message: revert noise mixing
diff: @@ -9,7 +9,7 @@ import math
  # All terminology here (Q, U, N, p_UCT) uses the same notation as in the
  # AlphaGo paper.
  # Exploration constant
  -c_PUCT = 1.18
  +c_PUCT = 1.38
  # Dirichlet noise, as a function of go.N
  D_NOISE_ALPHA = lambda: 0.03 * 19 / go.N
  @@ -127,7 +127,7 @@ class MCTSNode():
  def inject_noise(self):
  dirch = np.random.dirichlet([D_NOISE_ALPHA()] * ((go.N * go.N) + 1))
  - self.child_prior = self.child_prior * 0.80 + dirch * 0.20
  + self.child_prior = self.child_prior * 0.75 + dirch * 0.25
  def children_as_pi(self, stretch=False):
  probs = self.child_N
  