Tabletop strategy · Updated May 29, 2026

Decision-making and randomness

Randomness in a board game is not the opposite of strategy. Used carefully, it shapes the decisions players make: it creates uncertainty to plan around, rather than removing the need to plan.

Dice next to wooden game pieces on a table — Dice and wooden pieces, common sources of game randomness. Source: Wikimedia Commons.

Two kinds of randomness

It helps to separate when the random event happens relative to the decision.

Input randomness occurs before the decision. A player draws a hand or rolls, then chooses how to use the result. The randomness sets the situation; the skill is in the response.
Output randomness occurs after the decision. A player commits to an action, then a roll decides whether it succeeds. The randomness judges a choice already made.

Designers often favour input randomness when they want players to feel agency, because the uncertain element arrives early enough to be planned around.

A useful question for any random mechanic: does the player decide before or after the dice settle? The answer largely determines how much control the game feels like it offers.

Hidden information as a different lever

Not all uncertainty comes from dice. Hidden information, such as a concealed hand or a secret objective, creates uncertainty about other players rather than about a randomizer. Here the interesting decisions involve reading opponents and managing what they can read about you. The same turn carries two layers: the move itself, and what the move reveals.

Keeping chance from deciding alone

Games that lean on randomness usually include structures that let skill accumulate across the variance:

Repetition: many small random events average out more than one large one, so a single unlucky roll rarely ends the game.
Mitigation: rerolls, modifiers, or resource spending let players reduce the impact of a bad result.
Choice density: giving players frequent meaningful decisions keeps skill in play between random events.

The aim is rarely to remove luck, but to position it so that the better-played game wins more often than not.

A note on probability literacy

Players who understand the rough odds of a mechanic make different decisions from those who do not. This is part of a game's depth: learning the probabilities is itself a skill the design rewards. Where exact figures matter, they come from the game's own components rather than from outside claims.

For background on probability and decision-making, see Wikipedia's overview of probability and Encyclopaedia Britannica on probability theory.