The new Scrabble math, down 21 at Diesel, up 33 at Bloc 11

Has it really been three years since I repaired a Scrabble set? Such slacking, I’m appalled at myself. The other day I met up with trademarkable JeffCuter(TM) at Diesel Cafe and later had a nice game of Scrabble with the estimable J, who beat me by three points...