docs: function isSituationalChessMessage(msg) {
      if (!msg.value || !msg.value.content) {
        return false;
      }
  
      const relevantMessageTypes = [
        'chess_invite',
        'chess_invite_accept',
        'chess_move',
        'chess_game_end'];
  
      const messageType = msg.value.content.type;
      const isSituationMsg = relevantMessageTypes.find(m => m === messageType);
      return isSituationMsg !== undefined;
    }