Kuhn poker
Description
Kuhn poker is a simplified poker with three cards: J, Q, and K.
Rules
Each player is dealt one card and the remaining card is unused. There are two actions: bet and pass and five possible scenarios.
bet (1st) - bet (2nd): Showdown and the winner takes+2bet (1st) - pass (2nd): 1st player takes+1pass (1st) - pass (2nd): Showdown and the winner takes+1pass (1st) - bet (2nd) - bet (1st): Showdown and the winner takes+2pass (1st) - bet (2nd) - pass (1st): 2nd takes+1
Specs
| Name | Value |
|---|---|
| Version | v1 |
| Number of players | 2 |
| Number of actions | 2 |
| Observation shape | (7,) |
| Observation type | bool |
| Rewards | {-2, -1, +1, +2} |
Observation
| Index | Description |
|---|---|
[0] |
One if J in my hand |
[1] |
One if Q in my hand |
[2] |
One if K in my hand |
[3] |
One if 0 chip is bet by me |
[4] |
One if 1 chip is bet by me |
[5] |
One if 0 chip of the opponent |
[6] |
One if 1 chip of the opponent |
Action
There are four distinct actions.
| Action | Index |
|---|---|
| Bet | 0 |
| Pass | 1 |
Rewards
The winner takes +2 or +1 depending on the game payoff.
As Kuhn poker is zero-sum game, the loser takes -2 or -1 respectively.
Termination
Follows the rules above.