High-Danger Scoring Chance Generation

Overview

This pillar analyzes a hockey player's ability to generate shots from high-probability scoring areas. It moves beyond simple shot counts to measure the quality of a player's opportunities, offering a leading indicator of future goal production.

What It Does

It identifies and quantifies every shot taken from the 'slot' and 'inner slot' areas of the ice, where goal-scoring probability is highest. The pillar then calculates a player's rate of generating these 'high-danger' chances, typically normalized per 60 minutes of ice time (iHDCF/60). This allows for fair comparison between players with different playing times.

Why It Matters

A player who consistently generates high-danger chances is more likely to score goals in the future, even if they are in a temporary slump. This provides a predictive edge over markets that may overvalue recent hot streaks or undervalue players with poor recent luck but strong underlying performance.

How It Works

First, the system ingests play-by-play data, including the on-ice coordinates for every shot attempt. Each shot is then classified as high, medium, or low-danger based on its location. High-danger chances are attributed to the shooting player, and the data is aggregated over a specific period. Finally, this total is converted into a rate statistic to evaluate a player's repeatable skill in creating quality shots.

Methodology

The primary metric is Individual High-Danger Chances For per 60 minutes (iHDCF/60). The high-danger area is a defined zone in front of the net, encompassing the slot. Analysis is typically conducted using a rolling 10 to 25 game window to balance sample size with recent performance. This metric is a key input for more complex models like Individual Expected Goals (ixG).

Edge & Advantage

This pillar identifies players whose goal-scoring potential is not yet reflected in their box score stats, creating opportunities to position on them before their performance regresses to the mean.

Key Indicators

• iHDCF/60 (Individual High Danger Chances For per 60)

  high

  Measures the rate at which a player generates scoring chances from the most dangerous area of the ice.

• ixG (Individual Expected Goals)

  high

  A model that assigns a probability to every unblocked shot attempt becoming a goal, with shot location as a primary input.

• Avg. Shot Distance

  medium

  The average distance from the net for all of a player's shot attempts; a lower number suggests better shot quality.

Data Sources

• Natural Stat Trick

  Provides comprehensive, publicly available advanced hockey statistics for the NHL.

• MoneyPuck

  Offers NHL analytics, including live win probability models and expected goals data.

• Evolving-Hockey

  A subscription-based source for advanced hockey stats and models like RAPM and xSPAR.

Example Questions This Pillar Answers

• → Will Auston Matthews score a goal tonight against the Canadiens?
• → Will Connor McDavid record over 4.5 shots on goal in his next game?
• → Which player will score the first goal in the Stanley Cup Final?

Tags