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All comments by Ping Hu
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Yes, you guessed right.
Oct. 2, 2017
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After I published that post I had a chance to collaborate with Jay Whipple to run this rating system for the Commongame. It has been more than two years. The highest rating is 2600+. For most frequent players their rating usually stabilize after 200 boards. This is what you would expected. The data also proved there are many different levels in player abilities than just 3 strata A, B and C.

Here is a link to the commongame
http://thecommongame.com/PingHu/PingHuRating.html
Oct. 1, 2017
Ping Hu edited this comment Oct. 1, 2017
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See my post from the following link.
http://bridgewinners.com/article/view/an-elo-rating-system-for-bridge/
Oct. 1, 2017
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One of the possible solution is to have a structure like chess where it divides group by strength/class rather than fixed bracket size, but allow lower group team to play up.

For tournament, get rid of current regional/section hierarchy and replace it with open tournaments. It could be jointly organize by two or three district. We need more Gatlinburg. For tournament that does not attract players, just let it die.
Sept. 26, 2017
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This hand came up from NAP district final last Saturday. I had West hand. After pd X, I thought my hand worth to bid twice so I bid 2 and plan to bid if I have another turn. Partner's 2 only promise 5+ by our agreement. I know at that point we should have a game. Is it NT or ? I bid 3 and did not expect partner to pass which he did. We ended up with 0 on this board although we still manage to qualify at the end.

I agree with most of you E is better to overall 1 instead of X. However after West 2, East could bid 2NT that is more descriptive than 2 (you have triple stopper in and partner has ). NT will likely make the same number of tricks as even you have a fit. If is up to partner to decide if he could raise it to 3N.
Sept. 26, 2017
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How about making all restricted NABC+ event open but creating stratum for woman, mixed and senior?
Sept. 14, 2017
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This is the problem of having rules to allow/disallow bids rather than ensure full disclosure. In chess game it never forbids any moves (there were some illegal moved but rules are simple). If a player makes an innovative move, opponent just have to use time to find best counter move.
Sept. 7, 2017
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I like the better definition of “natural”. The new “quasi-natural” concept does not solve any problem.

The key issue with new rules is it should improve disclosure of partnership agreement rather than simply disallow certain bids.

A 1 or 1 opening with 3 cards just show it has a hand that could open, it does not show its best suit. Under current definition, “a convention is a bid or call that, by agreement, conveys a meaning not necessarily related to the denomination named…”. Most of 1/1 bids denies 5 card major and balanced hands fall out of their 1N or 2N open. So the “agreement” is much more than just showing 3+ card in the suit. It is conventional.
Sept. 6, 2017
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Woolsey is 26. 25 has big names like Steve Garner and Howard Weinstein.
July 27, 2017
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They beat #25 to became #25.
July 26, 2017
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You are right. I guess we need some additional agreement after 4NT-5NT. After this sequence opener usually should bid 7 directly. If he bids 6, it asks responder to bid 7 with A. Same as 6 of other suit.
July 22, 2017
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Another approach is to open ACOL 4NT asking for specific Aces. If partner has A, bid 7, otherwise bid 6 (you still have 50% chance to make 6 if club is 1-1).
July 22, 2017
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The simple answer is players want to get masterpoints. A bracket KO could cost $400+ per team if it reaches finals.
July 3, 2017
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Bracket in bridge is more like chess tournament. The idea is have teams with similar strength to play in the same group. In chess this is done with chess rating and limit higher rated players to player in their own class. However players are usually allowed to enter group one level higher.

In bridge we don't have a rating system so brackets are determined by team average masterpoints. The problem is before the game you don't know how many brackets there will be and how they are going to be divided. In chess tournament you know what class you are play when you buy the entry.
July 3, 2017
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In a recent regional bracketed Swiss team one team ask TD to put them in a higher bracket. After the brackets came out the TD switched this team with one team from a higher bracket.

So TD has a lot of power in determining brackets.
July 2, 2017
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Eric,

Here is an example for 2012 Fall NABC
http://www.acbl.org/tournaments_page/nabcs/past-nabcs/san-francisco-2012/

Click on Recaps on each day to get results. Click on Hand Records to get hand records. Be aware there is another link to hand records for NABC+ events.
May 23, 2017
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There are some ways to filter commongame results for strong players. If you are interested, send me a private message.

You could also find ACBL tournament game from live.acbl.org. There is also an API gateway to retrieve game data including hand records for programmers.
May 22, 2017
Ping Hu edited this comment May 22, 2017
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How many total tricks are there on this hand? If there are 20, I should bid 5, otherwise I should double. Opponents is weak side with E passed hand and W preempt. If partner don't have support there may not be 20 total tricks. The flip side is we are likely to have two defensive tricks in . Opener should have at least 2 defensive tricks. So the percentage seems to be double.
May 1, 2017
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