In the past year (2025), Oscar Niizeki competed in 9 competitions and 89 rounds across 16 events, from Jan 24th to Dec 14th.
Solves/Attempts
He attempted 346 solves and completed 299.
| Event | Solves | Attempts |
| 2x2x2 Cube | 59 | 60 |
| 3x3x3 Cube | 57 | 60 |
| Pyraminx | 35 | 35 |
| 4x4x4 Cube | 29 | 31 |
| 3x3x3 One-Handed | 24 | 24 |
| Clock | 24 | 30 |
| Skewb | 20 | 20 |
| 5x5x5 Cube | 12 | 13 |
| Square-1 | 12 | 12 |
| Megaminx | 11 | 11 |
| 3x3x3 Blindfolded | 6 | 27 |
| 6x6x6 Cube | 3 | 5 |
| 3x3x3 Fewest Moves | 3 | 4 |
| 7x7x7 Cube | 2 | 5 |
| 3x3x3 Multi-Blind | 2 | 3 |
| 4x4x4 Blindfolded | 0 | 6 |
Personal Bests
He broke his personal best 64 times across 15 events, including 34 singles and 30 averages.
| Event | Times | Single | Average |
| 3x3x3 Cube | 10 | 4 | 6 |
| Clock | 8 | 4 | 4 |
| 4x4x4 Cube | 6 | 3 | 3 |
| Pyraminx | 6 | 2 | 4 |
| Skewb | 6 | 2 | 4 |
| 3x3x3 One-Handed | 5 | 3 | 2 |
| 2x2x2 Cube | 4 | 1 | 3 |
| Megaminx | 4 | 3 | 1 |
| 5x5x5 Cube | 3 | 2 | 1 |
| 3x3x3 Blindfolded | 3 | 3 | 0 |
| Square-1 | 3 | 2 | 1 |
| 6x6x6 Cube | 2 | 1 | 1 |
| 3x3x3 Multi-Blind | 2 | 2 | 0 |
| 7x7x7 Cube | 1 | 1 | 0 |
| 3x3x3 Fewest Moves | 1 | 1 | 0 |
Improvements of Single
| Event | ≤2024 | 2025 | Improvement |
| Skewb | 19.77 | 8.39 | 11.38 (135.64%) |
| Pyraminx | 12.78 | 7.62 | 5.16 (67.72%) |
| 4x4x4 Cube | 1:42.51 | 1:03.12 | 39.39 (62.40%) |
| 3x3x3 One-Handed | 38.46 | 29.57 | 8.89 (30.06%) |
| 3x3x3 Cube | 17.03 | 13.21 | 3.82 (28.92%) |
| 3x3x3 Fewest Moves | 61 | 53 | 8 (15.09%) |
| 2x2x2 Cube | 3.17 | 2.83 | 0.34 (12.01%) |
| Clock | - | 5.58 | - |
| Megaminx | - | 2:23.14 | - |
| 5x5x5 Cube | - | 2:03.24 | - |
| 3x3x3 Blindfolded | - | 1:24.04 | - |
| Square-1 | - | 24.72 | - |
| 6x6x6 Cube | - | 4:39.26 | - |
| 3x3x3 Multi-Blind | - | 5/5 25:56 | - |
| 7x7x7 Cube | - | 11:04.00 | - |
Improvements of Average
| Event | ≤2024 | 2025 | Improvement |
| Skewb | 21.39 | 10.93 | 10.46 (95.70%) |
| 3x3x3 Cube | 20.75 | 14.74 | 6.01 (40.77%) |
| Pyraminx | 14.59 | 11.10 | 3.49 (31.44%) |
| 2x2x2 Cube | 5.68 | 4.34 | 1.34 (30.88%) |
| 3x3x3 One-Handed | 41.57 | 37.52 | 4.05 (10.79%) |
| Clock | - | 8.20 | - |
| 4x4x4 Cube | - | 1:16.68 | - |
| Megaminx | - | 2:35.10 | - |
| 5x5x5 Cube | - | 2:28.40 | - |
| Square-1 | - | 34.47 | - |
| 6x6x6 Cube | - | 4:55.36 | - |
Cubers
He met 1038 cubers from 31 countries/regions, 350 of whom competed with him more than once.
| Shared Competitions | Competitors |
| 1 | 688 |
| 2 | 174 |
| 3 | 71 |
| 4 | 45 |
| 5 | 34 |
| 6 | 19 |
| 7 | 6 |
| 8 | 1 |
| All | 1038 |
Regions
He competed in 2 countries/regions.
| Region | Times |
| Australia | 8 |
| New Zealand | 1 |