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CUSS
Keywords: Tournament
CUSS (CUmulative Sum of Scores) is a possible tie breaker in McMahon or Swiss System tournaments and is calculated as the sum of the scores a player had after each round of the tournament. CUSS is approximating the expected SOS of a player. Example (three rounds): A player won his first game but lost the second and the third, then his CUSS is 3 points (1 point after the first round + 1 point after the second round + 1 point after the third round = 3). A player lost the first two rounds but won the third round, then his CUSS is 1 point (0 points after the first round + 0 points after the second round + 1 point after the third round = 1). A player won all three rounds, then his CUSS is 6 points (1 point after the first round + 2 points after the second round + 3 points after the third round = 6). Historical note: Several years ago CUSS was in use at EGF tournaments for a short period to eliminate the possibility of a player affecting the SOS of his opponents by intentional losing all is following games in order to reduce the chances of his opponents to finish at a good place. Why should he do so? Because he has a friend who has chances to finish at a good place too - and earn some prize money. Drawbacks of CUSS: CUSS is not used in any tournaments any more. It's because it does not really reflect the average strength of the opponents. With CUSS playing a weak opponent in early rounds of the tournament means an easy win without the drawback of getting bad SOS. The influence of the draw is too big to be acceptable. This is a copy of the living page "CUSS" at Sensei's Library. ![]() |