BothCM_H2R

 Author david.werecat Submission date 2014-12-12 23:06:44.122397 Rating 6938 Matches played 535 Win rate 71.03

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

Source code:

``````#Created by David Catt on December 12, 2014
import random

class CtxModel:
def __init__(self, order, decay):
self.order = order
self.decay = decay
self.mask = 3 ** (order + 1)
self.ctx = 0
def predict(self):
tvl = 0
tpr = 0.0
prb = 0.0
for i in range(0, 3):
prb = self.prob[self.ctx + i]
if prb > tpr:
tvl = i
tpr = prb
return tvl#, tpr
def update(self, val):
for i in range(0, 3):
self.prob[self.ctx + i] *= self.decay
self.prob[self.ctx + val] += 1.0
self.ctx = ((self.ctx + val) * 3) % self.mask

class ModelSwitch:
def __init__(self, count, decay):
self.value = [1,0,-1,-1,1,0,0,-1,1]
self.count = count
self.decay = decay
self.offset = [0.0] * count
self.weigh = [0.0] * count
self.pred = [0] * count
def setoffset(self, idx, val):
self.offset[idx] = val
def setvalue(self, idx, val):
self.pred[idx] = val
def predict(self):
tvl = 0
tpr = -1.0
prb = 0.0
for i in range(0, self.count):
prb = self.weigh[i] + self.offset[i]
if prb > tpr:
tvl = self.pred[i]
tpr = prb
return tvl
def update(self, val):
for i in range(0, self.count):
self.weigh[i] = (self.weigh[i] * self.decay) + self.value[(val * 3) + self.pred[i]]

if input == "":
winner = [1,2,0]
nval = {"R":0,"P":1,"S":2}
cval = ["R","P","S"]
mdl = [CtxModel(i % 7, 0.93) for i in range(0, 14)]
msse = ModelSwitch(43, 0.93)
msse.setoffset(42, -0.1)
lval = 0
else:
val = nval[input]
for i in range(0, 7):
mdl[i].update(val)
mdl[i+7].update(lval)
msse.update(val)
pv = 0
for i in range(0, 14):
pv = mdl[i].predict()
msse.setvalue(i, pv)
msse.setvalue(i + 14, winner[pv])
msse.setvalue(i + 28, winner[winner[pv]])
msse.setvalue(42, random.randint(0, 2))
lval = winner[msse.predict()]
output = cval[lval]``````