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Isaac Willemssen

Name: Isaac Willemssen
Region: United States
Competitions: 9
WCA ID: Isaac Willemssen2024WILL19
Gender: Male
Career: 2024.03.16 - 2025.11.08
2025 Annual Summary

Current Personal Records

EventNRCRWRSingleAverageWRCRNRGoldSilverBronzeSolves/Attempts
3x3x3 Cube31044080157089.5010.53998825711993105/105
2x2x2 Cube31554087149612.484.04135723732288939/40
4x4x4 Cube255635111424345.1850.34128103128228025/25
5x5x5 Cube34354613171351:53.982:12.88178704930368414/14
6x6x6 Cube33904448144295:51.186:12.6911372332025196/7
3x3x3 One-Handed568377703113029.2739.04343658726638720/20
Clock307337491227313.7414.98103673177260531/32
Megaminx35534859166372:11.052:29.94153984574335811/11
Pyraminx1602205681863.835.8869341729134655/55
Skewb50776470222286.8610.11203595816453335/35
Square-1402250321543839.9651.4014353474938199/9

Sum of Ranks

 Sum of NRNRSum of CRCRSum of WRWR
Single46714220761480287322573610476
Average39124217551360283618634010099
3x3x3 Cube
CompetitionRoundPlaceBestAverageDetail
Pyraminx in Pewaukee 2025Second round21 9.50 11.35
11.20     10.08     9.50      15.80     12.78
First round16 10.13 10.53
12.93     10.13     10.94     10.35     10.30
Great Lakes Championship 2025Second round89 12.24 12.94
14.12     13.24     12.30     12.24     13.27
First round90 10.77 12.67
13.12     12.83     10.77     12.05     13.65
Land of Lincoln 2025Second round17 10.55 11.92
12.73     10.55     13.31     11.89     11.13
First round18 10.52 12.28
11.06     10.52     17.07     12.04     13.75
Racing Kane 2025Second round29 9.79 11.79
10.98     12.93     14.45     9.79      11.47
First round32 11.68 13.07
12.63     14.41     14.90     12.17     11.68
Naperville Winter 2025Second round22 12.22 13.80
12.22     14.35     12.34     17.18     14.70
First round22 11.49 13.12
15.99     11.49     11.74     14.36     13.27
DuPage Fall 2024Semi Final48 12.65 14.97
15.66     14.44     16.30     12.65     14.82
Second round50 13.80 15.49
15.05     16.09     17.48     15.32     13.80
First round42 12.74 13.45
15.79     12.87     12.74     14.24     13.24
Ackerman Spring 2024Second round43 14.08 15.30
15.23     14.08     14.25     16.42     17.46
First round34 13.47 14.53
14.56     13.97     17.95     15.06     13.47
Chicago Area Twist Spring A 2024Final39 14.53 15.95
15.59     17.01     14.53     15.24     17.31
Second round42 13.54 16.08
13.54     14.75     16.50     16.98     20.35
First round37 11.74 14.95
16.87     11.74     13.61     16.52     14.72
Naperville Winter 2024Final21 14.82 17.63
20.70     18.40     16.62     17.87     14.82
Second round18 14.48 14.98
15.04     14.91     14.48     20.46     15.00
First round18 12.22 15.81
12.22     16.52     13.95     16.97     18.74
 
2x2x2 Cube
CompetitionRoundPlaceBestAverageDetail
Great Lakes Championship 2025Second round62 2.48 4.15
2.48      4.31      4.45      5.27      3.68
First round53 3.82 4.04
3.86      3.82      3.94      4.31      4.58
Land of Lincoln 2025First round31 3.36 5.19
4.71      3.36      4.73      6.66      6.14
DuPage Fall 2024Second round37 3.42 4.74
5.48      4.63      4.95      3.42      4.65
First round33 3.99 4.50
5.27      3.99      4.06      4.16      5.86
Chicago Area Twist Spring A 2024First round23 3.71 4.32
3.75      5.12      4.08      3.71      8.31
Naperville Winter 2024Second round28 5.36 6.03
5.67      6.42      5.99      5.36      7.06
First round21 4.21 5.84
DNF       4.21      6.88      4.53      6.11
 
4x4x4 Cube
CompetitionRoundPlaceBestAverageDetail
Pyraminx in Pewaukee 2025Final28 45.18 50.34
1:05.51   56.04     45.18     48.31     46.68
Great Lakes Championship 2025First round89 50.36 56.68
50.36     57.15     53.46     59.44     1:00.39
Land of Lincoln 2025Final30 57.66 1:05.91
57.66     1:17.45   1:02.41   1:07.80   1:07.51
DuPage Fall 2024First round46 56.67 1:09.26
56.67     1:05.49   1:19.45   1:08.02   1:14.27
Ackerman Spring 2024First round48 1:12.15 1:26.67
1:12.15   1:25.89   1:21.46   1:32.65   1:41.00
 
5x5x5 Cube
CompetitionRoundPlaceBestAverageDetail
Great Lakes Championship 2025First round99 1:53.98 
1:53.98   2:17.55
Racing Kane 2025First round43 2:03.40 2:12.88
2:15.72   2:21.95   2:03.40   2:06.76   2:16.15
DuPage Fall 2024First round52 2:25.39 2:31.37
2:30.27   2:25.39   2:39.96   2:30.69   2:33.15
Chicago Area Twist Spring A 2024First round41 2:44.36 
2:44.36   3:21.16
 
6x6x6 Cube
CompetitionRoundPlaceBestAverageDetail
Great Lakes Championship 2025First round95 DNF 
DNF
DuPage Fall 2024Final40 5:51.18 6:12.69
6:07.21   5:51.18   6:39.68
Ackerman Spring 2024Final32 6:47.97 6:58.30
6:47.97   7:06.69   7:00.23
 
7x7x7 Cube
CompetitionRoundPlaceBestAverageDetail
Great Lakes Championship 2025First round83 DNF 
DNF
Naperville Winter 2025First round30 DNF 
DNF
 
3x3x3 One-Handed
CompetitionRoundPlaceBestAverageDetail
Great Lakes Championship 2025Second round117 35.65 40.67
40.77     37.00     48.03     35.65     44.24
First round127 32.59 39.09
40.02     32.59     34.54     42.71     52.01
DuPage Fall 2024First round50 29.27 39.04
43.74     42.47     38.48     29.27     36.18
Naperville Winter 2024First round22 33.81 42.98
33.81     45.39     36.28     47.26     48.28
 
Clock
CompetitionRoundPlaceBestAverageDetail
Pyraminx in Pewaukee 2025First round59 14.66 16.27
14.66     15.43     17.70     17.76     15.69
Great Lakes Championship 2025Second round101 13.87 17.01
19.07     16.68     17.11     13.87     17.24
First round98 13.74 14.98
14.22     16.81     13.74     13.91     19.04
Land of Lincoln 2025Final39 16.00 19.46
23.66     16.23     22.86     16.00     19.28
Racing Kane 2025First round47 18.16 20.01
18.81     20.62     20.60     18.16     21.20
DuPage Fall 2024First round53 17.68 22.64
DNF       17.68     24.48     18.87     24.56
Chicago Area Twist Spring A 2024First round52 26.20 
26.20     36.82
 
Megaminx
CompetitionRoundPlaceBestAverageDetail
Great Lakes Championship 2025First round110 2:11.05 
2:45.98   2:11.05
Racing Kane 2025Final41 2:16.94 2:29.94
2:48.87   2:30.66   2:29.81   2:29.34   2:16.94
Naperville Winter 2025First round30 2:50.71 
3:18.77   2:50.71
DuPage Fall 2024First round46 3:11.72 
3:11.72   3:22.08
 
Pyraminx
CompetitionRoundPlaceBestAverageDetail
Pyraminx in Pewaukee 2025Semi Final47 6.11 8.02
12.01     6.76      8.96      8.35      6.11
Second round48 3.83 7.67
9.63      8.78      5.34      3.83      8.89
First round36 4.45 6.54
4.49      4.45      8.10      7.02      8.80
Great Lakes Championship 2025Second round67 5.63 7.31
7.84      7.40      6.93      5.63      7.60
First round50 4.35 5.88
4.35      7.31      4.97      5.92      6.76
Land of Lincoln 2025First round19 6.03 7.32
7.30      6.82      7.84      9.02      6.03
Racing Kane 2025First round35 4.59 8.90
9.05      8.56      4.59      10.14     9.10
Naperville Winter 2025First round20 5.41 6.92
5.41      6.62      7.87      6.26      8.54
DuPage Fall 2024Second round35 6.21 8.42
9.23      6.21      9.01      8.19      8.06
First round38 5.84 8.17
9.11      9.92      6.06      9.34      5.84
Naperville Winter 2024First round15 7.24 8.67
8.92      7.24      9.52      7.56      10.85
 
Skewb
CompetitionRoundPlaceBestAverageDetail
Pyraminx in Pewaukee 2025First round56 9.59 11.91
13.27     11.96     15.19     10.51     9.59
Great Lakes Championship 2025Second round94 9.28 10.11
9.83      10.16     9.28      10.35     13.48
First round111 6.86 10.86
9.63      18.09     10.83     12.13     6.86
Land of Lincoln 2025First round38 9.47 12.02
13.59     9.47      15.78     10.98     11.48
DuPage Fall 2024First round47 8.79 10.73
10.75     11.83     18.29     9.61      8.79
Ackerman Spring 2024First round48 13.05 13.75
14.18     13.77     16.48     13.05     13.29
Naperville Winter 2024First round15 10.44 12.26
10.44     14.23     18.09     11.03     11.53
 
Square-1
CompetitionRoundPlaceBestAverageDetail
Great Lakes Championship 2025First round90 39.96 
1:04.39   39.96
Naperville Winter 2025First round28 55.82 
55.82     1:07.33
DuPage Fall 2024First round36 43.91 51.40
50.91     43.91     50.66     52.62     56.10
Pyraminx in Pewaukee 2025
EventRoundPlaceBestAverageDetail
3x3x3 CubeSecond round21 9.50 11.35
11.20     10.08     9.50      15.80     12.78
First round16 10.13 10.53
12.93     10.13     10.94     10.35     10.30
4x4x4 CubeFinal28 45.18 50.34
1:05.51   56.04     45.18     48.31     46.68
ClockFirst round59 14.66 16.27
14.66     15.43     17.70     17.76     15.69
PyraminxSemi Final47 6.11 8.02
12.01     6.76      8.96      8.35      6.11
Second round48 3.83 7.67
9.63      8.78      5.34      3.83      8.89
First round36 4.45 6.54
4.49      4.45      8.10      7.02      8.80
SkewbFirst round56 9.59 11.91
13.27     11.96     15.19     10.51     9.59
 
Great Lakes Championship 2025
EventRoundPlaceBestAverageDetail
3x3x3 CubeSecond round89 12.24 12.94
14.12     13.24     12.30     12.24     13.27
First round90 10.77 12.67
13.12     12.83     10.77     12.05     13.65
2x2x2 CubeSecond round62 2.48 4.15
2.48      4.31      4.45      5.27      3.68
First round53 3.82 4.04
3.86      3.82      3.94      4.31      4.58
4x4x4 CubeFirst round89 50.36 56.68
50.36     57.15     53.46     59.44     1:00.39
5x5x5 CubeFirst round99 1:53.98 
1:53.98   2:17.55
6x6x6 CubeFirst round95 DNF 
DNF
7x7x7 CubeFirst round83 DNF 
DNF
3x3x3 One-HandedSecond round117 35.65 40.67
40.77     37.00     48.03     35.65     44.24
First round127 32.59 39.09
40.02     32.59     34.54     42.71     52.01
ClockSecond round101 13.87 17.01
19.07     16.68     17.11     13.87     17.24
First round98 13.74 14.98
14.22     16.81     13.74     13.91     19.04
MegaminxFirst round110 2:11.05 
2:45.98   2:11.05
PyraminxSecond round67 5.63 7.31
7.84      7.40      6.93      5.63      7.60
First round50 4.35 5.88
4.35      7.31      4.97      5.92      6.76
SkewbSecond round94 9.28 10.11
9.83      10.16     9.28      10.35     13.48
First round111 6.86 10.86
9.63      18.09     10.83     12.13     6.86
Square-1First round90 39.96 
1:04.39   39.96
 
Land of Lincoln 2025
EventRoundPlaceBestAverageDetail
3x3x3 CubeSecond round17 10.55 11.92
12.73     10.55     13.31     11.89     11.13
First round18 10.52 12.28
11.06     10.52     17.07     12.04     13.75
2x2x2 CubeFirst round31 3.36 5.19
4.71      3.36      4.73      6.66      6.14
4x4x4 CubeFinal30 57.66 1:05.91
57.66     1:17.45   1:02.41   1:07.80   1:07.51
ClockFinal39 16.00 19.46
23.66     16.23     22.86     16.00     19.28
PyraminxFirst round19 6.03 7.32
7.30      6.82      7.84      9.02      6.03
SkewbFirst round38 9.47 12.02
13.59     9.47      15.78     10.98     11.48
 
Racing Kane 2025
EventRoundPlaceBestAverageDetail
3x3x3 CubeSecond round29 9.79 11.79
10.98     12.93     14.45     9.79      11.47
First round32 11.68 13.07
12.63     14.41     14.90     12.17     11.68
5x5x5 CubeFirst round43 2:03.40 2:12.88
2:15.72   2:21.95   2:03.40   2:06.76   2:16.15
ClockFirst round47 18.16 20.01
18.81     20.62     20.60     18.16     21.20
MegaminxFinal41 2:16.94 2:29.94
2:48.87   2:30.66   2:29.81   2:29.34   2:16.94
PyraminxFirst round35 4.59 8.90
9.05      8.56      4.59      10.14     9.10
 
Naperville Winter 2025
EventRoundPlaceBestAverageDetail
3x3x3 CubeSecond round22 12.22 13.80
12.22     14.35     12.34     17.18     14.70
First round22 11.49 13.12
15.99     11.49     11.74     14.36     13.27
7x7x7 CubeFirst round30 DNF 
DNF
MegaminxFirst round30 2:50.71 
3:18.77   2:50.71
PyraminxFirst round20 5.41 6.92
5.41      6.62      7.87      6.26      8.54
Square-1First round28 55.82 
55.82     1:07.33
 
DuPage Fall 2024
EventRoundPlaceBestAverageDetail
3x3x3 CubeSemi Final48 12.65 14.97
15.66     14.44     16.30     12.65     14.82
Second round50 13.80 15.49
15.05     16.09     17.48     15.32     13.80
First round42 12.74 13.45
15.79     12.87     12.74     14.24     13.24
2x2x2 CubeSecond round37 3.42 4.74
5.48      4.63      4.95      3.42      4.65
First round33 3.99 4.50
5.27      3.99      4.06      4.16      5.86
4x4x4 CubeFirst round46 56.67 1:09.26
56.67     1:05.49   1:19.45   1:08.02   1:14.27
5x5x5 CubeFirst round52 2:25.39 2:31.37
2:30.27   2:25.39   2:39.96   2:30.69   2:33.15
6x6x6 CubeFinal40 5:51.18 6:12.69
6:07.21   5:51.18   6:39.68
3x3x3 One-HandedFirst round50 29.27 39.04
43.74     42.47     38.48     29.27     36.18
ClockFirst round53 17.68 22.64
DNF       17.68     24.48     18.87     24.56
MegaminxFirst round46 3:11.72 
3:11.72   3:22.08
PyraminxSecond round35 6.21 8.42
9.23      6.21      9.01      8.19      8.06
First round38 5.84 8.17
9.11      9.92      6.06      9.34      5.84
SkewbFirst round47 8.79 10.73
10.75     11.83     18.29     9.61      8.79
Square-1First round36 43.91 51.40
50.91     43.91     50.66     52.62     56.10
 
Ackerman Spring 2024
EventRoundPlaceBestAverageDetail
3x3x3 CubeSecond round43 14.08 15.30
15.23     14.08     14.25     16.42     17.46
First round34 13.47 14.53
14.56     13.97     17.95     15.06     13.47
4x4x4 CubeFirst round48 1:12.15 1:26.67
1:12.15   1:25.89   1:21.46   1:32.65   1:41.00
6x6x6 CubeFinal32 6:47.97 6:58.30
6:47.97   7:06.69   7:00.23
SkewbFirst round48 13.05 13.75
14.18     13.77     16.48     13.05     13.29
 
Chicago Area Twist Spring A 2024
EventRoundPlaceBestAverageDetail
3x3x3 CubeFinal39 14.53 15.95
15.59     17.01     14.53     15.24     17.31
Second round42 13.54 16.08
13.54     14.75     16.50     16.98     20.35
First round37 11.74 14.95
16.87     11.74     13.61     16.52     14.72
2x2x2 CubeFirst round23 3.71 4.32
3.75      5.12      4.08      3.71      8.31
5x5x5 CubeFirst round41 2:44.36 
2:44.36   3:21.16
ClockFirst round52 26.20 
26.20     36.82
 
Naperville Winter 2024
EventRoundPlaceBestAverageDetail
3x3x3 CubeFinal21 14.82 17.63
20.70     18.40     16.62     17.87     14.82
Second round18 14.48 14.98
15.04     14.91     14.48     20.46     15.00
First round18 12.22 15.81
12.22     16.52     13.95     16.97     18.74
2x2x2 CubeSecond round28 5.36 6.03
5.67      6.42      5.99      5.36      7.06
First round21 4.21 5.84
DNF       4.21      6.88      4.53      6.11
3x3x3 One-HandedFirst round22 33.81 42.98
33.81     45.39     36.28     47.26     48.28
PyraminxFirst round15 7.24 8.67
8.92      7.24      9.52      7.56      10.85
SkewbFirst round15 10.44 12.26
10.44     14.23     18.09     11.03     11.53
No.DateNameRegionCity
92025-11-08Pyraminx in Pewaukee 2025United StatesPewaukee, Wisconsin
82025-08-01~03Great Lakes Championship 2025United StatesNormal, Illinois
72025-06-21Land of Lincoln 2025United StatesSpringfield, Illinois
62025-03-01Racing Kane 2025United StatesElgin, Illinois
52025-02-01Naperville Winter 2025United StatesNaperville, Illinois
42024-09-28~29DuPage Fall 2024United StatesGlen Ellyn, Illinois
32024-06-15Ackerman Spring 2024United StatesGlen Ellyn, Illinois
22024-05-18Chicago Area Twist Spring A 2024United StatesGlen Ellyn, Illinois
12024-03-16Naperville Winter 2024United StatesNaperville, Illinois