BigModel_Test1

Authordavid.werecat
Submission date2018-08-01 15:04:53.003890
Rating7427
Matches played249
Win rate73.09

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

Source code:

import random
class MinModel:
    def __init__(self, decay):
        self.decay = decay
        self.prob = [0.0, 0.0, 0.0]
        self.last = random.randint(0, 2)
    def predict(self, pred, idx):
        p0 = self.prob[0]
        p1 = self.prob[1]
        p2 = self.prob[2]
        pred[idx] = self.last
        pred[idx + 1] = (0 if p0 > p2 else 2) if p0 > p1 else (1 if p1 > p2 else 2)
        rp = random.random() * (p0 + p1 + p2)
        pred[idx + 2] = 0 if rp < p0 else (1 if rp < p1 else 2)
    def update(self, val):
        self.prob[0] *= self.decay
        self.prob[1] *= self.decay
        self.prob[2] *= self.decay
        self.prob[val] += 1.0
        self.last = val
class CtxModel:
    def __init__(self, order, decay):
        self.order = order
        self.mask = (order + 1) << 2
        self.cmsk = self.mask - 4
        self.prob = [random.randint(0, 2) if i&3 == 3 else 0.0 for i in range(0, self.mask)]
        self.decay = decay
        self.ctx = 0
        self.mask -= 1
    def predict(self, pred, idx):
        tc = self.ctx
        for o in range(0, self.order):
            p0 = self.prob[self.ctx]
            p1 = self.prob[self.ctx + 1]
            p2 = self.prob[self.ctx + 2]
            pred[idx] = int(self.prob[self.ctx + 3])
            idx += 1
            pred[idx] = (0 if p0 > p2 else 2) if p0 > p1 else (1 if p1 > p2 else 2)
            idx += 1
            rp = random.random() * (p0 + p1 + p2)
            pred[idx] = 0 if rp < p0 else (1 if rp < p1 else 2)
            idx += 1
            tc = (tc >> 2) & self.cmsk
    def update(self, val):
        self.prob[self.ctx] *= self.decay
        self.prob[self.ctx + 1] *= self.decay
        self.prob[self.ctx + 2] *= self.decay
        self.prob[self.ctx + 3] = val
        self.prob[self.ctx + val] += 1.0
    def nextctx(self, val):
        self.ctx = ((self.ctx + val + 1) << 2) & self.mask
class ModelPicker:
    def __init__(self, count, decay):
        self.value = [1, -1, 0, 0, 1, -1, -1, 0, 1]
        self.count = count
        self.preds = [0 for i in range(0, count)]
        self.weigh = [0.0 for i in range(0, count)]
        self.decay = decay
    def setpred(self, idx, val):
        self.preds[idx] = val
    def setpreds(self, idx, vals):
        vl = len(vals)
        for vi in range(0, vl):
            self.preds[idx] = vals[vi]
            idx += 1
    def predict(self):
        #self.preds[self.weigh.index(max(self.weigh))]
        idx = 0
        mxv = -10000.0
        tmv = 0
        for i in range(0, self.count):
            tmv = self.weigh[i]
            if tmv > mxv:
                mxv = tmv
                idx = i
        return self.preds[idx]
    def update(self, val):
        val *= 3
        for i in range(0, self.count):
            self.weigh[i] = (self.weigh[i] * self.decay) + self.value[val + self.preds[i]]
if input == "":
    wins = [1,2,0]
    nval = {"R":0,"P":1,"S":2,"":0}
    cval = ["R","P","S"]
    minU = MinModel(0.93)
    minT = MinModel(0.93)
    ctxU2U = CtxModel(6, 0.93)
    ctxU2T = CtxModel(6, 0.93)
    ctxT2U = CtxModel(6, 0.93)
    ctxT2T = CtxModel(6, 0.93)
    ctxB2U = CtxModel(6, 0.93)
    ctxB2T = CtxModel(6, 0.93)
    sse = ModelPicker(346, 0.93)
else:
    tval = nval[input]
    minU.update(uval)
    minT.update(tval)
    ctxU2U.update(uval)
    ctxU2U.nextctx(uval)
    ctxU2T.update(tval)
    ctxU2T.nextctx(uval)
    ctxT2U.update(uval)
    ctxT2U.nextctx(tval)
    ctxT2T.update(tval)
    ctxT2T.nextctx(tval)
    ctxB2U.update(uval)
    ctxB2U.nextctx(uval)
    ctxB2U.nextctx(tval)
    ctxB2T.update(tval)
    ctxB2T.nextctx(uval)
    ctxB2T.nextctx(tval)
    sse.update(tval)
minU.predict(sse.preds, 0)
minT.predict(sse.preds, 3)
ctxU2U.predict(sse.preds, 6)
ctxU2T.predict(sse.preds, 24)
ctxT2U.predict(sse.preds, 42)
ctxT2T.predict(sse.preds, 60)
ctxB2U.predict(sse.preds, 78)
ctxB2T.predict(sse.preds, 96)
for i in range(0, 114):
    sse.preds[i + 114] = wins[sse.preds[i]]
    sse.preds[i + 228] = wins[sse.preds[i + 114]]
sse.setpreds(342, [0, 1, 2, random.randint(0, 2)])
uval = wins[sse.predict()]
output = cval[uval]