gamesmanship (n.)

• acuteness
• art
• artfulness
• artifice
• astuteness
• cleverness
• competition
• craft
• craftiness
• cunning
• emulation
• finesse
• foxiness
• guile
• ingeniousness
• insidiousness
• inventiveness
• one-upmanship
• readiness
• resourcefulness
• rivalry
• sharpness
• shiftiness
• shrewdness
• slipperiness
• slyness
• sneakiness
• sophistry
• stealth
• stealthiness
• subtlety
• suppleness
• trickiness
• wariness
• wiliness
• wit