@startuml

!include skinparams.puml

package GameModule {
    class GameIO
    class GameState
    class GameTree
    class GameMove
}

GameIO -> GameState
GameState -> GameTree
GameTree -> GameMove

package EngineModule {
    class EngineIO
    class EngineLogic
    interface DecisionAlgorithm
    class DecisionAlgorithm2
    class DecisionAlgorithm1
}

EngineIO --> EngineLogic
EngineLogic -> DecisionAlgorithm
DecisionAlgorithm <|.. DecisionAlgorithm1
DecisionAlgorithm <|.. DecisionAlgorithm2

EngineLogic --> GameTree

@enduml