BishBosh.Model.DrawReason

AUTHOR

Dr. Alistair Ward

DESCRIPTION

• Itemises the ways in which a game may be declared a draw.
• Each reason corresponds to a rule in chess.

Types

Data-types

data DrawReason

The ways in which a game can be drawn.

Instances

Eq DrawReason

Methods

(==) :: DrawReason -> DrawReason -> Bool

(/=) :: DrawReason -> DrawReason -> Bool

Read DrawReason

Methods

readsPrec :: Int -> ReadS DrawReason

readList :: ReadS [DrawReason]

readPrec :: ReadPrec DrawReason

readListPrec :: ReadPrec [DrawReason]

Show DrawReason

Methods

showsPrec :: Int -> DrawReason -> ShowS

show :: DrawReason -> String

showList :: [DrawReason] -> ShowS

NFData DrawReason

Methods

rnf :: DrawReason -> ()

Constants

maximumConsecutiveRepeatablePlies :: NMoves

The number of consecutive plies required to trigger a draw by the seventy-five move rule.

maximumConsecutiveRepeatablePositions :: NMoves

The number of consecutive repeatable positions required for a draw by the five-fold repetition rule.

byAgreement :: DrawReason

Constant.

seventyFiveMoveRule :: DrawReason

Constant.

insufficientMaterial :: DrawReason

Constant.

staleMate :: DrawReason

Constant.

fiveFoldRepetition :: DrawReason

Constant.

range :: [DrawReason]

The constant range of possible values.