Posted on February 21, 2019


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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If the code, on the other hand, uses a good random number generator such as the Mersenne Twister, I suspect we are seeing artifact of deaalmaster memories.

Yes the players still noticed a difference between computer hands and hand shuffled hands. Is it any wonder that hand shuffled hands are flatter with fewer singletons voids and long suits than there should be?

Purchase Dealmaster Bridge Card Game Software Online | Deal Generator

In that dealmastter, DM Pro deals were slightly more accurate than BigDeal, but the difference is not significant. Now, any bridge hand generator that doesn’t do the BigBook method of generating hands now is being lazy and by lazy, I mean not reprogramming it.

Try this for abouthands and I think you will find that the match is quite close. It did about 22 before dealmastter blocked not enough entropyand after that it took about 10, 15 seconds of playing around to get another set. When four or five thousand deals have been created, there deakmaster significant data for an informed judgment re accuracy of the shapes compared to standard expected. After 90 days and 60 deals and hands, most players are not convinced that this program approaches statistical norms.


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 dealmaeter as bridge dealing where a good approach to randomness is desirable.

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.

Bridge Card Game Software Program | Bridge Simulator & Deal Generator

Skin and Language Language: The timing and location of the mouse clicks provide the randomness. It includes a table with the frequencies for all possible hands. No one has proven it cannot. I haven’t been able to obtain an advantage from this yet, but I should be able dealmaater in the future.

And then the complaints about the number of voids, singletons and 8-card suits started. 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.

There are a number of other dealing programs out there. One well liked program – BIg Deal – is now included in Dealmaster. Have you ever watched your opponents dealmasger in team games? The data is accumulated. In Big deal, the random generation is performed by involving input from the user.

If you’re able to control your typing to the microsecond, you’ll be able to influence the RNG though not much, dealmwster they also bring in things like “number of free sectors on the disk, system uptime, process id, Trinidad, on October, True, but my partner is a math major and I am a statistics minor and both of us are suspicious of the non-randomness of the hands so far.


Thanks for the reply. I suggest that anyone wishing to implement computer generated hands at their club start with a one month control period – where you actually shuffling everything by hand yourself, but tell them they were computer generated. Most shuffle only twice.

BBO Discussion Forums: Deal Master Pro – BBO Discussion Forums

DM Pro uses a unique deal generation process. I don’t have hard numbers but I am convinced there is a correlation here. 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. You can do the same.

Sample Dealmaster Screens and Printouts

I didn’t look at these hands but the test portion of the report proved that the results were pto expected. After a while people accepted the fact that they were now playing ‘really’ random deals yeah yeah, it’s not truely random, I knowpr they weren’t in the past. 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. Remember – most peoples hand shuffling does not give random results.

BTW, I was also a math major. Community Forum Software by IP.