Ilkyoo Choi (최일규)

Region
WCA ID
Gender
Competitions
Completed Solves
Republic of Korea 2008CHOI04 Male 125 2957

Current Personal Records

Event NR CR WR Single Average WR CR NR
3x3x3 Cube 468 8324 22899 10.79 14.65 33803 12706 689
2x2x2 Cube 170 3059 12273 2.41 4.79 22376 6510 390
4x4x4 Cube 390 6789 19444 52.30 1:02.03 21056 7320 426
5x5x5 Cube 283 4620 14553 1:49.56 1:55.14 12924 4144 260
6x6x6 Cube 193 2549 9080 3:52.22 4:25.97 8958 2515 198
7x7x7 Cube 162 2335 8136 6:10.14 7:16.16 7545 2203 174
3x3x3 Fewest Moves 47 677 2754 34 37.33 1758 433 31
3x3x3 One-Handed 537 11855 33022 32.19 44.02 36552 12908 583
Clock 150 1847 7797 11.40 13.49 7434 1733 150
Megaminx 274 4108 16240 2:18.95 2:29.45 13908 3591 260
Pyraminx 411 10003 37500 7.70 11.46 37822 10357 431
Skewb 213 4323 16851 6.18 12.07 25595 6650 350
Square-1 165 2200 9779 28.01 42.14 11018 2470 186

Medal Collection

Gold Silver Bronze
4 5 5

Record Collection

WR CR NR
8
3x3x3 Cube
Korea Newcomers AM 2025 First round 67 17.67 18.88 18.8824.0819.9117.8417.67
Happy Suseong 2025 First round 124 14.28 16.83 17.5116.7214.2816.2617.89
WonderLand Education West Lafayette Fall 2024 Second round 30 15.63 16.47 16.1915.6315.7917.7917.42
First round 33 17.45 19.12 18.7421.2320.8017.8317.45
DuPage Fall 2024 Second round 65 16.15 18.34 19.2616.1518.8819.2216.93
First round 55 14.76 16.19 16.6618.5915.2614.7616.66
Land of Lincoln 2024 Second round 40 13.94 17.13 18.8613.9414.6418.1618.58
First round 44 16.38 18.85 18.4216.8916.3821.2427.68
Chicago Area Twist Spring A 2024 Second round 47 16.12 16.89 16.2816.1516.1222.4018.24
First round 43 11.20 16.76 13.4421.0411.2017.6019.24
Solar Eclipse in Sycamore 2024 Second round 51 17.85 18.29 20.5718.5918.3617.8517.93
First round 54 14.97 18.17 19.4819.0719.5215.9614.97
UIUC Big Cubes Spring 2024 First round 42 16.32 17.78 17.7918.9117.8316.3217.71
Little Giant Open 2024 First round 33 16.45 17.68 16.7717.7218.5420.0916.45
DuPage Winter 2024 Second round 48 15.63 16.88 17.8215.6316.5819.9316.23
First round 57 17.60 19.01 22.9819.6219.1617.6018.25
Seoul Open 2024 Second round 128 14.28 17.66 17.5120.2718.9716.5014.28
First round 122 14.99 17.58 23.4414.9917.6516.7818.30
Korean Championship 2023 First round 116 15.31 18.00 18.4515.3119.5116.0521.01
Hamchang Open 2023 First round 70 16.73 19.38 16.7323.2018.2719.8020.07
Suncheon Fall 2023 Second round 79 16.83 18.57 17.9518.0719.6820.5316.83
First round 81 17.02 18.62 17.0217.7219.2918.8623.21
Rubik's WCA World Championship 2023 First round 886 14.74 18.10 20.6618.5818.8314.7416.90
Seoul Spring 2023 First round 90 13.36 15.35 15.3216.6714.0516.6913.36
Daegu Hot Spring 2023 First round 94 15.75 17.41 17.4016.2823.9018.5615.75
KAIST Fall 2022 First round 72 15.72 16.82 16.2516.9633.8517.2415.72
Cubing SimCheong Open 2022 Second round 52 16.07 17.81 18.4616.0716.3920.6518.59
First round 58 14.53 19.88 19.0721.1214.5319.9220.66
Daegu Hot Autumn 2022 First round 59 16.36 18.34 16.3617.9923.8518.8418.18
Korean Championship 2022 First round 108 16.44 17.95 16.7516.4417.6519.4423.35
Seoul Summer 2022 First round 112 15.74 17.92 19.2516.9219.6915.7417.58
Korean Spring 2022 First round 53 13.55 16.12 13.5514.8834.4518.0115.47
Korean Championship Mini 2021 First round 54 16.07 18.32 20.0618.4916.0716.8719.61
ByeolLae Open 2020 First round 39 15.22 17.15 18.8416.5515.2217.7417.17
Cubing Korea 2019 First round 77 13.86 18.72 16.6615.8329.3723.6613.86
Daegu Autumn Open 2019 First round 33 13.80 17.08 19.8813.8017.8017.9215.51
Korean Championship 2019 First round 84 13.49 17.90 17.8613.4917.6019.0918.25
Cube Camp in Wonju 2019 First round 41 16.93 17.31 16.9317.0416.9718.6617.93
WCA World Championship 2019 First round 444 11.11 14.88 11.1114.2514.4115.9918.75
Cubing Operating System Summer 2019 First round 32 15.85 17.59 15.85DNF18.2816.3518.13
Play Cube X4 2019 Second round 50 14.54 19.09 21.5917.2814.5431.4018.40
First round 46 12.94 16.38 12.9413.3119.2416.5819.76
Cutory Blossom 2019 First round 43 14.95 17.36 17.3817.3520.8214.9517.36
Seoul Winter 2019 First round 61 14.90 17.82 17.6719.3119.6316.4914.90
Korea Winter 2019 First round 49 14.16 15.07 17.3614.1614.2415.3815.59
Busan Winter 2018 First round 45 14.25 16.49 17.6116.2523.5015.6014.25
Cutory Autumn Open 2018 First round 51 14.97 17.95 17.6419.6017.0319.1914.97
CWR Fall 2018 First round 32 15.38 17.27 17.1217.9116.7715.3821.02
WCA Asian Championship 2018 First round 247 12.84 16.81 15.9412.8419.7517.2817.22
Korean Championship 2018 First round 93 14.85 17.40 16.0918.1714.8517.9327.18
CWR Winter 2018 First round 70 17.16 22.40 17.1627.8422.0117.34DNF
Cubedu Korea 2018 Second round 78 15.28 18.96 15.2816.9417.6122.3326.00
First round 74 16.94 17.96 16.9417.0619.0019.1117.82
Korean CWR Style 2017 First round 42 13.96 16.54 18.1413.9615.5521.9115.94
Jeju Open 2017 Final 15 15.26 16.82 17.5715.2616.1416.7618.05
First round 15 14.86 16.88 15.4619.1214.8616.7818.40
CWR Fall 2017 First round 64 16.44 18.16 19.5124.1916.4418.0216.94
Korean Championship 2017 First round 78 13.31 16.95 17.0319.1517.4513.3116.37
World Rubik's Cube Championship 2017 First round 521 13.72 15.48 13.7217.2916.2214.7015.51
Play Cube 2017 First round 40 16.61 17.14 17.8417.2516.6117.1817.00
Korean Spring Picnic 2017 First round 26 17.74 19.05 18.4317.7419.0621.3719.65
KAIST Spring 2017 Second round 30 16.53 17.69 16.5316.9618.5017.6221.25
First round 33 16.21 17.95 16.2120.2917.6518.0918.10
3x3x3 HanMaDang 2017 First round 59 16.49 18.07 18.2218.1117.8816.4919.12
Busan Winter 2016 First round 36 15.62 17.21 17.9219.1916.6417.0815.62
Asian Championship 2016 Second round 286 14.94 16.54 15.5220.6314.9416.2117.88
First round 357 15.94 17.49 16.7715.9418.5617.1420.17
Korean Championship 2016 First round 104 15.93 20.48 19.5915.9322.1421.4220.42
US Nationals 2016 First round 290 14.50 17.89 18.5114.5018.0417.1320.97
Cube Is Good 2016 First round 64 17.07 18.38 19.3417.0717.4619.4318.33
Jeonju Spring 2016 Second round 42 14.53 18.32 14.5318.9318.8117.2121.57
First round 49 15.70 19.06 15.7018.6416.8123.4721.72
Valentine in Daegu 2016 Second round 25 16.44 17.95 31.1217.5119.3317.0216.44
First round 24 12.27 17.45 16.0312.2718.2518.0721.21
Korea Winter 2015 Second round 61 15.36 17.65 17.9617.4717.5220.6315.36
First round 65 15.25 18.59 15.2516.9621.1120.2218.59
Ugine Jeu et Jouet 2015 Second round 9 14.86 16.22 15.5816.7314.8616.3517.12
First round 9 16.48 18.02 17.6617.4616.4819.2818.93
Korean KAIST Style 2015 Second round 40 15.44 17.04 15.9617.8915.4417.3417.82
First round 28 13.81 15.56 16.7514.9314.9925.6113.81
World Rubik's Cube Championship 2015 First round 164 14.95 17.35 20.9416.2915.5420.2114.95
Good Cube Show Korea 2015 Second round 36 15.70 19.44 20.0015.7021.0822.4517.25
First round 49 19.01 20.43 DNF19.8420.8519.0120.61
Spring Comes 2015 Final 22 14.18 16.76 15.7718.8117.5814.1816.92
First round 20 14.21 16.91 14.8714.2118.2717.8418.01
Winter Cube Anniversary 2015 First round 26 15.55 23.77 18.7315.5532.0831.5721.01
Happy Sheep Year 2015 Second round 21 14.34 16.54 17.9617.2816.3414.3416.01
First round 33 16.33 19.98 DNF22.4919.9117.5316.33
KAIST Fall 2014 Second round 28 13.29 17.74 16.8618.3717.9920.3613.29
First round 26 15.08 16.81 25.0815.0815.8217.4117.21
Korean Christmas Cup 2014 First round 33 16.27 16.79 18.6917.6416.4616.2716.27
Asian Championship 2014 First round 81 14.59 16.90 14.5916.8816.2719.2717.56
Thanks Cubing Day 2014 Second round 50 15.97 DNF 21.43DNF15.9724.29DNS
First round 29 14.77 16.08 14.7718.5916.0917.2614.89
Busan Summer 2014 Final 13 10.79 15.29 14.4616.3710.7919.4615.05
First round 16 15.55 16.59 15.5517.2615.8716.6319.41
Nottingham Open 2014 First round 36 12.19 18.13 12.1919.8020.0915.0819.50
Grenoble Winter Open 2014 Second round 10 14.77 15.82 15.0014.7719.3016.4116.05
First round 9 15.22 17.16 15.2218.7516.3016.4319.46
Valencia Open 2014 Final 7 15.43 17.34 DNF15.4316.2717.0018.75
Second round 8 15.97 16.44 15.9716.9316.1517.4716.25
First round 9 14.36 17.71 19.6118.5817.9016.6514.36
Frankfurt Cube Days 2014 Final 26 15.08 17.14 DNF17.8918.1315.4015.08
Second round 30 14.44 16.76 17.0217.4120.8015.8414.44
First round 28 15.23 16.90 16.6317.4616.6120.7115.23
Korea New Year 2014 First round 43 13.07 17.80 17.4419.2913.0722.5416.66
Korean Winter 2013 First round 43 15.47 17.30 17.1015.7415.4719.7319.07
UIUC Fall 2013 Second round 17 13.36 17.09 21.5818.2716.9316.0813.36
First round 21 17.02 19.41 DNF17.0217.1520.1120.96
Hillsdale Fall 2013 Second round 20 13.88 19.38 18.6213.8822.6516.8730.14
First round 16 15.42 17.25 16.4219.1416.1820.2315.42
Leaf Town 2013 Second round 14 16.31 18.20 17.8916.3119.4418.1218.59
First round 16 16.21 18.59 18.6817.7116.2123.7519.38
Battle of Waterloo 2013 Second round 19 15.15 17.38 15.1915.1518.4418.5318.52
First round 18 11.80 15.40 16.8314.6815.4716.0611.80
Indiana 2013 Final 22 11.91 16.14 14.5911.9116.5619.0217.27
First round 23 14.21 16.38 14.2116.2917.5215.3319.38
World Rubik's Cube Championship 2013 First round 310 15.26 19.31 21.6921.7015.2618.7417.50
Dixon Summer 2013 Second round 16 16.09 17.43 17.1518.2716.0917.0518.08
First round 12 15.68 16.96 15.6815.7818.1918.1117.00
UIUC Spring 2013 Final 9 16.06 17.03 16.1121.1516.7818.1916.06
Second round 11 13.58 17.89 13.5822.0520.1514.2719.25
First round 9 15.00 17.69 19.5517.5018.0315.0017.55
Hillsdale Winter 2013 Final 7 15.46 16.21 15.5916.4616.5817.2515.46
Second round 8 14.83 15.99 14.8316.0316.4616.5215.47
First round 12 16.31 17.46 18.2717.56DNF16.3116.56
Dixon Winter 2013 Final 13 13.83 17.91 18.5818.5517.2513.8317.93
Second round 12 12.40 16.54 15.7212.4015.5018.4033.66
First round 13 17.22 18.27 17.2218.1617.8419.8818.80
Korean Style 2013 Second round 37 16.33 19.50 16.3317.4421.2519.8026.27
First round 28 13.94 15.69 16.9619.4315.3413.9414.77
Carnegie Mellon Fall 2012 Final 7 15.31 17.06 15.4654.8615.3116.7818.94
Second round 3 13.44 14.65 13.4418.5813.4414.2216.28
First round 7 15.46 17.29 17.7819.1518.3615.4615.72
Indiana 2012 First round 29 15.52 18.86 58.1317.1615.5219.1920.22
Dayton Fall 2012 Final 9 15.31 19.44 22.2717.8356.4418.2215.31
Second round 8 13.71 16.86 14.9419.7718.9413.7116.71
First round 7 14.55 16.92 16.9714.5514.6122.0019.18
UIUC Fall 2012 Final 5 15.16 16.82 17.8115.1621.8316.2816.38
Second round 8 15.03 17.39 15.0322.8318.0917.2816.81
First round 3 12.78 15.98 14.3615.8820.6517.7112.78
Chiclayo Open 2012 Final 3 14.84 16.39 16.3016.2016.7514.8416.67
Second round 4 15.32 15.70 18.0715.5015.3215.3316.26
First round 6 16.08 17.35 18.0216.0816.24DNF17.78
United States National Championships 2012 First round 138 15.12 18.69 19.4015.1219.3817.3020.06
New Albany 2012 Final 7 13.84 15.29 14.0918.1114.8116.9613.84
Second round 9 15.47 17.03 19.4715.8316.1915.4719.08
First round 11 13.75 16.55 20.5015.9115.6513.7518.08
Hillsdale Winter 2012 Final 9 13.97 17.54 21.0017.6919.4613.9715.46
Second round 10 15.36 17.05 15.3616.5015.7120.9718.94
First round 9 16.34 17.30 16.3417.8316.7817.2820.55
Cubing Korea January 2012 Second round 23 15.58 17.36 17.8316.5317.7218.0915.58
First round 24 16.28 18.47 18.9418.4018.0819.7516.28
Cubing Korea New Years 2012 Final 26 14.23 17.06 18.2314.2316.8120.5416.15
First round 28 15.06 19.71 18.9325.0615.1534.0015.06
Cubing Korea December 2011 First round 14 16.00 18.12 17.5520.6316.19DNF16.00
Cubing Korea Xmas Eve 2011 First round 28 15.31 19.13 17.97DNF20.6618.7515.31
Ohio Fall 2011 Final 11 16.30 19.03 18.9719.4720.1318.6516.30
Second round 9 14.75 16.73 15.5018.7517.6914.7517.00
First round 12 18.78 19.46 18.9119.0918.7821.5620.38
Indiana 2011 Final 17 14.91 17.25 14.9118.1917.3016.25DNF
First round 17 14.44 16.68 14.4417.0619.4417.8315.15
United States National Championships 2011 First round 156 18.47 27.77 38.9620.9418.4723.4040.58
UIUC Spring 2011 Final 11 17.93 21.07 24.2117.9318.1922.4322.59
Second round 11 17.13 19.01 17.6621.3319.5617.1319.80
First round 16 15.52 20.17 18.0322.0220.4715.5225.56
Carnegie Mellon Spring 2010 Second round 13 18.50 22.82 25.0523.6823.9420.8418.50
First round 11 17.31 22.09 25.0820.0917.31DNF21.11
Carnegie Mellon Fall 2009 Final 13 16.38 18.76 22.3317.7518.6116.3819.93
First round 15 17.16 19.35 18.8317.1623.3020.3818.83
Captain's Cove competition 2009 Second round 9 18.80 19.89 19.5618.8019.7120.4021.77
First round 10 18.11 20.98 18.1120.8119.02DNF23.11
Carnegie Mellon Spring 2009 Final 7 17.00 20.99 17.0025.1819.2526.9618.55
First round 11 19.31 26.32 28.0225.0519.31DNF25.90
Carnegie Mellon Fall 2008 Final 4 17.43 18.86 17.4321.32DNF17.6217.63
Second round 6 17.11 20.52 18.0920.8117.1122.6623.83
First round 4 18.02 19.28 18.0220.2819.6818.9419.21
Newark Open 2008 Second round 13 18.09 20.03 18.1121.0918.0920.9021.34
First round 17 18.11 20.68 19.5524.5523.1819.3118.11

History of National Records

Single Average Competition Round Solves
Clock
16.19 Cubing Korea Xmas Eve 2011 Final 15.2714.2719.6514.9318.36
12.41 16.38 Ohio Fall 2011 Final 15.6812.4117.4716.3817.09
Skewb
13.96 19.64 Frankfurt Cube Days 2014 First round 27.6122.9613.9621.1914.77
Magic
1.86 2.02 Captain's Cove competition 2009 Final 2.022.362.081.861.97
2.62 Carnegie Mellon Fall 2008 Final 2.164.172.882.522.46
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