Maciejewski, Maciej
Current rating: 1490
Record: 18-18-2
| Grand Prix Cardiff 2006 (GPT limited) | starting rating: 1528 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 58 | Paschali, Chris (1500) | Won 2-1 | +181546 |
| 2sealed | 51 | Bond, Antony (1519) | Won 0-0 | +171563 |
| 3sealed | 118 | Ogbechi, Nnamdi (1502) | Lost 1-2 | -191544 |
| 4sealed | 63 | Costa, Frederico (1623) | Lost 0-2 | -171527 |
| 5sealed | 120 | Samra, Baljeet (1501) | Lost 0-2 | -181509 |
| 6sealed | 128 | Wheeler, Dominic (1485) | Lost 0-2 | -191490 |
| top | average opponent: 1522record: 2-4 | new rating: 1490 | ||
| Grand Prix Copenhagen 2005 (extended) | starting rating: 1529 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 90 | Laizans, Aleksejs (1532) | Won 2-0 | +191548 |
| 2extended | 38 | Jensen, Marten (1624) | Draw 1-1 | +11549 |
| 3extended | 50 | Merkel, Jan-Moritz (1539) | Won 2-1 | +181567 |
| 4extended | 57 | Ottovordemgentschenfelde, Rolf (1505) | Lost 0-2 | -191548 |
| 5extended | 84 | Kiourtsoglou, Dimitris (1516) | Lost 0-2 | -191529 |
| 6extended | 101 | Jorgensen, Rune (1497) | Won 2-0 | +171546 |
| 7extended | 79 | Lautrup, Henrik (1549) | Draw 1-1 | 01546 |
| 8extended | 80 | Nymann, Mikkel (1521) | Lost 0-2 | -181528 |
| top | average opponent: 1535record: 3-3-2 | new rating: 1528 | ||
| Grand Prix Munich 2003 (MRD limited) | starting rating: 1573 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 88 | Pontonnier, Julien (1517) | Won 2-1 | +171590 |
| 2sealed | 77 | Eckl, Sebastian (1668) | Lost 0-2 | -171573 |
| 3sealed | 228 | Hajek, Piotr (1568) | Lost 0-2 | -181555 |
| 4sealed | 380 | Zombori, Csaba (1411) | Lost 0-2 | -201535 |
| 5sealed | 389 | Brotzmann, Hendrik (1449) | Lost 1-2 | -201515 |
| 6sealed | 332 | Wusowski, Daniel (1446) | Won 2-0 | +171532 |
| 7sealed | 249 | Kirschner, Florian (1465) | Won 2-1 | +171549 |
| 8sealed | 196 | Zigala, Martin (1488) | Lost 0-2 | -201529 |
| top | average opponent: 1502record: 3-5 | new rating: 1529 | ||
| Grand Prix Heidelberg 2002 (TOR limited) | starting rating: 1544 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 156 | Koppen, Marko (1500) | Won 2-0 | +171561 |
| 2sealed | 194 | Platzer, Lubos (1520) | Won 2-0 | +171578 |
| 3sealed | 55 | Tarp, Ulrik (1565) | Lost 0-2 | -181560 |
| 4sealed | 237 | Moritz, Augustin (1518) | Won 2-0 | +171577 |
| 5sealed | 102 | Selchow, Sandro (1536) | Lost 1-2 | -191558 |
| 6sealed | 174 | Loeber, Gerrit-Alwis (1486) | Won 2-0 | +171575 |
| 7sealed | 108 | Hernandez, Mark Antoine (1471) | Won 2-0 | +161591 |
| 8sealed | 50 | Albrecht, Jens (1581) | Lost 0-2 | -181573 |
| top | average opponent: 1522record: 5-3 | new rating: 1573 | ||
| Grand Prix Warsaw 2001 (Invasion block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 96 | Kowalski, Przemyslaw (1500) | Won 2-1 | +181518 |
| 2block | 50 | Zalejski, Michal (1500) | Won 2-0 | +181536 |
| 3block | 21 | Fiore, Stefano (1804) | Lost 1-2 | -141522 |
| 4block | 45 | Chmielewski, Slawomir (1501) | Won 2-1 | +181540 |
| 5block | 28 | Sandlak, Marcin (1537) | Won 2-0 | +181558 |
| 6block | 15 | Markin, Yuri (1696) | Lost 0-2 | -151543 |
| 7block | 52 | Burak, Daniel (1540) | Won 2-0 | +171560 |
| 8block | 42 | Ciszek, Adrian (1620) | Lost 1-2 | -161544 |
| top | average opponent: 1587record: 5-3 | new rating: 1544 | ||