In the November 1984 Word Ways, Alan Frank presented a 7096-point Scrabble game using an unlimited bag of titles. His dictionary of record was Webster's Second, allowing unsanctioned words like BENZDIOXDIAZINE. Here is a 6250-point solution based on Scrabble-sanctioned words from the Official Scrabble Players Dictionary and the 10th edition of Webster's Collegiate Dictionary.
Word Ways: Vol. 32
, Article 15.
Available at: http://digitalcommons.butler.edu/wordways/vol32/iss4/15