Buczkowski, Sylwester
Current rating: 1438
Record: 6-10
| Grand Prix Warsaw 2014 (JOU limited) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 209 | Brandt, Sebastian (1523) | Won 2-1 | +181503 |
| 2sealed | 169 | Gerhardt, Rostislav (1482) | Lost 0-2 | -181485 |
| 3sealed | 399 | Piskorz, Jan (1516) | Won 2-0 | +181503 |
| 4sealed | 139 | Karczewski, Marcin (1510) | Lost 1-2 | -171486 |
| 5sealed | 351 | Hacker, Christoph (1505) | Lost 0-2 | -181468 |
| 6sealed | 348 | De Rosa, Antonino (1888) | Lost 0-2 | -111457 |
| 7sealed | 333 | Dadel, Przemyslaw (1383) | Lost 0-0 | -191438 |
| average opponent: 1544record: 2-5 | new rating: 1438 | |||
| Grand Prix Warsaw 2013 (M14 standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 61 | Sikora, Mateusz (1482) | Lost 1-2 | -181482 |
| 2standard | 228 | Pietkiewicz, Tomasz (1495) | Lost 0-2 | -181464 |
| 3standard | 395 | Redzikowski, Maciej (1464) | Won 2-0 | +181482 |
| 4standard | 462 | Pinkwart, Wiktor (1483) | Won 2-0 | +181500 |
| 5standard | 366 | Jessen, Kristian (1620) | Lost 0-2 | -161484 |
| 6standard | 366 | Serdtsev, Leonid (1432) | Lost 0-2 | -191465 |
| 7standard | 389 | Skubik, Marcin (1463) | Won 2-1 | +181483 |
| 8standard | 303 | Stendel, Sonja (1579) | Won 2-1 | +201503 |
| 9standard | 227 | Drzewinski, Marcin (1486) | Lost 0-2 | -181485 |
| average opponent: 1500record: 4-5 | new rating: 1485 | |||