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CATCH YOUR LUCK SHOW GENERATOR
CATCH YOUR LUCK SHOW MANUAL

Human brain is hard-wired for visual motion detection and predictive expedited muscle control that is called eye-hand coordination.

They’ve also ignored existing helpful consumer technology – a video recorder/player with still image function 🙂 Apparently it was thought that a fast changing pattern was next to impossible to determine. Examples: martial arts, fencing, fast-paced games like table tennis etc.

Humans are quite good at detecting patterns and cycles, even “random” ones and even non-existing ones 🙂 The designers of the game have ignored or underestimated this ability and also the human ability to rehearse and develop nearly automatic reaction to repeating complex patterns.

For instance, if a particular “X out of Y” number lottery draw contains subsequent numbers, some people cry “fraud” on the house – but the probability of such a subset being drawn is the same as any other.

CATCH YOUR LUCK SHOW GENERATOR

True- or good pseudo-random sequences occasionally contain “streaks” of the same value (if the generator allows it, congruential ones do not) or values close to each other – which is falsely seen by many as “non-randomness”. They were doctored to look random for a human, by making that frame “jump” a long distance on subsequent positions and never “stay” on one square.

The sequences, even if fixed, were not generated by a (P)RNG.

underestimating human eye-hand coordination skills. ignoring human’s brain ability to detect patterns and 3. trying to appeal to humans’ bad perception of randomness, 2. In my opinion, the fault lays square on the design: 1. I would expect a short linear feedback register at best. The article suggests that the original device was a fully hardware one (it says that “a PC” was added later). Maybe one of the five sequences was chosen at random before each “spin”, but I doubt it. In fact, I doubt there was any PRNG involved in the original design of the show’s device, unless you call this a PRNG.Īrticle says explicitly there were five fixed sequences of the “jumping frame” positions, however it does not elaborate on the sequences’ length, it looks like it was about 10-20. Even a mediocre 8-bit full-cycle PRNG would be next to impossible to memorize its sequence. 1980’s PRNGs were quite OK, even my ZX Spectrum had a full-cycle 16-bit congruential PRNG built into its BASIC interpreter. All of which degrades the design of the PRNG, which has led in the past to it being a little to predictable.įrom what the article says (and from a casual review of the show recordings on YouTube) it is doubtful that it was a – shockingly – bad PRNG fault. The big problem I’ve been told is the “House percentage” in that it’s supposed to pay at a constant rate compared to play, which also makes the Win payout rate much more constant, further the machine can not usually pay more than it holds in the win buffer and for some machines in non 24×7 venues, the amount that can be held in the machine is also limited by insurance rules.

CATCH YOUR LUCK SHOW MANUAL

In most cases the attacker has been able to obtain a machine and manual and work it out in the luxury of their own private space. Various Casino Games using machines have been hit over the years, some mechanical many electronic. Whilst this is the first known “TV” breaking of a “gaming PRNG” I’m not sure it was the first actual break.

Obviously not me as I don’t make comments that short unless they are “one liners”… Dave,īut whilst a small amount of luck was initialy required whilst he “learned the button”, from then it was not just physical skill it was also his ability to remember the sequences to work out quickly which one he was playing with.

Hmm another mysterious “clive robinson”… not the first time one has popped up.