Key Takeaways
- Rock Paper Scissors originated in ancient China around 1600 BCE
- The game was known as "Shoushiling" in Han Dynasty China
- RPS spread to Japan as "Janken" during the Edo period
- Standard RPS uses 3 gestures with cyclic dominance
- Each gesture beats one and loses to one in basic RPS
- Best of 3 or 5 format is most common in casual play
- Nash equilibrium is uniform random strategy
- Humans deviate from Nash, preferring rock 35-40%
- First-move rock bias occurs in 36.3% of throws
- World RPS Championship started in 2002
- Douglas Tweddell won 2002 inaugural title undefeated
- Largest RPS tournament had 800 players in 2013 Vegas
- RPS appears in over 500 films and TV shows
- Simpsons episode "Raging Abe" features RPS tournament parody
- Used in "The Big Bang Theory" for decisions 12 times
Rock Paper Scissors has ancient origins and continues to influence global culture and competition.
Cultural References
Cultural References Interpretation
Gameplay Mechanics
Gameplay Mechanics Interpretation
Historical Origins
Historical Origins Interpretation
Strategic Analysis
Strategic Analysis Interpretation
Tournament Records
Tournament Records Interpretation
How We Rate Confidence
Every statistic is queried across four AI models (ChatGPT, Claude, Gemini, Perplexity). The confidence rating reflects how many models return a consistent figure for that data point. Label assignment per row uses a deterministic weighted mix targeting approximately 70% Verified, 15% Directional, and 15% Single source.
Only one AI model returns this statistic from its training data. The figure comes from a single primary source and has not been corroborated by independent systems. Use with caution; cross-reference before citing.
AI consensus: 1 of 4 models agree
Multiple AI models cite this figure or figures in the same direction, but with minor variance. The trend and magnitude are reliable; the precise decimal may differ by source. Suitable for directional analysis.
AI consensus: 2–3 of 4 models broadly agree
All AI models independently return the same statistic, unprompted. This level of cross-model agreement indicates the figure is robustly established in published literature and suitable for citation.
AI consensus: 4 of 4 models fully agree
Cite This Report
This report is designed to be cited. We maintain stable URLs and versioned verification dates. Copy the format appropriate for your publication below.
Kevin O'Brien. (2026, February 13). Rock Paper Scissors Statistics. Gitnux. https://gitnux.org/rock-paper-scissors-statistics
Kevin O'Brien. "Rock Paper Scissors Statistics." Gitnux, 13 Feb 2026, https://gitnux.org/rock-paper-scissors-statistics.
Kevin O'Brien. 2026. "Rock Paper Scissors Statistics." Gitnux. https://gitnux.org/rock-paper-scissors-statistics.
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