Timothy Kong Wing Sum (江永琛)

Region WCA ID Gender Competitions Completed Solves
Hong Kong, China 2015SUMT01 Male 25 1085

Current Personal Records

Event NR CR WR Single Average WR CR NR
3x3x3 Cube 14 775 2452 6.79 8.40 2089 715 13
2x2x2 Cube 19 490 2401 1.38 2.53 1846 432 16
4x4x4 Cube 5 109 339 24.53 28.32 289 104 6
5x5x5 Cube 4 84 219 46.31 54.09 347 135 5
6x6x6 Cube 6 85 226 1:31.87 1:41.12 277 104 7
7x7x7 Cube 9 137 365 2:31.46 2:43.51 408 158 8
3x3x3 Blindfolded 8 387 1160 56.12 1:15.06 873 267 8
3x3x3 Fewest Moves 29 690 2809 34 37.33 1799 443 24
3x3x3 One-Handed 20 695 2158 12.50 14.21 1125 391 12
Clock 16 379 1678 5.86 6.95 1461 325 15
Megaminx 5 109 410 39.94 47.67 534 148 6
Pyraminx 3 147 636 1.70 2.57 377 105 4
Skewb 22 1125 4539 3.46 4.32 1424 371 12
Square-1 3 35 183 6.29 7.80 105 20 2
4x4x4 Blindfolded 7 203 763 7:42.86
3x3x3 Multi-Blind 8 263 1087 6/6 35:13

Medal Collection

Gold Silver Bronze
3 3 6

Record Collection

WR CR NR
3
Competition Round Place Single Average Solves
3x3x3 Cube
Hong Kong Cube Day 2025 Second round 15 7.29 9.02 9.757.299.008.319.94
First round 19 8.20 9.31 8.209.0710.089.349.51
Hong Kong Championship 2024 Semi Final 14 8.38 8.89 8.928.389.098.938.83
Second round 15 7.43 8.99 9.148.0810.147.439.75
First round 12 8.43 9.00 8.648.438.979.3910.10
Rubik's WCA Asian Championship 2024 Second round 106 9.22 9.47 9.619.2710.559.549.22
First round 97 8.05 8.89 9.068.868.058.76DNF
Hong Kong Cube Day 2024 First round 15 9.05 10.14 10.1513.409.8510.419.05
Taipei Summer Open 2024 Final 11 8.79 10.85 8.799.9712.9811.8810.70
Second round 12 6.79 8.76 9.528.508.928.866.79
First round 21 8.65 9.52 10.139.798.659.649.12
Welcome Back Hong Kong 2024 Final 6 7.77 8.40 9.438.538.177.778.50
First round 12 7.68 9.50 10.3810.779.847.688.29
Paradise Park NxNxN 2024 Second round 25 7.29 10.19 10.1710.599.807.2910.96
First round 12 7.25 8.69 9.129.847.747.259.21
Hong Kong Championship 2023 Semi Final 19 9.16 9.84 9.869.1610.4411.139.21
Second round 22 8.55 9.80 9.4815.728.559.1810.74
First round 22 8.14 10.03 10.448.1412.819.909.75
Rubik's WCA World Championship 2023 Second round 226 8.26 9.47 8.7010.2611.729.468.26
First round 220 8.66 9.25 9.1610.499.518.669.09
Hong Kong Small Cube Day 2023 Semi Final 15 8.41 9.32 11.988.418.839.1110.02
Second round 18 8.98 9.19 9.179.4110.608.988.98
First round 26 9.38 9.51 9.429.459.669.729.38
Hong Kong Cube Day 2023 First round 20 8.01 9.17 13.148.499.539.488.01
Shenzhen Open 2019 Second round 18 10.55 11.07 11.02DNF10.5510.9811.20
First round 36 11.62 12.53 13.5712.8012.8411.6211.96
Shenzhen Cubing 10th Anniversary 2019 Semi Final 56 10.10 12.28 11.2013.4310.1012.2113.52
Second round 64 10.80 12.29 10.8014.2112.9512.2511.68
First round 75 11.19 12.33 12.1512.8611.9713.0211.19
Hong Kong Cube Day 2019 First round 43 12.36 13.94 12.5614.6314.6412.3618.19
Hong Kong Open 2017 First round 74 13.01 17.37 17.0221.8918.4716.6113.01
Hong Kong Cube Day 2017 First round 93 21.02 23.47 26.2422.6327.9021.0221.54
Arnold Classic Asia 2016 First round 76 25.38 27.19 28.4526.4025.3826.7330.16
Hong Kong Summer Cube Day 2015 First round 54 28.97 31.47 28.9731.9230.3532.1433.85
Hong Kong Spring Cube Day 2015 First round 27 23.80 34.71 42.7823.8027.7259.0233.63
2x2x2 Cube
Hong Kong Cube Day 2025 Second round 15 2.21 3.08 2.213.053.083.123.93
First round 13 1.38 2.53 3.162.252.191.383.75
Hong Kong Championship 2024 Final 11 2.50 3.17 2.883.833.262.503.38
Second round 10 2.23 2.96 2.783.603.172.942.23
First round 18 2.39 3.24 2.394.104.882.672.95
Rubik's WCA Asian Championship 2024 First round 140 2.19 3.85 4.423.004.142.195.16
Hong Kong Cube Day 2024 Final 7 1.99 2.83 4.552.511.992.733.26
First round 10 2.25 3.06 3.423.423.982.252.34
Taipei Summer Open 2024 Final 9 2.36 2.92 2.363.233.852.533.00
Second round 8 2.49 2.68 2.562.952.494.562.53
First round 9 2.60 3.11 3.143.462.603.452.74
Welcome Back Hong Kong 2024 Final 3 1.80 2.59 2.862.981.931.803.98
First round 11 2.76 3.41 4.542.782.762.905.92
Paradise Park NxNxN 2024 Final 6 1.97 2.75 2.682.732.831.975.27
First round 9 2.03 2.90 3.132.812.873.032.03
Hong Kong Championship 2023 Final 6 2.13 2.92 4.822.562.133.093.11
Second round 8 1.55 2.63 2.612.911.552.652.63
First round 4 2.25 2.92 3.192.423.162.253.98
Rubik's WCA World Championship 2023 Second round 98 2.45 2.92 2.783.922.453.132.85
First round 113 2.31 2.95 3.213.762.312.712.93
Hong Kong Small Cube Day 2023 Second round 11 2.26 2.67 3.452.812.652.262.56
First round 8 2.05 2.53 2.162.052.343.753.09
Hong Kong Cube Day 2023 First round 21 2.78 3.83 2.782.924.683.904.74
Shenzhen Open 2019 Final 34 3.76 4.77 4.394.805.175.113.76
First round 27 3.75 4.64 4.343.755.744.455.12
Shenzhen Cubing 10th Anniversary 2019 Semi Final 54 3.15 5.18 3.156.589.584.874.09
Second round 49 3.46 4.77 4.685.517.013.464.13
First round 35 3.48 4.22 3.504.673.484.485.16
Hong Kong Cube Day 2019 Second round 24 3.69 4.48 4.744.893.693.914.78
First round 31 4.22 5.10 5.284.224.906.905.11
Hong Kong Open 2017 First round 18 3.15 4.86 7.305.105.513.153.96
Hong Kong Cube Day 2017 First round 57 6.60 8.36 8.16DNF6.609.247.67
Arnold Classic Asia 2016 First round 62 6.34 8.56 7.0713.849.149.476.34
Hong Kong Summer Cube Day 2015 First round 40 6.69 DNF 10.47DNF10.97DNF6.69
Hong Kong Spring Cube Day 2015 First round 15 6.86 8.24 11.009.407.168.166.86
4x4x4 Cube
Hong Kong Cube Day 2025 Final 8 29.57 32.81 29.5734.0832.4036.9131.95
First round 7 27.92 30.28 31.3129.3832.9230.1427.92
Hong Kong Championship 2024 Final 8 28.79 32.17 29.5634.2528.7932.7034.30
Second round 9 27.75 32.29 35.7630.9327.7531.4434.49
First round 8 28.89 31.32 29.1528.8932.2332.5734.67
Rubik's WCA Asian Championship 2024 Final 18 27.30 29.17 30.2727.3029.8927.8129.81
Second round 19 26.41 28.32 31.2826.6826.4128.9229.35
First round 44 26.05 31.27 31.5730.6834.4231.5526.05
Hong Kong Cube Day 2024 Final 4 28.08 32.27 30.8428.8437.3537.1428.08
First round 5 29.27 33.41 33.7640.0534.3732.1129.27
Taipei Summer Open 2024 First round 15 26.28 33.40 36.6036.0926.2829.9334.18
Welcome Back Hong Kong 2024 Final 6 29.51 34.98 36.3935.8029.5134.6134.54
First round 3 27.87 30.35 33.3627.8734.7528.8728.81
Paradise Park NxNxN 2024 Final 12 27.09 32.14 35.2827.0929.1436.9732.00
Second round 12 30.34 33.32 30.3434.3233.1233.6333.20
First round 10 24.53 31.84 31.1924.5331.0734.8733.26
Rubik's WCA World Championship 2023 First round 132 31.39 33.98 33.8631.3934.2133.8836.26
Hong Kong Cube Day 2023 Final 6 31.75 34.25 35.8638.8132.6834.2131.75
Shenzhen Open 2019 First round 25 43.87 47.25 53.1843.8749.2347.0645.46
Shenzhen Cubing 10th Anniversary 2019 First round 64 45.15 48.49 50.7549.3556.5245.3745.15
Hong Kong Cube Day 2019 First round 34 47.51 52.99 57.3947.5154.3053.4251.24
Hong Kong Open 2017 First round 49 1:02.60 1:02.601:13.63
Hong Kong Cube Day 2017 Final 48 1:13.33 1:25.071:13.33
Hong Kong Spring Cube Day 2015 First round 13 2:05.88 2:26.532:05.88
5x5x5 Cube
Please Big Cubes Korea 2025 Final 8 49.19 54.09 54.7054.3959.0553.1849.19
Second round 7 48.36 54.65 51.0458.0454.8848.361:00.66
First round 7 48.32 55.95 56.4956.8654.5048.3257.63
Hong Kong Championship 2024 Final 8 54.79 1:00.60 1:06.211:00.071:03.9057.8454.79
First round 6 52.63 57.29 57.8652.6357.6656.361:07.07
Rubik's WCA Asian Championship 2024 Second round 51 46.31 59.20 58.9746.3159.88DNF58.76
First round 43 54.63 57.86 57.0154.6355.621:00.961:01.31
Taipei Summer Open 2024 First round 19 1:00.32 1:02.16 1:01.521:03.091:05.851:01.871:00.32
Paradise Park NxNxN 2024 Final 13 54.78 1:00.51 1:05.2054.781:06.4754.791:01.55
Second round 12 56.45 1:00.36 58.331:06.8256.451:00.191:02.55
First round 11 55.13 1:00.53 1:03.381:06.8059.6158.6055.13
Rubik's WCA World Championship 2023 First round 147 1:00.14 1:07.09 1:08.671:11.201:00.14DNF1:01.39
Hong Kong Big Cube Day 2023 Second round 10 54.07 1:02.94 1:04.201:01.411:07.451:03.2154.07
First round 14 1:04.12 1:07.96 1:07.351:08.272:26.101:04.121:08.26
Hong Kong Cube Day 2023 Final 9 59.75 1:05.26 1:15.7059.751:00.391:12.471:02.92
Shenzhen Open 2019 Final 25 1:21.27 1:30.89 1:24.161:38.161:21.271:44.811:30.34
Shenzhen Cubing 10th Anniversary 2019 First round 52 1:29.79 1:36.33 1:29.791:41.361:37.151:58.321:30.49
6x6x6 Cube
Please Big Cubes Korea 2025 Final 8 1:43.74 1:47.32 1:45.401:43.741:52.81
Second round 9 1:39.96 1:51.30 1:39.962:08.311:45.62
First round 9 1:31.87 1:55.03 2:03.762:09.461:31.87
Hong Kong Championship 2024 Final 3 1:35.46 1:41.12 1:35.461:38.971:48.94
Rubik's WCA Asian Championship 2024 First round 30 1:40.34 1:44.43 1:46.631:46.331:40.34
Taipei Summer Open 2024 First round 14 1:38.20 1:46.59 1:38.201:50.141:51.42
Paradise Park NxNxN 2024 Second round 11 1:45.92 1:48.04 1:45.921:46.381:51.82
First round 13 1:51.07 1:53.90 1:53.711:51.071:56.93
Hong Kong Championship 2023 Final 7 1:50.06 1:54.37 1:59.231:50.061:53.81
Hong Kong Big Cube Day 2023 First round 14 1:53.02 2:02.90 2:09.682:06.001:53.02
7x7x7 Cube
Please Big Cubes Korea 2025 Final 9 2:49.95 2:50.23 2:50.732:50.012:49.95
Second round 9 2:31.46 2:49.59 2:59.292:58.022:31.46
First round 11 2:47.02 3:02.05 2:47.023:15.623:03.50
Rubik's WCA Asian Championship 2024 First round 42 2:51.60 2:56.30 2:53.792:51.603:03.50
Paradise Park NxNxN 2024 Second round 11 2:35.20 2:43.51 2:44.762:50.582:35.20
First round 11 2:47.54 2:54.87 2:47.543:05.842:51.22
Hong Kong Big Cube Day 2023 First round 16 3:20.07 3:26.03 3:29.903:28.123:20.07
3x3x3 Blindfolded
Hong Kong Cube Day 2025 Final 3 1:02.01 DNF DNF1:02.011:36.16
First round 3 1:07.98 1:15.74 1:22.471:07.981:16.77
Rubik's WCA Asian Championship 2024 First round 38 1:08.45 1:15.06 1:08.451:13.631:23.11
Hong Kong Blind Legends 2024 Final 9 1:19.18 DNF DNFDNF1:19.18
Second round 8 56.80 DNF 1:21.51DNF56.80
First round 8 1:01.98 DNF 1:21.70DNF1:01.98
Taipei Summer Open 2024 Final 5 1:04.66 DNF 1:04.66DNF1:09.43
Hong Kong Championship 2023 Final 3 1:09.97 1:15.23 1:09.971:17.251:18.48
First round 3 56.12 DNF 1:03.84DNF56.12
Rubik's WCA World Championship 2023 First round 97 1:05.79 DNF DNFDNF1:05.79
Hong Kong Cube Day 2023 Final 7 1:25.37 1:45.00 2:10.771:38.861:25.37
Shenzhen Cubing 10th Anniversary 2019 Second round 15 2:14.95 DNF 2:14.952:18.03DNF
First round 15 2:14.02 DNF 2:14.02DNFDNF
Hong Kong Cube Day 2019 Final 6 DNF DNF DNFDNFDNF
Hong Kong Open 2017 Final 9 3:01.84 DNF DNF3:01.844:09.62
3x3x3 Fewest Moves
Hong Kong FMC Championship 2024 First round 15 35 37.33 383539
Hong Kong FMC 2023 Final 16 34 DNF 38DNF34
3x3x3 One-Handed
Hong Kong Cube Day 2025 First round 18 16.09 18.02 18.7521.3217.8516.0917.45
Hong Kong Cube Day 2024 Final 6 15.02 16.92 17.7517.5615.0216.1217.09
First round 5 14.20 15.58 15.1416.8214.2014.7717.38
Taipei Summer Open 2024 First round 13 13.65 15.89 15.8615.3513.6519.3216.45
Welcome Back Hong Kong 2024 Final 7 14.37 15.83 14.4416.1816.8814.3717.34
First round 6 14.34 15.59 26.7716.6514.3414.3715.76
Paradise Park NxNxN 2024 Final 13 13.49 15.21 13.4914.7315.8015.1018.35
First round 14 12.93 15.91 18.0712.9315.2216.4016.10
Hong Kong Championship 2023 Final 8 12.50 15.98 15.9515.0816.9112.5019.28
Second round 3 13.21 14.21 14.4113.9515.2814.2713.21
First round 6 15.05 15.69 15.8215.8115.0515.4531.53
Rubik's WCA World Championship 2023 First round 123 13.84 15.91 15.1316.1716.4417.7613.84
Hong Kong Cube Day 2023 Final 9 15.76 18.91 20.0015.7616.6321.4720.11
First round 7 12.62 15.34 16.8914.0115.7412.6216.28
Shenzhen Open 2019 First round 33 24.85 26.08 26.9224.8926.4224.8530.69
Shenzhen Cubing 10th Anniversary 2019 Second round 64 21.12 25.33 21.1224.2127.7226.0425.73
First round 53 20.85 22.92 30.3425.0620.8522.7620.94
Hong Kong Summer Cube Day 2015 First round 24 DNF DNF DNFDNFDNFDNSDNS
Clock
Rubik's WCA Asian Championship 2024 First round 33 5.86 6.95 5.866.426.0711.198.35
Taipei Summer Open 2024 First round 15 6.44 8.72 8.756.4417.817.3310.09
Welcome Back Hong Kong 2024 First round 13 7.74 9.41 8.9610.438.8410.727.74
Rubik's WCA World Championship 2023 First round 120 7.75 9.51 11.077.967.7515.409.49
Hong Kong Cube Day 2023 Final 27 10.43 13.48 14.6310.4311.9213.89DNF
Hong Kong Cube Day 2019 Final 10 15.62 23.40 26.2722.5615.6221.36DNF
Hong Kong Open 2017 Final 9 17.93 21.17 25.4520.9617.9319.3823.16
Megaminx
Hong Kong Championship 2024 Final 6 45.28 49.10 52.1154.4247.6947.5145.28
First round 6 44.68 47.67 57.5344.6851.1447.1944.69
Rubik's WCA Asian Championship 2024 First round 33 43.92 48.03 45.2643.9248.9549.8756.06
Taipei Summer Open 2024 Final 9 44.76 49.27 52.4046.8455.5944.7648.58
First round 11 39.94 50.87 57.2151.6639.9446.7254.23
Hong Kong Championship 2023 Final 4 48.79 52.69 59.6753.4053.4051.2648.79
First round 5 49.86 55.05 55.6956.0553.4049.8657.00
Rubik's WCA World Championship 2023 First round 53 47.66 50.39 47.6656.0348.7251.0951.36
Hong Kong Big Cube Day 2023 Final 5 50.84 51.81 55.8352.8551.6350.9650.84
First round 5 47.58 54.49 47.581:01.0050.2852.181:02.13
Hong Kong Cube Day 2023 Final 6 50.70 56.79 56.5450.701:02.021:01.4052.44
Shenzhen Open 2019 Final 14 1:17.88 1:20.20 1:17.881:20.731:18.001:21.861:25.62
Shenzhen Cubing 10th Anniversary 2019 First round 20 1:22.96 1:38.76 1:22.961:49.76DNF1:33.271:33.25
Hong Kong Cube Day 2019 Final 14 1:37.93 2:02.791:37.93
Hong Kong Open 2017 Final 14 2:26.63 2:51.612:26.63
Hong Kong Side Event Day 2017 Final 19 3:01.57 3:01.573:04.96
Hong Kong Summer Cube Day 2015 Final 6 3:43.94 3:53.333:43.94
Pyraminx
Hong Kong Championship 2024 Final 2 1.70 2.91 2.543.362.823.961.70
First round 5 2.21 3.80 2.213.085.802.526.13
Rubik's WCA Asian Championship 2024 Final 7 2.36 2.77 3.162.365.382.502.64
Second round 13 1.92 2.57 2.361.923.092.832.52
First round 19 2.42 2.78 4.413.052.692.612.42
Hong Kong Cube Day 2024 Final 1 2.33 2.61 2.362.544.252.332.94
First round 2 1.91 2.73 2.762.451.913.712.97
Taipei Summer Open 2024 Final 8 2.26 3.88 2.634.702.264.326.79
Second round 8 1.97 3.77 1.973.613.574.204.13
First round 2 2.42 2.85 4.082.573.512.482.42
Hong Kong Championship 2023 Final 4 2.22 4.19 2.224.124.764.703.76
First round 2 1.71 NR 3.62 4.782.651.713.425.65
Rubik's WCA World Championship 2023 Second round 43 2.74 3.48 2.743.772.863.828.00
First round 70 2.49 3.61 6.352.582.812.495.43
Hong Kong Cube Day 2023 Final 8 2.69 3.61 3.202.695.982.994.63
Shenzhen Open 2019 Final 11 2.82 4.93 5.465.962.823.38DNF
First round 11 3.13 4.88 5.044.773.136.394.82
Shenzhen Cubing 10th Anniversary 2019 Final 10 2.98 4.56 4.034.832.984.815.23
Semi Final 8 4.35 5.15 5.605.065.544.844.35
Second round 12 3.74 5.24 6.653.746.423.975.34
First round 9 3.37 4.56 4.073.913.376.305.71
Hong Kong Cube Day 2019 Final 6 3.54 5.53 3.545.856.084.656.17
Hong Kong Side Event Day 2017 Final 6 4.01 7.30 7.527.657.184.017.19
Hong Kong Cube Day 2017 Final 17 8.61 10.27 8.6111.129.0310.6712.12
Arnold Classic Asia 2016 First round 8 6.45 10.20 9.9610.1512.4210.496.45
Skewb
Rubik's WCA Asian Championship 2024 Second round 65 3.46 5.47 3.464.676.894.848.45
First round 66 4.13 4.93 4.384.136.295.964.45
Taipei Summer Open 2024 Second round 16 4.47 5.34 4.475.925.296.654.82
First round 16 4.65 5.78 7.965.765.244.656.35
Welcome Back Hong Kong 2024 Final 6 3.56 4.32 5.494.533.904.533.56
First round 7 4.49 4.63 4.704.574.615.614.49
Rubik's WCA World Championship 2023 First round 130 4.58 5.64 6.614.585.975.165.79
Hong Kong Cube Day 2023 Final 18 6.28 7.55 8.318.106.287.756.80
Hong Kong Cube Day 2019 Final 19 7.33 9.11 7.3310.269.267.8222.39
Hong Kong Side Event Day 2017 Final 22 8.21 14.11 14.7613.128.2114.4619.11
Square-1
Hong Kong Championship 2024 Final 1 6.51 8.19 8.869.026.516.6810.83
First round 1 7.47 8.23 7.687.478.319.108.70
Rubik's WCA Asian Championship 2024 Final 6 8.28 9.27 8.749.949.399.678.28
First round 3 7.20 7.80 NR 8.1611.247.207.607.65
Hong Kong Cube Day 2024 Final 2 8.10 8.68 8.129.768.178.1024.62
First round 2 7.21 8.78 8.2010.1710.797.217.98
Taipei Summer Open 2024 Final 3 7.42 8.33 8.7810.068.587.647.42
First round 4 7.18 8.78 8.1110.307.9310.777.18
Hong Kong Championship 2023 Final 1 11.25 12.17 12.2911.6312.5823.0311.25
First round 1 9.49 10.98 11.709.569.4911.6912.99
Rubik's WCA World Championship 2023 Second round 29 7.39 9.16 15.887.399.558.239.71
First round 23 8.43 9.23 10.598.438.558.6510.48
Hong Kong Cube Day 2023 Final 2 9.79 13.40 13.0613.6815.6413.479.79
Shenzhen Open 2019 Final 8 6.29 NR 14.76 16.1314.2115.0715.016.29
Shenzhen Cubing 10th Anniversary 2019 Final 3 10.63 11.72 11.2212.0113.7811.9210.63
First round 2 10.41 10.96 11.0811.2610.5310.4116.20
Hong Kong Cube Day 2019 Final 4 13.22 15.50 16.8014.2815.4317.7013.22
Hong Kong Open 2017 Final 21 23.48 38.29 23.4842.4040.701:13.8131.76
Hong Kong Side Event Day 2017 Final 16 38.51 49.79 51.5438.5150.9347.5750.86
4x4x4 Blindfolded
Hong Kong Blind Legends 2024 Final 5 7:42.86 DNF 7:42.86DNFDNF
3x3x3 Multi-Blind
Hong Kong Blind Legends 2024 Final 5 6/6 35:13 6/6 35:13

History of National Records

Single Average Competition Round Solves
Pyraminx
1.71 Hong Kong Championship 2023 First round
Square-1
7.80 Rubik's WCA Asian Championship 2024 First round 8.1611.247.207.607.65
6.29 Shenzhen Open 2019 Final

National Championship Podiums

Event Place Single Average Solves
Hong Kong Championship 2024
6x6x6 Cube 3 1:35.46 1:41.12 1:35.461:38.971:48.94
Pyraminx 1 1.70 2.91 2.543.362.823.961.70
Square-1 1 6.51 8.19 8.869.026.516.6810.83
Hong Kong Championship 2023
3x3x3 Blindfolded 1 1:09.97 1:15.23 1:09.971:17.251:18.48
Square-1 1 11.25 12.17 12.2911.6312.5823.0311.25
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