Kai Hatano

Region WCA ID Gender Competitions Completed Solves
Japan 2022HATA01 Male 27 845

Current Personal Records

Event NR CR WR Single Average WR CR NR
3x3x3 Cube 59 1299 3848 7.18 8.02 1662 600 28
2x2x2 Cube 7 365 1900 1.24 2.89 3538 925 30
4x4x4 Cube 45 1057 3073 32.07 35.84 2405 845 36
5x5x5 Cube 116 2581 7792 1:22.91 1:27.59 6576 2220 103
6x6x6 Cube 121 2538 8798 3:33.49
3x3x3 Blindfolded 96 828 2495 1:29.42 1:58.14 1718 517 57
3x3x3 One-Handed 52 1261 3609 13.61 18.84 5511 2071 76
Clock 54 1196 5089 8.60 10.68 5409 1238 52
Megaminx 105 1582 5710 1:14.24 1:25.99 6097 1682 113
Pyraminx 69 1919 7066 3.63 5.37 5297 1574 63
Skewb 70 2662 10382 4.64 6.64 7440 2061 72
Square-1 62 966 4324 16.07 20.67 3779 867 62
Competition Round Place Single Average Solves
3x3x3 Cube
Stevenage 10th Anniversary 2025 Second round 24 8.02 9.69 9.439.208.02DNF10.44
First round 13 8.15 8.58 8.458.158.608.70DNF
Hampshire Autumn 2025 Final 9 7.92 8.79 10.058.439.797.928.15
Second round 18 7.85 9.99 9.127.8512.57DNF8.27
First round 10 8.17 9.03 8.178.979.138.9811.11
Stevenage October 2025 Final 8 7.44 8.02 7.857.447.828.4010.23
Second round 31 7.64 10.21 11.297.6411.1812.668.17
First round 18 8.43 9.32 10.518.708.438.7612.52
Rubik's UK Championship 2025 Semi Final 41 7.28 8.98 DNF8.628.989.337.28
Second round 66 7.83 9.68 10.997.839.0310.849.17
First round 66 8.42 9.88 8.849.968.4211.7010.85
Stevenage April 2025 Final 14 9.24 9.83 11.849.8210.269.419.24
Second round 6 7.82 8.53 9.707.9612.187.827.93
First round 19 9.23 10.56 9.5711.579.2310.5314.22
Chichester January 2025 Final 8 8.85 9.33 9.0711.328.898.8510.02
Second round 5 8.25 8.47 8.648.258.269.118.52
First round 7 7.98 9.39 9.6510.497.989.199.34
Stevenage December 2024 Final 18 10.39 11.41 10.3912.1311.5112.2910.60
Semi Final 15 8.81 9.38 9.619.469.0811.148.81
Second round 39 8.98 11.85 8.9813.7911.0911.3613.11
First round 21 9.00 9.93 9.649.00DNF10.859.31
Rubik's UK Championship 2024 Semi Final 66 9.58 10.80 10.7611.2410.409.5812.47
Second round 61 8.35 9.94 9.7210.108.3512.2110.00
First round 49 7.18 9.34 12.378.429.257.1810.35
Stevenage October 2024 Semi Final 18 9.46 10.27 9.8111.42DNF9.589.46
Second round 30 9.54 11.84 13.3810.4812.2712.789.54
First round 15 8.32 9.97 8.3210.2811.1510.209.44
Stevenage June 2024 Final 26 8.92 10.99 11.6111.1910.1812.388.92
Second round 27 8.66 11.02 8.6611.8611.619.5813.62
First round 45 9.93 12.52 14.4516.7610.309.9312.80
Stevenage April 2024 Final 33 10.52 11.67 10.5211.9211.5711.8011.64
Second round 24 9.94 10.71 9.9410.139.9712.0212.35
First round 33 10.18 11.66 40.2211.4810.5612.9410.18
Stevenage February 2024 Second round 23 8.82 11.00 12.8210.6112.1810.208.82
First round 9 7.60 9.33 9.237.6011.648.889.88
Guildford Autumn 2023 Final 13 7.98 10.08 12.279.297.9810.4010.54
Second round 18 10.00 10.99 10.0011.1011.8111.3510.53
First round 6 8.35 9.28 8.358.718.9010.2210.80
Rubik's UK Championship 2023 Semi Final 74 7.68 12.80 12.267.6812.5413.59DNF
Second round 71 9.53 10.58 9.5312.029.9912.709.74
First round 37 8.73 9.59 10.5012.048.758.739.53
Mind Sports Olympiad Cubing 2023 Final 7 9.63 10.46 10.059.6310.3510.9711.01
First round 7 8.25 9.38 9.269.548.2510.399.35
Stevenage June 2023 Final 20 11.63 12.32 13.2511.6312.04DNF11.67
Semi Final 20 9.48 10.31 10.3110.9911.889.489.64
Second round 29 10.13 11.67 12.7711.06DNF11.1910.13
First round 23 9.27 10.91 23.559.279.9110.2812.53
Stevenage May 2023 Final 27 10.03 11.76 13.6012.1411.9510.0311.20
Semi Final 13 10.16 10.82 10.1610.7612.1610.7510.94
Second round 29 11.11 11.67 12.0111.7311.1111.9711.32
First round 20 10.03 11.14 11.6411.1311.1611.1310.03
Reading Spring 2023 Final 15 10.30 10.84 10.8710.3011.30DNF10.36
Second round 24 10.05 11.85 12.1413.8012.5710.8410.05
First round 14 9.30 11.18 9.3011.2612.39DNF9.88
Kewbz UK Championship 2022 First round 202 14.60 16.35 14.7216.0018.3219.1814.60
Stevenage Spring 2022 Second round 105 16.14 19.89 20.0316.1418.7322.1120.90
First round 89 14.99 18.21 18.0723.1217.7218.8414.99
Farnworth Spring D 2022 First round 52 17.58 21.16 19.7819.36DNF17.5824.35
2x2x2 Cube
Stevenage September 2025 Final 24 3.81 4.35 5.353.89DNF3.813.82
Second round 19 2.10 3.38 2.103.603.183.354.85
First round 19 2.46 3.38 3.622.623.892.464.52
Rubik's UK Championship 2025 First round 123 3.72 4.26 DNF4.034.013.724.73
Stevenage March 2025 Final 34 1.85 4.34 1.854.922.695.605.42
Second round 34 2.06 3.81 3.513.344.592.065.00
First round 72 2.70 5.22 2.969.32DNF3.372.70
Rubik's UK Championship 2024 Second round 46 2.65 3.33 DNF3.353.153.492.65
First round 66 1.36 3.20 2.514.284.601.362.81
Stevenage June 2024 Final 31 3.14 4.53 3.456.84DNF3.293.14
Second round 23 2.42 3.20 DNF2.472.424.182.96
First round 48 3.18 4.64 DNF4.804.334.803.18
Stevenage May 2024 Final 19 2.04 3.50 3.069.362.044.353.09
Second round 16 2.46 3.32 2.465.213.543.612.81
First round 13 2.58 3.56 3.114.785.602.582.78
Stevenage November 2023 Second round 78 2.67 9.55 2.67DNF4.6118.775.27
First round 12 1.89 2.89 3.422.572.691.894.87
Rubik's UK Championship 2023 Second round 40 2.33 2.97 2.564.733.692.332.66
First round 76 2.87 3.89 3.164.196.962.874.32
Mind Sports Olympiad Cubing 2023 Final 5 2.89 3.39 3.203.683.30DNF2.89
First round 5 1.24 2.93 2.942.992.873.071.24
Stevenage January 2023 Final 29 2.17 4.66 4.415.302.174.27DNF
Second round 24 2.74 4.26 5.032.744.463.29DNF
First round 18 1.62 4.01 3.965.781.623.384.68
Kewbz UK Championship 2022 First round 105 3.20 4.61 4.305.324.203.205.99
Farnworth Spring D 2022 Final 40 6.11 6.70 7.506.116.387.966.23
First round 47 5.62 7.96 8.477.887.645.628.36
4x4x4 Cube
Stevenage 10th Anniversary 2025 Final 22 34.97 38.26 39.1634.9737.4938.5338.75
Stevenage October 2025 First round 14 32.13 35.84 DNF39.3933.0635.0832.13
Rubik's UK Championship 2025 First round 185 32.07 DNF 36.42DNFDNF34.5832.07
Stevenage April 2025 Final 10 39.99 41.91 39.9942.5342.8643.6240.33
First round 9 36.83 44.42 43.1753.0847.3936.8342.71
Stevenage March 2025 Final 29 38.58 45.39 49.4546.0738.5844.8345.27
First round 29 39.48 44.41 45.2442.9739.4845.0249.92
Stevenage December 2024 First round 32 38.65 46.94 39.9853.0038.6547.84DNF
Rubik's UK Championship 2024 First round 92 37.95 45.79 49.5147.0840.781:01.6737.95
Stevenage May 2024 Second round 23 39.88 47.89 39.8848.131:04.8642.9252.63
First round 32 47.31 54.29 51.2158.17DNF53.5047.31
Stevenage February 2024 First round 17 41.39 43.61 41.3943.0748.7145.8741.89
Stevenage November 2023 Final 12 34.96 44.71 42.6334.9644.6049.1446.89
First round 18 39.69 46.39 44.5439.6947.9249.5546.70
Guildford Autumn 2023 Final 20 42.16 45.91 55.1244.8842.1647.2845.57
First round 18 37.81 41.97 46.5542.0740.8443.0037.81
Stevenage January 2023 Final 23 42.74 50.21 42.7452.3748.6449.6158.07
First round 25 44.65 51.29 51.6657.0148.7944.6553.43
5x5x5 Cube
Hampshire Autumn 2025 First round 29 1:26.79 1:37.41 1:39.821:47.521:26.791:41.621:30.80
Rubik's UK Championship 2025 First round 105 1:22.91 1:27.59 1:22.911:25.791:42.491:28.241:28.75
Stevenage December 2024 First round 35 1:23.81 1:32.64 1:33.041:32.961:31.911:23.811:37.79
Stevenage April 2024 First round 49 1:44.12 1:55.52 2:15.701:44.741:44.122:00.022:01.79
Guildford Autumn 2023 Final 31 1:37.83 1:57.40 DNF1:49.092:15.261:47.851:37.83
First round 29 1:36.15 1:46.91 1:49.691:44.941:36.151:46.101:50.37
Stevenage June 2023 First round 42 1:29.34 1:46.92 1:39.031:53.071:29.341:48.652:09.91
Stevenage May 2023 First round 43 1:40.75 1:51.14 1:57.501:46.111:40.751:56.791:50.51
6x6x6 Cube
Stevenage September 2025 First round 23 3:33.49 3:33.49
Stevenage March 2025 Final 48 4:32.87 4:32.87
Guildford Autumn 2023 First round 37 5:08.73 5:08.73
7x7x7 Cube
Stevenage June 2024 Final 39 DNF DNF
3x3x3 Blindfolded
Stevenage 10th Anniversary 2025 Final 35 DNF DNF DNFDNFDNF
Hampshire Autumn 2025 First round 24 DNF DNF DNFDNFDNF
Stevenage October 2025 Final 25 3:37.89 DNF DNF3:37.89DNF
Rubik's UK Championship 2025 First round 59 DNF DNF DNFDNFDNF
Chichester January 2025 First round 18 DNF DNF DNFDNFDNF
Rubik's UK Championship 2024 Second round 28 1:32.78 DNF 1:32.78DNFDNF
First round 35 1:29.42 DNF 1:29.42DNFDNF
Stevenage February 2024 Final 12 2:44.14 DNF 2:44.14DNFDNF
Guildford Autumn 2023 First round 16 DNF DNF DNFDNFDNF
Mind Sports Olympiad Cubing 2023 First round 13 DNF DNF DNFDNFDNF
Stevenage June 2023 Final 18 DNF DNF DNFDNFDNF
Kewbz UK Championship 2022 First round 34 1:58.13 DNF 1:58.13DNFDNF
Ota Blind Summer 2022 Final 18 1:53.61 DNF DNFDNF1:53.61
First round 19 1:48.73 1:58.14 1:56.742:08.951:48.73
Stevenage Spring 2022 First round 31 DNF DNF DNFDNFDNF
Farnworth Spring D 2022 Final 12 DNF DNF DNFDNFDNF
3x3x3 One-Handed
Stevenage 10th Anniversary 2025 Final 29 17.29 19.34 18.7721.4117.8517.2928.31
Stevenage October 2025 First round 24 13.61 19.70 DNF20.4319.6219.0613.61
Rubik's UK Championship 2025 Second round 70 19.92 21.17 21.0520.9919.92DNF21.48
First round 74 18.27 19.25 20.4424.2118.7718.5418.27
Rubik's UK Championship 2024 Second round 69 17.03 21.63 DNF17.0318.0523.6723.18
First round 58 16.84 18.84 16.9719.0516.8420.5121.04
Stevenage November 2023 Final 20 16.14 DNF 17.9716.14DNF20.92DNF
First round 17 14.23 20.08 22.0520.4014.2319.5220.33
Guildford Autumn 2023 Final 23 18.67 24.00 28.0018.6723.3925.4623.16
First round 19 19.10 22.08 23.18DNF21.0619.1021.99
Rubik's UK Championship 2023 Second round 56 16.12 21.28 23.3020.8821.5821.3716.12
First round 71 18.82 20.62 21.8719.9322.0418.8220.06
Mind Sports Olympiad Cubing 2023 Final 10 22.03 24.88 25.2322.0324.0537.8725.36
First round 5 16.92 19.09 18.1522.4816.9217.8621.25
Reading Spring 2023 Final 11 18.65 20.37 19.7626.2822.2618.6519.09
First round 7 17.32 20.12 22.1619.1517.3222.1819.06
Stevenage January 2023 Final 29 22.26 26.05 23.5328.7422.2632.0725.89
First round 34 23.82 25.84 26.0727.6923.8226.0925.35
Stevenage Spring 2022 First round 96 59.51 59.511:12.02
Clock
Rubik's UK Championship 2025 First round 101 8.60 10.68 8.6011.2911.2610.6510.14
Stevenage October 2024 Second round 26 9.17 11.89 10.6313.7511.309.17DNF
First round 30 9.23 10.89 10.089.2310.8612.8411.72
Stevenage May 2024 First round 29 10.03 11.08 10.3712.0910.0310.7714.41
Stevenage January 2023 Final 30 15.32 16.79 17.4915.7717.1015.3228.46
Megaminx
Stevenage September 2025 Final 18 1:14.24 1:25.99 1:14.241:18.641:39.241:31.061:28.27
Rubik's UK Championship 2025 First round 114 1:24.14 1:28.42 1:24.141:27.701:31.762:03.631:25.80
Stevenage March 2025 First round 49 1:58.23 1:59.181:58.23
Chichester January 2025 Final 28 1:25.53 1:38.87 2:53.601:43.301:33.641:39.681:25.53
First round 27 1:20.52 1:33.78 1:34.011:30.641:59.011:36.691:20.52
Guildford Autumn 2023 Final 33 1:56.75 1:56.752:00.49
Pyraminx
Stevenage 10th Anniversary 2025 Final 37 4.85 5.37 4.885.676.005.554.85
Stevenage September 2025 Second round 22 5.15 5.93 5.346.645.807.715.15
First round 39 5.96 8.68 5.9611.006.969.369.72
Rubik's UK Championship 2025 First round 87 5.16 6.64 7.025.968.535.166.95
Rubik's UK Championship 2024 First round 113 5.12 7.07 5.127.277.297.946.65
Rubik's UK Championship 2023 Second round 51 5.02 6.39 5.335.027.3510.046.48
First round 67 5.09 6.42 5.096.706.266.936.31
Reading Spring 2023 Final 13 5.59 6.42 6.326.749.666.195.59
Second round 14 3.74 6.52 7.336.343.7411.205.88
First round 8 4.51 6.07 5.186.366.926.684.51
Stevenage January 2023 Final 17 4.50 6.56 5.067.304.507.327.38
Second round 13 6.07 6.68 6.687.706.076.586.77
First round 27 3.86 7.20 6.948.307.427.253.86
Kewbz UK Championship 2022 Second round 77 5.36 8.96 9.9810.305.367.889.03
First round 71 3.63 7.01 7.623.637.635.798.69
Farnworth Spring D 2022 First round 34 8.34 10.99 14.5111.629.1012.268.34
Skewb
Rubik's UK Championship 2025 First round 156 6.98 10.06 10.2512.017.916.9814.47
Stevenage April 2025 Final 25 4.68 8.81 8.6713.564.688.229.53
First round 38 7.92 8.95 9.678.557.928.6310.02
Rubik's UK Championship 2024 First round 119 5.65 7.81 6.877.718.855.65DNF
Stevenage February 2024 First round 45 7.70 8.51 7.708.109.4510.007.99
Stevenage November 2023 Second round 31 7.32 7.84 7.959.417.587.987.32
First round 22 5.30 6.64 6.746.515.306.687.56
Rubik's UK Championship 2023 First round 112 6.79 8.20 9.6810.018.006.796.92
Stevenage June 2023 First round 57 5.82 9.66 9.2011.915.8211.198.59
Stevenage May 2023 Final 42 4.64 8.24 7.957.139.689.634.64
First round 36 6.08 7.81 8.886.088.399.386.16
Kewbz UK Championship 2022 Second round 75 7.05 9.07 11.047.779.427.0510.02
First round 100 7.29 9.35 9.9117.187.298.439.70
Farnworth Spring D 2022 Final 32 8.98 14.11 19.169.718.9813.46DNF
Square-1
Stevenage October 2024 First round 19 16.07 23.33 38.9324.0716.0724.1621.76
Stevenage April 2024 First round 49 23.80 46.29 23.8057.651:19.7856.7624.45
Guildford Autumn 2023 Final 15 22.24 34.46 53.2422.2437.7123.5542.12
First round 9 17.99 20.67 24.1417.9921.1518.8921.97
Stevenage May 2023 Final 26 16.84 24.14 21.0523.4329.2027.9516.84
Farnworth Spring D 2022 First round 23 DNF DNFDNF
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