Dutch Open 2005

Oct 16, 2005
Eindhoven, Netherlands


Kruisstraat 74, 5612 CJ Eindhoven
Dutch Open 2005 website
Organization team
Ron van Bruchem and Ton Dennenbroek
WCA Delegate
Ron van Bruchem

The Dutch Open 2005 will be held during Dutch Cube Day 2005. There will be plenty of opportunities to meet puzzle friends and to see, exchange and buy/sell puzzles. Entrance fee for Dutch Cube Day is 10 euro for NKC members, and 15 euro for guests. This includes coffee/tea/cake, refreshments and lunch.

Main event
Registration requirements
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Ron van Bruchem won with an average of 16.21 seconds in the 3x3x3 Cube event. Lars Vandenbergh finished second (16.29) and Jean Pons finished third (16.64).

World records: Alexander Ooms‎ Magic 1.48 (average); Jean Pons‎ 3x3x3 Cube 11.75 (single); Olivier Gaucher‎ 5x5x5 Cube 2:06.15 (average); Stefan Pochmann‎ Magic 1.23 (single) and Master Magic 3.36 (average).

Oceanian records: Jasmine Lee‎ 3x3x3 Cube 30.62 (single), 3x3x3 Cube 34.77 (average), Clock 27.64 (single), Clock 34.96 (average), Magic 3.98 (single), and Magic 4.33 (average).

European records: Frédérick Badie‎ 4x4x4 Cube 1:09.83 (average); Jean Pons‎ 3x3x3 Cube 13.62 (single) and 3x3x3 Blindfolded 3:28.06 (single); Olivier Gaucher‎ 5x5x5 Cube 1:53.40 (single); Stefan Pochmann‎ Master Magic 3.06 (single).

North American records: Bob Burton‎ Clock 24.12 (single), Clock 32.68 (average), Magic 1.28 (single), and Magic 1.66 (average).

Event Name Best Average Representing Solves
3x3x3 Cube Ron van Bruchem 13.54 NR 16.21 NR Netherlands 16.6815.0016.9513.5420.12
4x4x4 Cube Frédérick Badie 1:01.78 1:09.83 ER France 1:01.781:14.811:12.89
5x5x5 Cube Olivier Gaucher 1:53.40 ER 2:06.15 WR France 1:53.401:59.212:25.83
3x3x3 Blindfolded Jean Pons 3:28.06 ER France 4:37.483:28.06
Clock Stefan Pochmann 10.13 11.99 Germany 15.6510.1310.18
Square-1 Lars Vandenbergh 30.17 35.32 Belgium 30.1736.3939.40
Magic Alexander Ooms 1.32 NR 1.48 WR Netherlands DNF1.511.441.501.32
Master Magic Stefan Pochmann 3.06 ER 3.36 WR Germany 4.183.533.063.283.28
3x3x3 Multi-Blind Old Style Thomas Kohn 3/4 1:20:16 Germany 3/4 1:20:16
Event Round Format Time limit Cutoff Proceed
3x3x3 Cube First round Ao5
Final Ao5
4x4x4 Cube Final Bo1 / Mo3 1 attempt to get < 1:25.13
5x5x5 Cube Final Bo1 / Mo3 1 attempt to get < 4:17.16
3x3x3 Blindfolded Final Bo2
Clock Final Mo3
Square-1 Final Mo3
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 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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