| Author | ntsp | 
| Submission date | 2011-06-09 09:00:12.264461 | 
| Rating | 3189 | 
| Matches played | 5402 | 
| Win rate | 32.27 | 
Use rpsrunner.py to play unranked matches on your computer.
import random
if input == "": # initialize variables for the first round
    output = "P"
    round = 1
    next_r = 3
else:
    if round == next_r:
        output = "R"
        next_r += random.choice([2,3])
    else:
        output = random.choice(["S","P"])
        
    round += 1