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Joshua Tham Chern Siew

Name: Joshua Tham Chern Siew
Region: Malaysia
Competitions: 13
WCA ID: Joshua Tham Chern Siew2023SIEW01
Gender: Male
Career: 2023.03.10 - 2026.04.19
2025 Annual Summary

Current Personal Records

EventNRCRWRSingleAverageWRCRNRGoldSilverBronzeSolves/Attempts
3x3x3 Cube47105931906.888.001766644271135/140
2x2x2 Cube4275533661.443.33667218229887/90
4x4x4 Cube1773232916739.5042.426679238413036/40
5x5x5 Cube171300789601:24.681:34.248986303017118/19
3x3x3 One-Handed29580174911.6214.2913865052468/70
Pyraminx1582893107414.206.7410503306413864/65
Skewb2603987153985.497.6511398317318540/40
Square-11451965847923.1234.899884229416720/20

Sum of Ranks

 Sum of NRSum of CRSum of WR
Single268547550186364
Average203836147132746

Overall Medal Collection

GoldSilverBronze
1
CompetitionRoundPlaceBestAverageDetail
1 Shamelin Cube Open 2026Final2 7.70 8.37
8.70      8.38      DNF       8.03      7.70
Semi Final3 6.88 8.00
9.61      8.11      8.61      6.88      7.28
Second round11 6.92 9.72
10.22     10.17     9.35      6.92      9.63
First round7 7.90 9.12
8.21      13.10     10.96     7.90      8.19
XMUM Cube Open 2026Second round14 7.40 8.86
9.34      8.26      8.97      11.59     7.40
First round22 8.82 9.70
9.74      9.31      10.06     8.82      10.30
MyFamilyFest Cube Challenge 2025Final14 8.55 11.02
12.00     9.36      11.69     DNF       8.55
Second round10 7.57 9.91
7.84      7.57      12.35     12.61     9.53
First round11 9.33 9.79
9.47      10.03     9.33      10.34     9.86
Malaysia Cube Championship 2025Semi Final28 8.90 10.48
10.67     8.90      10.80     10.16     10.62
Second round26 9.10 9.61
9.95      9.10      9.51      9.37      10.63
First round26 8.39 9.57
9.80      9.45      8.39      9.46      14.34
gateway KLIA2 Cube Open 2025Second round37 9.25 10.82
11.41     9.63      12.81     11.41     9.25
First round19 8.36 9.15
9.65      8.61      8.36      9.76      9.19
Malaysia Newcomer 2025Final22 8.67 11.09
8.67      10.34     11.06     12.05     11.88
Semi Final20 9.84 10.41
10.76     13.97     9.91      9.84      10.55
Second round28 9.48 11.31
10.68     9.48      12.27     13.43     10.98
First round25 10.31 11.15
10.71     10.31     11.97     DNF       10.77
XMUM Cube Open 2025Second round45 10.12 11.65
10.12     10.54     12.48     12.37     12.05
First round21 8.58 9.76
11.61     10.69     8.94      9.65      8.58
WCA Asian Championship 2024First round349 11.42 13.38
11.42     12.32     12.86     15.31     14.97
Malaysia Cube Championship 2024Second round33 8.57 10.26
11.09     8.57      10.12     9.57      13.25
First round43 10.42 11.36
10.42     13.89     11.52     10.83     11.74
Sunway Velocity Mall Open 2024Second round63 11.19 13.73
14.73     DNF       14.66     11.80     11.19
First round37 10.71 11.16
12.34     10.71     11.28     11.08     11.12
UoSM Cube Open 2024First round56 10.67 13.48
18.11     10.67     13.61     12.27     14.55
Selangor Ace Cube 2023First round80 16.18 18.19
16.18     18.78     17.77     18.03     22.84
YJ KL 2023First round230 20.58 23.57
23.76     DNF       23.79     23.15     20.58
CompetitionRoundPlaceBestAverageDetail
1 Shamelin Cube Open 2026Final16 2.63 3.97
4.36      4.51      3.05      5.34      2.63
Second round17 1.80 3.90
9.29      4.43      2.79      1.80      4.47
First round14 2.25 3.33
2.50      DNF       3.50      2.25      3.99
XMUM Cube Open 2026First round81 3.82 5.70
4.73      3.82      DNF       6.52      5.85
MyFamilyFest Cube Challenge 2025Final21 2.90 4.88
4.65      5.60      7.74      2.90      4.40
First round11 1.44 3.65
1.44      5.67      2.09      4.67      4.19
Malaysia Cube Championship 2025First round47 3.81 4.30
3.81      4.00      6.72      4.09      4.81
gateway KLIA2 Cube Open 2025Second round22 3.45 3.85
3.45      3.59      4.18      3.78      4.80
First round40 3.30 4.47
4.66      5.32      5.40      3.30      3.43
Malaysia Newcomer 2025Final30 4.00 4.65
7.96      4.04      5.43      4.49      4.00
Second round30 3.97 4.22
4.31      4.07      3.97      4.28      5.37
First round32 3.75 4.53
3.95      3.75      5.47      7.37      4.18
XMUM Cube Open 2025Second round23 2.93 4.05
6.93      4.09      3.94      2.93      4.12
First round49 3.09 4.65
3.09      5.63      4.53      3.85      5.56
WCA Asian Championship 2024First round231 3.59 4.66
5.66      5.62      4.53      3.59      3.83
Malaysia Cube Championship 2024First round72 3.67 5.04
DNF       4.42      4.43      6.28      3.67
UoSM Cube Open 2024First round64 3.75 5.73
8.10      6.26      4.84      3.75      6.10
Selangor Ace Cube 2023First round43 4.14 4.87
6.09      4.14      4.20      4.52      5.90
CompetitionRoundPlaceBestAverageDetail
XMUM Cube Open 2026First round61 42.65 50.46
42.65     52.30     50.35     48.72     DNF
Malaysia Cube Championship 2025First round37 39.50 42.42
47.69     40.92     39.50     43.05     43.29
gateway KLIA2 Cube Open 2025First round41 39.63 46.00
42.20     54.66     DNF       41.14     39.63
XMUM Cube Open 2025First round53 40.54 49.39
40.54     43.17     53.89     51.11     DNF
Malaysia Cube Championship 2024First round77 48.92 1:02.38
1:01.94   1:12.66   48.92     DNF       52.55
Sunway Velocity Mall Open 2024First round79 1:04.16 1:08.22
1:07.27   1:12.00   1:09.38   1:04.16   1:08.01
UoSM Cube Open 2024First round51 1:08.66 1:12.98
1:10.96   1:16.30   1:11.67   1:08.66   1:16.44
Selangor Ace Cube 2023First round71 1:17.01 1:32.28
1:17.01   1:32.58   1:29.65   1:34.61   2:47.09
CompetitionRoundPlaceBestAverageDetail
XMUM Cube Open 2026First round55 1:28.33 1:34.24
1:28.33   1:32.23   1:32.27   DNF       1:38.23
Malaysia Cube Championship 2025First round57 1:24.68 1:36.90
1:24.68   1:28.38   1:48.92   1:47.89   1:34.43
gateway KLIA2 Cube Open 2025First round47 1:49.14 1:56.88
1:54.20   1:49.14   2:01.38   1:55.07   2:05.73
XMUM Cube Open 2025First round58 2:03.40 
2:03.40   2:05.51
Sunway Velocity Mall Open 2024First round69 3:12.45 
3:12.45   3:18.00
CompetitionRoundPlaceBestAverageDetail
XMUM Cube Open 2026Final5 11.62 14.75
20.38     17.76     12.43     14.05     11.62
First round9 12.73 14.99
16.31     16.38     12.73     14.35     14.32
Malaysia Cube Championship 2025Final12 14.64 15.61
14.94     16.93     16.60     14.64     15.28
First round7 12.96 14.29
16.92     12.96     13.99     14.51     14.37
gateway KLIA2 Cube Open 2025First round19 15.62 16.34
15.84     17.20     15.62     15.97     17.79
XMUM Cube Open 2025Final10 12.97 15.90
19.18     12.97     19.53     15.14     13.38
First round15 14.01 15.96
20.81     15.66     16.35     15.86     14.01
WCA Asian Championship 2024Second round70 14.57 17.03
21.35     16.33     14.57     18.51     16.25
First round79 15.50 17.14
18.44     17.07     15.50     19.91     15.91
Malaysia Cube Championship 2024First round17 16.62 18.34
19.03     19.06     22.15     16.94     16.62
Sunway Velocity Mall Open 2024Second round27 17.85 22.11
21.31     23.57     21.46     24.59     17.85
First round39 21.11 23.29
28.42     25.20     21.11     23.00     21.66
UoSM Cube Open 2024First round38 19.02 24.91
23.28     29.90     19.02     21.55     DNF
Selangor Ace Cube 2023First round48 25.20 29.12
28.04     DNF       31.81     25.20     27.50
CompetitionRoundPlaceBestAverageDetail
1 Shamelin Cube Open 2026Second round18 5.18 6.74
7.53      7.26      6.43      5.18      6.53
First round21 5.84 8.53
7.23      9.60      8.75      DNF       5.84
XMUM Cube Open 2026First round40 4.20 8.58
7.23      11.02     7.57      10.95     4.20
Malaysia Cube Championship 2025First round34 6.61 7.49
9.37      7.08      8.08      6.61      7.32
gateway KLIA2 Cube Open 2025First round58 7.19 9.39
7.53      11.27     7.19      10.05     10.59
Malaysia Newcomer 2025Final39 8.50 11.62
10.63     8.50      11.27     12.97     14.45
Second round37 7.97 9.61
11.08     9.25      8.49      7.97      24.25
First round36 7.54 9.82
10.05     10.00     7.54      9.41      12.05
XMUM Cube Open 2025First round81 9.69 12.36
14.88     9.69      12.16     10.30     14.62
WCA Asian Championship 2024First round261 6.95 9.20
6.95      11.05     8.74      9.68      9.18
Malaysia Cube Championship 2024First round89 6.26 13.72
16.33     15.50     15.94     9.71      6.26
Sunway Velocity Mall Open 2024First round79 10.02 12.90
11.71     16.41     14.86     10.02     12.13
UoSM Cube Open 2024First round59 7.74 12.76
7.74      17.24     11.67     9.38      17.36
CompetitionRoundPlaceBestAverageDetail
1 Shamelin Cube Open 2026First round25 5.49 9.27
9.00      9.07      12.94     9.74      5.49
XMUM Cube Open 2026First round47 6.40 7.65
6.40      8.29      11.47     8.20      6.47
Malaysia Cube Championship 2025First round61 8.05 11.09
15.23     11.23     10.41     8.05      11.64
gateway KLIA2 Cube Open 2025First round57 9.28 12.52
12.93     9.28      17.58     11.68     12.94
XMUM Cube Open 2025First round51 5.84 10.14
5.84      10.31     15.12     10.28     9.82
WCA Asian Championship 2024First round258 11.29 12.03
13.09     12.47     11.29     11.94     11.69
Malaysia Cube Championship 2024First round61 9.48 12.68
13.65     12.21     9.48      14.68     12.18
Sunway Velocity Mall Open 2024First round56 6.83 11.45
8.66      6.83      13.05     12.65     13.46
CompetitionRoundPlaceBestAverageDetail
gateway KLIA2 Cube Open 2025First round32 23.12 34.89
23.12     34.87     42.15     58.36     27.64
XMUM Cube Open 2025First round36 25.28 38.08
31.31     37.70     25.28     45.24     47.62
Malaysia Cube Championship 2024First round36 24.59 44.79
48.46     24.59     51.19     34.72     1:05.00
Sunway Velocity Mall Open 2024First round30 26.69 39.13
35.18     26.69     44.81     40.01     42.19
1 Shamelin Cube Open 2026
EventRoundPlaceBestAverageDetail
3x3x3 CubeFinal2 7.70 8.37
8.70      8.38      DNF       8.03      7.70
Semi Final3 6.88 8.00
9.61      8.11      8.61      6.88      7.28
Second round11 6.92 9.72
10.22     10.17     9.35      6.92      9.63
First round7 7.90 9.12
8.21      13.10     10.96     7.90      8.19
2x2x2 CubeFinal16 2.63 3.97
4.36      4.51      3.05      5.34      2.63
Second round17 1.80 3.90
9.29      4.43      2.79      1.80      4.47
First round14 2.25 3.33
2.50      DNF       3.50      2.25      3.99
PyraminxSecond round18 5.18 6.74
7.53      7.26      6.43      5.18      6.53
First round21 5.84 8.53
7.23      9.60      8.75      DNF       5.84
SkewbFirst round25 5.49 9.27
9.00      9.07      12.94     9.74      5.49
 
XMUM Cube Open 2026
EventRoundPlaceBestAverageDetail
3x3x3 CubeSecond round14 7.40 8.86
9.34      8.26      8.97      11.59     7.40
First round22 8.82 9.70
9.74      9.31      10.06     8.82      10.30
2x2x2 CubeFirst round81 3.82 5.70
4.73      3.82      DNF       6.52      5.85
4x4x4 CubeFirst round61 42.65 50.46
42.65     52.30     50.35     48.72     DNF
5x5x5 CubeFirst round55 1:28.33 1:34.24
1:28.33   1:32.23   1:32.27   DNF       1:38.23
3x3x3 One-HandedFinal5 11.62 14.75
20.38     17.76     12.43     14.05     11.62
First round9 12.73 14.99
16.31     16.38     12.73     14.35     14.32
PyraminxFirst round40 4.20 8.58
7.23      11.02     7.57      10.95     4.20
SkewbFirst round47 6.40 7.65
6.40      8.29      11.47     8.20      6.47
 
MyFamilyFest Cube Challenge 2025
EventRoundPlaceBestAverageDetail
3x3x3 CubeFinal14 8.55 11.02
12.00     9.36      11.69     DNF       8.55
Second round10 7.57 9.91
7.84      7.57      12.35     12.61     9.53
First round11 9.33 9.79
9.47      10.03     9.33      10.34     9.86
2x2x2 CubeFinal21 2.90 4.88
4.65      5.60      7.74      2.90      4.40
First round11 1.44 3.65
1.44      5.67      2.09      4.67      4.19
 
Malaysia Cube Championship 2025
EventRoundPlaceBestAverageDetail
3x3x3 CubeSemi Final28 8.90 10.48
10.67     8.90      10.80     10.16     10.62
Second round26 9.10 9.61
9.95      9.10      9.51      9.37      10.63
First round26 8.39 9.57
9.80      9.45      8.39      9.46      14.34
2x2x2 CubeFirst round47 3.81 4.30
3.81      4.00      6.72      4.09      4.81
4x4x4 CubeFirst round37 39.50 42.42
47.69     40.92     39.50     43.05     43.29
5x5x5 CubeFirst round57 1:24.68 1:36.90
1:24.68   1:28.38   1:48.92   1:47.89   1:34.43
3x3x3 One-HandedFinal12 14.64 15.61
14.94     16.93     16.60     14.64     15.28
First round7 12.96 14.29
16.92     12.96     13.99     14.51     14.37
PyraminxFirst round34 6.61 7.49
9.37      7.08      8.08      6.61      7.32
SkewbFirst round61 8.05 11.09
15.23     11.23     10.41     8.05      11.64
 
gateway KLIA2 Cube Open 2025
EventRoundPlaceBestAverageDetail
3x3x3 CubeSecond round37 9.25 10.82
11.41     9.63      12.81     11.41     9.25
First round19 8.36 9.15
9.65      8.61      8.36      9.76      9.19
2x2x2 CubeSecond round22 3.45 3.85
3.45      3.59      4.18      3.78      4.80
First round40 3.30 4.47
4.66      5.32      5.40      3.30      3.43
4x4x4 CubeFirst round41 39.63 46.00
42.20     54.66     DNF       41.14     39.63
5x5x5 CubeFirst round47 1:49.14 1:56.88
1:54.20   1:49.14   2:01.38   1:55.07   2:05.73
3x3x3 One-HandedFirst round19 15.62 16.34
15.84     17.20     15.62     15.97     17.79
PyraminxFirst round58 7.19 9.39
7.53      11.27     7.19      10.05     10.59
SkewbFirst round57 9.28 12.52
12.93     9.28      17.58     11.68     12.94
Square-1First round32 23.12 34.89
23.12     34.87     42.15     58.36     27.64
 
Malaysia Newcomer 2025
EventRoundPlaceBestAverageDetail
3x3x3 CubeFinal22 8.67 11.09
8.67      10.34     11.06     12.05     11.88
Semi Final20 9.84 10.41
10.76     13.97     9.91      9.84      10.55
Second round28 9.48 11.31
10.68     9.48      12.27     13.43     10.98
First round25 10.31 11.15
10.71     10.31     11.97     DNF       10.77
2x2x2 CubeFinal30 4.00 4.65
7.96      4.04      5.43      4.49      4.00
Second round30 3.97 4.22
4.31      4.07      3.97      4.28      5.37
First round32 3.75 4.53
3.95      3.75      5.47      7.37      4.18
PyraminxFinal39 8.50 11.62
10.63     8.50      11.27     12.97     14.45
Second round37 7.97 9.61
11.08     9.25      8.49      7.97      24.25
First round36 7.54 9.82
10.05     10.00     7.54      9.41      12.05
 
XMUM Cube Open 2025
EventRoundPlaceBestAverageDetail
3x3x3 CubeSecond round45 10.12 11.65
10.12     10.54     12.48     12.37     12.05
First round21 8.58 9.76
11.61     10.69     8.94      9.65      8.58
2x2x2 CubeSecond round23 2.93 4.05
6.93      4.09      3.94      2.93      4.12
First round49 3.09 4.65
3.09      5.63      4.53      3.85      5.56
4x4x4 CubeFirst round53 40.54 49.39
40.54     43.17     53.89     51.11     DNF
5x5x5 CubeFirst round58 2:03.40 
2:03.40   2:05.51
3x3x3 One-HandedFinal10 12.97 15.90
19.18     12.97     19.53     15.14     13.38
First round15 14.01 15.96
20.81     15.66     16.35     15.86     14.01
PyraminxFirst round81 9.69 12.36
14.88     9.69      12.16     10.30     14.62
SkewbFirst round51 5.84 10.14
5.84      10.31     15.12     10.28     9.82
Square-1First round36 25.28 38.08
31.31     37.70     25.28     45.24     47.62
 
WCA Asian Championship 2024
EventRoundPlaceBestAverageDetail
3x3x3 CubeFirst round349 11.42 13.38
11.42     12.32     12.86     15.31     14.97
2x2x2 CubeFirst round231 3.59 4.66
5.66      5.62      4.53      3.59      3.83
3x3x3 One-HandedSecond round70 14.57 17.03
21.35     16.33     14.57     18.51     16.25
First round79 15.50 17.14
18.44     17.07     15.50     19.91     15.91
PyraminxFirst round261 6.95 9.20
6.95      11.05     8.74      9.68      9.18
SkewbFirst round258 11.29 12.03
13.09     12.47     11.29     11.94     11.69
 
Malaysia Cube Championship 2024
EventRoundPlaceBestAverageDetail
3x3x3 CubeSecond round33 8.57 10.26
11.09     8.57      10.12     9.57      13.25
First round43 10.42 11.36
10.42     13.89     11.52     10.83     11.74
2x2x2 CubeFirst round72 3.67 5.04
DNF       4.42      4.43      6.28      3.67
4x4x4 CubeFirst round77 48.92 1:02.38
1:01.94   1:12.66   48.92     DNF       52.55
3x3x3 One-HandedFirst round17 16.62 18.34
19.03     19.06     22.15     16.94     16.62
PyraminxFirst round89 6.26 13.72
16.33     15.50     15.94     9.71      6.26
SkewbFirst round61 9.48 12.68
13.65     12.21     9.48      14.68     12.18
Square-1First round36 24.59 44.79
48.46     24.59     51.19     34.72     1:05.00
 
Sunway Velocity Mall Open 2024
EventRoundPlaceBestAverageDetail
3x3x3 CubeSecond round63 11.19 13.73
14.73     DNF       14.66     11.80     11.19
First round37 10.71 11.16
12.34     10.71     11.28     11.08     11.12
4x4x4 CubeFirst round79 1:04.16 1:08.22
1:07.27   1:12.00   1:09.38   1:04.16   1:08.01
5x5x5 CubeFirst round69 3:12.45 
3:12.45   3:18.00
3x3x3 One-HandedSecond round27 17.85 22.11
21.31     23.57     21.46     24.59     17.85
First round39 21.11 23.29
28.42     25.20     21.11     23.00     21.66
PyraminxFirst round79 10.02 12.90
11.71     16.41     14.86     10.02     12.13
SkewbFirst round56 6.83 11.45
8.66      6.83      13.05     12.65     13.46
Square-1First round30 26.69 39.13
35.18     26.69     44.81     40.01     42.19
 
UoSM Cube Open 2024
EventRoundPlaceBestAverageDetail
3x3x3 CubeFirst round56 10.67 13.48
18.11     10.67     13.61     12.27     14.55
2x2x2 CubeFirst round64 3.75 5.73
8.10      6.26      4.84      3.75      6.10
4x4x4 CubeFirst round51 1:08.66 1:12.98
1:10.96   1:16.30   1:11.67   1:08.66   1:16.44
3x3x3 One-HandedFirst round38 19.02 24.91
23.28     29.90     19.02     21.55     DNF
PyraminxFirst round59 7.74 12.76
7.74      17.24     11.67     9.38      17.36
 
Selangor Ace Cube 2023
EventRoundPlaceBestAverageDetail
3x3x3 CubeFirst round80 16.18 18.19
16.18     18.78     17.77     18.03     22.84
2x2x2 CubeFirst round43 4.14 4.87
6.09      4.14      4.20      4.52      5.90
4x4x4 CubeFirst round71 1:17.01 1:32.28
1:17.01   1:32.58   1:29.65   1:34.61   2:47.09
3x3x3 One-HandedFirst round48 25.20 29.12
28.04     DNF       31.81     25.20     27.50
 
YJ KL 2023
EventRoundPlaceBestAverageDetail
3x3x3 CubeFirst round230 20.58 23.57
23.76     DNF       23.79     23.15     20.58
No.DateNameRegionCity
132026-04-18~191 Shamelin Cube Open 2026MalaysiaKuala Lumpur
122026-02-28~03-01XMUM Cube Open 2026MalaysiaSepang, Selangor
112025-11-09MyFamilyFest Cube Challenge 2025MalaysiaKuala Lumpur
102025-11-01~02Malaysia Cube Championship 2025MalaysiaSelangor
92025-05-31~06-01gateway KLIA2 Cube Open 2025MalaysiaSepang, Selangor
82025-03-15~16Malaysia Newcomer 2025MalaysiaKuala Lumpur
72025-02-15~16XMUM Cube Open 2025MalaysiaSepang, Selangor
62024-11-01~04WCA Asian Championship 2024MalaysiaPutrajaya
52024-07-27~28Malaysia Cube Championship 2024MalaysiaSelangor
42024-05-25~27Sunway Velocity Mall Open 2024MalaysiaKuala Lumpur
32024-03-23~24UoSM Cube Open 2024MalaysiaJohor Bahru
22023-06-03~04Selangor Ace Cube 2023MalaysiaPetaling Jaya
12023-03-10~12YJ KL 2023MalaysiaKuala Lumpur