Author | EbTech |

Submission date | 2011-05-21 19:27:18.413367 |

Rating | 6224 |

Matches played | 7406 |

Win rate | 59.36 |

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

```
import math
import random
if not 'rockRating' in dir(): # initialize variables for the first round
rockRating = scissorsRating = paperRating = 0
rockRating *= 0.95
scissorsRating *= 0.95
paperRating *= 0.95
if input == "R":
paperRating += 0.1
scissorsRating -= 0.1
elif input == "P":
scissorsRating += 0.1
rockRating -= 0.1
elif input == "S":
rockRating += 0.1
paperRating -= 0.1
randNum = random.random()*(math.exp(rockRating)+math.exp(scissorsRating)+math.exp(paperRating))
if randNum < math.exp(rockRating):
output = "R"
elif randNum < math.exp(rockRating) + math.exp(paperRating):
output = "P"
else:
output = "S"
print output
```