Sachio Iwasaki (岩崎幸生)

Country WCA ID Gender Competitions Completed Solves
Japan 2009IWAS01 Male 26 709

Current Personal Records

Event NR CR WR Single Average WR CR NR
3x3x3 Cube 132 2817 7900 9.92 11.52 6242 2219 108
2x2x2 Cube 73 2587 8968 2.75 4.01 5636 1656 57
4x4x4 Cube 126 3438 9101 48.30 52.47 7495 2842 111
5x5x5 Cube 53 1031 2869 1:18.40 1:33.40 3913 1422 71
6x6x6 Cube 42 859 2614 2:54.33 3:05.62 2539 857 45
7x7x7 Cube 42 925 2684 4:37.47 4:45.56 2464 853 36
3x3x3 Blindfolded 143 1525 4203 3:32.03
3x3x3 Fewest Moves 96 1081 3859 43
3x3x3 One-Handed 55 1751 4539 17.27 22.17 5158 2073 61
Clock 12 214 745 7.83 9.22 677 184 12
Megaminx 66 1313 4151 1:30.31 1:37.32 3745 1185 59
Pyraminx 40 952 3176 3.66 6.46 4195 1370 63
Square-1 43 660 2580 18.44 25.66 2689 702 44

Medal Collection

Gold Silver Bronze
1 7 5
Competition Round Place Single Average Solves
3x3x3 Cube
UT Open 2015 Second round 18 12.25 13.53 13.5312.7118.3614.3612.25
First round 26 11.53 15.08 11.5317.6315.4414.9714.83
World Rubik's Cube Championship 2015 Second round 77 11.57 13.35 13.9113.6611.5714.4612.48
First round 104 12.92 14.42 14.2114.9314.1312.9216.16
Tokyo Pyraminx Open 2015 First round 11 12.69 13.44 18.0612.6914.2813.2812.75
Melaka Open 2014 Final 5 10.86 12.15 11.8310.8613.5014.1611.13
Second round 10 13.97 15.05 16.5514.1613.9714.4716.53
First round 9 11.09 12.83 13.1112.5812.8117.5011.09
Kaohsiung Summer Open 2014 Second round 16 11.47 14.38 18.9114.6111.4713.9014.63
First round 15 12.79 14.06 14.4513.6514.0812.7917.10
Hsinchu Spring Open 2014 Second round 11 9.92 12.35 15.9113.299.9211.0112.76
First round 15 12.13 14.51 18.3715.8112.1313.3414.39
UT Open 2013 Final 8 11.90 12.67 17.0012.4013.5211.9012.08
Second round 7 10.68 11.52 11.5910.6812.1813.3810.80
First round 14 11.81 13.21 14.3311.8111.9713.3416.31
Kawasaki Autumn 2013 Final 7 12.05 14.85 14.9012.0513.8016.1115.84
Kawasaki Open 2013 Final 13 12.34 16.38 15.0917.8312.3420.6616.21
Kansai Open 2013 First round 27 12.53 16.08 12.5316.6117.5014.5517.09
Rabbit And Turtle 2013 Final 14 12.84 15.55 16.9418.3412.8413.9115.81
First round 13 13.05 14.82 15.7516.4713.5915.1113.05
Japan Open 2012 Second round 19 12.69 14.38 14.5817.0913.6612.6914.90
First round 17 12.03 14.07 14.7113.9626.5813.5512.03
Cube Camp in Kanazawa 2012 Second round 11 10.53 12.53 20.9313.7810.5311.9011.91
First round 13 12.77 13.65 14.4612.7713.2113.4714.27
Kawasaki Open 2012 First round 17 13.06 14.20 13.9616.9713.2813.0615.36
Rabbit and Turtle 2012 Final 10 11.43 13.10 11.4313.5213.9111.8615.25
Second round 14 13.47 14.43 14.9113.5913.4715.0514.78
First round 14 14.36 15.02 14.7215.2716.5815.0814.36
Matsudo Spring 2012 Second round 20 13.86 15.97 17.5616.2817.9014.0813.86
First round 18 13.53 14.41 14.9114.0514.2717.6613.53
Tsukuba 2012 Second round 16 10.71 14.37 15.1315.4313.9414.0510.71
First round 14 11.83 14.37 16.2816.7113.1511.8313.68
UT Open 2011 First round 15 13.03 14.17 19.6813.0313.1814.5814.75
Matsudo Autumn 2011 First round 19 12.84 16.71 18.0312.8415.7716.8417.52
Japan Open 2009 First round 61 25.84 31.85 32.9137.0035.3827.2725.84
2x2x2 Cube
Kawasaki Autumn 2013 Final 7 5.66 5.89 5.836.007.435.665.84
Kansai Open 2013 Final 7 4.18 4.82 4.784.184.475.215.36
First round 7 3.58 5.16 4.933.585.095.525.47
Rabbit And Turtle 2013 Final 6 4.02 5.07 4.886.345.884.444.02
Japan Open 2012 First round 19 4.34 5.82 7.065.504.904.348.36
Cube Camp in Kanazawa 2012 Final 4 3.21 4.56 4.696.314.063.214.93
First round 6 2.75 4.01 2.753.116.004.334.58
Kanto Open 2012 Final 12 4.47 5.73 4.475.535.186.477.36
First round 8 3.15 4.70 5.055.213.153.935.13
Kawasaki Open 2012 Final 5 3.93 4.44 4.214.163.934.967.43
Matsudo Spring 2012 Second round 7 2.78 4.71 4.662.783.755.935.72
First round 9 4.18 4.75 5.114.934.189.964.21
Tsukuba 2012 First round 10 4.38 5.51 6.114.3817.564.565.86
4x4x4 Cube
UT Open 2015 Final 14 48.30 52.47 48.3053.1953.4050.811:02.63
World Rubik's Cube Championship 2015 Second round 70 51.60 55.77 1:00.0553.3956.6557.2651.60
First round 77 53.33 57.22 59.2158.9256.3956.3453.33
Melaka Open 2014 Final 7 54.88 56.46 55.9456.2557.181:03.4054.88
First round 9 52.81 58.87 1:13.8858.211:04.5252.8153.88
Kaohsiung Summer Open 2014 First round 13 48.97 53.49 54.83DNF52.3848.9753.27
Hsinchu Spring Open 2014 First round 14 52.91 58.07 59.531:00.331:05.2952.9154.34
UT Open 2013 First round 11 53.41 1:01.91 1:08.301:02.111:05.1658.4653.41
Japan Contest 2012 Second round 9 51.34 57.87 1:02.1851.341:05.5355.7155.72
First round 9 54.22 58.90 57.1554.2258.431:01.131:06.28
Japan Open 2012 First round 17 52.52 57.35 52.5257.6855.5858.7858.81
Cube Camp in Kanazawa 2012 First round 20 1:01.00 1:04.11 1:02.911:06.831:18.271:01.001:02.58
Kawasaki Open 2012 First round 9 50.28 55.71 54.5957.6555.0850.2857.47
Matsudo Spring 2012 Second round 22 1:02.52 1:08.74 1:13.971:02.521:12.461:07.271:06.50
First round 23 59.81 1:07.40 1:07.4159.811:19.461:02.131:12.65
Tsukuba 2012 First round 17 59.16 1:03.54 1:00.811:06.031:04.341:05.4759.16
UT Open 2011 Final 22 1:03.90 1:08.49 1:16.581:05.661:03.901:08.471:11.33
Matsudo Autumn 2011 First round 11 59.55 1:02.66 1:02.1659.551:00.831:10.211:05.00
5x5x5 Cube
World Rubik's Cube Championship 2015 First round 36 1:32.68 1:35.52 1:35.801:32.681:51.841:32.731:38.03
Melaka Open 2014 Final 6 1:34.66 1:39.25 1:47.091:43.281:36.901:34.661:37.56
First round 4 1:23.46 1:35.54 1:35.651:23.461:51.271:31.751:39.21
Kaohsiung Summer Open 2014 Final 6 1:23.68 1:33.40 1:31.361:37.521:42.131:23.681:31.33
First round 6 1:29.44 1:34.06 1:31.051:29.441:36.441:34.681:39.33
Hsinchu Spring Open 2014 First round 7 1:25.76 1:37.09 1:41.991:35.291:42.801:34.001:25.76
Kansai Open 2013 Second round 11 1:30.83 1:35.49 1:37.001:31.961:30.831:37.501:42.47
First round 8 1:18.40 1:34.46 1:43.311:46.161:23.581:18.401:36.50
Japan Contest 2012 Final 6 1:34.71 1:41.66 1:38.651:43.861:58.131:34.711:42.46
Second round 6 1:30.02 1:35.29 1:42.471:33.131:39.031:30.021:33.72
First round 7 1:33.28 1:50.10 1:55.841:52.111:53.751:33.281:44.43
Japan Open 2012 Final 11 1:32.61 1:46.85 1:42.272:17.551:32.611:55.561:42.71
First round 10 1:37.02 1:40.91 1:37.611:39.861:52.361:37.021:45.27
Cube Camp in Kanazawa 2012 First round 29 1:50.30 DNF 1:50.302:04.27DNSDNSDNS
East Japan Big Cubes 2012 Second round 9 1:42.31 1:51.43 1:57.441:49.551:42.311:58.091:47.30
First round 9 1:39.40 1:50.36 1:50.061:47.651:56.651:53.381:39.40
Kawasaki Open 2012 Final 6 1:35.47 1:39.15 1:40.521:36.691:40.251:47.801:35.47
First round 6 1:40.22 1:45.21 1:50.661:44.271:40.221:40.691:58.13
Matsudo Spring 2012 Second round 11 1:39.22 1:53.66 1:39.221:42.801:52.282:05.902:09.15
First round 8 1:34.63 1:42.84 1:49.911:34.631:54.281:43.531:35.08
Tsukuba 2012 Final 11 1:38.69 1:47.71 1:46.971:44.051:56.521:52.111:38.69
Matsudo Autumn 2011 First round 7 1:41.50 1:50.87 1:42.332:00.652:03.811:41.501:49.64
6x6x6 Cube
Japan Open 2012 Final 6 2:54.33 3:08.01 3:18.253:11.442:54.33
East Japan Big Cubes 2012 Final 3 2:59.69 3:05.62 3:04.363:12.802:59.69
Kansai Open 2012 Final 6 3:09.66 3:37.14 3:55.503:46.253:09.66
7x7x7 Cube
Kansai Open 2013 Final 4 4:37.47 4:45.56 4:37.474:54.584:44.63
Japan Open 2012 Final 5 4:45.11 4:57.45 4:45.115:18.064:49.19
East Japan Big Cubes 2012 Final 4 4:48.50 4:53.67 4:48.504:50.755:01.75
Kansai Open 2012 Final 6 5:20.84 5:25.49 5:32.185:23.465:20.84
3x3x3 Blindfolded
Japan Open 2012 First round 10 DNF DNF DNFDNFDNF
Cube Camp in Kanazawa 2012 First round 7 3:45.40 DNF DNF3:45.40DNF
Kanto Open 2012 Final 8 3:32.03 DNF DNFDNF3:32.03
East Japan Big Cubes 2012 First round 17 DNF DNF DNFDNFDNF
Kansai Open 2012 Final 13 DNF DNF DNFDNFDNS
Waseda Brain Challenge 2012 First round 15 DNF DNF DNFDNFDNF
3x3x3 Fewest Moves
Cube Camp in Kanazawa 2012 Final 10 43 43DNF
Waseda Brain Challenge 2012 Final 13 47 DNF47
3x3x3 One-Handed
World Rubik's Cube Championship 2015 Second round 59 23.82 26.49 23.8225.3627.3026.8027.48
First round 64 23.02 25.23 23.0223.6327.8024.2630.49
Melaka Open 2014 Final 5 18.81 23.84 26.0332.3323.9321.5518.81
First round 7 24.59 26.38 28.1624.9426.0531.1124.59
Kaohsiung Summer Open 2014 Final 8 23.15 24.88 29.3125.8123.1923.1525.65
First round 9 21.21 22.89 23.9121.2122.5922.6223.46
Hsinchu Spring Open 2014 Final 7 19.01 22.82 22.8425.6119.0123.8321.79
First round 7 20.92 22.17 21.6327.2520.9223.0321.86
Japan Contest 2012 Second round 9 18.40 25.66 29.8825.1128.7718.4023.11
First round 9 21.77 25.43 21.7725.6127.1526.9423.75
Japan Open 2012 First round 13 18.27 22.86 24.6318.2723.0226.1120.93
Cube Camp in Kanazawa 2012 First round 10 17.27 24.27 23.2226.8317.2727.8022.77
Kawasaki Open 2012 Final 11 22.00 23.04 22.6322.6522.0027.2523.83
Matsudo Spring 2012 First round 13 21.55 25.46 31.8328.6321.5524.1623.58
Tsukuba 2012 Final 7 20.97 26.67 20.9730.1924.1831.4125.63
UT Open 2011 Final 9 19.93 25.02 23.2533.0019.9323.4128.40
Clock
World Rubik's Cube Championship 2015 First round 20 9.72 14.92 11.05DNF9.7219.5314.19
Melaka Open 2014 Final 2 9.69 11.00 12.349.6912.0510.1910.77
Kaohsiung Summer Open 2014 Final 4 7.83 9.22 7.8311.938.848.4310.38
First round 5 10.16 11.13 10.8612.0210.5010.16DNF
Kansai Open 2013 Final 2 8.21 10.24 10.098.2110.949.68DNF
Megaminx
World Rubik's Cube Championship 2015 First round 45 1:43.38 1:51.39 1:54.251:53.052:04.531:46.861:43.38
Kansai Open 2013 Final 4 1:30.31 1:37.32 1:53.531:31.001:38.271:42.681:30.31
Japan Open 2012 Final 6 1:33.58 1:44.40 1:52.531:35.581:33.582:12.111:45.08
East Japan Big Cubes 2012 Final 6 1:41.03 1:47.87 1:49.311:41.031:41.301:54.721:53.00
Kansai Open 2012 First round 8 2:06.65 2:18.41 2:31.442:23.912:06.652:15.362:15.96
Pyraminx
Rabbit And Turtle 2013 Final 6 6.31 8.03 6.319.087.847.1810.18
UT Open 2012 Final 4 5.41 8.04 5.416.408.6911.199.03
Japan Open 2012 Final 5 7.50 8.28 8.537.507.618.698.77
First round 2 5.38 6.46 5.385.446.587.777.36
Cube Camp in Kanazawa 2012 Final 2 3.66 7.31 9.539.276.903.665.75
First round 3 5.72 7.89 7.055.728.967.788.84
Kanto Open 2012 Final 4 6.11 7.49 6.116.729.4711.726.27
Kansai Open 2012 Final 8 6.16 9.13 9.566.168.5012.419.33
First round 5 6.36 7.98 14.187.387.536.369.03
Japan Open 2009 Final 6 5.66 11.76 5.668.908.61DNF17.77
Square-1
World Rubik's Cube Championship 2015 Final 15 21.91 26.09 55.5822.6921.9124.0331.56
First round 16 20.55 27.44 40.3032.3427.6722.3220.55
Tokyo Pyraminx Open 2015 Final 6 18.44 27.86 40.8118.4428.6626.2228.69
Melaka Open 2014 Final 3 21.09 26.97 21.41DNF27.8031.6921.09
Kaohsiung Summer Open 2014 Final 3 21.66 25.78 21.6628.8330.8222.4126.09
First round 2 21.83 25.66 32.3625.5221.8328.8422.61
Japan Open 2012 Final 6 31.03 36.80 39.5531.0339.5341.5331.31
Cube Camp in Kanazawa 2012 Final 5 27.72 DNF DNF27.72DNF33.3032.16
Kansai Open 2012 First round 6 31.41 38.24 37.6138.1931.4138.9147.97
4x4x4 Blindfolded
Melaka Open 2014 Final 1 DNF DNF DNFDNFDNF
Kansai Open 2013 Final 3 DNF DNF DNFDNFDNF
3x3x3 With Feet
World Rubik's Cube Championship 2015 Final 9 57.52 1:04.72 57.521:13.061:03.57
First round 10 55.16 1:07.78 1:08.4655.161:19.72
Melaka Open 2014 Final 1 49.08 1:29.77 2:22.901:17.3449.08
Kansai Open 2013 Final 3 42.96 46.41 46.3049.9742.96
UT Open 2012 Final 2 40.93 51.02 40.9353.5558.58
Japan Open 2012 Final 3 51.63 53.49 52.7851.6356.05
Cube Camp in Kanazawa 2012 Final 2 48.19 54.54 48.191:00.5854.84
Kawasaki Open 2012 Final 5 54.65 1:02.33 1:04.521:07.8154.65
Kansai Open 2012 Final 2 57.10 1:01.84 1:01.561:06.8557.10
Japan Open 2009 Final 2 1:56.22 2:13.07 2:38.311:56.222:04.68

National Championship Podiums

Event Place Single Average Solves
Japan Open 2012
3x3x3 With Feet 3 51.63 53.49 52.7851.6356.05
Japan Open 2009
3x3x3 With Feet 2 1:56.22 2:13.07 2:38.311:56.222:04.68
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