Volume 89, Number 3, February 2010
|Number of page(s)||5|
|Section||Interdisciplinary Physics and Related Areas of Science and Technology|
|Published online||17 February 2010|
Soccer: Is scoring goals a predictable Poissonian process?
Westfälische Wilhelms Universität Münster, Institut für Physikalische Chemie - Corrensstr. 30, 48149 Münster, Germany, EU
2 Westfälische Wilhelms Universität Münster, Institut für Organische Chemie - Corrensstr. 40, 48149 Münster, Germany, EU
Corresponding author: firstname.lastname@example.org
Accepted: 12 January 2010
The non-scientific event of a soccer match is analysed on a strictly scientific level. The analysis is based on the recently introduced concept of a team fitness (Eur. Phys. J. B, 67 (2009) 445) and requires the use of finite-size scaling. A uniquely defined function is derived which quantitatively predicts the expected average outcome of a soccer match in terms of the fitness of both teams. It is checked whether temporary fitness fluctuations of a team hamper the predictability of a soccer match. To a very good approximation scoring goals during a match can be characterized as independent Poissonian processes with pre-determined expectation values. Minor correlations give rise to an increase of the number of draws. The non-Poissonian overall goal distribution is just a consequence of the fitness distribution among different teams. The limits of predictability of soccer matches are quantified. Our model-free classification of the underlying ingredients determining the outcome of soccer matches can be generalized to different types of sports events.
PACS: 89.20.-a – Interdisciplinary applications of physics / 02.50.-r – Probability theory, stochastic processes, and statistics
© EPLA, 2010
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