US Open 2007

Jun 16 - 17, 2007
Chicago, Illinois, United States

Chicago Cultural Center

77 E. Randolph Street

Randolph Café

US Open 2007 website

US Open 2007 organization team

WCA Delegate
Tyson Mao (毛台勝)

Prelims will be on the 16th. Semi-finals and finals will be on the 17th.
Registration fee will be $10 plus $2 per main event and $2 for any and all side events. (10 base, add 2 for each
additional main event, add 2 if they're doing any side events). Participation in side events will be limited only to people
that pre-register.

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.

Ryan Patricio won with an average of 14.92 seconds in the 3x3x3 Cube event. Toby Mao (毛台立) finished second (15.16) and Jason Baum finished third (15.25).

World records: Chris Dzoan‎ 3x3x3 One-Handed 16.36 (single); Lars Vandenbergh‎ Square-1 24.59 (average); Leyan Lo‎ 3x3x3 Blindfolded 1:35.74 (average).

North American records: Bob Burton‎ Clock 18.19 (average); Bryan Logan‎ Pyraminx 21.32 (average); Grant Tregay‎ Megaminx 1:57.68 (single) and Megaminx 2:08.45 (average); Joshua Satterfield‎ Pyraminx 12.17 (single); Mitchell Stern‎ 2x2x2 Cube 5.77 (average); Rowe Hessler‎ 3x3x3 Multi-Blind 5/8 59:20 (single); Timothy Sun‎ Clock 14.49 (single).

Event Name Best Average Representing Solves
3x3x3 Cube Ryan Patricio 11.98 14.92 United States 18.6413.5315.0116.2211.98
2x2x2 Cube Mitchell Stern 4.95 5.77 NAR United States
4x4x4 Cube Leyan Lo 1:05.06 1:09.96 United States 1:13.931:07.511:05.061:28.521:08.45
5x5x5 Cube Matt Walter 2:03.28 NR 2:12.42 NR Canada 2:08.842:18.912:03.282:18.022:10.41
3x3x3 Blindfolded Leyan Lo 1:27.69 1:35.74 WR United States 1:27.691:47.771:31.75
3x3x3 Fewest Moves Daniel Lo 39 United States 39
Stefan Pochmann 39 NR Germany 39
3x3x3 One-Handed Chris Dzoan 19.78 23.85 United States 22.2328.6027.9621.3719.78
Clock Stefan Pochmann 10.03 11.92 Germany 10.0313.3912.34
Megaminx Stefan Pochmann 1:30.46 1:37.14 Germany 1:39.241:30.461:41.71
Pyraminx Lars Vandenbergh 8.74 NR 10.97 NR Belgium 8.7410.9311.8710.1014.31
Square-1 Lars Vandenbergh 23.32 24.59 WR Belgium 23.3223.7326.73
3x3x3 Multi-Blind Rowe Hessler 5/8 59:20 NAR United States 5/8 59:20
Magic Sven Gowal 1.56 1.65 NR Switzerland DNF1.621.701.621.56
Master Magic Bob Burton 3.06 3.50 United States 3.153.903.454.093.06
3x3x3 Multi-Blind Old Style Rowe Hessler 5/8 59:20 United States 5/8 59:20
Event Round Format Time limit Proceed
B Final Ao5
3x3x3 Cube First round Bo3
Second round Ao5
Final Ao5
2x2x2 Cube First round Bo3
Final Ao5
4x4x4 Cube First round Bo2
Final Ao5
5x5x5 Cube First round Bo2
Final Ao5
Qualification round Bo2
3x3x3 Blindfolded Final Bo3
3x3x3 Fewest Moves Final Bo1 1 hour
3x3x3 One-Handed First round Bo2
Final Ao5
Clock Final Mo3
Megaminx Final Mo3
Pyraminx Final Ao5
Square-1 Final Mo3
3x3x3 Multi-Blind Final Bo1 10:00.00 per cube, up to 60:00.00
Magic Final Ao5
Master Magic Final Ao5
3x3x3 Multi-Blind Old Style Final Bo1

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 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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