Genetic algorithms tournament selection

D. E. Goldberg, A note on Boltzmann tournament selection for genetic algorithms and population-oriented simulated annealing. Complex Systems, 4 (1990) 445. 

Harik GR. Finding multimodal solutions using restricted tournament selection. In Eshelman LJ, ed. Proceedings of the Sixth International Conference on Genetic Algorithms. San Francisco, CA, USA Morgan Kaufmann Publishers, Inc., 1995 24-31. 

First of all, it is necessary a selection algorithm to proceed with the genetic algorithm. In this work a tournament has been used. This technique compare, in a random fashion, the chromosomes up to the best-fitted organisms has been selected. 

---