| Problem(s) presented | Grade | Role |
|---|---|---|
| 1. Tesla coil engine | 7.40 | reviewer |
| 13. String shooter | 7.60 | opponent |
| 15. Pouring a Sandcastle | 7.20 | opponent |
| 17. Lab Shock Diamonds | 7.20 | opponent |
| 13. String shooter | 9.00 | reporter |
| 3. Apples and Oranges | 7.20 | reviewer |
| 2. Yut | 7.40 | reporter |
| 1. Tesla coil engine | 7.60 | opponent |
