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How does a Round-Robin Knock-Out tournament work?
How does a Round-Robin Knock-Out tournament work?
Updated over a week ago

A knock-out takes place when there are too many players to play a single-round Round-Robin.

In a knock-out the players are put into smaller groups and then the winner(s) of that group are combined with winners of other groups to form a new group. The winner(s) of the final group are the winner(s) of the entire tournament.

An example of a small round-robin is shown below.

1

2

3

4

Points

Tie Break

1. Player 1 (1200)

X

½ - 1

1 -½

1 -1

5

11.5

2. Player 2 (1200)

0 -½

X

0 - 1

1 - ½

3

7.5

3. Player 3 (1200)

½ - 0

0 - 1

X

0 -½

2

6.5

4. Player 4 (1200)

0 - 0

½ - 0

½ - 1

X

2

4.5


Round-robin is very effective because each player plays every other player and then the winner is determined by the score. However, in most tournaments there are too many players to have single round, and a knock-out format is used.

The number of players that advance is selected by the Tournament Director at the start of the tournament. It might be that only one player from each group advances, or it might be more.

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