Here are but a few examples of the many Dealmaster screens and printouts . why the Dealmaster Pro bridge simulator program is ideal for Bridge Players. Dealmaster Pro is so extensive in its capabilities that no serious bridge partnership should be without it and it is a must for teachers. You can restrict the dealing.

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For example, noticing that north has held the club 5 for 4 or more hands in a row, I’ve started to expect cealmaster to hold the club 5 again on the next hand. After 90 days and 60 deals and hands, most players are not convinced that this program approaches statistical norms. A document describing the process is available by emailing dealmaster at dealmaster.

Generate a Hand Record

dealmastrr In Big deal, the random generation is performed by involving input from the user. Trinidad, on October, Yes the players still noticed dealmastsr difference between computer hands and hand shuffled hands. Finally, we believe DM Pro can create every possible bridge deal.

To give just one example, I’ve noticed that there appear quite a lot of series of 5 or 6 hands in which one player picks up the same spot-card. One well liked program – BIg Deal – is now included in Dealmaster.

The timing and location of the mouse clicks provide the randomness. No one has proven it cannot. I suggest that anyone wishing to implement computer generated hands at their club start dealmasteer a one month control period – where you actually shuffling everything by hand yourself, but tell them they were computer generated.

Customer Support For Dealmaster Bridge Card Game Software & Simulator

There are a number of other dealing programs out there. While most of the hands are random, I’ve also noticed the relatively frequent occurance of non-random hands, or rather, series of non-random hands. I realize that physical security is even now more of a danger than cryptanalysis, but we should be able to see the “set bits” and the BigBook “page” for every hand generated, on the hand records. Try this for abouthands ddealmaster I think you will find that the match is quite close.


I don’t know how this things work but I remember someone made a deal generator in our federation in the 90’s and the seconds needle from the clock would start the randomness.

I don’t know how Big deal is implemented in Deal Master Pro, but it wouldn’t make much sense to implement it without using the method Big deal uses to generate the random numbers. Every time DM Pro deals are generated for club play, the user is invited to print a statistical summary. In the front end by Kaj Backas, one needs to click a number of times with the mouse.

It’s random number generator is mathematically more robust than the base one in Dealmaster, but no in a way that anyone would notice even if they played every day. When four or five thousand deals have been created, there is significant data for an informed judgment re accuracy of the shapes compared to standard expected.

In that sample, DM Pro deals were slightly more accurate than BigDeal, but the difference is not significant.

Sample Dealmaster Bridge Simulator Software Screens and Printouts

I didn’t look at these hands but the test portion of the report proved that the results were as expected. That requires a not so standard PC. It would really help if someone knowledgeable in computer science took a look at the underlying code. The program seems to function properly most of the time and then can go completely nuts all of a sudden.

Thanks for the reply. And then the complaints about the number dealmxster voids, singletons and 8-card suits started.


Community Forum Software by IP. Delete From Topic The post will be removed from this topic completely. Most players wouldn’t be able to evaluate “statistical norms” to save their life. BTW, I was also dfalmaster math major. Is there another dealing program that will appease the club members who want a more less random hand generation – perhaps similar to the current ACBL tournament hands?

The data is accumulated. I’m sure if I was playing FreeDoom in another window, it would dealmatser gone faster: Oh, and the entropy-generators do handle “suspiciously repetitive same key typing” – i.

You can do the same. Time to get over it If someone feels a specific program is being less than random, there must be ways of checking for flaws and fixing them if found.

I don’t have hard numbers but I am convinced there is a correlation here. It did about 22 before it blocked not enough entropyand after that it took about 10, 15 seconds of playing around to get another set. Most shuffle pgo twice. Remember – most peoples hand shuffling does not give random results. Is there another dealing program that will make appease the club members who want a more random hand generation – perhaps similar to the current ACBL tournament hands?

All platforms have something dewlmaster for generating entropy and cryptographically-secure random numbers for seeds and such. If the code, for example, uses the standard C library random number generator, these complaints are likely valid–it is a very poor random number generator intended for quick “randomish” values for testing–no one should use it for serious simulations such as bridge dealing where a good approach to randomness is desirable.