Secret-Choice Contest Mechanics
Overview
Secret-choice contest mechanics replace flat opposed rolling with simultaneous tactical commitment. Each side secretly chooses from a short menu, then the matchup determines what kind of advantage they gain.
The result is a compact mind-game loop that creates tension in duels, chases, arguments, reeling contests, and other one-on-one struggles.
Core Pattern
The mechanic works because each choice expresses a different kind of advantage:
- defensive stability
- forceful pressure
- deceptive initiative
When both sides choose at once, the contest becomes a prediction game rather than a pure stat check.
Standard Procedure
- Give both sides the same short tactic menu.
- Have them choose in secret.
- Reveal simultaneously.
- Apply the matchup benefit.
- Resolve the underlying action with that temporary advantage.
- Repeat until the contest breaks, lands, yields, or changes mode.
Why It Works at the Table
- The menu is small enough to learn immediately.
- Repeated rounds build reads and counter-reads between opponents.
- Bonus types can be retuned to suit the fiction.
- The system adds texture without requiring separate stat blocks.
Canonical Three-Choice Structure
The classic form uses three tactics:
- hold or defend
- force or press
- deceive or bait
One choice beats another in a readable triangle, and matching choices reward both sides in the same category. This keeps rounds decisive without making the loop random.
Tuning Knobs
You can adapt the same structure by changing what the rewards mean:
- accuracy bonus for feints or deception
- damage or progress bonus for aggressive pressure
- defense, stability, or control bonus for cautious play
This lets the same engine run sword duels, courtroom exchanges, psychic conflicts, or fishing struggles.
Referee Procedure
- Name the available tactical stances in the language of the activity.
- Keep the bonus types legible and few in number.
- Let the contest end once one side gains a concrete fiction advantage, not only when hit points hit zero.
- If players find a pattern, reward the read; that is the point of the mechanic.
Failure Modes
- Too many choices on the menu.
- Bonuses so small they do not matter.
- No fictional consequence beyond another repeated round.
- Using the system for contests that would be better resolved in one roll.
Practical Comparison Rule
Use secret-choice contest mechanics when a confrontation should feel like a short series of reads and counter-reads. Use ordinary opposed rolling when the moment does not deserve repeated tactical focus.
See Also
- Duel Mechanics (Knock! Issue 1) - Reference summary of the Parry, Push, Feint implementation
- Zone-Based Combat - Spatial combat structure that can host a duel sub-loop
- Waterborne Adventuring (OSE SRD) - Useful when adapting the contest loop to reeling, boarding, or nautical struggle scenes