"I just wasn't fast enough," said Nguyen, a 23-year-old engineer from Pennsylvania. Asked how it felt to take second place, he was clearly disappointed: "I just got beaten by a teenage girl, but you know." Tirosh, who said she practiced with her friend and trainer Amy, who threw out random words or symbols and even motivational Buddhist quotes, admitted to feeling a certain pressure due to the home side advantage. Wearing a satin boxing robe before her championship bout against Pozgar, she said success would come down to who could marry lightning speed and accuracy. "It's about balance." She said she owed her success to relaxation and deep breathing. So dedicated is she to the art that Tirosh apparently unwittingly uses abbreviations such as BTW (by the way), TTYL (talk to you later) and LOL (laughing out loud) in her normal speech. In a tense championship final, Tirosh seemed to have won only for judges to rule she had made a 15,000-dollar error....