message: fix bug in resign_threshold calculation
diff: @@ -374,7 +374,6 @@ class Selfplayer {
  void CheckAbortFile();
  mutable absl::Mutex mutex_;
  - Game::Options game_options_ GUARDED_BY(&mutex_);
  MctsTree::Options tree_options_ GUARDED_BY(&mutex_);
  int num_games_remaining_ GUARDED_BY(&mutex_) = 0;
  Random rnd_ GUARDED_BY(&mutex_);
  @@ -812,7 +811,9 @@ std::unique_ptr<SelfplayGame> Selfplayer::StartNewGame(bool verbose) {
  player_name = latest_model_name_;
  game_id = next_game_id_++;
  - game_options = game_options_;
  + game_options.resign_threshold =
  + -rnd_.Uniform(std::fabs(FLAGS_min_resign_threshold),
  + std::fabs(FLAGS_max_resign_threshold));
  game_options.resign_enabled = rnd_() >= FLAGS_disable_resign_pct;
  tree_options = tree_options_;
  @@ -878,9 +879,6 @@ void Selfplayer::ParseFlags() {
  FLAGS_concurrent_games_per_thread = std::min(
  max_concurrent_games_per_thread, FLAGS_concurrent_games_per_thread);
  }
  - game_options_.resign_threshold =
  - -rnd_.Uniform(std::fabs(FLAGS_min_resign_threshold),
  - std::fabs(FLAGS_max_resign_threshold));
  tree_options_.value_init_penalty = FLAGS_value_init_penalty;
  tree_options_.policy_softmax_temp = FLAGS_policy_softmax_temp;
  