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Bridge Winners Profile for Hans van Staveren

Hans van Staveren
Hans van Staveren
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Basic Information

Member Since
Oct. 20, 2014
Last Seen
Feb. 4
Member Type
Bridge Director
about me

Reasonable player. Quite good director(EBL certified). Programmer, author of many bridge-related programs, among others BigDeal. Studied mathematics/CS at VU Amsterdam, mainly with professor Tanenbaum.

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Rosenblum 2018 will be first tournament where hands can be checked afterwards
Check the Orlando FAQ, second item. http://championships.worldbridge.org/orlandows18/faq I doubt this is frequently asked, but the info is there, although not totally understandable. Anyhow it states: Since the format of some events is not yet known (the number of entries is not final) the organisation produced ...
Rosenblum 2018 will be first tournament where hands can be checked afterwards
Just in case this was tongue in cheek and not just a remark, the documentation is in the same ZIP file as the programs.
WBF accepted proposal for proving honesty of organization
I understand that most people will be not so strict. Good security does not necessitate it. But for example the WBF and EBL try to keep the machine that generates the hands not connected. I respect that, and for sure do not want to force them to change the policy ...
WBF accepted proposal for proving honesty of organization
I will probably add this as an automatic option. However, apart from explaining this to the bridge world, my major issue is that it needs Internet connectivity. The computers I expect the software to run on should not be on the network. My current thought is to write the procedures ...
WBF accepted proposal for proving honesty of organization
All looks fine. Leaving me with this burning question: given that I am trying out some SciFi code on pretty reactionary guys, would they understand this? My post crossed your post. Sorry. I understand your explanation.
WBF accepted proposal for proving honesty of organization
Ok. This looks indeed fine for the DI. I did not know about this. Three questions: 1) Would using these for the session keys be safe? 2) Is there Perl sample code to automatically query this? 3) How can I say in advance which of the broadcasts I am going ...
Software for tournament organizer to prove honesty
Look for further: http://bridgewinners.com/article/view/wbf-accepted-proposal-for-proving-honesty-of-organization/
WBF accepted proposal for proving honesty of organization
The hands for this software actually come out of a slightly modified version of BigDeal. If you can crack BigDeal you can crack this. I do not think you can crack BigDeal.
WBF accepted proposal for proving honesty of organization
A first draft of the documentation appears here: https://www.dropbox.com/sh/guv798tyju3avv5/AADNMwCrKv0QvXa-KLUVDLkKa?dl=0 Any comments are welcome. Technical details will follow, software will follow. You are welcome to Email me at sater@xs4all.nl if you are dying for more info.
WBF accepted proposal for proving honesty of organization
I would be very careful with the "rigged for sure". As far as I know, most Tournament Organizers are honest blokes. If only because being honest is the most lazy option. Anyhow, with a bit of luck I will publish software and documentation in a couple of weeks.
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