The Cache
Welcome to another in the GSM series. The cache is not at the listed coordinates, which is near GSM#04 (GC846F0) placed early on in this series (March 2019). This cache is a custom creation themed on the puzzle presented below. There will be either 6 or 7, depending on whether you include the ball Freddo gave me at Goldy's CITO. Retrieve the cache and victory will be yours, you may lift the cache high in celebration, but you probably should refrain from kissing it.
The Courts
The courts here in Mellor Park underwent renovations in 2021, with some shiny new ones providing amenities to locals. The upgrade included new toilets and a fresh new car park and landscaping.
Tie Breaker
A tennis tie-breaker is played when the game score in a set is 6-6. At this point, players will engage in a 7-point tie-break to decide the set. This means the first player to reach 7 points wins the tie-breaker, and subsequently the set. A player must also win the tie-breaker by 2 points clear, meaning first to 7 but win by 2. For example, final tie-breaker scores might be 7-5, 8-6, 10-8.
There is no limit to how high the score can go in a tie-break. The tie-breaker continues until one of the players wins by 2.
The player who received serve during the 12th game (the game that made the game score 6-6) will begin serving the tie-breaker. That player will serve 1 point from the deuce side (right-hand side). Serving then alternates between players, each serving for two points, the first being from the advantage side (left-hand side). Scoring is consecutive numerical, for example 1-2-3. Players will swap ends at multiples of 6 points.
Once the tie-breaker concludes, the set is reported as a 7-6. The exact score of the tie-break does not matter (it could have been 7-0), the set score is still put in the books as 7-6. In local tennis competitions, however, the tie-break score is typically written into the scoresheet, especially if it was notable. For example, 7-6 (16-14).
The Puzzle
Solve the tie-breaker puzzle and you will be rewarded with coordinates for GZ. Plenty of 7s and 6s for you to ponder. Both the puzzle and the cache will be an exercise in dexterity. Conditional formatting will save you some time
777777767
676667777
777766666
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666676666
777777767
776676767
776767666
666766677
676666677
667677766
677776766
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766666767
676666676
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