| Problems presented | Grade | Role |
|---|---|---|
| 1. Popsicle stick cobra | 6.60 | opponent |
| 15. Electric fountain | 5.40 | reporter |
| 5. Cracks on the glass | 5.80 | reviewer |
| 9. Sultry day | 6.75 | reporter |
| 5. Cracks on the glass | 6.00 | reporter |
| 17. Looking for the signs of civilization | 6.00 | reviewer |