The "I know the rules" was a reply to my suggestion to read the rules about gammons and backgammons, because the resignations suggested that this part of the game was not understood. Now that I know that he wanted to end the match as quickly as possible, I understand that the funny resignations (starting at game #1, where the 3-0 to 21 he gave me was wery unlikely...) had nothing to do with the understanding of the the rules. But to answer my misplaced (but friendly) suggestion with a hint about me cheating with programs is way over the line.
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