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+The Kashdan tiebreak is a tiebreak which uses a pattern that praises playing above not playing. The pattern is to award 4 points for a win, 2 for a draw, 1 for a loss and 0 for not playing/bye. In Pairtwo however, the calculated pattern seems incorrect and seems to be implemented as 3-1-0 (same like football/soccer).
+
+After a search for answers this appears to a wrong implementation as the [USCF handbook](http://www.uschess.org/docs/gov/chessrules/US_Chess_Rule_Book_Chapter_2_v7.0.pdf) does not mention this way of calculating.
+
+```
+4E7. Kashdan.
+
+This system rewards aggressive play by scoring 4 tiebreak points for a win, 2 for a draw, 1 for a loss, and 0 for an unplayed game. Note that if players with no unplayed games tie, the one with fewer draws will come out ahead.
+```
+
+To avoid issues I decided to hold the official calculation and write this guide. I might end up add a new tie break Soccer-Kashdan which calculates by 3-1-0.
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