 String MSG_FIND_GAME = "FIND_GAME"; // id
 String MSG_DO_MOVE =  "DO_MOVE"; // id movement(0..8)
 String MSG_GET_MOVE = "GET_MOVE"; // id
+String MSG_GAMEID = "GAMEID"; //id
 String END_CHAR = "\r"; 
 String SEP_CHAR_COMMANDS = " ";
 String SEP_CHAR_PARAMETERS = ",";

String CMD_WAIT_FOR_TURN = "WAIT_FOR_TURN";
String CMD_RIVAL_MOVE = "RIVAL_MOVE"; // # rival_id move
String CMD_ACK = "ACK"; // rival_id move


// Baseboard screen

      Serial.println("--Received: " + msg);
      String command = getCommand(msg);
      Serial.println("Command: '" + command + "'");
      if (command.startsWith(CMD_GET_GAMEID)){  //TODO pasar arriba string
        String reply = MSG_GAMEID + SEP_CHAR_COMMANDS + String(GAME_ID) + END_CHAR;
        Serial.println("--Sending: '" + reply + "'");
        Serial1.print(reply);
      }
      else if (command.startsWith()){
        String reply = "OK" + END_CHAR;
        Serial.println("--Sending: " + reply);
        Serial1.print(reply);
