Lagerstrom, Marcus
Current rating: 1580
| Grand Prix Copenhagen 2002 (ONS rochester) | starting rating: 1518 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 32 | Naslund, David (1607) | Won 2-1 | +201538 |
| 4sealed | 57 | Timonen, Jussi (1552) | Won 2-0 | +181556 |
| 5sealed | 2 | Courtois, Frederic (1853) | Lost 1-2 | -131543 |
| 6sealed | 25 | Malherbaud, Pierre (1950) | Lost 0-2 | -111532 |
| 7sealed | 79 | Magnusson, Mikael (1561) | Won 2-0 | +191551 |
| 8sealed | 53 | Mueller, Andre (1577) | Won 2-1 | +181569 |
| 9rochester | 17 | Colomb, Julien (1762) | Won 2-1 | +221591 |
| 10rochester | 25 | Polgary, Mikael (1610) | Lost 0-2 | -181573 |
| 11rochester | 24 | Lund, Kim Robin (1519) | Lost 1-2 | -191554 |
| 12rochester | 18 | Malherbaud, Pierre (1920) | Lost 0-2 | -121542 |
| 13rochester | 26 | Pettersson, Thomas (1525) | Won 2-1 | +181560 |
| 14rochester | 26 | Leander, Erik (1641) | Won 2-0 | +201580 |
| top | average opponent: 1673record: 7-5 | new rating: 1580 | ||
| Grand Prix Oslo 2001 (Invasion block) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 118 | Flaaten, Christian (1539) | Lost 0-2 | -181481 |
| 2block | 124 | Kristofer, Hedman (1485) | Won 2-1 | +181499 |
| 3block | 73 | Josefsen, Simen (1481) | Won 2-0 | +181517 |
| 4block | 77 | Kilstrom, Fredrik (1518) | Lost 1-2 | -181499 |
| 5block | 84 | Nilssen, Jan Olav (1501) | Lost 1-2 | -181481 |
| 6block | 90 | Moller, Erlend T. (1533) | Won 2-0 | +191500 |
| 7block | 77 | Rasmussen, Martin (1501) | Won 2-1 | +181518 |
| top | average opponent: 1508record: 4-3 | new rating: 1518 | ||
| Grand Prix Copenhagen 2000 (PCY limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 38 | Remie, Jeroen (1551) | Lost 0-2 | -171483 |
| 3sealed | 108 | Tregaro, Thierry (1500) | Won 1-0 | +181501 |
| 4sealed | 77 | Cedercrantz, Martin (1352) | Won 1-0 | +161517 |
| 5sealed | 70 | Petersen, Jens (1545) | Lost 1-2 | -181499 |
| 6sealed | 93 | Hajnisz, Aleksander (1501) | Won 2-1 | +181517 |
| 7sealed | 44 | Dam, Lars (1490) | Lost 0-2 | -181499 |
| top | average opponent: 1490record: 3-3 | new rating: 1499 | ||