| Problem(s) presented | Grade | Role |
|---|---|---|
| 16. Singing Flame | 6.10 | opponent |
| 17. Crazy Cylinder | 8.20 | reporter |
| 6. Maxwell's Demon | 8.22 | reporter |
| 3. Ping-Pong Balls Cannon | 8.00 | opponent |
| 5. Electrostatic Cyclotron | 8.40 | opponent |
| 3. Ping-Pong Balls Cannon | 6.30 | reporter |
