Possible Clues:

• Strategic opening of play in tense state
• Of carefully planned actions to achieve ends
• Sort of error made by clumsy tic-tac man?
• Strategic conversation almost about part of play I caught
• With diplomacy, I mostly reduce tension, according to plan
• Employing strategy
• Getting into contact, I called it skilfully planned
• Politic
• Relating to manoeuvres in the presence of the enemy