Author(s): HERNANDEZ, J., HINTERMANN, M., WIDMER, C., BORN, D.P., TAUBE, W., ROMANN, M., Institution: FEDERAL OFFICE OF SPORT (FOSPO), Country: SWITZERLAND, Abstract-ID: 2356

INTRODUCTION:
Match balance in youth soccer is increasingly discussed from developmental and motivational perspectives. According to Self-Determination Theory (Deci & Ryan, 2012), optimal motivation emerges when individuals experience competence in appropriately challenging situations. Similarly, the concept of optimal challenge (Harter, 1978) suggests that enjoyment and intrinsic motivation are highest when demands and abilities are well aligned. In contrast, repeated exposure to highly unbalanced matches may lead to underchallenge or overchallenge, negative emotions (Wetzel et al., 2021), and increased dropout risk (Back et al., 2022).
Competitive Engineering approaches emphasize structural adaptations to create more balanced contests in youth sport (Burton et al., 2011). Empirical findings indicate that close games are associated with higher intrinsic motivation than clear blowouts (Meng et al., 2016). Nevertheless, match balance in youth soccer is predominantly operationalized using goal difference, while multidimensional assessments remain limited in the literature.
METHODS:
A narrative literature review on match balance and motivational processes in youth sport was conducted. In addition, a descriptive analysis of a Swiss youth football sample (D9, U11–U13). Official results from a regional D9 league (2nd performance level) were analyzed across one competitive season, focusing on goal difference distributions.
RESULTS:
Across the reviewed literature, goal difference remains the dominant indicator of match balance, while psychological and performance-related dimensions are rarely integrated. In the analyzed Swiss D9 league, substantial imbalances were observed. Average goal differences per match ranged between 5 and 12 goals. Across one season, cumulative team goal differences varied from –70 to +52 goals, indicating pronounced disparities in competitive level. Such large scorelines are associated with reduced engagement and lower perceived competence (Sousa et al., 2021). A measure taken by the Dutch Football Association showed that introducing an index based on goal difference can improve the balance of games. However current literature indicates that additional indicators could play a role.
CONCLUSION:
Although theoretical and empirical evidence highlights the importance of optimally challenging competitive environments, current research and practice largely equate match balance with goal difference. The analysis of a Swiss sample illustrates both the magnitude of imbalance in certain contexts and the potential of structured index-based approaches. A multidimensional conceptualization of match balance beyond scorelines appears necessary to better support motivation, development, and long-term engagement in youth soccer.