testilus+1

Use rpsrunner.py to play unranked matches on your computer.

Source code:

#This is almost entirely copiet from testilus, player
#this is almost entirely copiet from "Cabu"'s "Markov (speedup)"
#but a bit optimised
import random

moves = ['R', 'P', 'S']
beat_move = {'R': 'P', 'P': 'S', 'S': 'R'}

output = ''

if input == '':
    opp_history = ''
    x = -1
else:
    opp_history += input

    for length in range(10):
        # Search for the last longest chain
        x = opp_history[:-1].rfind (opp_history[-length:])
        if x >= 0:
            # If found: Pick what will be the next move and play against it

            if not (len(opp_history) > x + length ): 
                next_move = opp_history[x + length +1]
                output = beat_move[next_move]
                break
            

if output == '':
    output = random.choice (moves)