Caltech Winter Open 2015

Feb 21, 2015
Pasadena, California, United States

California Institute of Technology

330 S Holliston Avenue, Pasadena, California 91125

Annenberg Center, room 105. See website for more details.

Caltech Winter Open 2015 website

Xi Xu

Xi Xu
WCA Delegates
James Hamory and Michael Young

The cost of registration is $10 if you are doing four or fewer events, and $15 if you are doing five or more events. If you do not pre-register online by Feb 16th, the fee will be doubled. If you are a Caltech student, just show your student ID and the registration fee will be waived. $1 per competitor goes to the WCA.

Main event
Registration requirements
This competition is over, click here to display the registration requirements it used.
Click here to display the highlights of the competition.

Everett Kelly won with an average of 9.93 seconds in the 3x3x3 Cube event. Shane Grogan finished second (10.15) and James Hamory finished third (10.30).

Event Name Best Average Citizen of Solves
3x3x3 Cube Everett Kelly 8.15 9.93 United States 8.9815.2111.528.159.29
2x2x2 Cube Everett Kelly 2.35 2.76 United States 2.385.172.902.353.01
4x4x4 Cube Nathan Soria 35.62 38.59 United States 37.7237.1840.8643.3735.62
3x3x3 Blindfolded Michael Young 1:38.47 DNF United States 2:16.241:38.47DNF
3x3x3 One-Handed Nathan Soria 13.26 16.70 United States 19.9016.2913.2616.8116.99
Pyraminx Everett Kelly 4.45 5.22 United States 5.597.664.455.294.79
Skewb Nathan Soria 3.87 4.32 United States 4.434.564.374.173.87
Square-1 Thomas Valles 16.07 18.52 United States 18.0733.3019.0716.0718.41
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 < 1:10.00
3x3x3 Blindfolded Final Bo3 10:00.00
3x3x3 One-Handed First round Bo2 / Ao5 10:00.00 2 attempts to get < 1:00.00
Final Ao5 10:00.00
Pyraminx Final Ao5 10:00.00
Skewb Final Ao5 10:00.00
Square-1 Final Bo2 / Ao5 10:00.00 2 attempts to get < 45.00

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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