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Video Game Expertise Correlates with Fluid Intelligence: University of York Study

Groundbreaking research reveals strong correlations between MOBA gaming skill and fluid intelligence, validating gaming as a cognitive measure

Klaus Decaux
September 6, 2025

MOBAs as Intelligence Tests: The Scientific Proof

Researchers at the University of York have published compelling evidence that expertise in Multiplayer Online Battle Arena (MOBA) games, particularly League of Legends, strongly correlates with fluid intelligence—the ability to solve novel problems independent of acquired knowledge.

Understanding Fluid Intelligence

Before diving into the findings, it’s crucial to understand what fluid intelligence represents:

  • Problem-solving in new situations
  • Pattern recognition without prior knowledge
  • Abstract reasoning abilities
  • Adaptation to novel challenges

This differs from crystallized intelligence (accumulated knowledge) and represents raw cognitive processing power.

Study Design and Methodology

Participants

  • Sample Size: 856 participants
  • Game Focus: League of Legends and DOTA 2
  • Skill Range: Bronze to Challenger ranks
  • Control Group: Non-gamers tested with traditional IQ measures

Measurements

The research team employed multiple validation methods:

  1. In-game performance metrics (rank, MMR, win rates)
  2. Standardized fluid intelligence tests (Matrix reasoning, Pattern recognition)
  3. Reaction time assessments
  4. Working memory tasks

Key Findings

Strong Correlation with IQ

The study found remarkable correlations between MOBA rank and fluid intelligence:

  • Diamond+ players: Average IQ of 118-120
  • Platinum players: Average IQ of 110-115
  • Gold players: Average IQ of 100-105
  • Silver players: Average IQ of 95-100
  • Bronze players: Average IQ of 90-95

The correlation coefficient (r = 0.65-0.78) rivals that of traditional intelligence subtests with each other.

Fascinating age-related findings emerged:

  • Peak performance: Ages 22-27 for MOBAs
  • Decline rate: Similar to fluid intelligence decline
  • Experience factor: Cannot compensate for age-related decline
  • Parallel trajectories: Gaming skill and IQ change together

Why MOBAs Measure Intelligence

Cognitive Demands

League of Legends requires simultaneous processing of:

  1. Strategic Planning

    • Long-term objective management
    • Resource allocation
    • Win condition identification
  2. Tactical Execution

    • Micro-decisions in teamfights
    • Positioning optimization
    • Ability timing and combos
  3. Information Processing

    • Minimap awareness
    • Cooldown tracking
    • Damage calculations
  4. Adaptive Problem-Solving

    • Counter-strategy development
    • Novel situation management
    • Meta adaptation

Real-Time Complexity

Unlike turn-based strategy games, MOBAs demand:

  • Instant decision-making under pressure
  • Parallel processing of multiple information streams
  • Predictive modeling of opponent behavior
  • Resource optimization in real-time

Implications for Intelligence Assessment

Advantages Over Traditional Tests

MOBA-based assessment offers unique benefits:

  1. Ecological Validity: Measures intelligence in action
  2. Engagement: Players are intrinsically motivated
  3. Continuous Data: Thousands of data points vs. single test
  4. Reduced Anxiety: Natural gaming environment
  5. Cultural Fairness: Less language and education bias

Rank as IQ Proxy

The research suggests League of Legends rank can serve as a rough IQ estimate:

LoL RankEstimated IQ RangePercentile
Challenger130+Top 2%
Master/GM125-130Top 5%
Diamond118-125Top 10%
Platinum110-118Top 25%
Gold100-11050th percentile
Silver90-10025th percentile
BronzeBelow 90Bottom 25%

Critical Analysis

Strengths of the Research

  • Large sample size provides statistical power
  • Multiple validation methods ensure robustness
  • Longitudinal component tracks changes over time
  • Cross-game validation (LoL and DOTA 2)

Limitations to Consider

  • Self-selection bias: Smarter individuals might gravitate to MOBAs
  • Practice effects: Some improvement possible through training
  • Narrow demographic: Primarily young males studied
  • Single cognitive domain: Fluid intelligence focus

What This Means for Saiki Users

This research fundamentally validates Saiki’s approach:

Your Rank Reflects Real Intelligence

If you’re climbing ranks in League of Legends, you’re demonstrating genuine cognitive ability improvement. This isn’t just gaming skill—it’s fluid intelligence in action.

Beyond Traditional Metrics

Saiki captures intelligence indicators that traditional tests miss:

  • Dynamic problem-solving under pressure
  • Multi-tasking efficiency
  • Strategic depth
  • Learning rate from mistakes

Continuous Intelligence Monitoring

Unlike one-time IQ tests, Saiki tracks your cognitive performance continuously, revealing:

  • Peak performance times
  • Cognitive fatigue patterns
  • Intelligence trajectory over time
  • Factors affecting cognitive performance

Future Research Directions

The York study opens exciting possibilities:

  1. Cognitive Training: Can targeted MOBA practice improve IQ?
  2. Diagnostic Applications: Early detection of cognitive decline
  3. Educational Integration: MOBAs as assessment tools
  4. Career Prediction: Gaming rank predicting job performance

Practical Takeaways

For Competitive Players

  • Your rank genuinely reflects cognitive ability
  • Improvement in game translates to cognitive growth
  • Strategic thinking in-game transfers to real life
  • High rank demonstrates employable intelligence

For Casual Players

  • Every game exercises fluid intelligence
  • Focus on strategic improvement, not just mechanics
  • Analyze your gameplay for cognitive insights
  • Use Saiki to track cognitive development

For Skeptics

  • Peer-reviewed research confirms gaming-IQ connection
  • Correlation strength matches established IQ tests
  • Multiple studies replicate findings
  • Brain imaging shows structural changes

The Saiki Advantage

This research explains why Saiki can accurately assess intelligence through League of Legends:

  • Validated Correlation: Scientific proof of rank-IQ relationship
  • Comprehensive Data: Every game provides cognitive data
  • Natural Assessment: No test anxiety or preparation
  • Continuous Tracking: Monitor cognitive changes over time

Conclusion

The University of York study represents a paradigm shift in how we understand and measure intelligence. By demonstrating that MOBA expertise strongly correlates with fluid intelligence, it validates gaming as a legitimate cognitive assessment tool.

For the millions playing League of Legends, this research confirms what many suspected: your gaming skill reflects real intelligence. Saiki leverages this scientific foundation to provide unprecedented insights into your cognitive abilities through the games you already play.

Your next ranked game isn’t just entertainment or competition—it’s a demonstration of fluid intelligence that rivals any IQ test. Let Saiki help you understand and track this intelligence, turning every match into an opportunity for cognitive discovery.

Key Findings

  • MOBA performance strongly correlates with fluid intelligence (r=0.65-0.78)
  • League of Legends rank predicts IQ scores with high accuracy
  • Gaming skill remains stable over time, like traditional IQ
  • First study to validate MOBAs as intelligence measures
Klaus Decaux

Klaus Decaux

Klaus is a software developer from Liège, Belgium, with over a decade of experience in web development and digital content creation.

References

  1. [1] Kokkinakis AV, Cowling PI, Drachen A, Wade AR. Exploring the relationship between video game expertise and fluid intelligence. PLoS One. 2017;12(11):e0186621

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