Caltech Spring Open 2013

May 25, 2013
Pasadena, California, United States

California Institute of Technology

1200 E California Blvd

second floor of Winnett Lounge - see website for more details

Caltech Spring Open 2013 website

Michael Young

Michael Young
WCA Delegate
Michael Young

The cost of registration is $2n + 4, where n is the number of events, if registered before 5/18; otherwise, on-site registration is doubled. $1 will go to the WCA. See website for more information.

Main event
Registration requirements
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Phillip Espinoza won with an average of 10.15 seconds in the 3x3x3 Cube event. James Hamory finished second (10.18) and Riley Woo finished third (10.53).

Event Name Best Average Citizen of Solves
3x3x3 Cube Phillip Espinoza 9.34 10.15 United States 9.3412.729.9411.039.47
2x2x2 Cube Everett Kelly 2.58 3.40 United States 2.584.553.112.864.22
4x4x4 Cube Nathan Soria 39.86 47.10 United States 1:01.5939.8646.5949.0645.66
3x3x3 Blindfolded Riley Woo 54.96 DNF United States DNFDNF54.96
3x3x3 One-Handed Deven Nadudvari 14.63 16.77 United States 16.6922.0515.0814.6318.53
Pyraminx Nathan Soria 6.16 7.51 United States 7.309.566.168.536.71
Square-1 Takao Hashimoto (橋本貴夫) 14.94 15.67 Japan 15.8314.9415.9015.2817.47
Event Round Format Time limit Cutoff Proceed
3x3x3 Cube First round Ao5 10:00.00
Second round Ao5 10:00.00
Final Ao5 10:00.00
2x2x2 Cube First round Ao5 10:00.00
Final Ao5 10:00.00
4x4x4 Cube Final Bo2 / Ao5 10:00.00 2 attempts to get < 1:30.00
3x3x3 Blindfolded Final Bo3 10:00.00
3x3x3 One-Handed First round Ao5 10:00.00
Final Ao5 10:00.00
Pyraminx Final Ao5 10:00.00
Square-1 First round Bo2 / Ao5 10:00.00 2 attempts to get < 1:00.00
Final Ao5 10:00.00

Time limit

If you reach the time limit during your solve, the judge will stop you and your result will be DNF (see Regulation A1a4).


The result to beat to proceed to the second phase of a cutoff round (see Regulation 9g).


The format describes how to determine the ranking of competitors based on their results. The list of allowed formats per event is described in Regulation 9b. See Regulation 9f for a description of each format.

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