Assertion: chess player's game | /r/HasAspect | three phases
Facets:
value: normally
type: DEGREE
Source sentences:
text: A game of chess is normally divided into three phases: the opening, typically the first 10 moves, when players move their pieces to useful positions for the coming battle; the middlegame; and last the endgame, when most of the pieces are gone, kings typically take a more active part in the struggle, and pawn promotion is often decisive.