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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Generate a Hand Record

Try this for abouthands and I think you will find that the match is quite close. Most shuffle only twice. I haven’t been able to rpo an advantage from this yet, but I should be able to in the future.

Every time DM Pro deals are generated for club play, the user is invited to print a statistical summary.

BTW, I was also a math major. 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. A document describing the process is available by emailing dealmaster at dealmaster.

It includes a table with the frequencies for all possible hands. 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? DM Pro uses a unique deal generation process. Finally, we believe DM Pro can create every possible bridge deal. That ended the controversy. 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.

Generate a Hand Record « Palo Alto Bridge

No one has proven it cannot. Looking at some of the next hands where north did not hold the club 5, I’ve also noticed a very high percentage of hands where north holds an approximate club 5, for example the club 3, 4 or 6. 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.


For example, noticing that north has held the club 5 for 4 or more hands in a row, I’ve started to expect north to hold dealmasetr club 5 again on the next hand. In the front end by Kaj Backas, one needs to click a number of times with the mouse. Most players wouldn’t be able to evaluate “statistical norms” to save their life. One well liked program – BIg Deal – is now included in Dealmaster.

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. 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. Skin and Language Language: 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.

That requires a not so standard PC. If you’re able to control your typing to the microsecond, you’ll be able to influence the RNG though not much, because they also bring in things like “number of free sectors on the ddealmaster, system uptime, process id, PrecisionL, on Oro, The data shows no bias toward excessive voids or singletons.

The above mentioned data prove its effectiveness. Oh, and the entropy-generators do handle “suspiciously repetitive same key typing” – i.


Given that the number of bridge deals is a little less than 2 96one would need a 96 bit Mersenne Twister. The program seems to function properly most of the time and then can go completely nuts all of a sudden. Delete From Topic The post will be removed from this topic completely. Then let all the superstitious people with selective memory about voids and such come out and complain and make fools of themselves before you actually switch.

The data dealmastter accumulated. I don’t have hard numbers but I deallmaster convinced there is a correlation here. I must admit that there were more wild distributions, but I don’t really care. And then the complaints about the number of voids, singletons and 8-card suits started.

Is it any wonder that hand shuffled hands are flatter with fewer singletons voids and long suits than there should be? I suggest that anyone wishing to implement computer generated hands at their club realmaster with a one month control period – where you actually shuffling everything by hand yourself, but tell them they were computer generated.

All platforms have something realmaster for generating entropy and cryptographically-secure random numbers for seeds and such.

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 selective memories.

Have you ever watched your opponents shuffle in team games? Yes the players still noticed a difference between computer hands and hand shuffled hands.

I’m sure if I was playing FreeDoom in another window, it would have gone faster: