Bulgarian IPhO TSTs
General Information <--- Read this first!
2005: Problems | Solutions
2006: Problems | Solutions
2007: Problems | Solutions 😥
2008: Problems | Solutions 😥
2009: Problems | Solutions 😥
2010: Problems | Solutions 😥
2011: Problems | Solutions 😥
2012: Problems | Solutions 😥
2013: Problems | Solutions 😥
2014: Problems | Solutions 😥
2015: Problems | Solutions 😥
2016: Problems | Solutions 😥
2017: Problems | Solutions 😥
2018: Problems | Solutions
2019: Problems | Solutions
2020: Not held
2021: Problems | Solutions
2022: Problems | Solutions
2023: Problems | Solutions
2024: Problems | Solutions
Other undated TST problems (with solutions):
Band gap of germanium
Sad emojis indicate incomplete question sets.
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