Mai Đức Nghĩa
| Region | WCA ID | Gender | Competitions | Completed Solves | Vietnam | 2022NGHI01 | Male | 13 | 417 |
|---|
Current Personal Records
| Event | NR | CR | WR | Single | Average | WR | CR | NR | |
|---|---|---|---|---|---|---|---|---|---|
| 3x3x3 Cube | 417 | 6980 | 18620 | 9.68 | 10.79 | 12450 | 4789 | 303 | |
| 2x2x2 Cube | 209 | 5476 | 20473 | 2.71 | 4.16 | 16301 | 4722 | 209 | |
| 4x4x4 Cube | 247 | 4624 | 13027 | 42.88 | 54.34 | 17840 | 6355 | 343 | |
| 3x3x3 One-Handed | 600 | 11543 | 31474 | 28.42 | 32.90 | 28056 | 10560 | 557 | |
| Clock | 2 | 28 | 149 | 2.74 | 3.16 | 64 | 14 | 2 | |
| Megaminx | 81 | 2365 | 8494 | 1:24.38 | 1:44.12 | 10238 | 2816 | 92 | |
| Pyraminx | 69 | 2717 | 10044 | 4.03 | 6.86 | 11438 | 3347 | 83 | |
| Skewb | 64 | 1780 | 7097 | 3.83 | 5.29 | 3876 | 1039 | 33 | |
| Square-1 | 85 | 2307 | 9783 | 24.90 | 37.54 | 11245 | 2642 | 93 |
| Competition | Round | Place | Single | Average | Solves | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 3x3x3 Cube | |||||||||||
| Vietnam Championship 2026 | Second round | 77 | 10.39 | 11.66 | 14.31 | 11.73 | 11.79 | 11.45 | 10.39 | ||
| First round | 67 | 9.78 | 10.79 | 9.78 | 12.03 | 10.02 | 10.31 | 12.06 | |||
| Hanoi CSP Open 2026 | First round | 47 | 9.68 | 11.70 | 11.26 | 12.54 | 12.46 | 11.38 | 9.68 | ||
| Hanoi Summer 2025 | First round | 85 | 12.69 | 15.50 | 16.19 | 16.48 | 16.84 | 13.83 | 12.69 | ||
| Hanoi Winter 2024 | First round | 58 | 12.76 | 16.66 | 18.10 | 18.06 | 13.81 | 12.76 | 18.66 | ||
| Vietnam Championship 2024 | First round | 173 | 13.59 | 18.93 | 13.59 | 18.74 | 18.24 | 20.75 | 19.82 | ||
| Aeon Mall Long Bien 2024 | First round | 73 | 14.84 | 16.89 | 19.92 | 14.84 | 14.97 | 15.77 | 21.47 | ||
| Hanoi Side Events 2024 | First round | 52 | 15.30 | 18.17 | 19.01 | 17.58 | 15.30 | 17.92 | 19.97 | ||
| Hanoi Summer 2023 | First round | 173 | 15.04 | 20.55 | 24.97 | 15.04 | 16.56 | 20.12 | 29.35 | ||
| Vietnam Championship 2023 | First round | 195 | 15.18 | 19.35 | 19.86 | 18.30 | 24.82 | 19.89 | 15.18 | ||
| Hanoi Super Brain Zyo 2023 | First round | 166 | 22.06 | 25.52 | 28.21 | 24.26 | 32.28 | 24.09 | 22.06 | ||
| Hanoi Open 2022 | First round | 111 | 22.94 | 25.48 | 26.80 | 22.94 | 25.66 | 23.97 | 28.44 | ||
| Ha Noi Summer 2022 | First round | 193 | 22.23 | 27.96 | 28.52 | 25.41 | 22.23 | 29.95 | 30.24 | ||
| 2x2x2 Cube | |||||||||||
| Vietnam Championship 2026 | Second round | 43 | 4.13 | 4.37 | 4.29 | 5.93 | 4.31 | 4.13 | 4.52 | ||
| First round | 69 | 3.98 | 4.71 | 4.23 | 3.98 | 5.39 | 9.44 | 4.51 | |||
| Hanoi CSP Open 2026 | First round | 28 | 3.62 | 4.23 | 4.67 | 3.78 | 5.11 | 4.23 | 3.62 | ||
| Hanoi Summer 2025 | First round | 33 | 2.71 | 4.16 | 5.03 | 5.32 | 3.66 | 3.79 | 2.71 | ||
| Hanoi Winter 2024 | Second round | 24 | 3.25 | 4.73 | 3.83 | 3.25 | 4.98 | 5.39 | DNF | ||
| First round | 17 | 3.97 | 4.57 | 10.15 | 4.48 | 4.82 | 3.97 | 4.40 | |||
| Vietnam Championship 2024 | Second round | 40 | 4.05 | 4.84 | 4.05 | 5.38 | 7.88 | 4.51 | 4.64 | ||
| First round | 50 | 2.76 | 4.39 | 2.76 | 4.98 | 4.97 | 5.13 | 3.23 | |||
| Aeon Mall Long Bien 2024 | First round | 48 | 5.24 | 6.24 | 5.24 | 8.06 | 7.35 | 6.09 | 5.28 | ||
| Hanoi Summer 2023 | First round | 86 | 4.04 | 6.10 | 6.85 | 5.64 | 6.75 | 4.04 | 5.92 | ||
| Vietnam Championship 2023 | First round | 121 | 4.59 | 6.40 | 4.59 | 5.21 | 8.68 | 6.12 | 7.86 | ||
| Hanoi Super Brain Zyo 2023 | First round | 57 | 6.28 | 7.80 | 6.28 | 6.44 | 6.42 | 10.55 | 10.73 | ||
| Hanoi Open 2022 | First round | 66 | 7.68 | 8.96 | 8.45 | 10.51 | 8.77 | 9.67 | 7.68 | ||
| Ha Noi Summer 2022 | First round | 98 | 5.93 | 8.24 | 5.93 | 7.12 | 8.21 | 9.89 | 9.38 | ||
| 4x4x4 Cube | |||||||||||
| Vietnam Championship 2026 | First round | 73 | 42.88 | 54.34 | 1:18.77 | 55.19 | 55.27 | 52.56 | 42.88 | ||
| Hanoi CSP Open 2026 | Final | 49 | 50.64 | 1:04.51 | DNF | 1:00.42 | 50.64 | 1:05.75 | 1:07.37 | ||
| Hanoi Summer 2025 | First round | 60 | 54.38 | 1:01.13 | 58.85 | 1:06.74 | 1:11.25 | 54.38 | 57.79 | ||
| Vietnam Championship 2024 | First round | 109 | 1:22.73 | 1:44.19 | 1:22.73 | ||||||
| 3x3x3 One-Handed | |||||||||||
| Vietnam Championship 2026 | First round | 101 | 33.20 | 42.10 | 52.08 | 33.20 | 54.41 | 34.33 | 39.90 | ||
| Hanoi CSP Open 2026 | First round | 58 | 28.42 | 35.17 | 31.13 | 32.01 | 28.42 | 42.37 | 49.47 | ||
| Hanoi Summer 2025 | First round | 62 | 28.96 | 32.90 | 32.25 | 34.65 | 49.36 | 28.96 | 31.81 | ||
| Hanoi Winter 2024 | First round | 41 | 34.27 | 50.19 | 40.36 | 34.27 | 1:08.14 | 1:11.22 | 42.06 | ||
| Clock | |||||||||||
| Vietnam Championship 2026 | Final | 4 | 4.07 | 6.44 | DNF | 4.07 | 8.88 | 6.12 | 4.31 | ||
| First round | 2 | 2.74 | 3.89 | 2.74 | 5.51 | 3.08 | 3.07 | DNF | |||
| Hanoi CSP Open 2026 | Final | 1 | 2.92 | 3.16 | 2.92 | 3.74 | 3.32 | 3.02 | 3.14 | ||
| First round | 2 | 2.75 | 4.22 | 2.75 | 3.49 | 3.03 | 6.14 | DNF | |||
| Hanoi Summer 2025 | Final | 1 | 2.88 | 3.53 | 4.46 | 2.88 | 4.13 | 3.32 | 3.13 | ||
| First round | 3 | 2.93 | 3.67 | 3.44 | 4.34 | 4.54 | 2.93 | 3.24 | |||
| Hanoi Winter 2024 | Final | 2 | 3.76 | 4.42 | 3.76 | 4.73 | 4.64 | 4.86 | 3.89 | ||
| First round | 3 | 4.31 | 5.47 | 4.31 | DNF | 4.61 | 5.53 | 6.26 | |||
| Blind Till Nine in Vietnam 2024 | Final | 1 | 4.34 | 5.63 | 4.34 | 5.55 | DNF | 5.81 | 5.52 | ||
| First round | 2 | 4.87 | 5.52 | 5.65 | 4.87 | 5.24 | 5.68 | 6.03 | |||
| Vietnam Championship 2024 | Final | 5 | 4.47 | 5.94 | 5.73 | 6.55 | 4.47 | 6.35 | 5.74 | ||
| First round | 5 | 4.42 | 6.07 | 10.44 | 6.90 | 5.59 | 4.42 | 5.73 | |||
| Aeon Mall Long Bien 2024 | Final | 3 | 4.01 | 5.98 | 6.74 | 6.87 | 4.33 | 7.45 | 4.01 | ||
| First round | 4 | 5.26 | 6.09 | 7.41 | 5.47 | DNF | 5.26 | 5.39 | |||
| Hanoi Side Events 2024 | Final | 4 | 6.34 | 6.54 | 7.09 | 6.69 | 6.54 | 6.34 | 6.38 | ||
| First round | 4 | 5.96 | 6.56 | 5.96 | 6.36 | 6.62 | 7.18 | 6.70 | |||
| Hanoi Summer 2023 | Final | 5 | 6.54 | 8.25 | 7.94 | 13.81 | 7.84 | 8.96 | 6.54 | ||
| Vietnam Championship 2023 | Final | 11 | 9.23 | 10.63 | DNF | 10.94 | 11.03 | 9.23 | 9.91 | ||
| Hanoi Super Brain Zyo 2023 | Final | 9 | 9.36 | 10.97 | 16.12 | 11.80 | 9.36 | 10.58 | 10.54 | ||
| Megaminx | |||||||||||
| Vietnam Championship 2026 | First round | 41 | 1:41.46 | 1:41.46 | 2:15.22 | ||||||
| Hanoi Summer 2025 | Final | 22 | 1:24.38 | 1:44.12 | 1:24.38 | 1:40.72 | 1:50.76 | 1:40.89 | 2:13.04 | ||
| Vietnam Championship 2024 | First round | 36 | 1:42.94 | 2:17.08 | 1:42.94 | ||||||
| Pyraminx | |||||||||||
| Vietnam Championship 2026 | First round | 29 | 4.03 | 6.86 | 8.75 | 5.76 | 6.06 | 8.76 | 4.03 | ||
| Hanoi CSP Open 2026 | First round | 15 | 5.96 | 7.19 | 6.95 | 8.03 | 6.60 | 5.96 | 10.46 | ||
| Hanoi Summer 2025 | First round | 18 | 5.66 | 7.62 | 7.40 | 8.20 | 7.25 | 8.33 | 5.66 | ||
| Hanoi Winter 2024 | Final | 9 | 5.57 | 7.46 | 5.57 | 7.34 | 11.41 | 8.74 | 6.30 | ||
| First round | 7 | 6.84 | 6.98 | 7.50 | 6.92 | 6.84 | 6.93 | 7.10 | |||
| Vietnam Championship 2024 | First round | 49 | 7.07 | 9.75 | 14.29 | 8.56 | 8.98 | 11.72 | 7.07 | ||
| Aeon Mall Long Bien 2024 | First round | 24 | 7.69 | 11.43 | 13.19 | 7.69 | 14.12 | 11.12 | 9.97 | ||
| Hanoi Side Events 2024 | First round | 25 | 8.09 | 12.09 | 11.57 | 8.09 | 14.54 | 16.13 | 10.16 | ||
| Hanoi Summer 2023 | Final | 65 | 6.88 | 17.09 | 6.88 | 15.62 | 26.06 | 15.55 | 20.11 | ||
| Vietnam Championship 2023 | First round | 86 | 12.22 | 18.76 | 21.83 | 12.22 | 21.41 | 15.38 | 19.50 | ||
| Skewb | |||||||||||
| Vietnam Championship 2026 | First round | 18 | 5.07 | 6.45 | 5.07 | 7.66 | 6.09 | 16.00 | 5.59 | ||
| Hanoi CSP Open 2026 | Final | 8 | 4.09 | 5.55 | 5.39 | 4.09 | 8.41 | 6.47 | 4.78 | ||
| First round | 7 | 4.25 | 6.01 | 4.25 | 6.33 | 6.85 | 5.75 | 5.95 | |||
| Hanoi Summer 2025 | Final | 15 | 3.83 | 6.89 | 10.95 | 3.83 | 5.23 | 7.84 | 7.61 | ||
| First round | 10 | 4.32 | 5.29 | 4.32 | 5.45 | 5.91 | 4.50 | 8.08 | |||
| Hanoi Winter 2024 | Final | 6 | 4.96 | 7.83 | 8.21 | 4.96 | 7.73 | 7.56 | 10.71 | ||
| First round | 9 | 6.19 | 7.91 | 7.87 | 6.19 | 9.49 | 8.09 | 7.78 | |||
| Vietnam Championship 2024 | First round | 28 | 6.04 | 7.47 | 7.21 | 9.07 | 7.60 | 6.04 | 7.60 | ||
| Aeon Mall Long Bien 2024 | Final | 9 | 5.15 | 5.74 | 5.97 | 8.79 | 5.15 | 5.45 | 5.79 | ||
| First round | 10 | 4.92 | 6.89 | 7.72 | 5.43 | 4.92 | 7.52 | 8.23 | |||
| Hanoi Side Events 2024 | Final | 12 | 4.52 | 7.18 | 6.89 | 4.52 | 7.33 | 9.26 | 7.33 | ||
| First round | 11 | 4.23 | 7.05 | 4.23 | 7.61 | 10.22 | 6.16 | 7.37 | |||
| Hanoi Summer 2023 | Final | 17 | 5.27 | 7.53 | 7.96 | 7.08 | 7.56 | 9.48 | 5.27 | ||
| Vietnam Championship 2023 | Final | 25 | 4.14 | 7.46 | 4.14 | 7.78 | 9.92 | 4.67 | 11.87 | ||
| First round | 25 | 5.69 | 8.39 | 5.69 | 9.20 | 8.53 | 7.44 | 11.26 | |||
| Hanoi Super Brain Zyo 2023 | Final | 19 | 8.27 | 11.10 | 8.27 | 10.66 | 12.82 | 9.85 | 12.79 | ||
| Hanoi Open 2022 | Final | 21 | 9.61 | 16.56 | 14.99 | 16.94 | 20.30 | 17.74 | 9.61 | ||
| Ha Noi Summer 2022 | Final | 21 | 7.01 | 15.89 | 16.93 | 19.56 | 17.78 | 12.97 | 7.01 | ||
| Square-1 | |||||||||||
| Vietnam Championship 2026 | First round | 33 | 26.27 | 37.54 | 26.27 | 30.07 | 59.34 | 41.77 | 40.77 | ||
| Hanoi Summer 2025 | First round | 24 | 24.90 | 39.27 | 39.50 | 39.61 | 38.69 | 24.90 | 1:03.88 | ||
National Championship Podiums
| Event | Place | Single | Average | Solves | ||||
|---|---|---|---|---|---|---|---|---|
| Vietnam Championship 2026 | ||||||||
| Clock | 3 | 4.07 | 6.44 | DNF | 4.07 | 8.88 | 6.12 | 4.31 |
| Vietnam Championship 2024 | ||||||||
| Clock | 3 | 4.47 | 5.94 | 5.73 | 6.55 | 4.47 | 6.35 | 5.74 |