game outcome
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Author(s):  
Aron Laxdal ◽  
Andreas Ivarsson

The purpose of this study was to examine the relationship between legal stops and winning in team handball. Real-time analysis was performed on all games played in the Icelandic elite division for both males and females (regular season and playoffs) between 2017–2021 (854 games [570 male games, 284 female games], 32,392 legal stops in total). Legal stops were assessed as any physical action by a defensive player that resulted in the stop of play, without the defensive player being penalized or the offensive player receiving a 7-meter throw. The results from a multinomial logistic regression analysis indicated that legal stops were significantly associated with winning games in the male league. No statistically significant relationship was found between illegal stops and game outcome for either sex. However, 2-minute suspensions were found to be positively associated with winning in the male league.


Author(s):  
Susana López ◽  
Guillermo Owen ◽  
Martha Saboya

AbstractStandard approaches to model interaction networks are limited in their capacity to describe the nuances of real communication. We present a game theoretical framework to quantify the effect of intermediaries on the interaction between agents. Inspired by the seminal work Myerson (1977). on cooperative structures in cooperative games, we set the basis for multidimensional network analysis within game theory. More specifically, an extension of the point-arc game Feltkamp and van den Nouwe51 land (1992). is introduced, generalizing the analysis of cooperative games to multigraphs. An efficient algorithm is proposed for the computation of Shapley value of this game. We prove the validity of our approach by applying it to a intermediaries network model. We are able to recover meaningful results on the dependence of the game outcome on the intermediaries network. This work contributes to the optimal design of networks in economic environments and allows the ranking of players in complex networks.


2021 ◽  
Vol 2 (Supplement_1) ◽  
pp. A14-A14
Author(s):  
J Leota ◽  
D Hoffman ◽  
L Mascaro ◽  
E Facer-Childs

Abstract Introduction Elite athletes are often required to travel for National and International competitions. However, the direction (westwards or eastwards), time zones crossed, and recovery days relative to their opponents may influence team success. The aim of this study was to determine whether differences in jetlag-induced circadian misalignment and number of recovery days between National Basketball Association (NBA) teams influenced the subsequent game result. Methods A total of 11,598 games from the 2011/2012 to the 2020/2021 seasons were analysed using mixed models with two fixed effects (travel, recovery) and three random effects (team, opponent, game time). Mediation modelling was also performed to determine if any influence of the fixed effects were mediated by another variable. The data is presented from the home team’s perspective. Results Teams with more recovery days between games, won by larger margins (F = 5.0, p < 0.001). Compared to one fewer recovery day (1.45 ± 13.92), one more recovery day (3.53 ± 13.51) advantaged the home team by 2.08 points (d = 0.15). The effect of travel on greater home team margins was completely mediated via recovery day differences (95% CI -0.11 to -0.03, p = 0.002). Discussion Using 10 seasons of data, our findings show that regardless of travel, recovery days between games significantly impact game margins. An advantage in recovery days should be considered for teams who travel more time zones westwards relative to their opponent. This suggests inequalities of the NBA schedule may be minimised for future seasons.


2021 ◽  
Vol 12 ◽  
Author(s):  
Jing Wen Pan ◽  
John Komar ◽  
Shawn Bing Kai Sng ◽  
Pui Wah Kong

This study aimed to quantify the break shot characteristics and identify their significance in predicting the game outcomes in 9-ball tournaments. The break shots of 275 frames (241 men’s, 34 women’s) of professional tournaments were analyzed from two aspects: (1) cue ball position, represented by the distance between the cue ball and the table center, and (2) ball distribution, indicated by the standard deviation of Voronoi cell areas determined from all remaining balls on the table. Spearman correlation and binary logistic regression were utilized to identify associations and to predict the frame outcomes, respectively. Results showed that the more balls falling into the pockets during the break, the more clustered the remaining balls (rs = 0.232, p < 0.001). The closer the cue ball ending toward the table center, the more balls potted in the visit immediately after the break (rs = −0.144, p = 0.027). Neither cue ball position nor ball distribution could predict table clearance or winning of a frame. In conclusion, pocketing more balls during the break is associated with more clustered balls remaining on the table. Parking the cue ball near the table center after the break can facilitate potting more balls immediately after.


2021 ◽  
Vol 38 (5) ◽  
pp. 896-907
Author(s):  
Christoph Breuer ◽  
Christopher Rumpf ◽  
Felix Boronczyk

2021 ◽  
Vol 13 (4) ◽  
pp. 2312
Author(s):  
Elisa Herold ◽  
Felix Boronczyk ◽  
Christoph Breuer

In-stadium spectators affect the emotional value and atmosphere of sport live broadcasts. Due to the COVID-19 pandemic, in Europe, the presence of in-stadium spectators, however, was suspended until further notice. Conceptualizing professional clubs as economic platforms, network effects due to the lack of in-stadium spectators may affect stakeholders’ utility. Thus, the main aims of this study are to examine the influence of missing in-stadium spectators for professional clubs by investigating network effects on (1) TV viewers’ emotional arousal and (2) TV viewers’ attention towards sponsor messages during live football broadcasts. Using a quantitative research design, a controlled lap was conducted, and broadcasts were presented to n = 26 highly involved participants. Heart rate, eye-tracking, and betting odds data served as measurements of arousal, attention, and game outcome uncertainty and were aggregated on a second-by-second basis (k = 140,400). Multilevel regression analysis showed significant differences in viewers’ arousal and attention to sponsors, contingent on the presence of in-stadium spectators and game outcome uncertainty. The presence of in-stadium spectators increased arousal, while attention towards sponsor messages decreased, depending on game outcome uncertainty. Based on the presence of network effects, implications to sustainably adapting professional football clubs’ business models based on stakeholders’ different interests can be given.


2021 ◽  
Vol 77 (1) ◽  
pp. 287-296
Author(s):  
Kazimierz Mikołajec ◽  
Damian Banyś ◽  
Justyna Żurowska-Cegielska ◽  
Marek Zawartka ◽  
Karol Gryko

Abstract The main aim of this study was to establish game-related statistics that determined sport results in the Basketball EuroLeague between 2003 and 2016. The study encompasses matches played by 10 teams during 13 consecutive seasons of the EuroLeague. Twenty-two offensive and defensive game related variables were registered. Calculations were performed to establish which of the variables determined performance in the Basketball EuroLeague matches within the analysed period. Based on a number of mathematical and statistical analyses, the elements of play that had the highest effect on sports success were selected. The following determinants displayed the most significant correlations with sport results in the EuroLeague within the analysed period: two-point shots made (2PT-made), two-point shot attempts (2PT-attempts), three-point shots made (3PT-made), one-point shots made (1PT-made), one-point shot attempts (1PT-attempts), assists, fouls and field goals made. The game outcome in basketball is influenced by many variables which may not always be significant in a given match. However, the continuous effort to maintain these variables at the highest possible level is advantageous over less-organised teams.


Author(s):  
Daniel Castillo ◽  
Javier Raya-González ◽  
Filipe Clemente ◽  
Daniele Conte ◽  
Alejandro Rodríguez-Fernández

2020 ◽  
Vol 26 ◽  
pp. 33-39
Author(s):  
Alon Eliakim ◽  
Eyal Taoz ◽  
Dan Nemet ◽  
Eyal Eliakim ◽  
Sigal Ben-Zaken ◽  
...  

Extra-time (ET) of 30 minutes is played if football match scores are level after 90 minutes in tournament knockout play. The demanding schedule of these tournaments along with possible ET matches in the knockout stages significantly increase players’ overload and injury risk. Present study aimed to determine whether ET during major football national team tournaments contributes to the game outcome. Data on the percentage of elimination matches that needed ET, and the percentage of ET matches that eventually required shootouts were retrieved. Over the years, increased number of participating teams lead to increased number of knockout games, and more knockout games needed ET (13% until 1978, 33% from 1982, in FIFA World Cup). In a significant percentage of matches, the ET itself did not determine the winning team, and the majority of ET matches winners were determined by shootouts (FIFA World Cup since 1982: 60.8%; UEFA European championship: 61.3%; Copa America: 92%). The purpose of playing ET is to make a fair game outcome, and not leave the winning decision for shootouts. However, since in most matches ET does not determine the winner, while significantly increasing the player’s overload and injury susceptibility, the need for ET mandates rethinking.


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