Pieszko, Tommy D
Current rating: 1503
Record: 4-4
| Grand Prix Warsaw 2013 (M14 standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 96 | Lewandowska, Ola (1500) | Won 2-0 | +181518 |
| 2standard | 64 | Bury, Bartosz (1500) | Won 2-1 | +181536 |
| 3standard | 33 | Scherpenzeel, Dennis (1541) | Lost 1-2 | -181518 |
| 4standard | 227 | Westberg, Jon [SWE] (1752) | Lost 0-2 | -141504 |
| 5standard | 298 | Myszkowiak, Maciej (1561) | Won 2-0 | +191523 |
| 6standard | 240 | Vincent, Guillaume (1508) | Won 2-0 | +181541 |
| 7standard | 99 | Strobl, Manuel (1436) | Lost 0-2 | -201521 |
| 8standard | 235 | Pilorz, Michal (1521) | Lost 1-2 | -181503 |
| average opponent: 1540record: 4-4 | new rating: 1503 | |||