first round:
no competition
result
0 : Mark
----------
second round:
Erick versus Mark => winner Erick
result
0 : Mark
1 : Erick
----------
third round:
Anne versus Erick => winner Erick
Anne versus Mark => winner Anne
result
0 : Mark
1 : Anne
2 : Erick
----------
fourth round:
Alex versus Erick => winner Erick
Alex versus Mark => winner Alex
result
0 : Mark
1 : Alex
2 : Anne
3 : Erick