It is permissible to marry a non-hijabi girl if she a Muslim. It is better to choose a believer that fulfils all her religious obligations as she will be the mother of your children in the future and children will be affect by the behavior of their mother. At the meantime, you could increase your efforts in finding the suitable wife and maybe decrease other requirements in the wife will help you find one.
It is prohibited to watch the chess players while they are playing. It is permissible to watch the players of other gambling games, unless this leads to encouraging these games or similar prohibitions.
As long as the marriage duration has not ended, permanent marriage is not valid. She is still his wife by the temporary marriage. If this marriage expires or he ends it by forgoing the rest of the duration, then they can conduct a permanent marriage with the fulfillment of the rest of the conditions.
We have no way of knowing the status of the dead and their relationship to this world. However, it was reported that it is recommended to indoctrinate him before the burial, perform recommended acts on behalf of the dead and it was reported in some narrations that they benefit from the reward of such deeds.