |
| 8standard | 347 | FILIP, TURCZYNSKI (1446) | Won 2-0 | +181450 |
| 9standard | 286 | Wieczorek, Piotr (1430) | Lost 0-2 | -181432 |
| top | average opponent: 1476record: 2-5-2 | new rating: 1432 | ||
| Grand Prix Warsaw 2014 (JOU limited) | starting rating: 1504 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 67 | Matusiak, Radoslaw (1500) | Draw 1-1 | 01504 |
| 2sealed | 232 | Sulkowski, Piotr (1527) | Won 2-1 | +181522 |
| 3sealed | 156 | Drost, Hans (1533) | Lost 0-2 | -171505 |
| 4sealed | 331 | Paciocco, Andrea (1508) | Lost 0-2 | -181487 |
| 5sealed | 383 | Valaitis, Mindaugas (1479) | Won 2-1 | +181505 |
| 6sealed | 307 | Przywecka, Anna (1390) | Won 2-0 | +151520 |
| 7sealed | 224 | Niegowski, Arkadiusz (1522) | Lost 0-0 | -181502 |
| 8sealed | 251 | Faggin, Ari (1587) | Lost 0-2 | -161486 |
| top | average opponent: 1506record: 3-4-1 | new rating: 1486 | ||
| Grand Prix Warsaw 2013 (M14 standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 205 | Spanier, Joe (1750) | Lost 0-2 | -141486 |
| 3standard | 216 | Jastrzebowski, Piotr (1499) | Lost 1-2 | -171469 |
| 4standard | 453 | Saul, Philip (1387) | Won 2-0 | +161485 |
| 5standard | 372 | Grabowski, Andrzej (1500) | Lost 1-2 | -181467 |
| 6standard | 413 | Zakroczymski, Antoni (1481) | Lost 1-2 | -171450 |
| 7standard | 368 | Zagajewski, Mateusz (1431) | Won 2-0 | +171467 |
| 8standard | 304 | Stanny, Mateusz (1487) | Won 2-0 | +191486 |
| 9standard | 227 | Buczkowski, Sylwester (1503) | Won 2-0 | +181504 |
| top | average opponent: 1505record: 4-4 | new rating: 1504 | ||