Kolarski, Piotr
Current rating: 1558
Record: 11-9-1
| Grand Prix Bologna 2016 (modern) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 233 | De Ceglia, Sergio (1500) | Won 2-0 | +181520 |
| 2modern | 145 | Marinuzzi, Lorenzo (1629) | Lost 0-2 | -161504 |
| 3modern | 728 | Locarini, Riccardo (1636) | Won 2-1 | +201524 |
| 4modern | 528 | Dal Col, Simone (1517) | Won 2-0 | +181542 |
| 5modern | 459 | Ruiz Lozano, Ivan (1674) | Won 2-0 | +201562 |
| 6modern | 173 | Matteucci, Mirko (1553) | Won 2-0 | +181580 |
| 7modern | 69 | Dunker, Tomi (1499) | Lost 1-2 | -191561 |
| 8modern | 230 | Ingargiola, Federico (1566) | Won 2-1 | +181579 |
| 9modern | 210 | Gill, Joakim (1565) | Won 2-0 | +171596 |
| 10modern | 100 | Polak-Rottmann, Oliver (2165) | Lost 1-2 | -81588 |
| 11modern | 158 | Cirigliano, Matteo (1819) | Lost 0-2 | -141574 |
| 12modern | 236 | Cuomo, Vittorio (1561) | Lost 1-2 | -181556 |
| 13modern | 286 | Menichetti, Mirko (1539) | Won 2-1 | +171573 |
| 14modern | 203 | Brunner, Christopher (1706) | Lost 1-2 | -151558 |
| average opponent: 1638record: 8-6 | new rating: 1558 | |||
| Grand Prix Krakow 2015 (DTK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 114 | LI, MIN (1500) | Won 2-1 | +181518 |
| 2standard | 184 | Lonnberg, Sixten (1549) | Draw 1-1 | +11519 |
| 3standard | 301 | Nadler, Matthias (1639) | Lost 0-2 | -161503 |
| 4standard | 399 | Karczewski, Marcin (1516) | Lost 1-2 | -181485 |
| 5standard | 469 | Szymanski, Jakub (1484) | Won 2-1 | +181503 |
| 6standard | 366 | Seweryn, Kamil (1502) | Won 2-0 | +181521 |
| 7standard | 277 | Cops, Bram (1449) | Lost 0-2 | -191502 |
| average opponent: 1520record: 3-3-1 | new rating: 1502 | |||