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The formula
HDSV% = saves on high-danger shots ÷ high-danger shots faced
Worked example
Of 30 shots faced, 10 come from the slot and the goalie stops 8: HDSV% = 80%. His overall 93% SV% hides that the other 20 shots were routine.
Measuring it only requires logging the zone of each shot faced during the game. RinkLog does it with one tap on the rink map and computes HDSV% automatically, with a shot heat map showing where the goalie excels and where he gets beaten.
RinkLog measures and computes all of this automatically during your hockey, ball hockey and ringette games.
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Frequently asked questions
What is HDSV%?
HDSV% (high-danger save percentage) is the save percentage computed only on high-danger shots, the ones from the slot, point-blank or off odd-man rushes. It isolates a goalie's performance on the toughest chances instead of averaging them in with routine shots.
How is HDSV% different from overall SV%?
Overall SV% includes every shot faced, easy and hard alike, so a goalie behind a strong defense can post a high SV% while rarely being tested. HDSV% strips out the easy shots and shows performance only on the shots that actually threaten to score.
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Create my free accountOn the same topic
- What is GSAx (goals saved above expected) for a goalie?GSAx measures how many goals a goalie prevented compared to what the danger of shots faced predicted: the calculation and how to read it.
- What is a quality start for a goalie?A quality start measures whether a goalie gave his team a real chance to win: definition, threshold and why consistency beats highlights.
- How do you calculate save percentage (SV%) in hockey?How to calculate a hockey goalie's save percentage: the SV% formula, a worked example and the benchmarks to interpret it.
- How do you calculate goals against average (GAA)?How to calculate a hockey goalie's goals against average (GAA): formula, worked example and the limits of this statistic.
- What is a good save percentage for a goalie?A good save percentage is .910 in the NHL, around .900 in junior and .850 to .900 in youth hockey. Benchmarks by level and by age group.

