Mattsson, ViggoFIDE ID 17717522Games0Wins1Draws0Losses25%ScorePeak rating1884Latest rating1884First seenJul 2, 2026Last seenJul 2, 2026Recent gamesDateWhiteResultBlackEventOpeningJul 2, 2026Mattsson½–½BergdahlRound 5: Mattsson, Viggo - Bergdahl, DanielBird Opening: Dutch VariationJul 2, 2026Olofsson*MattssonRound 4: Olofsson, Henrik - Mattsson, Viggo?