gamesmanship
Concise Oxford English Dictionary © 2008 Oxford University Press:
gamesmanship/ˈɡeɪmzmənʃɪp/
▶noun the art of winning games by using various ploys and tactics to gain a psychological advantage.
– derivatives
gamesman noun (pl. gamesmen).
gamesman noun (pl. gamesmen).
'gamesmanship' also found in these Oxford entries:

