Package featurecat.lizzie.analysis

Class Leelaz

java.lang.Object

featurecat.lizzie.analysis.Leelaz

public class Leelaz
extends java.lang.Object

An interface with leelaz go engine. Can be adapted for GTP, but is specifically designed for GCP's Leela Zero. leelaz is modified to output information as it ponders see www.github.com/gcp/leela-zero

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
class	Leelaz.WinrateStats

Field Summary

Fields

Modifier and Type	Field	Description
boolean	isSettingHandicap
boolean	isThinking
static double	mHandicapWinrate

Constructor Summary

Constructors

Constructor	Description
Leelaz()	Initializes the leelaz process and starts reading output

Method Summary

Modifier and Type	Method	Description
void	addListener(LeelazListener listener)
int	currentEngineN()
java.lang.String	currentWeight()
java.lang.String	engineCommand()
void	estimatePassWinrate()
void	genmove(java.lang.String color)
java.util.List<MoveData>	getBestMoves()
java.util.Optional<java.lang.String>	getDynamicKomi()
Leelaz.WinrateStats	getWinrateStats()
boolean	isLoaded()
boolean	isPondering()
void	normalQuit()
void	playMove(Stone color, java.lang.String move)
void	removeListener(LeelazListener listener)
void	restartEngine(java.lang.String engineCommand, int index)
void	sendCommand(java.lang.String command)	Sends a command to command queue for leelaz to execute
void	shutdown()	End the process
void	startEngine(java.lang.String engineCommand)
boolean	switching()
void	togglePonder()
void	undo()
static double	winrateToHandicap(double pWinrate)	Convert winrate to handicap stones, by normalizing winrate by first move pass winrate (one stone handicap).

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

isSettingHandicap

public boolean isSettingHandicap

isThinking

public boolean isThinking

mHandicapWinrate

public static double mHandicapWinrate

Constructor Detail

Leelaz

public Leelaz()
       throws java.io.IOException,
              org.json.JSONException

Initializes the leelaz process and starts reading output

Throws:

java.io.IOException

org.json.JSONException

Method Detail

startEngine

public void startEngine(java.lang.String engineCommand)
                 throws java.io.IOException

Throws:

java.io.IOException

restartEngine

public void restartEngine(java.lang.String engineCommand,
                          int index)
                   throws java.io.IOException

Throws:

java.io.IOException

normalQuit

public void normalQuit()

sendCommand

public void sendCommand(java.lang.String command)

Sends a command to command queue for leelaz to execute

Parameters:

command - a GTP command containing no newline characters

playMove

public void playMove(Stone color,
                     java.lang.String move)

Parameters:

color - color of stone to play

move - coordinate of the coordinate

genmove

public void genmove(java.lang.String color)

undo

public void undo()

togglePonder

public void togglePonder()

shutdown

public void shutdown()

End the process

getBestMoves

public java.util.List<MoveData> getBestMoves()

getDynamicKomi

public java.util.Optional<java.lang.String> getDynamicKomi()

isPondering

public boolean isPondering()

getWinrateStats

public Leelaz.WinrateStats getWinrateStats()

estimatePassWinrate

public void estimatePassWinrate()

winrateToHandicap

public static double winrateToHandicap(double pWinrate)

Convert winrate to handicap stones, by normalizing winrate by first move pass winrate (one stone handicap).

addListener

public void addListener(LeelazListener listener)

removeListener

public void removeListener(LeelazListener listener)

isLoaded

public boolean isLoaded()

currentWeight

public java.lang.String currentWeight()

switching

public boolean switching()

currentEngineN

public int currentEngineN()

engineCommand

public java.lang.String engineCommand()