What ideals of knighthood are tested in Sir Gawayne and the Grene Knight?

In the 14th-century chivalric romance Sir Gawayne and the Grene Knight, the protagonist is tested on his adherence to the core ideals of knighthood, which include physical prowess, moral integrity, and religious devotion.1

The poem subjects Sir Gawayne to a series of trials that challenge his reputation as a model of perfection:

• Test of Arms: Gawayne must demonstrate his courage and martial skill by accepting a dangerous beheading challenge, proving his commitment to his word and his duty to King Arthur.12
• Moral Temptation: While staying at a lord’s castle, Gawayne is tested by the host’s wife. He must navigate the complexities of courtly behavior, resisting her advances to maintain his honor and loyalty to his host.1
• Integrity and Faith: Although presented as a devout Christian, Gawayne is ultimately revealed to be humanly imperfect. He fails to maintain complete integrity when he succumbs to the temptation of accepting a girdle that promises invulnerability, prioritizing his own survival over absolute honesty.1

These trials highlight the tension between the idealized image of the knight and the reality of human fallibility.1