anchor.diff:  			{ok, BcPlayerServ} = bc_input_serv:create_player_serv(BcInputServ, BcPlayer),
   			case pending_players_changed(GameId, UpdatedPlayers) of
   				{ok, started} ->
  -					BcPlayers = lists:map(fun({_, V}) -> 
  -											maps:get(player, V) 
  -										  end, dict:to_list(UpdatedPlayers)),
  +					BcPlayers = 
  +						lists:map(
  +							fun({_, V}) -> 
  +								maps:get(player, V) 
  +							end, dict:to_list(UpdatedPlayers)),
   					bc_input_serv:spawn_player_bases(BcInputServ, BcPlayers),
   					gen_event:notify(GameEventPid, {game_started, BcPlayers}),
   					{reply, {ok, PlayerId, Team, BcPlayerServ}, started, UpdatedState};
  
positive.code: handle_info({'DOWN', Ref, process, Pid, _}, StateName,
  		#state{game = BcGame,
  			   players = Players} = State) ->
  	case lists:filter(fun({K, #{monitor := Monitor}}) -> 
  					  	Monitor =:= Ref
  				 	  end, dict:to_list(Players)) of
  		[{PlayerId, _}] ->
  			started({player_quit, PlayerId}, State);
  		_ ->
  			ok
  	end.
  
negative.code: 
  find_player_id(PlayerPid, Players) ->
  	List = dict:to_list(Players),
  	[{Id, Pid}] = 
  		lists:filter(
  			fun({_, Pid} = Tuple) 
  				 when Pid =:= PlayerPid -> 
  				Tuple 
  			end, List),
  	Id.
  
  find_players(PlayerIds, PlayerDict) ->
  