Info Center

Results & Problems

Access official results and problems from ARBIChO.

Results

ARBIChO 2023 Final Results

June 17, 2023

ARBIChO 2025 Final Results

June 4, 2025

Problems

ARBIChO 2025 Theory Solutions (Official)

ARBIChO 2025•2.1 MB

ARBIChO 2025 Practice Problems (Official)

ARBIChO 2025•621.0 KB

ARBIChO 2025 Theory Final

ARBIChO 2025•1.3 MB

ARBIChO 2025 Practice Answer Sheets (Official)

ARBIChO 2025•427.5 KB

ARBIChO 2025 Practice Solutions (Official)

ARBIChO 2025•505.5 KB

ARBIChO 2025 Theory Answer Sheets (Official)

ARBIChO 2025•448.0 KB