Variable Geometry Turbocharger 3

This program has been disqualified.

Source code:

import random
import math

lastmatch=0
lastmatch3=0

limit = 25

if not input:
	urmoves=""
	mymoves=""
	predictor1='R'
	predictor2='P'
	predictor3='S'
	predictor4='R'
	blloutput=bloutput=output=random.choice(['R','P','S'])
	predictor1score=1.1
	predictor2score=0.1
	predictor3score=0.7
	predictor4score=0.4
	matchHistory=""
else:
	if input==oldpredictor1:
		predictor1score+=0.1
	elif input=={'R':'S', 'P':'R', 'S':'P'}[oldpredictor1]:
		predictor1score-=0.1
	if input==oldpredictor2:
		predictor2score+=0.1
	elif input=={'R':'S', 'P':'R', 'S':'P'}[oldpredictor2]:
		predictor2score-=0.1
	if input==oldpredictor3:
		predictor3score+=0.1
	elif input=={'R':'S', 'P':'R', 'S':'P'}[oldpredictor3]:
		predictor3score-=0.1
	if input==oldpredictor4:
		predictor3score+=0.1
	elif input=={'R':'S', 'P':'R', 'S':'P'}[oldpredictor4]:
		predictor3score-=0.1
		
	#Predictor 1: assume that if I play the same sequence of moves, the opponent will reply the same
	predictor1 = random.choice(['R','P','S'])
	urmoves+=input
	for i in range(len(urmoves)-1,limit+1,-1):
		match=0
		j=1
		while j<=i and mymoves[i-j]==mymoves[len(urmoves)-j]:
			match+=1
			if match>lastmatch:
				lastmatch=match
				predictor1=urmoves[i]
			if match>limit:
				break
			j+=1
		if match>limit:
			break
			
	#Predictor 2: assume that the opponent plays like Probably not very strong 3.1
	blloutput = bloutput
	bloutput = input
	if loutput == {'R':'P','P':'S','S':'R'}[blloutput]:
		predictor2 = {'R':'R','P':'P','S':'S'}[bloutput]
	elif loutput == {'R':'S','P':'R','S':'P'}[blloutput]:
		predictor2 = {'R':'P','P':'S','S':'R'}[bloutput]
	elif loutput == {'R':'R','P':'P','S':'S'}[blloutput]:
		predictor2 = {'R':'S','P':'R','S':'P'}[bloutput]
	
	predictor2 = {'P':'R', 'S':'P', 'R':'S'}[predictor2]
	
	#Predictor 3: assume that if the opponent plays the same sequence of moves, he will continue the same
	predictor3 = random.choice(['R','P','S'])
	heatR = heatP = heatS = 0
	for i in range(len(urmoves)-1,limit+1,-1):
		match3=0
		j=1
		while j<=i and urmoves[i-j]==urmoves[len(urmoves)-j]:
			match3+=1
			if match3>lastmatch3:
				lastmatch3=match3
				energy=math.pow(j, math.log(j)+1)*(2*len(urmoves)-2-i)
				heatR+={'R':energy,'P':-energy,'S':0}[urmoves[i]]
				heatP+={'R':0,'P':energy,'S':-energy}[urmoves[i]]
				heatS+={'R':-energy,'P':0,'S':energy}[urmoves[i]]
			if match>limit:
				break
			j+=1
		if match3>limit:
			break
		
	if heatR>heatP and heatR>heatS:
		predictor3 = 'R'
	elif heatP > heatS:
		predictor3 = 'P'
	else:
		predictor3 = 'S'
		
	#Predictor 4: assume that the opponent plays like a Boltzmann Compressor
	matchHistory+=loutput
	bcindex = 0
	bclimit = 50
	bcheatR = bcheatP = bcheatS = 0
	while bcindex < len(matchHistory)-2:
		bcindex2=bcindex
		bcindex3=len(matchHistory)-2
		bclength = 0
		while bcindex2 >=0:
			if matchHistory[bcindex2]!=matchHistory[bcindex3] or matchHistory[bcindex2+1]!=matchHistory[bcindex3+1]:
				break
			bcindex2-=2
			bcindex3-=2
			bclength+=1
			if bclength>bclimit:
				break
		bcpredict=matchHistory[bcindex+3]
		bcenergy = math.pow(bclength+1,math.log(bclength+1)+1)
		bcheatR+={'R':0,'P':-bcenergy,'S':bcenergy}[bcpredict]
		bcheatP+={'R':bcenergy,'P':0,'S':-bcenergy}[bcpredict]
		bcheatS+={'R':-bcenergy,'P':bcenergy,'S':0}[bcpredict]
		bcindex+=2
	if bcheatR>bcheatP and bcheatR>bcheatS:
		predictor4 = 'R'
	elif bcheatP>bcheatS:
		predictor4 = 'P'
	else:
		predictor4 = 'S'
	
	#compare predictors
	if predictor1score>predictor2score and predictor1score>predictor3score and predictor1score>predictor4score:
		output = predictor1
	elif predictor2score>predictor3score and predictor2score>predictor4score:
		output = predictor2
	elif predictor3score>predictor4score:
		output = predictor3
	else:
		output = predictor4
	
	output =  {'R':'P', 'P':'S', 'S':'R'}[output]

mymoves+=output
oldpredictor1=predictor1
oldpredictor2=predictor2
oldpredictor3=predictor3
oldpredictor4=predictor4
loutput=output
matchHistory+=predictor4