Sonia Natale

External jury member - EPFL

Problems graded	Report grade	Opposition grade	Review grade
5. Water dancing ball	6 (Germany)	8 (Italy)	7 (Ukraine - National University of Kharkiv)
4. Escaping helicopters	8 (Italy)	7 (Ukraine - National University of Kharkiv)	6 (Germany)
13. String shooter	8 (Ukraine - National University of Kharkiv)	8 (Germany)	8 (Italy)
15. Pouring a Sandcastle	8 (Brazil)	7 (Ukraine - National University of Kharkiv)	7 (USA)
9. Rail track divination	8 (Ukraine - National University of Kharkiv)	8 (USA)	9 (France – École polytechnique)
3. Apples and Oranges	6 (USA)	6 (France – École polytechnique)	6 (Brazil)
11. Circle magnet	8 (France – École polytechnique)	6 (Brazil)	9 (Ukraine - National University of Kharkiv)
17. Lab Shock Diamonds	6 (Greece)	6 (USA)	7 (Colombia)
14. Solar cell characterizer	8 (USA)	8 (Colombia)	6 (Greece)
3. Apples and Oranges	8 (Colombia)	8 (Greece)	8 (USA)
2. Yut	7 (Germany)	7 (Switzerland)	5 (Russia – MIPT)
12. Jet charged!	7 (Switzerland)	6 (Russia – MIPT)	9 (Denmark)
16. Camera inception	4 (Russia – MIPT)	5 (Denmark)	6 (Germany)
11. Circle magnet	8 (Denmark)	8 (Germany)	8 (Switzerland)