| Problem(s) presented | Grade | Role |
|---|---|---|
| 3. Ink tree | 8.20 | reporter |
| 13. Egg white pearls | 7.20 | opponent |
| 14. Erratic raindrops | 7.00 | opponent |
| 13. Egg white pearls | 7.60 | reporter |
| 12. Particle detectors for dummies | 7.40 | reviewer |
| 11. Chalk on the water | 9.20 | reviewer |
| 6. Sonic black hole | 7.40 | opponent |