Yul-Hok Sung (성열학)

Region WCA ID Gender Competitions Completed Solves
Republic of Korea 2007YULH01 Male 46 820

Current Personal Records

Event NR CR WR Single Average WR CR NR
3x3x3 Cube 1671 32315 90680 19.03 21.29 80119 29102 1521
2x2x2 Cube 1033 19872 67633 5.21 8.88 87306 26140 1315
4x4x4 Cube 645 11083 33766 1:09.79 1:25.88 35390 11199 712
5x5x5 Cube 440 6808 23401 2:31.55 2:42.26 19896 5884 414
6x6x6 Cube 236 3174 12251 5:10.43 5:48.32 10154 2803 231
7x7x7 Cube 206 2786 10482 8:02.95 8:15.51 7892 2301 192
3x3x3 Fewest Moves 116 2056 7604 47 50.67 4362 1210 62
3x3x3 One-Handed 690 15882 46591 45.56 1:09.33 46974 15665 688
Clock 149 1845 7742 11.34 13.38 7326 1712 146
Megaminx 318 4665 19286 2:40.02 3:05.40 15890 4018 314
Pyraminx 683 17572 66248 10.78 12.32 44510 12204 504
Skewb 429 8368 34021 9.84 16.31 38509 9492 496
Square-1 282 3897 18318 1:00.65 1:20.39 15596 3458 263
Competition Round Place Single Average Solves
3x3x3 Cube
Korea Newcomers PM 2025 First round 103 21.08 24.41 33.6526.9323.6121.0822.68
Anyang Haseyo 2025 First round 124 22.11 23.77 23.8624.5923.2724.1922.11
Seoul Winter 2024 First round 158 21.40 22.77 23.0125.9022.5122.7921.40
Brown Fall Seongnam 2024 First round 81 19.03 21.29 22.0522.7521.6620.1619.03
Korean Championship 2024 First round 194 21.39 23.87 23.0729.2124.1324.4021.39
Ansan Summer 2024 First round 85 22.06 24.96 24.3222.0627.6725.8224.75
Prime Cubing Day Seoul 2024 First round 118 21.22 23.72 21.2223.8923.7823.4939.24
Anyang Haseyo 2024 First round 122 20.30 26.58 27.3420.3024.2128.2029.25
Daegu Cold Winter 2024 First round 143 24.55 26.68 24.5535.2326.6027.7925.66
Seoul Open 2024 First round 176 20.74 24.10 20.7425.4824.0028.4922.81
Hamchang Open 2023 First round 77 22.26 22.94 29.3022.5423.2422.2623.05
Suncheon Fall 2023 Second round 112 21.18 24.65 24.4127.3526.3023.2521.18
First round 107 22.27 24.44 36.9922.2724.8424.2524.24
Rubik's WCA World Championship 2023 First round 1048 25.46 28.87 25.4639.6429.3128.9128.40
Seoul Spring 2023 First round 167 23.40 25.75 26.2726.5326.0524.9223.40
Daegu Hot Spring 2023 First round 178 21.70 31.79 32.7632.6621.7039.4929.96
KAIST Fall 2022 First round 98 24.90 28.82 25.7030.4424.9030.3330.81
Daegu Hot Autumn 2022 First round 81 22.09 25.40 22.0926.5727.6027.5022.13
Korean Championship 2022 First round 128 20.98 26.90 43.2030.5520.9826.1623.98
Seoul Summer 2022 First round 173 23.85 28.43 27.8230.4727.0123.8531.49
Korean Spring 2022 First round 74 23.56 28.52 31.9723.5628.3632.2325.24
ByeolLae Open 2020 First round 62 29.86 33.01 36.5338.5129.8630.8831.63
Cubing Korea 2019 First round 101 28.66 34.28 33.2133.5528.661:17.4036.09
Daegu Autumn Open 2019 First round 56 30.35 38.74 30.3535.4043.8236.9943.83
Korean Championship 2019 First round 131 31.91 48.75 44.251:03.6138.4031.91DNF
Cube Camp in Wonju 2019 First round 61 31.95 37.33 39.0734.8631.9538.4938.65
Cubing Operating System Summer 2019 First round 55 34.00 41.46 39.2844.4334.0041.2443.86
Play Cube X4 2019 First round 71 29.30 32.19 29.3834.3232.8629.3055.79
Cutory Blossom 2019 First round 64 34.47 40.59 39.1734.4751.0335.1247.48
Seoul Winter 2019 First round 84 34.73 46.49 49.5948.4141.4834.731:10.31
Korean Championship 2011 First round 40 43.38 46.56 44.5244.8051.6650.3643.38
KCA Korea Open 2008 First round 109 55.81 58.2255.81
KCRC Busan competition 2007 First round 59 44.67 59.85 1:07.5955.5956.381:53.3744.67
KCRC Championship 2007 First round 65 1:00.81 1:31.771:00.81
2x2x2 Cube
Korea Newcomers PM 2025 Final 90 7.52 8.88 9.647.528.458.5610.66
Seoul Winter 2024 First round 141 6.68 9.63 6.688.7410.0510.1010.82
Daegu Autumn 2024 First round 111 7.95 9.62 15.459.597.959.0010.27
Brown Fall Seongnam 2024 First round 71 7.65 9.44 7.9513.5311.307.659.07
Korean Championship 2024 First round 169 5.79 8.88 10.337.435.798.8917.89
Prime Cubing Day Seoul 2024 First round 112 8.33 10.53 13.7012.638.378.3310.59
Daegu Cold Winter 2024 First round 123 8.77 12.61 17.568.779.6810.59DNF
Ansan Autumn 2023 First round 89 8.33 10.05 10.5010.0312.349.618.33
Rubik's WCA World Championship 2023 First round 690 8.72 9.50 8.728.899.5314.0810.08
Seoul Spring 2023 Final 158 7.25 13.58 DNF7.2515.798.0016.94
Daegu Hot Spring 2023 Final 136 5.21 10.68 11.709.2511.3611.435.21
Cubing SimCheong Open 2022 First round 56 9.15 12.01 9.7412.1221.4414.189.15
Daegu Hot Autumn 2022 Final 74 5.26 10.29 11.985.2614.878.989.90
Korean Championship 2022 First round 98 8.97 12.13 8.979.7211.4015.2821.45
Seoul Summer 2022 Final 114 6.91 10.77 10.3810.8513.896.9111.08
ByeolLae Open 2020 Final 51 8.12 10.49 11.7110.288.129.4713.63
Daegu Autumn Open 2019 Final 42 11.31 13.62 13.3614.8915.7811.3112.60
Korean Championship 2019 First round 81 6.04 10.00 10.7011.156.0413.968.15
Cube Camp in Wonju 2019 Final 37 10.30 11.30 10.6010.3024.9111.0212.28
Play Cube X4 2019 First round 44 7.16 11.41 12.9212.0810.297.1611.85
Cutory Blossom 2019 Final 46 6.88 12.13 6.8824.0710.7714.2211.41
Seoul Winter 2019 First round 62 9.64 14.49 14.7426.099.6417.3111.43
Korean Championship 2011 First round 31 10.63 16.73 11.7217.9625.9410.6320.52
KCA Korea Open 2008 First round 51 18.15 18.1523.05
KCRC Busan competition 2007 First round 28 15.71 20.77 24.4621.4616.3815.7150.93
KCRC Championship 2007 First round 31 23.18 DNF23.18
4x4x4 Cube
Anyang Haseyo 2025 First round 85 1:15.20 1:28.22 1:45.641:26.221:27.411:31.021:15.20
Seoul Winter 2024 First round 132 1:40.80 1:40.80DNF
Daegu Autumn 2024 First round 82 1:09.79 1:44.83 1:46.451:09.791:45.391:45.531:43.58
Seoul Open 2024 First round 131 1:24.87 1:55.44 1:43.161:24.872:12.502:09.081:54.09
Korean Championship 2023 First round 86 1:16.42 1:25.88 1:16.421:26.861:25.621:30.561:25.15
Hamchang Open 2023 First round 60 1:33.08 1:43.78 1:37.371:48.301:33.081:55.271:45.67
Daegu Hot Spring 2023 First round 80 1:35.87 1:47.23 1:48.731:55.161:35.871:59.591:37.79
KAIST Fall 2022 First round 74 1:32.59 1:43.63 1:33.381:32.591:55.421:42.102:07.51
Korean Championship 2022 First round 91 1:30.41 DNF DNF1:30.411:47.981:34.13DNF
Seoul Summer 2022 Final 82 1:42.42 1:56.53 1:51.741:42.421:59.221:58.641:59.57
Korean Spring 2022 Final 53 1:35.03 1:56.64 2:04.402:11.471:53.471:52.061:35.03
Cubing Korea 2019 Final 63 1:40.32 1:53.25 2:06.442:20.351:51.501:40.321:41.81
Daegu Autumn Open 2019 Final 35 1:38.92 1:53.28 1:56.191:52.251:59.341:38.921:51.39
Korean Championship 2019 First round 81 1:43.27 1:58.07 2:15.121:55.211:57.022:01.971:43.27
Cube Camp in Wonju 2019 Final 39 1:43.81 2:02.02 1:54.732:10.702:00.632:27.291:43.81
Play Cube X4 2019 Final 46 2:06.67 2:16.27 2:38.362:19.842:14.192:06.672:14.78
Seoul Winter 2019 Final 53 2:22.83 2:31.68 4:08.172:35.982:31.752:22.832:27.30
Korean Championship 2011 First round 19 2:20.19 2:44.48 3:16.024:03.632:23.552:20.192:33.86
KCA Korea Open 2008 Final 28 3:01.13 3:47.533:01.13
KCRC Busan competition 2007 Final 19 4:46.88 5:44.974:46.88
5x5x5 Cube
Korean Championship 2024 First round 94 DNF DNFDNF
Prime Cubing Day Seoul 2024 First round 72 2:42.23 DNF2:42.23
Daegu Cold Winter 2024 First round 78 2:45.23 2:57.96 3:15.333:05.952:48.032:45.232:59.91
Korean Championship 2023 First round 65 2:34.21 2:42.26 2:41.492:40.182:49.982:45.112:34.21
Ansan Autumn 2023 First round 57 2:31.55 2:48.32 2:55.462:31.554:05.132:43.422:46.07
Daegu Hot Spring 2023 First round 56 2:37.37 2:57.49 3:22.872:56.922:55.503:00.042:37.37
Please Big Cubes Korea 2022 First round 51 2:43.39 2:59.70 2:57.403:01.613:00.093:20.982:43.39
Daegu Hot Autumn 2022 Final 40 2:39.84 2:48.12 3:10.632:53.442:44.312:39.842:46.62
Korean Championship 2022 First round 60 2:58.07 DNF 3:06.502:58.07DNFDNF3:04.58
Korean Spring 2022 Final 37 2:33.34 2:50.55 2:42.213:15.743:04.102:33.342:45.35
Cubing Korea 2019 Final 50 3:28.68 3:41.09 3:48.093:28.683:35.193:39.983:49.07
Korean Championship 2019 First round 54 3:19.97 3:19.973:41.47
Cube Camp in Wonju 2019 Final 27 2:49.45 3:12.93 3:22.163:14.032:49.453:02.603:39.40
Cutory Blossom 2019 Final 31 3:21.67 3:48.98 4:06.053:44.213:39.484:03.243:21.67
Seoul Winter 2019 Final 43 3:10.43 3:42.17 3:44.883:44.493:37.134:19.513:10.43
Korean Championship 2011 Final 13 3:59.41 4:19.91 4:42.333:59.414:38.414:02.134:19.18
KCA Korea Open 2008 Final 19 7:14.88 7:14.888:47.80
6x6x6 Cube
Anyang Haseyo 2025 First round 59 5:10.43 5:48.32 5:10.436:21.335:53.21
Daegu Cold Winter 2024 First round 67 5:41.28 5:48.84 5:58.885:41.285:46.36
Hamchang Open 2023 First round 45 5:18.63 6:20.72 8:04.945:18.635:38.58
Daegu Hot Spring 2023 Final 34 6:09.76 6:20.51 6:16.956:09.766:34.83
Please Big Cubes Korea 2022 First round 36 5:35.45 6:02.64 6:13.405:35.456:19.08
Seoul Summer 2022 Final 42 6:30.52 6:39.50 6:30.526:46.126:41.87
ByeolLae Open 2020 Final 26 6:45.46 6:59.17 7:09.066:45.467:02.99
Cube Camp in Wonju 2019 Final 21 6:30.52 6:42.53 6:41.676:30.526:55.41
7x7x7 Cube
Anyang Haseyo 2025 First round 55 8:22.15 8:38.85 9:11.038:23.368:22.15
Seoul Winter 2024 First round 49 DNF DNF
Daegu Cold Winter 2024 First round 65 8:50.17 DNF 8:50.179:13.92DNF
Hamchang Open 2023 First round 41 8:25.28 DNF 8:25.289:20.58DNF
Seoul Spring 2023 Final 47 8:02.95 8:15.51 8:22.438:02.958:21.16
Please Big Cubes Korea 2022 First round 36 8:59.77 DNF 9:26.948:59.77DNF
Korean Spring 2022 Final 25 8:16.57 8:39.31 9:05.678:16.578:35.69
Daegu Autumn Open 2019 Final 19 9:03.40 DNF 9:03.40DNFDNF
Korean Championship 2019 Final 25 9:42.31 9:42.31
Cubing Operating System Summer 2019 Final 26 DNF DNF DNFDNFDNF
3x3x3 Blindfolded
Play Cube X4 2019 First round 20 DNF DNF DNFDNFDNF
3x3x3 Fewest Moves
Silent Korea Winter 2024 Final 28 DNF DNF DNFDNFDNF
Korean FMC Championship 2024 First round 27 48 52.67 485357
Korean FMC Championship 2023 First round 31 48 DNF DNF5848
FMC Korea 2023 Final 28 48 DNF 48DNF55
Please Be Quiet Korea 2022 Final 19 49 DNF 49DNF61
Korean Championship 2022 Final 18 64 64
FMC Asia 2019 Final 74 47 50.67 475154
Korean Championship 2019 Final 13 54 54
3x3x3 One-Handed
Anyang Haseyo 2025 First round 84 45.56 1:09.33 45.561:07.491:59.311:06.491:14.02
Korean Championship 2024 First round 81 DNF DNFDNF
Ansan Summer 2024 First round 58 55.53 55.531:38.33
Daegu Hot Spring 2023 Final 66 1:03.90 1:17.77 1:24.471:41.071:03.901:22.781:06.07
KAIST Fall 2022 First round 60 1:49.60 2:21.85 DNF2:21.981:49.602:34.852:08.73
Seoul Summer 2022 Final 84 1:13.54 1:30.90 2:33.611:40.321:13.541:32.471:19.92
Daegu Autumn Open 2019 Final 27 1:05.63 1:17.64 1:37.021:05.631:07.391:24.431:21.10
Cube Camp in Wonju 2019 Final 35 1:17.86 1:32.21 1:30.181:34.321:17.861:32.131:58.38
Play Cube X4 2019 First round 43 1:22.24 1:34.09 1:44.742:02.231:22.241:24.161:33.37
Cutory Blossom 2019 Final 44 1:33.94 2:10.53 1:55.002:22.452:14.142:27.351:33.94
Clock
Anyang Haseyo 2025 First round 35 11.85 13.38 12.3711.8515.1412.62DNF
Brown Fall Seongnam 2024 First round 50 11.34 18.94 DNF14.7913.5711.3428.45
Korean Championship 2024 First round 63 15.65 DNF15.65
Anyang Haseyo 2024 First round 55 16.54 21.69 19.3916.5428.6617.01DNF
Ansan Autumn 2023 First round 37 14.74 16.88 17.8815.7417.8317.0614.74
Ansan Spring 2023 First round 49 17.83 20.70 DNF20.4217.8317.9423.74
Daegu Hot Autumn 2022 Final 20 20.48 22.84 28.3720.8720.4825.1722.47
Korean Championship 2022 Final 38 24.21 DNF 25.2024.2126.61DNFDNF
Korean Spring 2022 Final 29 29.48 DNF 35.5229.48DNF36.98DNF
Cubing Korea 2019 Final 26 28.26 32.11 31.2735.7229.3528.2637.71
Korean Championship 2019 Final 20 25.17 29.37 31.5225.1731.7427.4829.10
Cube Camp in Wonju 2019 Final 14 39.36 42.36 47.5339.3642.4342.4742.18
Cubing Operating System Summer 2019 Final 25 1:13.76 DNF DNF1:13.76DNF1:22.861:22.53
Megaminx
Please Minx Korea 2025 First round 83 2:40.02 3:05.40 2:53.123:13.153:09.932:40.023:13.48
Daegu Autumn 2024 First round 68 3:08.38 3:21.27 3:22.283:20.895:06.273:20.653:08.38
Daegu Hot Spring 2023 Final 50 3:19.99 3:36.94 3:31.313:19.993:53.984:04.623:25.53
KAIST Fall 2022 First round 39 3:03.48 3:19.46 3:03.483:26.563:11.653:27.213:20.16
Please Big Cubes Korea 2022 First round 41 3:19.29 3:40.21 3:50.634:29.923:19.293:45.543:24.46
Seoul Summer 2022 Final 51 3:24.75 3:41.66 4:16.463:52.793:39.373:32.833:24.75
ByeolLae Open 2020 Final 21 4:11.05 4:40.83 4:15.335:37.674:36.685:10.484:11.05
Daegu Autumn Open 2019 Final 19 3:09.25 3:21.43 3:39.933:29.583:22.423:12.283:09.25
Korean Championship 2019 Final 30 DNF DNFDNS
Cutory Blossom 2019 Final 26 6:29.37 7:16.83 6:37.989:28.466:29.377:27.747:44.77
Pyraminx
Please Minx Korea 2025 First round 127 12.23 21.86 22.7019.9624.8712.2322.92
Daegu Autumn 2024 First round 85 10.78 13.84 13.7016.2418.2810.7811.59
Korean Championship 2024 First round 90 12.08 14.94 16.9613.8212.0816.4214.57
Korean Championship 2023 First round 54 10.81 12.32 13.2612.0521.0510.8111.64
Hamchang Open 2023 First round 60 12.65 15.73 19.0513.3812.6525.9914.77
Rubik's WCA World Championship 2023 First round 509 14.48 17.04 15.0619.1816.8914.4819.89
Ansan Spring 2023 First round 75 14.42 22.20 24.5617.3624.6914.4232.01
Daegu Hot Autumn 2022 Final 36 11.78 14.50 52.5912.7612.2218.5111.78
Korean Championship 2022 First round 41 11.41 17.16 13.0213.4325.5111.4125.04
Korean Spring 2022 Final 30 12.41 21.19 26.4817.3921.0412.4125.14
ByeolLae Open 2020 Final 35 18.22 21.17 18.2222.1420.2322.4821.14
Daegu Autumn Open 2019 Final 38 18.24 19.65 20.9219.6918.2418.3438.59
Korean Championship 2019 First round 45 14.97 20.80 14.9724.4918.5619.3531.74
Cube Camp in Wonju 2019 Final 27 14.97 17.32 19.4816.3623.5514.9716.13
Play Cube X4 2019 Final 40 14.89 21.44 16.1917.7334.6530.4014.89
Seoul Winter 2019 First round 48 23.16 25.25 29.3325.0826.2324.4423.16
KCRC Busan competition 2007 Final 14 40.53 50.32 47.1852.5851.211:03.5540.53
Skewb
Anyang Haseyo 2025 First round 59 17.51 20.67 17.9820.6325.4623.4017.51
Daegu Autumn 2024 First round 71 9.84 16.31 26.3011.199.8411.4530.97
Korean Championship 2024 First round 79 21.19 21.19DNF
Anyang Haseyo 2024 First round 75 15.04 21.23 23.2824.1324.9816.2915.04
Rubik's WCA World Championship 2023 First round 468 23.22 23.2227.44
Daegu Hot Spring 2023 Final 79 16.78 20.32 28.1417.5416.7820.6522.78
Ansan Spring 2023 First round 64 13.51 23.05 22.101:00.5913.6613.5133.40
KAIST Fall 2022 First round 45 25.39 34.03 25.3936.5729.82DNF35.70
Korean Championship 2022 First round 45 13.33 36.67 DNF47.2430.8013.3331.96
Seoul Summer 2022 Final 56 26.48 31.38 31.3526.4826.6136.1850.00
ByeolLae Open 2020 Final 31 18.06 31.55 49.8218.0622.7935.7436.11
Korean Championship 2019 First round 48 28.02 46.71 DNF35.1628.0251.2653.71
Cube Camp in Wonju 2019 Final 25 19.64 28.35 31.7436.7519.6431.3321.98
Cubing Operating System Summer 2019 First round 30 21.32 30.34 29.871:23.6836.8824.2821.32
Cutory Blossom 2019 Final 44 16.94 32.69 38.1535.2744.3216.9424.65
Seoul Winter 2019 Final 47 49.62 1:05.95 1:12.381:49.051:06.0459.4349.62
Square-1
Daegu Autumn 2024 First round 41 1:12.93 1:27.34 2:23.141:29.611:12.931:18.431:33.97
Hamchang Open 2023 First round 34 1:03.32 2:10.13 1:03.326:32.702:19.401:16.652:54.34
Ansan Spring 2023 First round 41 1:00.65 1:20.39 1:04.391:44.572:09.471:00.651:12.21
Cutory Blossom 2019 Final 22 2:17.43 2:53.16 3:13.012:17.432:41.402:45.07DNF
3x3x3 With Feet
Cubing Korea 2019 Final 16 2:30.14 2:58.01 6:57.012:49.872:30.142:45.323:18.83
Korean Championship 2019 Final 8 2:33.28 3:25.47 3:08.343:49.942:33.283:18.13DNF
Cubing Operating System Summer 2019 Final 15 5:51.11 6:29.44 9:16.636:20.966:21.336:46.035:51.11
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