Grajewski, Bartosz
Current rating: 1479
Record: 15-19
| Grand Prix Prague 2017 (AER limited) | starting rating: 1524 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 326 | Petersen, Andreas (1724) | Won 2-0 | +211545 |
| 4sealed | 147 | Harding, Tommy (1563) | Lost 1-2 | -171528 |
| 5sealed | 159 | Lupalo, Kirill (1629) | Lost 1-2 | -171511 |
| 6sealed | 329 | Lenglet, Maxime (1653) | Lost 1-2 | -151496 |
| 7sealed | 651 | Lukaszek, Mateusz (1541) | Lost 0-2 | -171479 |
| top | average opponent: 1622record: 1-4 | new rating: 1479 | ||
| Grand Prix Warsaw 2016 (KLD standard) | starting rating: 1523 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 33 | Parot, Ignacio (1748) | Won 2-1 | +221545 |
| 4standard | 14 | Scheinecker, Tobias (1524) | Lost 1-2 | -181527 |
| 5standard | 181 | Noorlander, Niels (1844) | Lost 1-2 | -131514 |
| 6standard | 220 | Groot, Wessel (1620) | Lost 1-2 | -161498 |
| 7standard | 328 | Kondilis, Anthony (1539) | Won 2-0 | +191517 |
| 8standard | 201 | Skowera, Tomasz (1511) | Won 2-0 | +181535 |
| 9standard | 188 | Depraz, Jean-Emmanuel (1912) | Lost 0-2 | -111524 |
| top | average opponent: 1671record: 3-4 | new rating: 1524 | ||
| Grand Prix Paris 2016 (OGW standard) | starting rating: 1516 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 273 | Gerbersdorf, Viktor (1729) | Won 2-0 | +221538 |
| 4standard | 87 | Del Basso, Federico (1786) | Lost 0-2 | -141524 |
| 5standard | 328 | Thorhallsson, Vilhjalmur (1694) | Won 2-1 | +221546 |
| 6standard | 142 | Garrido, Victor (1513) | Won 2-0 | +171563 |
| 7standard | 39 | Luft, Benjamin (1576) | Lost 1-2 | -181545 |
| 8standard | 102 | Prinzell, Johan (1747) | Lost 1-2 | -141531 |
| 9standard | 224 | Delannoy, Thomas (1537) | Won 2-1 | +181549 |
| 10standard | 188 | Antoniou, Daniel (1854) | Lost 0-2 | -131536 |
| 11standard | 208 | Parazzoli, Dario (1587) | Lost 1-2 | -171519 |
| 12standard | 198 | Mancuso, Antonino (1565) | Lost 0-2 | -171502 |
| 13standard | 197 | Lamoureux, Clement (1472) | Lost 0-2 | -181484 |
| 14standard | 178 | Cadinot, Julien (1636) | Won 2-0 | +201504 |
| 15standard | 163 | van der Burgh, Rob (1554) | Won 2-1 | +191523 |
| top | average opponent: 1635record: 6-7 | new rating: 1523 | ||
| Grand Prix Prague 2015 (ORI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 35 | Hlavac, Miroslav (1471) | Lost 0-2 | -191481 |
| 2standard | 509 | Kotzerke, Matthias (1468) | Lost 0-2 | -181463 |
| 3standard | 690 | Salazar Gonzales, Jorge Alberto (1515) | Lost 0-2 | -171446 |
| 4standard | 699 | Nemec, Daniel (1449) | Lost 0-2 | -181428 |
| 5standard | 660 | Havlicek, Drahomir (1402) | Won 2-1 | +181446 |
| 6standard | 572 | Grudzinska, Karolina (1445) | Won 2-0 | +181464 |
| 7standard | 471 | Czapla, Tadeusz (1464) | Won 2-0 | +181482 |
| 8standard | 370 | Kofer, Marie-Theres (1489) | Won 2-0 | +181500 |
| 9standard | 269 | da Silva, Cesar (1410) | Won 2-0 | +161516 |
| top | average opponent: 1457record: 5-4 | new rating: 1516 | ||