Integer value that representing the result of a search

Pos represents a move coordinate on board

Result represents the outcome of a finished game (based on current side to move).

DBLabel represents a one-byte tag that attached to a node in the game DAG.

Helper class for reporting unsupported board size.

Direction represents one of the eight line directions on the board

* @brief An exception that will be thrown by `wait()`, `wait_for()`, and `wait_until()` if the user tries to call them from within a thread of the sam

Type of value bound of the alpha-beta search

The base exception class for a db storage error.

Helper class for reporting incompatible weight file (arch mismatch, etc).

A simple classification on onnx execution provider and device id.

Pattern4 is the combined type of 4 lines at one cell

Rule is the fundamental rule of the game

Helper class for reporting unsupported rule.

CandArea struct represents a rectangle area on board which can be considered as move candidate.

Color represents the type of piece on board

DBKey encodes the unique representation of one position, without redundancy of any symmetry and transposition. This is done by only storing the positi

DBRecordMask specify what parts of a record are selected.

GenType specifies which pattern types are allowed to generate.

Pattern is the type of a single line at one cell

SkillMovePicker class implements strength handicap by introducing randomness to select best move according to their eval and strength level.

TransformType represents one of the eight transforms.

AccLevel represents the accuracy level of the model's evaluation. Lower level means higher accuracy and slower evaluation speed, while higher level me

Thinking result action type

Balance2Move struct stores a move pair in balance2 move mode.

BalanceMoveValueComparator compares two root moves according to their distance to the balanced eval in balance move mode.

Board class is the main class used to represent a board position state. It also records the whole board history info and bitboard state, to speed up m

CandidateRange represents the options for different range of move condidates.

Cell struct contains all information for a move cell on board, including current stone piece, candidate, pattern, pattern4 and move score.

ColorFlag represents one of the three states in a cell: 1.self stone, 2.opponent stone, 3.empty cell.

CompactDBKey is a compact version of database key, which requires less memory by allocaing the minimal needed memory to store stone positions on the f

CoordConvertionMode represents the coordinate convertion mode for protocol IO.

DBClient class is the interface for querying and saving results of positions. It exposes a set of lookup functions that takes the Board object as inp

DBRecord contains all the information for one position.

DBStorage class defines the common interface to all database storages. Subclass of DBStorage should implement storage functionaility (read/write/flush

DataEntry struct represents a raw training data entry that generated by running a match between two engines. It contains the complete position (repres

DataWriter class is the base class for an iterable-style dataset writer.

Dataset class is the base class for a sequential iterable-style dataset.