Possible Clues:

• The European series at the end makes nothing with the game fixed
• "Phi, chi, psi" follower
• Alphabetical 51-Down?
• Last in series after a long time, and a brief one, are up
• Letter on some Swiss watches
• Greek ''Z''
• Character of one's years a short time back
• Foreign character's appeal to nameless Welsh girl
• The end?
• Final outcome nothing very special