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 101 1952 5150 9.92 11.52 3922 1469 71
2x2x2 Cube 56 1942 6479 2.75 4.01 3939 1195 40
4x4x4 Cube 99 2618 6346 48.30 52.47 5094 2113 91
5x5x5 Cube 46 709 1808 1:18.40 1:33.40 2567 1025 58
6x6x6 Cube 33 637 1765 2:54.33 3:05.62 1730 637 34
7x7x7 Cube 38 690 1847 4:37.47 4:45.56 1687 633 33
3x3x3 Blindfolded 118 1291 3277 3:32.03
3x3x3 Fewest Moves 88 883 3085 43
3x3x3 One-Handed 43 1390 3393 17.27 22.17 3835 1626 47
3x3x3 With Feet 4 62 173 40.93 46.41 130 54 4
Clock 12 133 373 7.83 9.22 313 113 12
Megaminx 58 1013 2923 1:30.31 1:37.32 2616 914 53
Pyraminx 31 692 2235 3.66 6.46 3011 1058 47
Square-1 35 499 1706 18.44 25.66 1775 531 35

Medal Collection

Gold Silver Bronze
1 7 5
Competition Round Place Single Average Solves
3x3x3 Cube
UT Open 2015 Second 18 12.25 13.53 13.5312.7118.3614.3612.25
First 26 11.53 15.08 11.5317.6315.4414.9714.83
World Rubik's Cube Championship 2015 Second 77 11.57 13.35 13.9113.6611.5714.4612.48
First 104 12.92 14.42 14.2114.9314.1312.9216.16
Tokyo Pyraminx Open 2015 First 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 10 13.97 15.05 16.5514.1613.9714.4716.53
First 9 11.09 12.83 13.1112.5812.8117.5011.09
Kaohsiung Summer Open 2014 Second 16 11.47 14.38 18.9114.6111.4713.9014.63
First 15 12.79 14.06 14.4513.6514.0812.7917.10
Hsinchu Spring Open 2014 Second 11 9.92 12.35 15.9113.299.9211.0112.76
First 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 7 10.68 11.52 11.5910.6812.1813.3810.80
First 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 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 13 13.05 14.82 15.7516.4713.5915.1113.05
Japan Open 2012 Second 19 12.69 14.38 14.5817.0913.6612.6914.90
First 17 12.03 14.07 14.7113.9626.5813.5512.03
Cube Camp in Kanazawa 2012 Second 11 10.53 12.53 20.9313.7810.5311.9011.91
First 13 12.77 13.65 14.4612.7713.2113.4714.27
Kawasaki Open 2012 First 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 14 13.47 14.43 14.9113.5913.4715.0514.78
First 14 14.36 15.02 14.7215.2716.5815.0814.36
Matsudo Spring 2012 Second 20 13.86 15.97 17.5616.2817.9014.0813.86
First 18 13.53 14.41 14.9114.0514.2717.6613.53
Tsukuba 2012 Second 16 10.71 14.37 15.1315.4313.9414.0510.71
First 14 11.83 14.37 16.2816.7113.1511.8313.68
UT Open 2011 Combined First 15 13.03 14.17 19.6813.0313.1814.5814.75
Matsudo Autumn 2011 First 19 12.84 16.71 18.0312.8415.7716.8417.52
Japan Open 2009 First 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 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 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 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 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 7 2.78 4.71 4.662.783.755.935.72
First 9 4.18 4.75 5.114.934.189.964.21
Tsukuba 2012 First 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 70 51.60 55.77 1:00.0553.3956.6557.2651.60
Combined First 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
Combined First 9 52.81 58.87 1:13.8858.211:04.5252.8153.88
Kaohsiung Summer Open 2014 Combined First 13 48.97 53.49 54.83DNF52.3848.9753.27
Hsinchu Spring Open 2014 Combined First 14 52.91 58.07 59.531:00.331:05.2952.9154.34
UT Open 2013 First 11 53.41 1:01.91 1:08.301:02.111:05.1658.4653.41
Japan Contest 2012 Second 9 51.34 57.87 1:02.1851.341:05.5355.7155.72
First 9 54.22 58.90 57.1554.2258.431:01.131:06.28
Japan Open 2012 First 17 52.52 57.35 52.5257.6855.5858.7858.81
Cube Camp in Kanazawa 2012 First 20 1:01.00 1:04.11 1:02.911:06.831:18.271:01.001:02.58
Kawasaki Open 2012 First 9 50.28 55.71 54.5957.6555.0850.2857.47
Matsudo Spring 2012 Second 22 1:02.52 1:08.74 1:13.971:02.521:12.461:07.271:06.50
First 23 59.81 1:07.40 1:07.4159.811:19.461:02.131:12.65
Tsukuba 2012 First 17 59.16 1:03.54 1:00.811:06.031:04.341:05.4759.16
UT Open 2011 Combined Final 22 1:03.90 1:08.49 1:16.581:05.661:03.901:08.471:11.33
Matsudo Autumn 2011 First 11 59.55 1:02.66 1:02.1659.551:00.831:10.211:05.00
5x5x5 Cube
World Rubik's Cube Championship 2015 Combined First 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
Combined First 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
Combined First 6 1:29.44 1:34.06 1:31.051:29.441:36.441:34.681:39.33
Hsinchu Spring Open 2014 Combined First 7 1:25.76 1:37.09 1:41.991:35.291:42.801:34.001:25.76
Kansai Open 2013 Second 11 1:30.83 1:35.49 1:37.001:31.961:30.831:37.501:42.47
Combined First 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 6 1:30.02 1:35.29 1:42.471:33.131:39.031:30.021:33.72
First 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 10 1:37.02 1:40.91 1:37.611:39.861:52.361:37.021:45.27
Cube Camp in Kanazawa 2012 First 29 1:50.30 DNF 1:50.302:04.27DNSDNSDNS
East Japan Big Cubes 2012 Second 9 1:42.31 1:51.43 1:57.441:49.551:42.311:58.091:47.30
First 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 6 1:40.22 1:45.21 1:50.661:44.271:40.221:40.691:58.13
Matsudo Spring 2012 Second 11 1:39.22 1:53.66 1:39.221:42.801:52.282:05.902:09.15
First 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 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 Combined 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 10 DNF DNF DNFDNFDNF
Cube Camp in Kanazawa 2012 First 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 17 DNF DNF DNFDNFDNF
Kansai Open 2012 Final 13 DNF DNF DNFDNFDNS
Waseda Brain Challenge 2012 First 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 59 23.82 26.49 23.8225.3627.3026.8027.48
Combined First 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 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
Combined First 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
Combined First 7 20.92 22.17 21.6327.2520.9223.0321.86
Japan Contest 2012 Second 9 18.40 25.66 29.8825.1128.7718.4023.11
First 9 21.77 25.43 21.7725.6127.1526.9423.75
Japan Open 2012 First 13 18.27 22.86 24.6318.2723.0226.1120.93
Cube Camp in Kanazawa 2012 First 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 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 Combined Final 9 19.93 25.02 23.2533.0019.9323.4128.40
3x3x3 With Feet
World Rubik's Cube Championship 2015 Final 9 57.52 1:04.72 57.521:13.061:03.57
Combined First 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 Combined 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
Clock
World Rubik's Cube Championship 2015 Combined First 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
Combined First 5 10.16 11.13 10.8612.0210.5010.16DNF
Kansai Open 2013 Combined Final 2 8.21 10.24 10.098.2110.949.68DNF
Megaminx
World Rubik's Cube Championship 2015 Combined First 45 1:43.38 1:51.39 1:54.251:53.052:04.531:46.861:43.38
Kansai Open 2013 Combined 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 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 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 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 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
Combined First 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
Combined First 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 Combined First 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

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