Peck, Marcus
Current rating: 1517
Record: 4-3
| Grand Prix Prague 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 608 | Krejci, Radek (1457) | Won 2-1 | +171517 |
| 2modern | 365 | Skovgaard, Kaare (1501) | Lost 1-2 | -181499 |
| 3modern | 713 | Kordovan, Daniel (1506) | Won 2-1 | +181517 |
| 4modern | 362 | Rosolek, Arkadiusz (1544) | Won 2-1 | +191536 |
| 5modern | 370 | Kosiciar, Patrik (1517) | Won 2-1 | +171553 |
| 6modern | 65 | Tollenaar, Xandor (1627) | Lost 1-2 | -161537 |
| 7modern | 201 | Gast, Andy (1473) | Lost 0-2 | -201517 |
| average opponent: 1518record: 4-3 | new rating: 1517 | |||