In the past year (2025), Seung Hyuk Nahm (남승혁) competed in 16 competitions and 212 rounds across 13 events, from Jan 18th to Dec 28th.
Records
He broke 6 records, including 2 AsRs and 4 NRs.
Podiums
He has been on the podium 57 times across 8 events, including 38 golds, 13 silvers, and 6 bronzes.
| Event | Gold | Silver | Bronze |
| 3x3x3 Cube | 10 | 3 | |
| 4x4x4 Cube | 8 | 2 | |
| 6x6x6 Cube | 8 | | |
| 7x7x7 Cube | 6 | 2 | |
| 5x5x5 Cube | 5 | 2 | |
| 3x3x3 One-Handed | 1 | 3 | 2 |
| 2x2x2 Cube | | 1 | 2 |
| Megaminx | | | 2 |
Solves/Attempts
He attempted 957 solves and completed 939.
| Event | Solves | Attempts |
| 3x3x3 Cube | 200 | 200 |
| 4x4x4 Cube | 138 | 140 |
| 2x2x2 Cube | 130 | 135 |
| 5x5x5 Cube | 115 | 115 |
| 3x3x3 One-Handed | 79 | 80 |
| Megaminx | 70 | 70 |
| 6x6x6 Cube | 66 | 66 |
| 7x7x7 Cube | 66 | 66 |
| Skewb | 25 | 25 |
| Pyraminx | 20 | 20 |
| Square-1 | 12 | 12 |
| 3x3x3 Blindfolded | 10 | 18 |
| Clock | 8 | 10 |
Personal Bests
He broke his personal best 17 times across 7 events, including 10 singles and 7 averages.
| Event | Times | Single | Average |
| 4x4x4 Cube | 4 | 3 | 1 |
| 3x3x3 Blindfolded | 4 | 3 | 1 |
| 2x2x2 Cube | 3 | 1 | 2 |
| Square-1 | 3 | 2 | 1 |
| 5x5x5 Cube | 1 | 0 | 1 |
| 3x3x3 One-Handed | 1 | 1 | 0 |
| Pyraminx | 1 | 0 | 1 |
Improvements of Single
| Event | ≤2024 | 2025 | Improvement |
| 3x3x3 Blindfolded | 2:00.73 | 40.52 | 1:20.21 (197.95%) |
| 3x3x3 One-Handed | 8.42 | 6.73 | 1.69 (25.11%) |
| 2x2x2 Cube | 1.25 | 1.18 | 0.07 (5.93%) |
| 4x4x4 Cube | 18.73 | 18.06 | 0.67 (3.71%) |
| Square-1 | - | 17.23 | - |
Improvements of Average
| Event | ≤2024 | 2025 | Improvement |
| Pyraminx | 7.32 | 6.37 | 0.95 (14.91%) |
| 2x2x2 Cube | 1.85 | 1.67 | 0.18 (10.78%) |
| 4x4x4 Cube | 21.67 | 20.85 | 0.82 (3.93%) |
| 5x5x5 Cube | 37.90 | 37.05 | 0.85 (2.29%) |
| 3x3x3 Blindfolded | - | 48.20 | - |
| Square-1 | - | 20.50 | - |
Cubers
He met 3337 cubers from 76 countries/regions, 447 of whom competed with him more than once.
| Shared Competitions | Competitors |
| 1 | 2890 |
| 2 | 216 |
| 3 | 74 |
| 4 | 60 |
| 5 | 27 |
| 6 | 22 |
| 7 | 16 |
| 8 | 14 |
| 9 | 6 |
| 10 | 4 |
| 11 | 3 |
| 12 | 5 |
| All | 3337 |
Regions
He competed in 6 countries/regions.
| Region | Times |
| Korea | 11 |
| Taiwan | 1 |
| Indonesia | 1 |
| USA | 1 |
| Japan | 1 |
| Thailand | 1 |
Cities
In China, he visited 1 city while competing.
| City | Times |
| New Taipei City | 1 |