YoonSung Choi (최윤성)
| Region | WCA ID | Gender | Competitions | Completed Solves | Republic of Korea | 2024CHOI36 | Male | 15 | 450 |
|---|
Current Personal Records
| Event | NR | CR | WR | Single | Average | WR | CR | NR | |
|---|---|---|---|---|---|---|---|---|---|
| 3x3x3 Cube | 40 | 526 | 1542 | 6.10 | 7.91 | 1723 | 644 | 35 | |
| 2x2x2 Cube | 4 | 76 | 549 | 0.85 | 2.01 | 998 | 253 | 21 | |
| 4x4x4 Cube | 83 | 1182 | 3372 | 31.82 | 41.10 | 6050 | 2194 | 153 | |
| 5x5x5 Cube | 180 | 2482 | 7203 | 1:18.22 | 1:22.26 | 5893 | 2079 | 146 | |
| 6x6x6 Cube | 168 | 2142 | 6964 | 2:57.67 | 3:06.82 | 6605 | 2060 | 162 | |
| 3x3x3 Fewest Moves | 48 | 729 | 2870 | 33 | 37.67 | 2276 | 594 | 38 | |
| 3x3x3 One-Handed | 15 | 242 | 713 | 9.88 | 13.87 | 1221 | 453 | 26 | |
| Clock | 88 | 1000 | 4106 | 7.48 | 8.53 | 3451 | 831 | 78 | |
| Megaminx | 183 | 2702 | 9774 | 1:30.00 | 1:41.48 | 9703 | 2679 | 182 | |
| Pyraminx | 224 | 5003 | 18511 | 5.19 | 7.78 | 16213 | 4728 | 231 | |
| Skewb | 197 | 3619 | 14045 | 5.14 | 7.00 | 9360 | 2629 | 160 | |
| Square-1 | 54 | 792 | 3466 | 13.85 | 21.15 | 4349 | 1037 | 72 |
| Competition | Round | Place | Single | Average | Solves | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 3x3x3 Cube | |||||||||||
| Korea Open 2026 | Semi Final | 23 | 7.45 | 8.92 | 7.45 | 8.43 | 9.65 | 11.31 | 8.67 | ||
| Second round | 17 | 7.98 | 8.72 | 8.80 | 7.98 | 9.87 | 8.12 | 9.24 | |||
| First round | 15 | 7.05 | 8.39 | 8.09 | 9.06 | 8.01 | 9.36 | 7.05 | |||
| Seoul Summer 2026 | Final | 9 | 6.25 | 8.02 | 7.28 | 10.73 | 9.93 | 6.85 | 6.25 | ||
| First round | 6 | 6.10 | 7.99 | 7.97 | 7.98 | 8.03 | 6.10 | 9.03 | |||
| Seoul Spring 2026 | Final | 7 | 8.34 | ||||||||
| Second round | 7 | 7.51 | 8.53 | 8.32 | 7.51 | 8.86 | 8.42 | 11.93 | |||
| First round | 5 | 7.26 | 8.43 | 7.26 | 7.99 | 8.27 | 9.04 | DNF | |||
| Seoul Winter 2026 | Semi Final | 26 | 7.01 | 9.79 | 9.17 | 11.68 | 7.01 | 9.65 | 10.55 | ||
| Second round | 10 | 6.90 | 7.91 | 6.90 | 8.38 | 8.15 | 7.19 | 10.62 | |||
| First round | 12 | 8.40 | 8.81 | 8.69 | 8.41 | 8.40 | 9.33 | 12.42 | |||
| Korean Championship 2025 | Second round | 26 | 7.13 | 9.26 | 9.05 | 7.13 | 8.64 | 10.09 | 10.71 | ||
| First round | 37 | 7.19 | 9.43 | 10.98 | 9.43 | 10.01 | 8.85 | 7.19 | |||
| Uhseo Osong 2025 | First round | 38 | 7.63 | 10.98 | 11.83 | 12.13 | 10.09 | 11.01 | 7.63 | ||
| We Laugh Pohanghang 2025 | First round | 20 | 8.41 | 9.84 | 8.41 | 12.63 | 8.60 | 10.32 | 10.60 | ||
| Korea Open 2025 | Semi Final | 28 | 7.30 | 9.34 | 8.37 | 9.09 | 10.55 | 10.70 | 7.30 | ||
| Second round | 53 | 8.41 | 10.75 | 12.45 | 9.78 | 12.66 | 10.03 | 8.41 | |||
| First round | 32 | 8.32 | 9.79 | 10.06 | 8.32 | 9.89 | 9.43 | DNF | |||
| Suwon Summer 2025 | First round | 20 | 8.78 | 9.64 | 10.18 | 9.09 | 11.08 | 9.64 | 8.78 | ||
| Daejeon Spring 2025 | Second round | 24 | 7.92 | 10.22 | 7.92 | 12.93 | 7.94 | 9.99 | 12.72 | ||
| First round | 40 | 10.32 | 11.12 | 11.13 | 10.32 | 11.00 | DNF | 11.23 | |||
| Happy Suseong 2025 | Second round | 60 | 12.29 | 14.15 | 12.29 | 13.89 | 14.96 | 14.39 | 14.18 | ||
| First round | 57 | 9.52 | 11.73 | 12.66 | 12.04 | 11.72 | 9.52 | 11.44 | |||
| Seoul Winter 2024 | First round | 108 | 11.64 | 15.68 | 19.29 | 13.70 | 14.04 | 11.64 | DNF | ||
| Hamchang Winter 2024 | Second round | 43 | 11.69 | 13.07 | 12.58 | 13.99 | 11.69 | 14.16 | 12.64 | ||
| First round | 35 | 8.91 | 12.61 | 12.58 | 8.91 | 13.12 | 12.14 | 15.17 | |||
| 2x2x2 Cube | |||||||||||
| Korea Open 2026 | Final | 3 | 1.11 | 2.01 | 3.73 | 1.81 | 1.11 | 1.69 | 2.53 | ||
| Second round | 7 | 1.62 | 2.05 | 1.62 | 2.48 | 1.78 | 1.89 | 3.96 | |||
| First round | 9 | 1.61 | 2.56 | 4.04 | 1.61 | 1.95 | 1.69 | DNF | |||
| Seoul Summer 2026 | Final | 6 | 0.85 | 2.13 | 3.25 | 3.20 | 0.85 | 1.27 | 1.93 | ||
| First round | 4 | 1.55 | 2.50 | 4.33 | 2.57 | 3.25 | 1.67 | 1.55 | |||
| Seoul Winter 2026 | Final | 3 | 1.40 | 2.17 | 1.40 | 2.78 | 2.65 | 1.91 | 1.96 | ||
| First round | 16 | 1.36 | 3.01 | 1.36 | 1.95 | 3.21 | 3.88 | 4.34 | |||
| Korean Championship 2025 | First round | 23 | 1.27 | 3.29 | 1.27 | 2.56 | 4.58 | 4.06 | 3.24 | ||
| Uhseo Osong 2025 | Final | 5 | 1.73 | 2.51 | 1.79 | 3.47 | 1.73 | 5.14 | 2.28 | ||
| First round | 6 | 1.56 | 2.36 | 2.37 | 3.00 | 2.88 | 1.56 | 1.84 | |||
| Korea Open 2025 | Final | 10 | 1.95 | 2.66 | 1.95 | 3.53 | 3.39 | 2.17 | 2.43 | ||
| Second round | 12 | 1.39 | 2.42 | 2.80 | 1.70 | 4.84 | 1.39 | 2.76 | |||
| First round | 15 | 1.36 | 2.90 | 1.36 | 3.13 | 3.24 | 2.98 | 2.60 | |||
| Suwon Summer 2025 | Final | 6 | 2.00 | 2.67 | 2.54 | 3.64 | 2.37 | 3.11 | 2.00 | ||
| First round | 6 | 1.60 | 2.38 | 2.56 | 2.12 | 2.45 | 1.60 | 2.64 | |||
| Daejeon Spring 2025 | Final | 10 | 2.13 | 3.18 | DNF | 3.40 | 3.28 | 2.13 | 2.86 | ||
| Second round | 10 | 2.11 | 3.05 | 2.11 | 2.84 | 3.52 | 4.94 | 2.79 | |||
| First round | 6 | 2.29 | 2.79 | 2.69 | 6.67 | 2.29 | 3.14 | 2.54 | |||
| Happy Suseong 2025 | First round | 142 | 2.79 | DNF | 2.79 | DNF | DNF | 3.74 | 3.90 | ||
| Seoul Winter 2024 | First round | 47 | 3.35 | 4.45 | 4.76 | 3.35 | 6.62 | 4.85 | 3.73 | ||
| Daegu Autumn 2024 | First round | 34 | 3.02 | 4.35 | 3.54 | 4.60 | 3.02 | 5.17 | 4.90 | ||
| 4x4x4 Cube | |||||||||||
| Korea Open 2026 | First round | 154 | 32.74 | DNF | 39.36 | 41.96 | 32.74 | DNF | DNF | ||
| Seoul Summer 2026 | First round | 29 | 31.82 | 41.10 | 38.19 | 40.93 | 58.66 | 44.19 | 31.82 | ||
| Seoul Winter 2026 | First round | 50 | 40.29 | 48.52 | 1:17.02 | 47.03 | 40.29 | 49.73 | 48.81 | ||
| Uhseo Osong 2025 | First round | 29 | 39.66 | 42.77 | 57.45 | 43.64 | 42.00 | 39.66 | 42.68 | ||
| Korea Open 2025 | Second round | 85 | 37.95 | 50.87 | 54.63 | 37.95 | 50.09 | 47.89 | 56.80 | ||
| First round | 71 | 43.40 | 46.89 | 46.79 | 44.38 | 49.50 | 43.40 | 58.84 | |||
| Suwon Summer 2025 | First round | 44 | 46.44 | 49.28 | 48.73 | 46.44 | 47.27 | 51.84 | 55.83 | ||
| Happy Suseong 2025 | First round | 79 | 53.29 | 56.02 | 55.05 | 57.01 | 56.00 | 53.29 | 1:01.11 | ||
| Seoul Winter 2024 | First round | 100 | 1:06.49 | 1:08.08 | 1:06.68 | 1:06.83 | 1:06.49 | 1:10.73 | 1:12.45 | ||
| Daegu Autumn 2024 | First round | 67 | 58.46 | 1:12.88 | 1:42.31 | 1:13.44 | 58.46 | 1:09.85 | 1:15.36 | ||
| 5x5x5 Cube | |||||||||||
| Korea Open 2026 | Second round | 58 | 1:20.55 | 1:28.10 | 1:22.07 | 1:50.52 | 1:28.70 | 1:20.55 | 1:33.53 | ||
| First round | 55 | 1:18.22 | 1:22.26 | 1:22.58 | 1:35.64 | 1:18.22 | 1:21.00 | 1:23.19 | |||
| Seoul Winter 2026 | First round | 55 | 1:27.11 | 1:36.09 | 1:33.94 | 1:44.56 | 1:27.11 | 1:38.10 | 1:36.22 | ||
| Korea Open 2025 | First round | 94 | 1:29.52 | 1:48.48 | DNF | 1:42.35 | 1:56.19 | 1:46.89 | 1:29.52 | ||
| Happy Suseong 2025 | First round | 85 | 1:52.85 | 2:08.32 | 2:26.79 | 1:53.82 | DNF | 1:52.85 | 2:04.36 | ||
| Hamchang Winter 2024 | First round | 54 | 1:55.87 | 2:12.37 | 2:01.20 | 2:21.81 | 2:14.10 | 1:55.87 | 2:23.63 | ||
| 6x6x6 Cube | |||||||||||
| Seoul Winter 2026 | First round | 48 | 2:57.67 | 3:06.82 | 3:11.93 | 2:57.67 | 3:10.85 | ||||
| We Laugh Pohanghang 2025 | First round | 36 | 3:14.83 | 3:21.23 | 3:24.88 | 3:23.97 | 3:14.83 | ||||
| 3x3x3 Fewest Moves | |||||||||||
| FMC Busan 2025 | Final | 8 | 33 | 37.67 | 42 | 38 | 33 | ||||
| First round | 13 | 36 | 40.00 | 45 | 36 | 39 | |||||
| 3x3x3 One-Handed | |||||||||||
| Korea Open 2026 | Final | 13 | 13.12 | 14.74 | 13.12 | 14.64 | 14.39 | 15.20 | 15.22 | ||
| Second round | 10 | 13.03 | 13.87 | 13.90 | 13.17 | 16.97 | 14.55 | 13.03 | |||
| First round | 12 | 12.44 | 14.50 | 13.74 | 12.44 | 12.81 | 19.76 | 16.95 | |||
| Korean Championship 2025 | First round | 13 | 12.98 | 15.52 | 17.67 | 20.76 | 15.31 | 12.98 | 13.58 | ||
| Uhseo Osong 2025 | Final | 15 | 13.91 | 20.11 | 25.09 | 15.29 | 22.49 | 13.91 | 22.56 | ||
| First round | 7 | 11.71 | 14.28 | 13.64 | 14.51 | 15.53 | 14.70 | 11.71 | |||
| We Laugh Pohanghang 2025 | Final | 7 | 12.99 | 14.24 | 13.64 | 18.62 | 13.12 | 15.97 | 12.99 | ||
| First round | 9 | 12.06 | 15.02 | 13.36 | 17.61 | 14.87 | 16.82 | 12.06 | |||
| Korea Open 2025 | Second round | 20 | 9.88 | 17.91 | 26.76 | 13.75 | 22.88 | 17.10 | 9.88 | ||
| First round | 16 | 13.80 | 17.81 | 13.80 | 17.36 | 19.74 | 17.94 | 18.13 | |||
| Hamchang Winter 2024 | Second round | 31 | 21.19 | 26.72 | 21.19 | 30.50 | 26.60 | 39.03 | 23.05 | ||
| First round | 29 | 21.88 | 24.31 | 29.09 | 21.88 | 25.54 | 25.04 | 22.35 | |||
| Clock | |||||||||||
| Korea Open 2026 | First round | 64 | 7.49 | DNF | 9.46 | DNF | DNF | 16.81 | 7.49 | ||
| Seoul Spring 2026 | Final | 13 | 7.48 | 8.53 | 7.76 | 7.55 | 7.48 | 10.27 | DNF | ||
| Megaminx | |||||||||||
| We Laugh Pohanghang 2025 | First round | 33 | 1:42.43 | 1:58.73 | 1:58.18 | 1:53.42 | 2:04.81 | 2:04.59 | 1:42.43 | ||
| Suwon Summer 2025 | First round | 34 | 1:30.00 | 1:41.48 | 1:51.29 | 1:41.03 | 1:32.11 | 1:30.00 | 1:52.39 | ||
| Hamchang Winter 2024 | First round | 36 | 1:55.34 | 2:09.51 | 2:50.67 | 1:55.34 | 2:03.36 | 2:09.22 | 2:15.94 | ||
| Pyraminx | |||||||||||
| Korea Open 2025 | First round | 90 | 6.39 | 10.64 | 18.41 | 10.32 | 9.54 | 12.07 | 6.39 | ||
| Suwon Summer 2025 | First round | 29 | 5.19 | 7.78 | 6.31 | 5.19 | 8.42 | 12.41 | 8.62 | ||
| Hamchang Winter 2024 | Second round | 31 | 7.11 | 9.50 | 8.14 | 7.11 | 12.32 | 10.47 | 9.90 | ||
| First round | 25 | 6.18 | 7.81 | 8.31 | 7.00 | 8.12 | 11.71 | 6.18 | |||
| Skewb | |||||||||||
| We Laugh Pohanghang 2025 | First round | 14 | 5.14 | 7.00 | 5.76 | 5.14 | 9.17 | 6.07 | 12.79 | ||
| Happy Suseong 2025 | First round | 54 | 8.43 | 11.41 | 21.38 | 13.66 | 8.43 | 10.26 | 10.31 | ||
| Square-1 | |||||||||||
| Korea Open 2026 | First round | 27 | 19.38 | 23.61 | 26.82 | 27.38 | 24.15 | 19.38 | 19.87 | ||
| Seoul Spring 2026 | Final | 9 | 13.85 | 21.15 | 15.68 | 23.29 | 13.85 | 24.49 | 30.52 | ||
| Daejeon Spring 2025 | First round | 31 | 29.73 | 36.76 | 40.45 | 33.00 | 54.89 | 29.73 | 36.84 | ||
| Happy Suseong 2025 | Second round | 29 | 25.62 | 29.18 | 37.93 | 28.78 | 25.62 | 31.25 | 27.52 | ||
| First round | 36 | 29.19 | 36.50 | 36.28 | 39.76 | 36.27 | 36.96 | 29.19 | |||