# mem2dbT2

 Author momo Submission date 2011-06-14 00:23:52.857932 Rating 7305 Matches played 3083 Win rate 62.31

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

## Source code:

``````import random

def highest(v):
return random.choice([i for i in range(len(v)) if max(v) == v[i]])

def lowest(v):
return random.choice([i for i in range(len(v)) if min(v) == v[i]])

def best(c):
return highest([c[1]-c[2], c[2]-c[0], c[0]-c[1]])

if (1):
if (input == ""):
N = 1
cutoff = 400
AR1 = 0.80
states = ["R","S","P"]
st = [0,1,2]
sdic = {"R":0, "S":1, "P":2}
decay = 0.0
decay2 = 0.5
res = [[0, 1, -1], [-1, 0, 1], [1, -1, 0]]
total=0
r=0
M = 4
models = [1]*(M*3+1)

state = [1]*(M*3+1)
yo = random.choice(st)
tu = random.choice(st)

pa = (yo, tu)
hi = [pa]
prognosis = [random.choice(st) for i in range(M*3+1)]
choices = []

else:
tu = sdic[input]
pa = (yo,tu)
hi += [pa]

state = [ AR1 * state[i] + res[prognosis[i]][tu] * models[i] for i in range(M*3+1)]

r = res[yo][tu]
total = total + r

if 1:
count =  [[0]* 3]* 6
for pos in range(max(3, cutoff), N-1):
if (hi[pos-1] == hi[N-2] and hi[pos] == hi[N-1]):
count[0][hi[pos-2][0]] += 1 + pos * decay
count[1][hi[pos-2][1]] += 1 + pos * decay
if (hi[pos-1][0] == hi[N-2][0] and hi[pos-1][0] == hi[N-1][0]):
count[2][hi[pos-2][0]] += 1 + pos * decay
count[3][hi[pos-2][1]] += 1 + pos * decay
if (hi[pos-1][1] == hi[N-2][1] and hi[pos-1][1] == hi[N-1][1]):
count[4][hi[pos-2][0]] += 1 + pos * decay
count[5][hi[pos-2][1]] += 1 + pos * decay

prognosis[0] = (lowest([count[1][i] + count[3][i] + count[5][i] for i in range(3)]) +1) % 3
prognosis[3] = (highest([count[0][i] + count[2][i] + count[4][i] for i in range(3)]) +1) % 3
prognosis[6] = (highest([count[1][i] + count[3][i] + count[5][i] for i in range(3)]) +1) % 3
prognosis[9] = (lowest([count[0][i] + count[2][i] + count[4][i] for i in range(3)]) +1) % 3

# modelrandom
prognosis[3*M] = (random.choice(hi)[1] + 2) % 3

for i in range(M):
prognosis[i*3 + 1] = (prognosis[i*3] + 1) % 3
prognosis[i*3 + 2] = (prognosis[i*3+1] + 1) % 3

thebest = highest(state)

choices += [thebest]

yo = prognosis[thebest]

output = states[yo]

N = N + 1``````