ABBA penalty shootout trials yield a more fair, balanced format

ABBA penalty shoot-out format: Here is a simple explainer

ABBA penalty shootout trials yield a more fair, balanced format

English Football League to trial 'ABBA' penalty shootout format

The fairness of long and short ABBA-sequences: A basketball free

World Cup penalty shootout rules: How it works, ABBA system or

New penalty shootout system known as 'ABBA' to be trialled

The Impact of Psychological Traits on Performance Under Pressure

FIFA World Cup set to use 'ABBA' format for Penalty Shoot-Out

PDF) A comparison of penalty shootout designs in soccer

Even with the ABBA format, penalty shootouts remain a lottery