Kubin, PetrFIDE ID 3250401Games0Wins1Draws0Losses50%ScorePeak rating1933Latest rating—First seen—Last seen—Recent gamesDateWhiteResultBlackEventOpening—Caletka½–½KubinRound 1: Caletka, Radomir - Kubin, PetrDutch Defense: Leningrad Variation, Matulovic Variation