# RPS v3.14

 Author tzoidis Submission date 2016-07-16 17:27:06.002701 Rating 5480 Matches played 399 Win rate 53.63

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

## Source code:

``````import random

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

if not input:
com={'RR':'1','RP':'2','RS':'3','PR':'4','PP':'5','PS':'6','SR':'7','SP':'8','SS':'9'}
ego={'1':0,'2':1,'3':2,'4':0,'5':1,'6':2,'7':0,'8':1,'9':2}
idt={'1':0,'2':0,'3':0,'4':1,'5':1,'6':1,'7':2,'8':2,'9':2}
k2i={'R':0,'P':1,'S':2}
i2k={0:'R',1:'P',2:'S'}
hist=[[0]*2]*3
eval=[[0]*2]*3
subs=[0]*6
prin=[[0]*4]*6
meta=[0]*4
DNA=""
flag=False
output=random.choice("RPS")
else:
DNA+=com[output+input]
if flag:
for j in range(4):
M=prin[0][j]
k=0
for i in range(1,6):
if prin[i][j]>M:
M=prin[i][j]
k=i
re=mdl(subs[k]-k2i[input])
if re==2:
meta[j]-=1
else:
meta[j]+=re
for i in range(6):
prin[i][1]*=0.9
prin[i][3]*=0.9
re=mdl(subs[i]-k2i[input])
if re==0:
for j in range(2,4):
prin[i][j]-=0.1
elif re==1:
for j in range(4):
prin[i][j]+=1
elif re==2:
for j in range(4):
if (j<2 or prin[i][j]<2):
prin[i][j]-=1
else:
prin[i][j]*=0.5
for i in range(3):
for j in range(2):
hist[i][j]=0
i=-1
j=min(5,len(DNA))
while i<0 and j>1:
j-=1
RNA=DNA[-j:]
i=DNA.find(RNA,0,-1)
while i>=0:
hist[ego[DNA[i+j]]][0]+=1
hist[idt[DNA[i+j]]][1]+=1
i=DNA.find(RNA,i+1,-1)
output=random.choice("RPS")
flag=(((hist[0][0]<>hist[1][0]) or (hist[1][0]<>hist[2][0])) and
((hist[0][1]<>hist[1][1]) or (hist[1][1]<>hist[2][1])))
if flag:
for i in range(3):
for j in range(2):
eval[i][j]=hist[mdl(i-1)][j]-hist[mdl(i+1)][j]
M=eval[0][0]
j=0
for i in range(1,3):
if eval[i][0]>eval[j][0]:
j=i
if ((eval[mdl(j+1)][0]==M or eval[mdl(j-1)][0]==M) and random.choice([0,1])==0):
j=mdl(j+1)
else:
j=mdl(j-1)
for i in range(3):
subs[i]=mdl(j-i)
M=eval[0][1]
j=0
for i in range(1,3):
if eval[i][1]>eval[j][1]:
j=i
if ((eval[mdl(j+1)][1]==M or eval[mdl(j-1)][1]==M) and random.choice([0,1])==0):
j=mdl(j+1)
else:
j=mdl(j-1)
for i in range(3):
subs[i]=mdl(j-i)
M=max(meta)
j=meta.index(M)
if M>0:
M=prin[0][j]
k=0
for i in range(1,6):
if prin[i][j]>M:
M=prin[i][j]
k=i
if M>0:
output=i2k[subs[k]]``````