Those players collectively have a better chance of beating the all-in player than any does individually, and they may check down the hand till the end, that is, with no one making a bet that might drive anyone else out. In another example, a bluff may have a high chance of success against any one opponent, but against multiple opponents have no chance at all. In low-limit games, with their many players remaining at the end, a bluff against the field has almost no chance of succeeding. Again, this involves implied collusion among the players. They may not be aware of the situation, but it does exist.
Similar situations arise in other games.
Sometimes called effective odds . Also see expectation . Better a hand, particularly catch one needed card. For example, in draw poker, you call an all-in raise from another player to draw one card to two pair. The other player shows down a small straight.