Assertion: chess player's game | /r/HasProperty | subdivided the opening
Facets:
value: into stages of play
type: OTHER
value: loosely
type: MANNER
value: into three phases
type: OTHER
value: generally
type: MANNER
Source sentences:
text: A game of chess can generally be loosely subdivided into three phases or stages of play: the opening, followed by the middlegame, then last the endgame.