David-Nuo Cheng
| Region | WCA ID | Gender | Competitions | Completed Solves | China | 2023CHED05 | Male | 30 | 515 |
|---|
Current Personal Records
| Event | NR | CR | WR | Single | Average | WR | CR | NR | |
|---|---|---|---|---|---|---|---|---|---|
| 3x3x3 Cube | 1083 | 3082 | 8676 | 8.21 | 9.78 | 7216 | 2683 | 982 | |
| 2x2x2 Cube | 2966 | 9490 | 34250 | 3.38 | 5.18 | 33242 | 9968 | 3288 | |
| 4x4x4 Cube | 4535 | 13723 | 43007 | 1:15.69 | 1:24.17 | 39208 | 12283 | 3854 | |
| 3x3x3 Fewest Moves | 181 | 540 | 2105 | 31 | |||||
| 3x3x3 One-Handed | 2763 | 7967 | 21356 | 23.34 | 26.83 | 18079 | 6932 | 2505 | |
| Clock | 989 | 3232 | 13589 | 13.95 | 17.55 | 13861 | 3258 | 1008 | |
| Megaminx | 1644 | 7100 | 32721 | 4:57.11 | |||||
| Pyraminx | 3096 | 9556 | 36008 | 7.06 | 9.68 | 28663 | 8049 | 2827 | |
| Skewb | 3340 | 10880 | 45303 | 11.40 | 14.45 | 37929 | 9435 | 2992 |
| Competition | Round | Place | Single | Average | Solves | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 3x3x3 Cube | |||||||||||
| Waterloo Spring 2026 | Second round | 24 | 8.21 | 10.01 | 9.98 | 10.53 | 9.53 | 8.21 | 11.70 | ||
| First round | 24 | 9.53 | 10.05 | 9.80 | 11.08 | 9.84 | 9.53 | 10.52 | |||
| Wasaga Beach Spring 2026 | First round | 13 | 9.00 | 10.74 | 9.00 | 11.59 | 9.99 | 10.64 | 15.32 | ||
| Pickering Mini Morning 2026 | Final | 10 | 9.51 | 11.15 | 11.45 | 9.51 | 11.87 | 10.12 | DNF | ||
| Second round | 7 | 9.67 | 10.36 | 10.89 | 10.56 | 9.78 | 9.67 | 10.74 | |||
| First round | 7 | 9.29 | 9.78 | 9.78 | 9.29 | 9.58 | 9.97 | 11.62 | |||
| Western Ontario Winter 2026 | First round | 15 | 8.39 | 10.31 | 8.39 | 10.42 | 9.62 | 11.68 | 10.89 | ||
| Open de Gatineau 2026 | Final | 10 | 8.92 | 10.17 | 10.26 | 8.92 | 9.78 | 10.47 | 10.56 | ||
| Second round | 11 | 9.81 | 10.78 | 10.75 | 10.72 | 11.34 | 10.86 | 9.81 | |||
| First round | 17 | 11.08 | 12.02 | 11.52 | 13.61 | 11.08 | 11.54 | 12.99 | |||
| Pickering NxNxN Winter 2026 | First round | 28 | 9.19 | 10.33 | 9.19 | 9.69 | 11.03 | 12.13 | 10.27 | ||
| Waterloo Fall 2025 | Second round | 24 | 8.56 | 11.09 | 10.75 | 12.83 | 9.69 | 8.56 | 13.14 | ||
| First round | 17 | 9.73 | 10.38 | 9.99 | 9.96 | 11.51 | 9.73 | 11.19 | |||
| Pickering Favourites Fall 2025 | First round | 32 | 8.80 | 11.10 | 11.59 | 8.80 | 9.11 | 12.59 | 13.49 | ||
| Brantford Fall 2025 | Second round | 16 | 9.64 | 10.08 | 14.23 | 9.76 | 10.33 | 10.16 | 9.64 | ||
| First round | 18 | 9.51 | 11.22 | 11.96 | 10.42 | 9.51 | 11.29 | 13.40 | |||
| Championnat Canadien 2025 | Second round | 57 | 11.17 | 11.63 | 12.09 | 11.29 | 11.51 | 13.44 | 11.17 | ||
| First round | 61 | 10.22 | 11.59 | 17.44 | 10.22 | 10.80 | 11.40 | 12.56 | |||
| Rubik's WCA World Championship 2025 | First round | 1150 | 10.90 | 12.15 | 13.48 | 10.90 | 12.18 | 12.44 | 11.83 | ||
| Pickering Favourites Spring 2025 | First round | 27 | 10.08 | 11.53 | 10.72 | 12.88 | 10.08 | 15.79 | 11.00 | ||
| Western Ontario Winter 2025 | Second round | 25 | 10.69 | 11.84 | 11.38 | 13.46 | 12.13 | 12.00 | 10.69 | ||
| First round | 30 | 10.01 | 13.26 | 11.08 | 10.01 | 17.20 | 13.33 | 15.36 | |||
| Mississauga Newcomers B 2025 | Semi Final | 30 | 11.61 | 13.49 | 20.54 | 14.26 | 13.74 | 11.61 | 12.48 | ||
| Second round | 31 | 10.76 | 12.27 | 13.10 | 13.16 | 12.28 | 10.76 | 11.42 | |||
| First round | 31 | 11.23 | 13.05 | 11.23 | 13.21 | 13.64 | 12.49 | 13.44 | |||
| Greater Toronto 2025 | Second round | 32 | 11.35 | 12.02 | 11.81 | 11.35 | 12.33 | 11.92 | 31.47 | ||
| First round | 35 | 11.69 | 12.57 | 13.20 | 12.80 | 11.71 | 14.61 | 11.69 | |||
| Waterloo Winter 2025 | Second round | 38 | 10.76 | 12.77 | 13.25 | 13.11 | 10.76 | 11.96 | 15.75 | ||
| First round | 34 | 11.00 | 11.99 | 12.28 | 13.59 | 12.54 | 11.00 | 11.16 | |||
| Wrap It Up Barrie 2024 | Second round | 26 | 11.01 | 13.39 | 14.82 | 12.59 | 11.01 | 12.76 | 15.36 | ||
| First round | 24 | 10.03 | 12.48 | 10.22 | 12.29 | 10.03 | 14.93 | 20.24 | |||
| Kitchener Mini Afternoon 2024 | Second round | 36 | 12.52 | 13.95 | 15.39 | 15.24 | 13.80 | 12.52 | 12.81 | ||
| First round | 26 | 11.33 | 12.85 | 11.33 | 16.95 | 15.77 | 11.41 | 11.37 | |||
| Championnat Québécois 2024 | Second round | 24 | 11.05 | 12.31 | 12.68 | 11.05 | 14.65 | 11.27 | 12.98 | ||
| First round | 30 | 11.38 | 12.75 | 13.37 | 13.00 | 11.38 | 19.08 | 11.88 | |||
| Pickering Mini Afternoon 2024 | Second round | 24 | 11.24 | 12.41 | 11.41 | 12.94 | 12.89 | 16.72 | 11.24 | ||
| First round | 44 | 12.74 | 16.33 | 15.26 | 21.81 | 12.74 | 18.20 | 15.53 | |||
| Ontario Championship 2024 | Second round | 88 | 12.13 | 14.71 | 14.81 | 12.13 | 17.14 | 15.37 | 13.95 | ||
| First round | 86 | 12.14 | 14.96 | 14.26 | 12.14 | 16.77 | 27.14 | 13.86 | |||
| NA Stadium Series - Edmonton 2024 | First round | 43 | 11.45 | 15.84 | 15.44 | 11.45 | 15.07 | 20.75 | 17.00 | ||
| Battle of Waterloo 2024 | Second round | 65 | 13.06 | 14.68 | 13.06 | 13.51 | 14.61 | 16.99 | 15.91 | ||
| First round | 72 | 12.87 | 14.73 | 12.87 | 13.82 | 17.14 | 13.24 | 20.97 | |||
| Thornhill Spring 2024 | Second round | 55 | 13.29 | 15.62 | 13.29 | 16.37 | 16.16 | 15.77 | 14.94 | ||
| First round | 47 | 13.84 | 14.51 | 14.74 | 16.48 | 14.06 | 14.72 | 13.84 | |||
| Ajax 3x3x3 Newcomers C 2024 | Second round | 18 | 14.11 | 14.51 | 14.11 | 14.42 | 21.25 | 14.51 | 14.61 | ||
| First round | 23 | 15.61 | 16.98 | 16.47 | 16.29 | 15.61 | 18.48 | 18.18 | |||
| Greater Toronto 2024 | Final | 88 | 14.80 | 17.27 | 18.62 | 15.98 | 19.42 | 17.21 | 14.80 | ||
| First round | 87 | 15.64 | 16.35 | 17.44 | 15.68 | 19.29 | 15.64 | 15.92 | |||
| Waterloo Favourites Autumn 2023 | First round | 79 | 19.78 | 22.87 | 25.53 | 23.18 | 21.96 | 19.78 | 23.46 | ||
| 2x2x2 Cube | |||||||||||
| Wasaga Beach Spring 2026 | First round | 43 | 4.19 | 8.10 | 8.45 | 4.19 | 4.50 | 16.95 | 11.35 | ||
| Western Ontario Winter 2026 | Final | 36 | 5.12 | 6.64 | 5.63 | 5.12 | 8.24 | 6.04 | 9.93 | ||
| Open de Gatineau 2026 | First round | 26 | 4.70 | 5.18 | 5.90 | 4.70 | 4.93 | 5.90 | 4.72 | ||
| Brantford Fall 2025 | First round | 40 | 5.07 | 5.89 | 7.48 | 6.43 | 5.48 | 5.07 | 5.77 | ||
| Championnat Canadien 2025 | First round | 140 | 5.02 | 7.83 | 5.02 | 5.34 | 5.38 | 12.76 | DNF | ||
| Rubik's WCA World Championship 2025 | First round | 1335 | 4.41 | 5.61 | 9.77 | 5.62 | 4.41 | 4.93 | 6.28 | ||
| Western Ontario Winter 2025 | First round | 47 | 3.38 | 7.22 | DNF | 5.76 | 8.73 | 3.38 | 7.16 | ||
| Greater Toronto 2025 | First round | 77 | 5.61 | 7.48 | 6.76 | 6.72 | 9.02 | 5.61 | 8.95 | ||
| Championnat Québécois 2024 | First round | 75 | 6.43 | 8.71 | 6.43 | 16.20 | 9.08 | 9.64 | 7.40 | ||
| Ontario Championship 2024 | First round | 108 | 6.03 | 7.35 | 6.82 | 6.03 | 7.01 | 9.08 | 8.21 | ||
| NA Stadium Series - Edmonton 2024 | Final | 44 | 4.75 | 6.42 | 8.61 | 4.75 | 7.30 | 5.87 | 6.10 | ||
| Battle of Waterloo 2024 | First round | 80 | 5.43 | 6.49 | 9.15 | 6.18 | 7.73 | 5.43 | 5.55 | ||
| Greater Toronto 2024 | First round | 213 | 10.14 | 27.81 | 10.14 | 48.96 | 1:00.06 | 23.62 | 10.86 | ||
| Waterloo Favourites Autumn 2023 | First round | 94 | 12.78 | 20.09 | 13.78 | 20.40 | 12.78 | 32.44 | 26.08 | ||
| 4x4x4 Cube | |||||||||||
| Western Ontario Winter 2026 | Final | 35 | 1:19.21 | 1:24.17 | 1:19.21 | 1:20.38 | 1:26.82 | 1:25.32 | 1:54.42 | ||
| Pickering NxNxN Winter 2026 | First round | 92 | 2:05.53 | 2:05.53 | 2:07.76 | ||||||
| Pickering Favourites Fall 2025 | Final | 49 | 1:21.97 | 1:25.89 | 1:21.97 | ||||||
| Brantford Fall 2025 | Final | 35 | 1:15.69 | 1:24.29 | 1:39.42 | 1:15.69 | 1:19.80 | 1:27.79 | 1:25.28 | ||
| Championnat Canadien 2025 | First round | 148 | DNF | DNF | DNF | ||||||
| Championnat Québécois 2024 | First round | 64 | 4:25.86 | DNF | 4:25.86 | ||||||
| Pickering Mini Afternoon 2024 | Final | 69 | 4:24.44 | 4:24.44 | 4:32.71 | ||||||
| 3x3x3 Fewest Moves | |||||||||||
| FMC World 2026 | Final | 324 | 35 | DNF | DNF | 35 | 46 | ||||
| Please Be Quiet Waterloo 2025 | Final | 14 | 34 | DNF | DNF | 34 | DNF | ||||
| FMC Canada 2025 | Final | 38 | 31 | DNF | 31 | 44 | DNF | ||||
| 3x3x3 One-Handed | |||||||||||
| Waterloo Spring 2026 | Second round | 37 | 25.99 | 27.41 | 27.57 | 26.92 | 28.55 | 27.75 | 25.99 | ||
| First round | 38 | 23.34 | 26.83 | 28.94 | 27.40 | 23.34 | 24.14 | 58.51 | |||
| Western Ontario Winter 2026 | Final | 21 | 24.80 | 28.60 | 32.31 | 24.80 | 29.25 | 31.29 | 25.27 | ||
| Open de Gatineau 2026 | Final | 22 | 28.37 | 29.76 | 29.98 | 28.37 | 30.86 | 28.44 | 1:06.06 | ||
| Waterloo Fall 2025 | First round | 46 | 27.36 | 33.25 | 27.36 | 50.24 | 37.92 | 33.77 | 28.07 | ||
| Pickering Favourites Fall 2025 | Final | 24 | 27.61 | 29.25 | 32.14 | 27.61 | 43.61 | 27.68 | 27.94 | ||
| Championnat Canadien 2025 | First round | 75 | 24.00 | 26.94 | 26.39 | 35.37 | 26.53 | 27.90 | 24.00 | ||
| Pickering Favourites Spring 2025 | Final | 17 | 25.80 | 37.01 | 25.80 | 42.68 | 45.02 | 29.09 | 39.26 | ||
| Western Ontario Winter 2025 | Final | 28 | 32.75 | 33.45 | 32.75 | ||||||
| Wrap It Up Barrie 2024 | First round | 35 | 40.99 | 50.96 | 46.11 | 1:03.81 | 48.07 | 40.99 | 58.69 | ||
| Kitchener Mini Afternoon 2024 | First round | 48 | 48.94 | 1:01.12 | 59.22 | 50.45 | 48.94 | 1:13.70 | 1:47.78 | ||
| Clock | |||||||||||
| Wasaga Beach Spring 2026 | First round | 25 | 15.38 | DNF | 20.74 | DNF | 15.38 | 19.23 | DNF | ||
| Open de Gatineau 2026 | First round | 40 | 14.82 | 25.90 | 15.45 | DNF | 17.52 | 14.82 | 44.72 | ||
| Waterloo Fall 2025 | Final | 28 | 14.11 | 17.55 | 18.59 | 18.65 | 16.78 | 17.29 | 14.11 | ||
| Championnat Canadien 2025 | First round | 99 | DNF | DNF | DNF | ||||||
| Pickering Favourites Spring 2025 | Final | 13 | 21.73 | 23.15 | 21.73 | ||||||
| Western Ontario Winter 2025 | Final | 25 | 13.95 | 18.98 | 22.22 | DNF | 18.52 | 16.20 | 13.95 | ||
| Wrap It Up Barrie 2024 | First round | 29 | 28.60 | 32.48 | 52.28 | 35.33 | 32.12 | 28.60 | 29.99 | ||
| Megaminx | |||||||||||
| Waterloo Spring 2026 | First round | 48 | 4:57.11 | 5:58.94 | 4:57.11 | ||||||
| Championnat Canadien 2025 | First round | 81 | DNF | DNF | DNF | ||||||
| Pyraminx | |||||||||||
| Western Ontario Winter 2026 | Final | 43 | 15.20 | 17.01 | 15.20 | 19.37 | 20.10 | 15.64 | 16.03 | ||
| Pickering Favourites Fall 2025 | Final | 25 | 10.12 | 13.15 | 10.12 | 13.96 | 14.38 | 19.65 | 11.11 | ||
| Brantford Fall 2025 | First round | 30 | 8.53 | 11.96 | 17.10 | 14.05 | 8.53 | 8.74 | 13.08 | ||
| Championnat Canadien 2025 | First round | 113 | 10.54 | 14.90 | 14.77 | 19.10 | 19.76 | 10.82 | 10.54 | ||
| Rubik's WCA World Championship 2025 | First round | 1108 | 8.19 | 9.68 | 8.82 | 9.27 | 10.96 | 8.19 | 11.79 | ||
| Greater Toronto 2025 | First round | 80 | 7.84 | 14.51 | 11.49 | 16.69 | 22.36 | 7.84 | 15.36 | ||
| Waterloo Winter 2025 | First round | 70 | 11.31 | 13.31 | 13.42 | 11.31 | 28.19 | 13.83 | 12.69 | ||
| Championnat Québécois 2024 | First round | 57 | 12.71 | 15.86 | 18.72 | 18.08 | 13.72 | 15.79 | 12.71 | ||
| Ontario Championship 2024 | First round | 91 | 11.83 | 13.13 | 13.21 | 14.13 | 16.02 | 11.83 | 12.04 | ||
| NA Stadium Series - Edmonton 2024 | Final | 49 | 7.06 | 12.11 | 11.39 | 26.92 | 7.06 | 14.30 | 10.65 | ||
| Battle of Waterloo 2024 | First round | 75 | 11.80 | 16.34 | 18.77 | 13.98 | 21.66 | 11.80 | 16.28 | ||
| Greater Toronto 2024 | First round | 112 | 11.81 | 17.84 | 18.10 | 17.82 | 18.66 | 17.59 | 11.81 | ||
| Waterloo Favourites Autumn 2023 | First round | 62 | 16.96 | 23.43 | 50.71 | 21.74 | 24.24 | 24.32 | 16.96 | ||
| Skewb | |||||||||||
| Pickering Mini Morning 2026 | First round | 37 | 19.76 | 28.39 | 23.34 | 2:22.41 | 21.36 | 40.46 | 19.76 | ||
| Waterloo Fall 2025 | First round | 56 | 12.68 | 18.14 | 44.93 | 12.68 | 23.22 | 14.44 | 16.77 | ||
| Brantford Fall 2025 | First round | 32 | 12.78 | 18.31 | DNF | 18.33 | 19.49 | 12.78 | 17.10 | ||
| Championnat Canadien 2025 | First round | 85 | 12.67 | 15.57 | 12.67 | 17.85 | 13.17 | 21.93 | 15.68 | ||
| Rubik's WCA World Championship 2025 | First round | 1238 | 11.91 | 14.45 | 11.91 | 14.82 | 33.67 | 13.57 | 14.96 | ||
| Pickering Favourites Spring 2025 | Final | 11 | 11.40 | 15.66 | 11.40 | 15.85 | 17.32 | 16.47 | 14.66 | ||
| Waterloo Winter 2025 | First round | 86 | 16.06 | 30.15 | 16.06 | 23.46 | 1:14.13 | 31.30 | 35.70 | ||
| Thornhill Spring 2024 | First round | 80 | 43.18 | 55.80 | 1:00.98 | 44.33 | 1:02.10 | 1:20.12 | 43.18 | ||