The Grass Arena

[3] Raised in a religious family with an abusive father, young Johnny soon learns that he has to defend himself.

His boxing career over, John takes to the "Grass Arena", parks where he lives with other alcoholics.

His life descends into an horrific journey of homeless alcoholism and the associated lifestyle of crime and jail and danger.

In jail a fellow inmate teaches him chess and he demonstrates an extraordinary ability at the game.

Healy is played by Mark Rylance in the film, which also features Pete Postlethwaite.