I was Tennin vs. Ken Tenma. Because of his hilarious rig (Always Be Running, Endless Hunger, and Faust with e3) and very poorly timed agendas from R&D, I had pretty much no chance of winning after 6-7 turns. He scored 6 points (2 global food initiatives), I had 4 agendas in hand, one discarded in archives, and the last agenda in R&D. I had Eli, Assassin, and Ashigaru on HQ with Caprice Nisei protecting it. For 12-15 turns in a row, he ran HQ (trashing a card in play, trashing a few from hand, and paying a few credits), and lost caprice Psi games over and over. All I did on my turn was mandatory draw and take 3 credits. The match took 55 minutes of our 65 minute round. When the game finally ended (surprise surprise I lost) we shuffled quickly and as runner I faceplanted a Komainu last click on my first turn and died to a Neural EMP.
I'd love to say I didn't get tilted because typically I don't get too mad about losing in Netrunner. I don't think it was about losing, but more just having to endure a truly unwinnable situation for that long, and then as a result of time constraints carelessly killing myself on the first turn. That was easily the least enjoyable match I've ever had in a tournament.
edit: oh, this really doesn't answer your question. I guess the answer is "a mix of Caprice Nisei, a really poor conceived deck, and my unwillingness to install an agenda in a new server and just let him fucking score it".