Contest Home

Invitational Contest Results are out! Click here to view them.

Discuss the Invitational Round problems on this AoPS forum

If you enjoyed this competition, check out the Online Physics Brawl, a three-hour long online team competition happening in November!

Invitational Round Rankings

View the invitational round rankings.

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Open Round Rankings

View the open round rankings and awardees

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OPhO Invitational Contest Paper

View the invitational round contest paper

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OPhO Open Contest Paper

View the open round contest paper

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OPhO Info

Click here for general info about OPhO!

OPhO Info
Meet the team!

Meet the team who made OPhO possible!

See Team