Plan your tournament

Using Acelet software, the complicity of management is not a big issue. So you can focus on other issues when you choose tournament formats. With automatic court and match queue management, the courts' usage is efficient, so you can use fewer facilities to hold bigger tournament.

Choose event formats

Single elimination
Pros: Simple. It is simple for both players and management. Have relatively fewer matches.
Cons: "brutal". Players is eliminated by one mistake.

Number of matches

Size of draw	Single elimination
2	1
4	3
8	7
16	15
32	31
64	63
128	127

Note: if your registration is not full, there will be some 'byes'. In that case, the number of matches will be smaller.

Double elimination
Pros: Every player has second chance to stay in tournament.
Cons: Management is more complicated than single-elimination format. There are more matches, so needs more resource from facilities.

Number of matches

Size of draw	Double elimination
2
4	4(3+1)
8	12(7+5)
16	28(15+13)
32	60(31+29)
64	124(63+61)
128

Note:

• In the above table, the numbers in paralesis are numbers of matches in two parts of the format.
• In the above table, the empty cell means not supported.
• If your registration is not full, there will be some 'byes'. In that case, the number of matches will be smaller.

Pool-playoff
Pros: More fair for players: one or two mistakes can be 'forgiven '. Have most number of matches among these three formats.
Cons: Management is the most complicated among these three formats. Has the most number of matches among these three formats.

Number of matches

Size of draw	Pool 1 - playoff	Pool 2 - playoff	Pool 4 - playoff	Pool 8 - playoff
2
4	7(6+1)
8	29(28+1)	14(12+2)
16	121(120+1)	31(56+7)	56(48+7)
32	497(496+1)	243(240+3)	135(128+7)	63(48+15)
64
128

Note:

• In the above table, the numbers in paralesis are numbers of matches in two parts of the format.
• In the above table, the empty cell means not supported.

Friendship
Friendship tournaments are social tournaments for sports like tennis, badminton, pickleball, table tennis. The tournament consists of two camps. The camp who wins more matches win the tournament. Players register into the tournament with rankings. Ranking is a digital number, with or without decimals. Ranking is the skill level of the player in that community, as a percentage. 100 means the player is the best skilled player in that community, while 10 means the least skilled player. Ranking is self-ranking. More than one person may have the same ranking. Rankings are a way to divide all players into different divisions. Players who are with similar ranking will be in a division and play each other. Players play all other players in the same division. Players do not play other players who are in different division. Division size is the number of players of each camp in that division. If division size is 4, there will be 8 (division size times 2, that is 4x2) players in that division. Each player plays 4 matches: plays against every player in the other camp, like in round-robin format. Each time, plays against different player.
Let's see an example. Suppose the tournament format is Friendship 3. "3" means division size is 3. During making draw process, the system sorts all players according to their rating. Suppose the sorting result is:

• Player A: 30
• Player B: 30
• Player C: 31
• Player D: 35
• Player E: 41
• Player F: 42
• Player G: 42
• Player H: 45
• Player I: 47
• Player J: 50
• Player K: 55
• Player L: 80

The first 6 (division size times 2, that is 3x2) players are going to first division. The next 6 players are going to second division. The system randomly divides each division into two camps. Some players go to "Camp A", others go to "Camp B". Which player goes to which camp is not predictable. The system will generate matches, so each player plays every one in the other camp in that division.
The tournament manager specifies division size. The tournament manager pushes a button to make the draw. This is social tournaments, All players are doubles players. Players register into an event of tournaments. The number of players (doubles team) must be even, that is: number of persons must be wholly divided by 4. If you want all divisions are equal, the number of players must be a multiple of division size and 2. There is no limit for the number of person.

Friendship 2 (division size: 2; everyone plays 2 matches)

Persons	players	Matches
16	8	8
24	12	12
32	16	16
40	20	20
48	24	24
56	28	28
64	32	32
72	36	36
80	40	40
88	44	44
96	48	48
104	52	52
112	56	56
120	60	60
128	64	64
136	68	68
144	72	72
152	76	76

For each additional 8 persons, there will be 4 matches more.

Friendship 3 (division size: 3; everyone plays 3 matches)

Persons	players	Matches
12	6	9
24	12	18
36	18	27
48	24	36
60	30	45
72	36	54
84	42	63
96	48	72
108	54	81
120	60	90
132	66	99
144	72	108
156	78	117

For each additional 12 persons, there will be 9 matches more.

Friendship 4 (division size: 4; everyone plays 4 matches)

Persons	players	Matches
32	16	32
48	24	48
64	32	64
80	40	80
96	48	96
112	56	112
128	64	128
144	72	144
160	80	160

For each additional 16 persons, there will be 16 matches more.

Friendship 5 (division size: 5; everyone plays 5 matches)

Persons	players	Matches
20	10	25
40	20	50
60	30	75
80	40	100
100	50	125
120	60	150
140	70	175

For each additional 20 persons, there will be 25 matches more.

Note:

1. The above tables only list some of the values. There is no up-limit on number of persons.
2. If the number of persons are in between the number in the above tables, Your last division will be smaller. That is ok for the software. The only thing that you need to know is that the players in the last division will play the same opponents more than once.

The procedure of friendship tournament is very simple:
1. The tournament manager sets up the tournament and event.
2. Players register into the event.
3. The tournament manager makes the draw. That will create all matches.
4. Players play.
5. The result will be calculated by the system. If the scores are the same, a tiebreaker program will calculate every detail, like the tiebreak in round-robin format tournament. If two camps are still tie, team A will win.

Team competition by template
A team competition tournament is a tournament of two or more camps (teams) for sports like tennis, badminton, pickleball, table tennis. The tournament consists of a few matches for each "meeting". The camp who wins more matches wins the tournament.
For team competition by template, The type of matches (singles or doubles) and the order are specified by a battle-array-template. For example, it can be:

• 1. Singles
• 2. Singles
• 3. Doubles
• 4. Singles
• 5. Singles
Each camp provides a team of players (usually 3 or 5) with order of players, specified as battle-array. The battle-array of each camp must comply to the template specified by the tournament. Then the manager of the tournament makes the draw. The draw arranges matches according to battle-arrays provided by camps. The draw is not random.
The procedure of team competition by template tournament is very simple:
1. The tournament manager sets up the tournament and event.
2. Each of two camps registers into the event.
3. The tournament manager enrols two camps.
4. Players register into their camps.
5. The tournament manager makes the draw. That will create all matches.
6. Players play.
7. The result will be calculated by the system.

Team competition pool-playoffs tournaments
Team competition pool-playoffs format tournaments are pool-playoffs tournaments. The difference from other pool-playoffs is that each "meeting" (competition, battle) is not one match, but a few matches. Each "meeting" is a "team competition by template" event. Team competition pool-playoffs tournament is good for schools to encourage students to be physical active. The template is specified by the tournament manager. The procedure of team competition-pool-playoffs tournaments is:

1. The tournament manager sets up the tournament and main event
2. Each camp registers into the main event of the tournament.
3. The tournament manager enrols camps.
4. Each player registers into its camp, not the event.
5. The tournament manager makes the draw. That draw creates all pools and with logical matches. Each "meeting" is an event.
6. Each camp manager update battle-array just before the draw for a "meeting". Usually camp managers prefer to not keep battle-array the same for all "meetings".
7. The tournament manager makes the draw for that "meeting".
8. Players play matches.
9. The result will be calculated by the system. If the scores are the same for two camps, a tiebreaker program will calculate every detail, like the tiebreak in round-robin format tournament.
10. When all matches are finished in a pool, the two best camps advance to play-offs.
11. Advanced camps play single-elimination format playoffs.

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