Chang Hong Liang (张泓量)

Region WCA ID Gender Competitions Completed Solves
Singapore 2016LIAN02 Male 52 745

Current Personal Records

Event NR CR WR Single Average WR CR NR
3x3x3 Cube 135 5255 14543 9.35 11.15 13068 4895 138
2x2x2 Cube 228 8761 31691 3.35 3.81 10715 2999 108
4x4x4 Cube 42 1077 3122 32.15 42.04 5986 2116 71
5x5x5 Cube 44 1236 3592 1:07.96 1:15.92 3647 1264 40
6x6x6 Cube 24 503 1462 1:58.00 2:06.15 1430 497 25
7x7x7 Cube 24 546 1527 3:08.69 3:19.86 1516 539 24
3x3x3 Blindfolded 41 1797 5516 2:49.43
3x3x3 Fewest Moves 5 50 216 22 24.00 136 39 4
3x3x3 One-Handed 24 644 1921 11.96 17.30 3778 1408 50
Clock 55 1154 4874 8.44 11.42 6274 1442 73
Megaminx 35 831 3130 1:00.28 1:05.24 2707 719 34
Pyraminx 291 12822 48311 8.45 10.41 32582 9068 223
Skewb 47 1755 6942 3.93 7.03 8710 2437 69
Square-1 37 824 3753 14.97 21.20 4016 924 42
4x4x4 Blindfolded 14 508 1939 27:10.00

Medal Collection

Gold Silver Bronze
1 4 8

Record Collection

WR CR NR
2
Competition Round Place Single Average Solves
3x3x3 Cube
Singapore Kempinski Open 2025 First round 35 11.67 13.65 12.4312.8416.1211.6715.67
Singapore Megaland July 2025 Second round 18 10.35 12.37 12.5010.3511.9115.2712.70
First round 22 11.08 12.18 11.3611.0811.8514.1013.33
Singapore Newcomers 2025 Second round 23 10.05 11.60 12.6011.6310.5614.3810.05
First round 30 11.32 11.94 11.3414.1211.8711.3212.62
Singapore 50 and Counting 2024 First round 77 11.54 15.67 11.5412.0018.4718.2616.74
Singapore Mini 2024 Second round 33 9.41 11.83 12.7411.7813.539.4110.97
First round 42 11.10 12.13 11.2912.3613.5211.1012.75
NTU Speedcubing 2023 Second round 24 11.10 13.08 11.1015.2611.7212.2515.47
First round 25 9.79 11.15 11.599.7912.9210.0711.80
Singapore AMK CC Cubing B 2023 First round 40 9.35 14.21 16.289.3515.7514.4012.49
NTU Welcome 2023 First round 34 10.73 12.56 10.8513.7717.6213.0710.73
Singapore Cube Championship 2019 First round 37 11.18 12.84 11.1812.5513.5313.3012.68
Singapore Cube Championship 2018 First round 81 14.41 16.90 15.8416.5314.4119.3618.34
Singapore Rubik's Cube Competition 2017 First round 76 16.88 19.36 19.9330.1516.8820.5617.59
Singapore Rubik's Cube Competition 2016 First round 124 21.63 30.87 25.8028.0338.7821.63DNF
2x2x2 Cube
Singapore Kempinski Open 2025 First round 16 3.52 4.17 4.383.523.624.524.71
Singapore Newcomers 2025 First round 44 3.48 5.04 4.953.486.578.393.61
Singapore 50 and Counting 2024 Second round 23 3.75 4.17 4.184.514.613.833.75
First round 24 3.35 3.81 4.703.713.353.654.08
Singapore Mini 2024 First round 50 3.49 4.48 3.825.075.104.553.49
NTU Speedcubing 2023 First round 60 4.36 6.33 7.686.034.365.717.24
Singapore AMK CC Cubing B 2023 First round 66 5.42 6.55 5.4214.425.887.396.37
Singapore Cube Championship 2018 First round 86 5.55 6.84 7.469.276.315.556.75
4x4x4 Cube
Singapore Polytechnic September Showdown 2025 Second round 16 42.85 46.88 44.0042.8549.8749.5147.13
First round 16 40.79 45.75 45.6857.0142.7848.8040.79
Singapore Megaland July 2025 Second round 16 42.39 51.75 53.8542.56DNF58.8542.39
First round 13 32.15 43.63 39.8252.7132.1541.2249.84
OH My March Singapore 2025 First round 19 38.30 43.89 49.6355.3138.7343.3038.30
Singapore Championship 2025 First round 46 39.24 43.86 41.3744.1148.7346.0939.24
Singapore Big Cube 2024 First round 20 44.12 46.71 44.6450.5744.9144.1250.91
Mega Time Singapore 2024 First round 22 39.87 43.49 39.8752.1044.6944.3241.47
Singapore Max 2024 First round 29 40.34 45.10 40.3445.1048.1846.5843.62
Singapore Special 2024 First round 23 44.49 46.48 46.9248.6846.1746.3644.49
NTU Speedcubing 2023 First round 20 39.68 42.04 42.2239.6846.2343.9239.99
Singapore AMK CC Cubing B 2023 First round 17 47.08 48.29 47.1547.1050.6151.1447.08
Singapore AMK CC Cubing 2022 First round 25 42.20 45.06 42.2051.1645.2144.7045.26
Singapore Cube Championship 2019 First round 28 41.86 47.52 47.7747.4641.8652.5847.33
Singapore Cube Championship 2018 First round 44 56.34 56.341:21.27
Singapore Rubik's Cube Competition 2017 First round 47 1:07.65 1:07.651:10.97
Singapore Rubik's Cube Competition 2016 First round 50 1:36.83 1:36.832:05.06
5x5x5 Cube
Singapore Polytechnic September Showdown 2025 Second round 16 1:09.19 1:16.96 1:16.091:09.191:22.201:24.811:12.60
First round 16 1:12.86 1:18.12 1:22.271:16.421:12.861:15.671:28.54
Singapore Megaland July 2025 First round 11 1:07.96 1:15.92 1:11.941:19.331:18.201:07.961:17.62
OH My March Singapore 2025 First round 18 1:08.88 1:17.98 1:20.641:12.111:24.701:21.181:08.88
Singapore Championship 2025 First round 31 1:14.28 1:17.23 1:22.311:14.281:21.651:15.071:14.96
Singapore Big Cube 2024 First round 17 1:23.88 1:25.85 1:27.591:25.461:24.561:23.881:27.53
Singapore Max 2024 First round 27 1:23.67 1:24.74 1:24.311:26.681:24.811:25.091:23.67
Singapore Special 2024 First round 21 1:11.34 1:21.74 1:16.021:42.421:26.641:11.341:22.57
Singapore Sides Standoff 2024 First round 11 1:13.68 1:17.14 1:13.681:18.181:19.211:18.561:14.69
Singapore Masters 2023 First round 26 1:21.35 1:28.11 1:35.441:27.891:28.231:21.351:28.22
Singapore Max 2023 First round 39 1:15.48 1:28.22 1:31.921:28.971:31.161:15.481:24.52
Singapore Special 2023 First round 27 1:23.16 1:26.28 1:28.151:25.541:25.151:23.161:29.96
Singapore Cube Championship 2019 First round 23 1:15.78 1:24.69 1:28.461:19.301:26.311:43.111:15.78
Singapore Cube Championship 2018 First round 29 1:45.36 1:45.361:47.52
6x6x6 Cube
Singapore Polytechnic September Showdown 2025 First round 10 2:03.83 2:09.14 2:03.832:08.112:15.48
Singapore Megaland July 2025 Final 8 2:24.42 2:27.10 2:32.182:24.422:24.70
First round 8 1:59.65 2:06.15 2:08.921:59.652:09.89
Singapore Championship 2025 First round 24 1:58.41 2:14.08 2:16.221:58.412:27.60
Cool Down Singapore 2024 First round 18 2:17.53 2:23.20 2:26.752:17.532:25.32
Singapore Big Cube 2024 Second round 13 2:15.19 2:18.37 2:15.192:18.902:21.03
First round 13 2:13.56 2:17.80 2:13.562:16.912:22.92
Singapore Masters 2024 Final 9 1:58.00 2:06.42 2:11.751:58.002:09.52
Mega Time Singapore 2024 Final 15 2:04.23 2:10.86 2:22.882:04.232:05.47
Singapore Max 2024 First round 21 2:09.03 2:20.62 2:20.922:09.032:31.92
Singapore Special 2024 Final 18 2:01.61 2:17.05 2:44.092:05.452:01.61
Singapore Masters 2023 First round 20 2:14.95 2:18.71 2:24.642:14.952:16.55
Singapore Max 2023 First round 32 2:15.50 2:23.52 2:27.952:15.502:27.12
Singapore Special 2023 Final 20 2:17.96 2:23.00 2:25.222:17.962:25.82
Singapore Championship 2023 First round 30 2:13.54 2:16.27 2:13.542:18.622:16.66
NTU Welcome 2023 Final 17 2:11.23 2:19.63 2:25.752:11.232:21.92
Singapore AMK CC Cubing 2022 Final 13 2:16.39 2:21.29 2:16.392:25.972:21.52
Singapore Cube Championship 2019 Final 14 2:14.40 2:20.62 2:16.752:30.722:14.40
Singapore Special 2017 First round 18 3:19.72 3:32.32 3:30.593:19.723:46.65
7x7x7 Cube
Singapore Polytechnic September Showdown 2025 First round 13 3:13.60 3:37.78 3:55.723:13.603:44.01
Singapore Megaland July 2025 Final 7 3:13.72 3:19.86 3:18.673:13.723:27.18
First round 8 3:15.31 3:21.80 3:15.313:28.123:21.97
Singapore Championship 2025 First round 20 3:20.47 3:23.11 3:20.473:27.213:21.66
Singapore Big Cube 2024 First round 9 3:18.48 3:26.66 3:18.483:27.983:33.52
Singapore Masters 2024 Final 9 3:19.66 3:33.93 3:35.293:19.663:46.83
Mega Time Singapore 2024 Final 13 3:14.58 3:27.93 3:38.103:31.123:14.58
Singapore Max 2024 First round 17 3:14.54 3:34.22 3:58.413:14.543:29.70
Singapore Special 2024 Final 15 3:12.32 3:20.22 3:34.383:13.973:12.32
Singapore Masters 2023 First round 17 3:17.41 3:43.18 3:57.473:54.673:17.41
Singapore Max 2023 First round 26 3:08.69 3:21.26 3:35.713:08.693:19.37
Singapore Special 2023 Final 17 3:36.89 3:38.15 3:37.533:40.023:36.89
Singapore Championship 2023 First round 30 3:20.90 3:43.44 3:20.904:08.233:41.18
NTU Welcome 2023 Final 16 3:26.86 3:30.35 3:26.863:29.133:35.06
Singapore Cube Championship 2019 Final 15 3:33.53 3:48.46 3:54.333:33.533:57.52
Singapore Cube Championship 2018 Final 14 4:21.71 4:28.96 4:21.714:38.254:26.93
Singapore Special 2017 First round 13 5:15.31 5:41.61 5:54.685:15.315:54.83
3x3x3 Blindfolded
Singapore Kempinski Open 2025 First round 11 3:11.11 DNF DNF3:11.11DNF
Please Be Quiet Singapore August 2025 First round 14 4:41.66 DNF 4:41.66DNFDNF
Please Be Quiet Singapore June 2025 First round 7 DNF DNF DNFDNFDNF
Big and Blind March Singapore 2025 First round 8 DNF DNF DNFDNFDNF
Cool Down Singapore 2024 First round 15 2:49.43 DNF 3:58.592:49.43DNF
Singapore Kempinski Rubik's 50th Anniversary 2024 First round 11 DNF DNF DNFDNFDNF
Singapore Masters 2024 First round 7 4:47.86 DNF 4:47.86DNFDNS
Mega Time Singapore 2024 First round 11 4:29.98 DNF DNF4:29.98DNF
Please Be Quiet Singapore 2024 First round 17 DNF DNF DNFDNFDNF
No Noise November Singapore 2023 First round 15 DNF DNF DNFDNFDNS
Singapore Silent September 2023 First round 12 5:25.30 DNF 5:25.30DNFDNS
Singapore Special 2023 First round 22 7:30.29 DNF DNFDNF7:30.29
NTU Welcome 2023 Final 16 DNF DNF DNFDNFDNF
Mental Breakdown Singapore 2022 First round 10 5:30.20 DNF DNF5:30.20DNF
Singapore Cube Championship 2019 Final 19 DNF DNF DNFDNFDNS
Singapore Cube Championship 2018 Final 17 DNF DNF DNFDNFDNF
3x3x3 Fewest Moves
Please Be Quiet Singapore August 2025 Final 3 23 25.33 262327
FMC Asia 2025 Final 26 26 27.00 282627
Please Be Quiet Singapore June 2025 Final 2 24 25.00 272424
Fewest Moves Singapore 2025 Final 7 22 24.00 272322
First round 4 22 24.00 222327
Don't DNF March Singapore 2025 Final 4 25 26.00 272625
Singapore Championship 2025 Final 6 25 28.33 253327
Please Don't DNF Singapore 2024 Final 3 23 24.67 262523
Singapore 3xFMCx3 2024 First round 20 24 DNF DNF2724
Sunday Silence Singapore 2024 Final 2 22 24.00 242622
Please Be Quiet Singapore 2024 Final 3 23 24.00 262323
FMC 2024 Final 54 25 27.67 273125
FMC Singapore 2024 Final 7 27 29.67 283427
First round 9 26 31.00 263037
MYHM Singapore Championship 2024 Final 6 26 27.33 262828
No Noise November Singapore 2023 Final 3 25 26.00 272625
Singapore Silent September 2023 Final 3 23 27.33 293023
Fewest Moves Chalet Singapore 2023 Final 2 23 26.00 282723
First round 3 27 28.00 272829
Singapore Championship 2023 Final 3 25 28.00 302529
Mental Breakdown Singapore 2022 Final 3 28 29.33 292831
Sunday Silence Singapore 2022 Final 4 28 33.00 283536
FMC Asia 2019 Final 15 28 29.67 283031
Singapore Cube Championship 2019 Final 2 24 28.33 272434
Fewest Moves Southeast Asia 2018 Final 6 32 32.67 323333
Singapore Cube Championship 2018 Final 3 28 29.67 283328
Singapore Rubik's Cube Competition 2017 Final 13 35 DNF DNF3635
Singapore Rubik's Cube Competition 2016 Final 1 32 NR 35.00 NR 373632
3x3x3 One-Handed
Singapore Polytechnic September Showdown 2025 First round 11 16.38 17.31 17.5117.7117.4816.3816.95
OH My March Singapore 2025 First round 17 17.79 18.98 18.1918.5420.5720.2017.79
Singapore Marine Terrace Breeze RN 2024 First round 13 11.96 17.30 17.9711.9618.7415.2021.14
Cool Down Singapore 2024 Second round 13 13.62 17.61 15.5020.1117.2322.3513.62
First round 17 16.43 18.72 20.1118.4916.4317.6020.08
Singapore Kempinski Rubik's 50th Anniversary 2024 First round 10 15.48 18.85 17.7815.4818.9723.2519.81
Singapore 50 and Counting 2024 First round 18 16.51 19.59 21.4520.4516.5122.3316.87
Singapore Sides Standoff 2024 First round 13 16.11 19.24 22.5518.0918.6421.0016.11
Singapore Marine Parade Speedcubing 2023 First round 16 15.77 18.24 20.0815.7718.7717.7218.24
NTU Speedcubing 2023 First round 29 20.81 22.53 20.8725.7920.8121.8724.84
Singapore AMK CC Cubing B 2023 First round 17 18.33 22.10 26.8019.8818.3319.6227.73
NTU Welcome 2023 First round 23 18.60 20.90 18.6022.7120.2521.1421.32
Singapore AMK CC Cubing 2022 First round 28 18.06 24.46 24.6426.2218.0622.5334.18
Singapore Cube Championship 2018 First round 30 20.91 25.62 20.9127.0627.4325.3624.43
Singapore Rubik's Cube Competition 2017 First round 44 33.46 33.4633.52
Clock
Singapore Polytechnic September Showdown 2025 First round 14 10.32 12.37 12.3611.9015.6810.3212.86
A New Year in Singapore 2025 First round 26 9.86 11.59 10.4913.799.8610.4821.54
Please Don't DNF Singapore 2024 First round 15 9.59 12.36 11.7014.1716.3911.209.59
Singapore Sides Standoff 2024 First round 23 8.44 11.42 12.4911.5311.3711.368.44
Singapore Masters 2023 First round 22 11.71 14.45 11.71DNF15.4612.9514.95
Singapore Special 2023 First round 22 11.16 14.45 14.4413.5111.1615.39DNF
Singapore Championship 2023 First round 35 10.41 13.18 12.8214.3910.4112.3316.80
NTU Welcome 2023 First round 27 15.62 18.15 18.9115.6216.4819.0720.04
Megaminx
Singapore Polytechnic September Showdown 2025 First round 14 1:08.72 1:13.47 1:08.721:15.061:12.661:12.681:15.76
Singapore Megaland July 2025 Second round 9 1:04.01 1:10.13 1:07.241:15.911:12.571:04.011:10.57
First round 10 1:00.28 1:05.24 1:03.471:00.281:01.921:10.331:16.55
OH My March Singapore 2025 First round 11 1:12.13 1:14.61 1:12.521:12.131:13.431:24.221:17.87
Singapore Big Cube 2024 First round 15 1:05.11 1:16.40 1:05.111:21.971:08.011:22.401:19.21
Singapore Masters 2024 First round 11 1:09.28 1:15.11 1:15.421:32.051:09.771:20.141:09.28
Singapore Max 2024 First round 12 1:10.40 1:14.86 1:17.881:10.401:13.271:14.571:16.75
Singapore Special 2024 First round 12 1:05.76 1:11.63 1:11.261:07.011:16.631:05.761:22.28
Singapore Sides Standoff 2024 First round 13 1:07.77 1:13.80 1:16.761:07.771:12.231:19.621:12.40
Singapore Masters 2023 First round 17 1:07.14 1:11.24 1:12.761:16.161:07.141:08.391:12.58
Singapore Max 2023 First round 26 1:14.85 1:21.61 1:14.851:19.961:27.061:17.801:30.67
Singapore Special 2023 First round 29 1:26.38 1:36.72 1:41.591:36.061:26.381:38.881:35.22
Singapore Cube Championship 2019 Final 19 1:15.90 1:25.05 1:23.591:34.271:26.271:15.901:25.28
Singapore Cube Championship 2018 Final 18 1:29.44 1:35.85 1:33.531:43.841:32.251:29.441:41.77
Singapore Special 2017 First round 13 1:44.68 1:53.85 2:16.221:45.961:44.681:59.561:56.02
Pyraminx
Singapore Kempinski Open 2025 First round 23 9.26 10.41 12.149.269.8310.8710.53
Singapore Newcomers 2025 First round 40 8.45 11.01 12.2213.9610.829.998.45
Singapore 50 and Counting 2024 First round 60 13.69 13.8813.69
Singapore AMK CC Cubing B 2023 First round 46 11.46 13.98 14.5311.4612.4115.5515.01
Skewb
Singapore Kempinski Open 2025 First round 17 6.58 7.54 8.248.596.787.596.58
Singapore Newcomers 2025 Second round 16 6.19 7.93 8.259.249.036.506.19
First round 15 7.86 8.42 7.868.9410.877.938.38
A New Year in Singapore 2025 First round 25 5.25 7.03 6.079.057.557.485.25
Singapore Marine Terrace Breeze RN 2024 First round 16 3.93 7.46 9.816.887.058.443.93
Cool Down Singapore 2024 First round 39 3.98 9.68 10.693.989.1712.429.18
Singapore 50 and Counting 2024 First round 27 6.89 10.09 12.6913.2810.027.576.89
NTU Speedcubing 2023 First round 28 7.76 10.19 11.4610.2911.069.227.76
Singapore AMK CC Cubing B 2023 First round 34 8.13 12.56 13.8012.948.1315.1510.95
Singapore Cube Championship 2018 First round 43 9.25 12.55 13.0315.229.409.2515.81
Square-1
Singapore Polytechnic September Showdown 2025 Final 10 17.98 23.58 30.2527.2921.5121.9417.98
First round 9 14.97 21.20 17.9624.2626.2214.9721.37
Singapore Championship 2025 First round 24 22.28 23.49 26.6022.2824.8522.4723.14
A New Year in Singapore 2025 First round 16 18.85 23.96 22.3128.0925.9218.8523.64
Singapore Special 2023 First round 31 32.15 41.94 39.4341.5032.1544.881:05.38
Singapore Special 2017 First round 12 24.02 34.42 35.2533.9134.0924.0244.84
Singapore Rubik's Cube Competition 2017 Final 26 1:08.11 1:40.281:08.11
4x4x4 Blindfolded
Please Be Quiet Singapore August 2025 Final 6 27:10.00 DNF 27:10.00DNSDNS
Please Be Quiet Singapore June 2025 Final 7 DNF DNF DNFDNSDNS
Don't DNF March Singapore 2025 Final 6 DNF DNF DNFDNFDNS
Please Don't DNF Singapore 2024 Final 7 DNF DNF DNFDNSDNS
Sunday Silence Singapore 2024 Final 7 DNF DNF DNFDNSDNS
Please Be Quiet Singapore 2024 Final 12 DNF DNF DNFDNSDNS
3x3x3 Multi-Blind
No Noise November Singapore 2023 Final 7 DNF DNF

History of National Records

Single Average Competition Round Solves
3x3x3 Fewest Moves
32 35.00 Singapore Rubik's Cube Competition 2016 Final 373632

National Championship Podiums

Event Place Single Average Solves
Singapore Championship 2025
3x3x3 Fewest Moves 3 25 28.33 253327
Singapore Championship 2023
3x3x3 Fewest Moves 2 25 28.00 302529
Singapore Cube Championship 2019
3x3x3 Fewest Moves 2 24 28.33 272434
Singapore Cube Championship 2018
3x3x3 Fewest Moves 2 28 29.67 283328
Singapore Rubik's Cube Competition 2016
3x3x3 Fewest Moves 1 32 35.00 373632
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