EXR

    Keywords: Rules, Tournament

The tiebreaker EXR stands for Exploits Reussis (difficulties overcome). Its idea is to measure the difficulty of the games played by one player. It is used in OpenGotha

We take AH, the actual number of handicap stones used. We take NH, the natural number of handicap stones. Then we calculate the co-efficient (C) for each won game via the following rules.

  • if AH < NH then C = 0
  • if AH = NH then C = 1
  • if AH = NH + 1 then C = 2
  • if AH >= NH + 2 then C = 3

EXR is then ,for victories only, the sum of: C times the SOS of the opponent.

See also EXT


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