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 88 1613 4275 9.92 11.52 3225 1191 63
2x2x2 Cube 54 1611 5485 2.75 4.01 3270 973 39
4x4x4 Cube 93 2193 5259 48.30 52.47 4233 1769 86
5x5x5 Cube 40 570 1434 1:18.40 1:33.40 2051 832 49
6x6x6 Cube 29 504 1390 2:54.33 3:05.62 1361 501 30
7x7x7 Cube 35 525 1409 4:37.47 4:45.56 1278 481 30
3x3x3 Blindfolded 108 1139 2895 3:32.03
3x3x3 Fewest Moves 84 774 2689 43
3x3x3 One-Handed 40 1160 2831 17.27 22.17 3232 1369 44
3x3x3 With Feet 4 52 132 40.93 46.41 103 46 4
Clock 11 119 305 7.83 9.22 256 97 10
Megaminx 50 831 2391 1:30.31 1:37.32 2128 748 44
Pyraminx 29 572 1826 3.66 6.46 2527 881 44
Square-1 32 414 1433 18.44 25.66 1490 447 33

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 DNFDNFDNF
Kansai Open 2013 Final 3 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