To sum up, you want to 4-bet to around 2.5x the 3-bettors raise when you are in position and around 3x his raise when you are out of position. In tournaments, size down to around 2.2x when in position and 2.7x when out of position.

A good winning 6-max reg will typically have a 4bet range in the region of 4-5%, whereas the average player has a 4bet range in the 2-3% region. In other words, it's not a big deal to slightly overfold when facing a preflop 4bet from an unknown.

The royal flush is the best hand available in poker. It features five consecutive cards, all of the same suit, in order of value from 10 through to ace. Any five cards of successive values in the same suit that's not a royal flush is a straight flush.

1. Royal Flush: The best hand in poker, although it doesn't occur very often. Still one of the most iconic

in the game, it's the highest possible straight flush consisting of A, K, Q, J and 10 of the same suit.