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The '''Prisoner's Gambit''' is a scum gambit that tends to crop up in [[Dilemma]] scenarios.  Aptly named after the Prisoner's Dilemma from game theory, it is perhaps best explained with an example.
The '''Prisoner's Gambit''' is a scum gambit that tends to crop up in [[Dilemma]] scenarios, named after the Prisoner's Dilemma in game theory.


The game state has three players alive - one [[Townie]], one [[Mafioso]], and one [[Serial Killer]].  The Townie has no incentive to lynch anyone, and votes No Lynch.  The Mafioso knows that they have to kill the Serial Killer this Night, and vice versa.
==When To Use==
 
When the player is one of two killing anti-town factions remaining (usually some set of [[Mafia]], [[Werewolf]], or [[Serial Killer]]), and the third player is a [[Townie]].
 
==Execution==
 
Suppose a game has one [[Townie]], one [[Mafioso]], and one [[Serial Killer]].  The Townie has no incentive to lynch anyone, and votes No Lynch.  The Mafioso knows that they have to kill the Serial Killer this Night, and vice versa.


At this point, one or both of the scum may gambit by offering to shoot the [[Townie]].  If both scum shoot the [[Townie]], then they may draw - not as good as a win, but better than a loss.  On the other hand, if they both shoot each other, the Townie will win (often unjustifiably given the Town's play if the game got to this point).  What is often left unsaid is that if, say, the Mafioso shoots the Townie and the SK shoots the Mafioso, the SK wins outright.
At this point, one or both of the scum may gambit by offering to shoot the [[Townie]].  If both scum shoot the [[Townie]], then they may draw - not as good as a win, but better than a loss.  On the other hand, if they both shoot each other, the Townie will win (often unjustifiably given the Town's play if the game got to this point).  What is often left unsaid is that if, say, the Mafioso shoots the Townie and the SK shoots the Mafioso, the SK wins outright.

Revision as of 10:48, 27 March 2018

The Prisoner's Gambit is a scum gambit that tends to crop up in Dilemma scenarios, named after the Prisoner's Dilemma in game theory.

When To Use

When the player is one of two killing anti-town factions remaining (usually some set of Mafia, Werewolf, or Serial Killer), and the third player is a Townie.

Execution

Suppose a game has one Townie, one Mafioso, and one Serial Killer. The Townie has no incentive to lynch anyone, and votes No Lynch. The Mafioso knows that they have to kill the Serial Killer this Night, and vice versa.

At this point, one or both of the scum may gambit by offering to shoot the Townie. If both scum shoot the Townie, then they may draw - not as good as a win, but better than a loss. On the other hand, if they both shoot each other, the Townie will win (often unjustifiably given the Town's play if the game got to this point). What is often left unsaid is that if, say, the Mafioso shoots the Townie and the SK shoots the Mafioso, the SK wins outright.

It is mathematically best to always shoot the other scum. But then again, the other scum knows that too, and they're supposed to be aiming at you, so it's probably better to persuade them to shoot the Townie... regardless of what you choose to do in the end.