# RPS_XXV

 Author TeleZ Submission date 2017-09-14 06:12:16.141380 Rating 7500 Matches played 338 Win rate 71.3

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

## Source code:

``````import random

kon={'RR':'1','RP':'2','RS':'3','PR':'4','PP':'5','PS':'6','SR':'7','SP':'8','SS':'9'}
k2i={'R':0,'P':1,'S':2}
i2k={0:'R',1:'P',2:'S'}

def mdl(N):
N%=3
if N<0:
N+=3
return N

if not input:
DNA=[""]*3
flag=[False]*3
hist=[[0]*3]*2
eval=[0]*3
subs=[0]*12
skor=[0]*12
output=random.choice("RPS")
else:
d=random.betavariate(4.6,1.4)
for i in range(12):
if (i<3 and flag[0]) or (3<=i<6 and flag[1]) or (i>=6 and flag[2]):
q=mdl(subs[i]-k2i[input])
if q==2:
q=-1
skor[i]=d*skor[i]+q
DNA[0]+=input
DNA[1]+=output
DNA[2]+=kon[input+output]
for i in range(2):
for j in range(3):
hist[i][j]=0
i=min(26,len(DNA[2]))
j=-1
while i>1 and j<0:
i-=1
RNA=DNA[2][-i:]
j=DNA[2].find(RNA,0,-1)
flag[2]=(j>=0)
while j>=0:
q=i+j
for k in range(2):
hist[k][k2i[DNA[k][q]]]+=1
j=DNA[2].find(RNA,j+1,-1)
if flag[2]:
for i in range(2):
for j in range(3):
subs[3*i+j+6]=mdl(k2i[DNA[i][q]]-j+i+1)
for i in range(2):
flag[i]=(hist[i][0]<>hist[i][1] or hist[i][1]<>hist[i][2])
if flag[i]:
for j in range(3):
eval[j]=hist[i][mdl(j-1)]-hist[i][mdl(j+1)]
k=eval.index(max(eval))
for j in range(3):
subs[3*i+j]=mdl(k-j+i)
i=skor.index(max(skor))
if (i<3 and flag[0]) or (3<=i<6 and flag[1]) or (i>=6 and flag[2]):
output=i2k[subs[i]]
else:
output=random.choice("RPS")``````