Breaking Down the Flames' Corsi & Fenwick Numbers

Breaking Down the Flames' Corsi & Fenwick Numbers


In the modern era of the National Hockey League, success is increasingly measured not just by goals and wins, but by the underlying processes that lead to them. For the Calgary Flames, understanding these processes is critical for navigating a competitive Pacific Division and Western Conference. Two of the most pivotal metrics in this analytical revolution are Corsi and Fenwick. These advanced statistics provide a granular view of territorial dominance and shot attempt differentials, offering a more predictive look at team and player performance than traditional stats alone. This analysis delves into the Calgary Flames' Corsi and Fenwick numbers for the 2023-24 NHL season, examining what they reveal about the team's structure, key personnel, and trajectory under the guidance of Ryan Huska and Craig Conroy.


For a broader look at how the club utilizes data, visit our hub for Flames stats and metrics analysis.


Understanding the Fundamentals: Corsi & Fenwick Explained


Before dissecting the Flames' numbers, it’s essential to define these core metrics. Both are measures of shot attempt volume, expressed as a percentage (CF% and FF%) when comparing a team's attempts for versus against while a specific player is on the ice at 5-on-5 play.


Corsi (CF): Accounts for all shot attempts directed at the net, including goals, shots on goal, shots that miss the net, and shots that are blocked by an opposing player. It is the broadest measure of puck possession and offensive zone pressure.
Fenwick (FF): A slightly more selective metric, Fenwick includes all shot attempts except those blocked by the opposition. The theory is that blocked shots represent a defensive skill, while unblocked shot attempts (Fenwick) better reflect sustained offensive pressure and shot quality potential.


A team or player with a Corsi or Fenwick percentage above 50% is typically controlling the majority of shot attempts, a strong indicator of territorial advantage. Consistently high numbers correlate strongly with long-term success in the league. For a deeper primer, our guide on Flames advanced stats explained offers further detail.


The Flames' Team-Wide Performance: A Story of Two Zones


Analyzing the Calgary Flames' aggregate numbers for the 2023-24 NHL season paints a picture of a team caught in transition. Overall, the club has posted middling figures in both Corsi For Percentage (CF%) and Fenwick For Percentage (FF%), often hovering near the league median. This suggests a team that can play with pace and generate attempts but struggles with consistency, particularly in closing out defensive sequences.


A closer look reveals a significant disparity between performance at the Scotiabank Saddledome and on the road. At the Saddledome, fueled by the energy of the C of Red, the Flames typically post stronger possession numbers. Their forecheck is more effective, leading to sustained offensive zone time and a higher volume of shot attempts. Conversely, road games have seen the Flames more frequently on their heels, with a noticeable dip in their ability to drive play. This home/road split has been a critical factor in their standing within the Western Conference and is a key area Ryan Huska and his staff have sought to address.


Driving the Play: Flames Players with Elite Possession Metrics


Despite the team's inconsistent totals, several individual Calgary Flames players have excelled in driving play, often acting as engines for their respective lines.


Connor Zary: The rookie forward has been a revelation. His speed, intelligence, and tenacity on the puck have translated to excellent underlying numbers. Zary consistently posts CF% and FF% figures well above team average, indicating that the Flames generate significantly more offense than they allow when he is on the ice. His transition game has been a vital catalyst.
Nazem Kadri: While his point production has fluctuated, Kadri’s possession impact remains substantial. He thrives in the gritty areas, winning puck battles and maintaining offensive zone cycles. His line frequently tilts the ice, making him a crucial component in matchups against other top Pacific Division centers.
Jonathan Huberdeau: After a challenging first season in Calgary, Huberdeau’s underlying metrics have shown marked improvement as he’s grown more comfortable within the system. His elite vision and playmaking ability are reflected in strong Fenwick numbers, particularly when he is able to establish possession in the offensive zone with time and space.


These players form the core of the Flames' most effective units at controlling play, a foundation GM Conroy will look to build upon.


The Goaltending Factor: Jacob Markström's Influence on the Numbers


It is impossible to discuss shot-based metrics without acknowledging the role of goaltending. Jacob Markström’s performance is a variable that interacts directly with Corsi and Fenwick data. A high CF% indicates the Flames are limiting shot attempts against, but it is Markström’s job to stop the ones that get through.


There have been stretches where the Flames have posted strong possession numbers yet failed to secure wins due to unsustainable shooting percentages or subpar save percentages. Conversely, Markström has single-handedly stolen games where the Flames were out-attempted. The ideal scenario for sustained success is a combination of strong underlying metrics (a high team CF%/FF%) and elite goaltending. Markström’s ability to provide the latter allows the team to play with confidence and mitigates the impact of the occasional defensive breakdown.


Strategic Implications for Ryan Huska and the Coaching Staff


For head coach Huska, these metrics are not just abstract numbers but vital diagnostic tools. The Flames' middling team-wide possession stats highlight specific strategic focal points:

  1. Defensive Zone Exits: Improving clean breakouts is paramount. Turnovers at or near the defensive blue line immediately surrender shot attempts and negatively impact Corsi. Systems work focused on structured exits can directly boost possession numbers.

  2. Forechecking Pressure: The Flames are at their best when employing an aggressive, layered forecheck. This style directly generates turnovers in the offensive zone, leading to cycles and the high volume of shot attempts that Corsi measures. Maintaining this pressure for 60 minutes, especially on the road, is a constant challenge.

  3. Line Matching & Deployment: Utilizing players like Zary and Kadri in situations where they can maximize their possession strengths—such as offensive zone starts against favorable matchups—can help the Flames control the flow of games, particularly in tight contests against Western Conference rivals.


Case Study: The Battle of Alberta Through a Possession Lens


Applying this analytical framework to the Battle of Alberta provides a compelling case study. In recent meetings, the outcomes have often hinged on which team can establish and maintain territorial dominance. Games where the Flames have posted a CF% above 55% have typically featured their signature forecheck, limiting the time and space for Edmonton’s star players. Conversely, losses often correlate with the Flames being pinned in their own zone, facing a barrage of shot attempts.


These matchups underscore that while star power can decide games, the foundational battle is often won or lost in the aggregate of shifts, measured meticulously by Corsi and Fenwick. Winning the possession battle in this rivalry is frequently the precursor to winning on the scoreboard.


Practical Application: How to Interpret Flames Game Data


For fans watching at the Scotiabank Saddledome or from home, these concepts can deepen the understanding of the game’s flow. Instead of focusing solely on the shot counter, consider:


Shift-by-Shift Momentum: Is a line consistently starting their shifts in the offensive zone and keeping the puck there? This is a direct contributor to positive Corsi.
Blocked Shots: While a blocked shot is a celebrated defensive play, a high volume of them for the Flames indicates the opponent is generating a lot of attempts (hurting Calgary's Corsi), though it may slightly help their Fenwick.
Score Effects: Be mindful of the game state. A team leading by two goals in the third period will often sit back, willingly surrendering shot attempts to protect the middle of the ice. This can lead to misleadingly poor possession numbers for a team in a winning position.


Conclusion: What the Numbers Tell Us About the Flames' Path Forward


The Calgary Flames' journey through the 2023-24 NHL season is being charted, in part, by their Corsi and Fenwick metrics. They reveal a team with clear strengths—spearheaded by emerging talents like Connor Zary and anchored by veterans like Nazem Kadri—but also one grappling with consistency, particularly away from the Dome. The strategic emphasis from Ryan Huska on structure and pace is designed to improve these very numbers, translating possession into points in the standings.


For Craig Conroy, these analytics are invaluable for roster construction, identifying which players drive performance and which combinations work. As the Flames continue to evolve, their ability to consistently dominate the shot attempt share will be a leading indicator of their potential to climb the Pacific Division and become a perennial threat in the Western Conference.


Continue your deep dive into the data that shapes the team. Explore more detailed breakdowns and player-specific analytics in our comprehensive section on Flames stats and metrics analysis.

Connor Bryant

Connor Bryant

Lead Strategy Writer

Ex-college hockey coach providing deep tactical breakdowns of Flames systems and roster construction.

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