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Here is a more recent paper to read on MCTS

Distributed Monte Carlo Tree Search: A Novel Technique and its Application to Computer Go
Lars Schaefers and Marco Platzner, Senior Member, IEEE
IEEE TRANSACTIONS ON COMPUTATIONAL INTELLIGENCE AND AI IN GAMES, VOL. 7, NO. 4, DECEMBER 2015 p 361
http://ieeexplore.ieee.org/document/6876158/

Survey on MCTS can be found there

A survey of monte carlo tree search methods
C. B. Browne, E. Powley, D. Whitehouse, S. M. Lucas, P. I. Cowling,
P. Rohlfshagen, S. Tavener, D. Perez, S. Samothrakis, S. Colton
IEEE Trans. Comput. Intell. AI in Games, vol. 4, no. 1, pp. 1-43, Mar. 2012
http://ieeexplore.ieee.org/document/6145622/