Positions. Play hands you are on top with position, try to limit to 1 vs 1s and you have the over hand and always try to double up. Once you have a lot of chips dont just call call call just because you have the chips, that's how you loose them, still play like if you are average and dont gamble let them give you chips. Low pair and suited aces are good at beginning but muck them when blinds are expensive.
You must have a lot of patience, analyze and take a good reading of your opponents and try to apply the knowledge you have, do not rush in the plays, if you see that you have the opportunity to be aggressive do it
Other than the course I recommended, I'd say it depends on your skill level. Are you a newer player yourself (and why you are in the lower levels) or are you more experienced and simply happen to be playing the lower levels?
If you are also newer yourself, then I recommend playing a TAG strategy and playing better cards preflop. If you are the most experienced player there, then I recommend loosening up to a LAG strategy and seeing more Flops against players you might be able to better exploit post-flop.
Just a generic opinion though; not saying these styles are universal. In fact, some players simply can't play more than their natural style, so you might need to experiment and see what works for you. The reason I recommend a TAG style at first is to give you some "experience" and exposure without putting yourself in as many difficult decisions. A TAG player will put themselves at risk less often (by playing fewer hands preflop) and will usually have a range advantage throughout the hand (because they were more selective preflop). Once you gain more playing experience and learning subtleties, then you can optionally loosen up to playing more cards in more spots and using more advanced strategies.
It is wrong to say about this, because each player conducts the tournament differently. Each player has his own game plan and completely different situations at the table and of course the opponents against him are also different and this is very important.
Can select a few small rules or features for the game, but these are only recommendations and sometimes they can not help you. You must understand for yourself, how you are comfortable playing in different tournaments, your strengths and weaknesses, and learn to carefully understand the game of your opponents, the situation in the tournament and especially at the table. But the main thing to remember, no matter, how you play, if luck with you, use her, but if you do everything right and nothing happens - not fate... Understand it, remember it, and accept it for yourself, because you can't change it
In short, it is necessary to divide the tournament into 3 main stages: the beginning, the middle and the final stage. To the 3 stages I can add (bubble + final table) where you need to play especially.
Start - very well allows you to play wide and use a lot of opportunities to increase the pot. We are not talking about the need to play absolutely garbage hands )) Carefully study the opponents against himself, this will help you pass the middle stage well and increase the chances of success.
In the middle, you need to play aggressively, reduce the range and not go into full passive this is important. The game in the final will depend on your pot size.
In all tournaments, you must raise preflop according to what is happening on the table. Your actions should look meaningful in the eyes of your opponents. Put pressure on players with a small stack. The small-stacked players are the last remaining in the game to find themselves in this position for several reasons. Either they were unlucky, or they played too passively. But it doesn't matter to you, you can benefit from them anyway. Watch these nervous players reraising and attack them as soon as the opportunity arises. Put pressure on tight passive players to give you the blinds and fold post-flop with scary boards.A raise to 5 big blinds when everyone else is raising to 2.5 big blinds will look odd. For some players, this strategy works. But for beginners, it's best to stick to the standard preflop raise size. As the tournament develops, this size can be decreased or increased depending on the size of your stack.