A pro-level module breaking down modern NHL analytics: shot-quality models, high-danger scoring, Ice Tilt momentum, speed tracking, projected goals, possession metrics and elite player evaluation. Lessons crafted in the signature coaching style of Mark Lehtonen for the IHM Academy.
IHM Academy – Performance Metrics Masterclass – Lesson 30
Lesson 30 – Offensive Layering Index (OLI) & Secondary Threat Activation Date: 13 January Introduction Modern offensive hockey is no longer built around a single primary attack option. Elite teams consistently score because they operate in layers. The Offensive Layering Index (OLI) is designed to measure how effectively a team creates, maintains, and activates multiple…
IHM Academy – Performance Metrics Masterclass – Lesson 29
Lesson 29 – Zone Entry Denial Efficiency (ZEDE) & Blue Line Standup Discipline Date: 13 January Lesson Focus: This lesson explains how teams suppress offense before it starts by denying controlled zone entries. We define Zone Entry Denial Efficiency (ZEDE), break down what it measures, how it appears on the ice, and how Coach Mark…
IHM Academy – Performance Metrics Masterclass – Lesson 28
Lesson 28 – Transition Recovery Rate (TRR) & Structural Reset Speed Lesson Focus: This lesson explains how quickly and consistently a team restores its defensive and transitional structure after puck loss. We break down why recovery speed, spacing discipline, and first-read decisions define whether transitions become threats or are neutralized early. Extended Core Definition Transition…
IHM Academy – Performance Metrics Masterclass – Lesson 27
Lesson 27 – Matchup Stress Index (MSI) & Exploiting Line Mismatches Lesson Focus: This lesson explains how coaching staffs and elite teams create controlled pressure by targeting unfavorable matchups, forcing specific lines, pairs, or individuals into sustained stress. We break down what MSI measures, how it shows up on the ice, and how Coach Mark…
IHM Academy – Performance Metrics Masterclass – Lesson 26
Lesson 26 – Net-Front Control Differential (NFCD) & Slot Chaos Generation Extended Core Definition Net-Front Control Differential (NFCD) measures which team consistently controls the low-slot and crease area during live play. It evaluates positioning, stick dominance, body leverage, timing of box-outs, and the ability to either create or eliminate chaos directly in front of the…
IHM Academy – Performance Metrics Masterclass – Lesson 25
Lesson 25 – Late-Shift Structural Collapse Probability (LSCP) & Fatigue Exposure Index Extended Core Definition Late-Shift Structural Collapse Probability (LSCP) measures the likelihood that a team’s defensive or transitional structure breaks down due to accumulated fatigue within extended or poorly managed shifts. Unlike basic time-on-ice metrics, LSCP focuses on structural degradation rather than physical exhaustion…
IHM Academy – Performance Metrics Masterclass – Lesson 24
Lesson 24 – Reversal Suppression Index (RSI) & Forecheck Pressure Collapse Probability Extended Core Definition Reversal Suppression Index (RSI) measures how effectively a team prevents opponents from executing clean puck reversals during retrieval under pressure. A reversal is one of the safest and most effective escape mechanisms in modern hockey. RSI evaluates how quickly and…
IHM Academy – Performance Metrics Masterclass – Lesson 23
Lesson 23 – Cross-Lane Activation Rate (CLAR) & East-West Threat Probability Extended Core Definition Cross-Lane Activation Rate (CLAR) measures how frequently a team triggers east-west puck movement inside the offensive zone with synchronized support layers. It evaluates timing, spacing, and the ability to stretch defensive shape horizontally, forcing goaltenders into lateral adjustments. High CLAR means…
IHM Academy – Performance Metrics Masterclass – Lesson 22
Lesson 22 – Zone Exit Efficiency (ZEE) & Breakout Stability Under Pressure Extended Core Definition Zone Exit Efficiency (ZEE) measures how reliably a team moves the puck out of its defensive zone with control when under forecheck pressure. It is not only about leaving the zone; it is about how the puck leaves the zone:…
IHM Academy · Performance Metrics Masterclass – Lesson 21
Lesson 21 – Bench Adaptation Index (BAI) & In-Game System Switching Extended Core Definition The Bench Adaptation Index (BAI) measures how effectively and rapidly a coaching staff modifies tactical systems when the original game plan fails. It reflects strategic intelligence, emotional control and structural flexibility of the bench. Hockey games are rarely won by original…
IHM Academy · Performance Metrics Masterclass – Lesson 20
Lesson 20 – Pace Disruption Index (PDI) & Tempo Control Extended Core Definition The Pace Disruption Index (PDI) measures how effectively a team destroys the opponent’s preferred rhythm and forces the game into an uncomfortable tempo. It reflects the ability to reset flow through neutral zone pressure, stoppage creation, forecheck timing and line deployment. Tempo…
IHM Academy · Performance Metrics Masterclass – Lesson 19
Lesson 19 – Defensive Compactness Ratio (DCR) & Slot Sealing Extended Core Definition DCR measures how tightly a defensive unit compresses space between the dots under sustained pressure. It reflects rotational discipline, net-front layering, and denial of inner-lane passes. Game Impact Map Tactical Layer Coaching Staff Layer DCR is drilled via net-front rotation systems and…
IHM Academy · Performance Metrics Masterclass – Lesson 18
Lesson 18 – Transition Speed Index (TSI) & Counter-Attack Structure Extended Core Definition The Transition Speed Index (TSI) measures how quickly and efficiently a team converts a defensive recovery into an organized attacking threat. It does not describe raw skating speed. It measures structural decision velocity under pressure: retrieval, first pass, support, lane activation, and…
IHM Academy · Performance Metrics Masterclass – Lesson 17
Lesson 17 – Shift Load & Fatigue Control The Hidden Physics of Winning Hockey Most fans watch the puck. Coaches watch oxygen debt. Fatigue management is the invisible layer of elite hockey control. 1. Average Shift Length (ASL) 2. High-Intensity Burst Count (HIBC) After the 4th full-speed burst, muscle efficiency drops by 22-28%. 3. Recovery…
IHM Academy · Performance Metrics Masterclass – Lesson 16
Lesson 16 – Slot Dominance Index Why Games Are Won in Five Square Meters The slot is not a location. It is a battlefield. Over 70% of elite-level goals originate from the slot area. Control of this zone decides offensive lethality and defensive survival. 1. Slot Entry Frequency (SEF) 2. Slot Shot Conversion (SSC) Measures…
IHM Academy · Performance Metrics Masterclass - Lesson 5
IHM Academy · Performance Metrics Masterclass - Lesson 4
IHM Academy · Performance Metrics Masterclass - Lesson 3
Performance Metrics Masterclass - Lesson 3 : Zone Entry Efficiency & Controlled Breakout Success
IHM Academy · Performance Metrics Masterclass - Lesson 2
IHM Academy - Performance Metrics Masterclass • Lesson 1