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Bridge Winners Profile for Han Peters

Han Peters
Han Peters
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Basic Information

Member Since
Nov. 1, 2010
Last Seen
8 hours ago
Member Type
Bridge Player
about me

During daytime I am a theoretical mathematician, working at the University of Amsterdam. I live in Amsterdam with Meike Wortel and our 1-year old son Lars. 

I learned to play bridge in the United States; first in Michigan, and later on BBO. I've been back in the Netherlands since 2009, apart from some time spent in Oslo. 

I currently play in the Dutch league for Witte Huis 3, and we just promoted to the highest division. From what I hear 't Ontstein is quite scared already.


Bridge Information

Bridge Accomplishments
To Be Achieved
Regular Bridge Partners
Leon Jacobs
Member of Bridge Club(s)
HOK, Het Witte Huis
Favorite Tournaments
Dutch teams league
Favorite Conventions
The squeeze
BBO Username
ACBL Ranking
Life Master
Sorry, this user has no cards yet.
ATB - doubled partial score made
I would open this 10-count and force to game on this 12-count.
The Big Picture
I would not describe the double of 1NT as "some penalty interest", but as a takeout double of hearts. Interested in what others play.
Bidding Question: NMF
How do I install bridgebase on my Commodore 64?
The Real Danger
Responder holding 10-11 HCP, 10,000 hands: 4S wins 0.73 imps on average 4S made 4344 times 3NT made 4191 times Quite similar results.
The Real Danger
Redid the simulation with 10.000 hands, again with responder having 11-13 HCP, now also asking how often each contract is made: 4S wins on average 0.81 imps 4S makes 6793 times 3NT makes 6630 times It seems that frequent 1-imp wins are the main reason for the 0 ...
The Real Danger
Opener has KQJ3 32 AKQ2 432. Responder has 4333 with four spades and with 11-13 hcp.
The Real Danger
Since opener had KQJ of spades the assumption that responder had no intermediates in spades seemed irrelevant, so I dropped it. I first have opener just 4-3-3-3 shape with 11-13 HCP. I then wondered if the extra strength requirement made a significant impact. It doesn't seem to be the ...
The Real Danger
I admit that that is a better example. Playing in 4S opposite the type of hand you described (4333 weak in spades intermediate and some extra strength) is clearly better than playing in 3NT. Double dummy analysis (1000 hands) suggests it wins about 0.75 imps per hand on average ...
The Real Danger
12 cards, typical!
The Real Danger
Could you give an example of a typical very suit oriented hand?

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