I was attracted to Betfred casino as they are Casinomeister accredited and offered a good paytable on two of my favourite HiLo games: “Reel Deal” and “HiLo Gambler” under the “Games” section. Before depositing I played the games in play money mode for a few hours and they played like a completely fair game. However, on playing for real money my balance just kept going down and down and I never had a decent win to cashout. I asked my brother to take a look at my results as he studied maths at university. To be honest I don’t really understand much of the maths behind it so he has written the following:
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I have taken a look at the play history and it is pretty much undeniable that these games do not deal a fair game in real money mode. I have summarised the outcomes below:
Reel Deal
I have based this analysis on the selection “RED” as this is the bet placed most of the time. I have ordered the outcomes by frequency to highlight just how extreme the bias on the game is.
A BLACK 1713
9 BLACK 1705
5 BLACK 1698
3 BLACK 1667
7 BLACK 1659
Q BLACK 1632
4 RED 1591
K RED 1576
2 RED 1574
J RED 1572
6 RED 1486
8 RED 1483
Red: 9282, Black: 10074. p(Red) = 0.5. Probability of outcome this bad or worse: 0.000000006492 (1 in 154,028,680)
Hi Lo Gambler
2 586
3 559
4 513
5 554
6 515
7 476
8 535
9 556
J 569
Q 599
K 612
A 604
2-9: 4294, J-A: 2384. p(2-9) = 2/3. Probability of outcome this bad or worse: 0.000023817 (1 in 41,987)
The full play logs are available here:
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I have taken a screen recording of the entire play log directly from the website in case Betfred attempt to lock the account and deny these results are accurate.
I would invite others to analyse these results to confirm that these games are not fair and for Betfred to offer their logs for these two games to a third-party to analyse.
We then tested the play money games for several hours to see if they showed the same behaviour. We recorded all our sessions (and have about 9 hours of recorded play on file) until I realised there was actually a much simpler, conclusive proof that the play money mode cannot play in this way. If you inspect the request (using a tool like Firebug) you will see that the request made in fun play mode to the server is as follows:
Outdated URL (Invalid)
<funplayrequests signature="dca08939fa1049fde104cadbb034cd9fde10c9824dfe" site="BetFred" mode="FUN" game="REELDEAL">
<funplayrequest id="0" allowduplicates="true" count="1" rangehigh="12" rangelow="1" method="generaterandomnumbers" />
</funplayrequests>
The response comes back as follows and a “4” pops up on the screen (the low value of 1 corresponds to a 2 and 12 to an A):
<funplayrequests>
<randomnumbers id="0">3</randomnumbers>
</funplayrequests>
Note that this is a request to a shared random number generator and an identical request is made for every bet placed by the player in that session. This may seem unremarkable at first but notice that at no point in the request is the bet specified (Red/Black etc) – it is therefore impossible for the game to exhibit this behaviour in play money mode. The RNG simply has no knowledge of the bet placed (which is exactly how a fair game should behave). The RNG could be biased towards a particular number but it would be impossible to rig the game for every bet placed by the player as has been demonstrated for real play mode.
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Personally, I find the whole thing very misleading. The “Reel Deal” game looks like it offers good odds e.g. red/black both pay even money. It plays like a fair game in play money mode and even has a RTP of 100% listed in the help files.
It seems very unfair to rig the outcomes of a HiLo game depending on which bet the player has selected so that if a player picks 2-9, J-A will come up or if a player picks red then black will be more likely. I would never play at any casino or software that I knew had the ability to rig the games in a completely hidden way like this. Other casinos that want a lower payout for these games use a worse pay table which a player can see, for example at Bet365 Games the payout is 1.92x on the Red/Black outcomes rather than 2x.
This is not what I would have expected from an accredited casino and big high street name like Betfred. I hope that this was a genuine mistake by Betfred and that they will refund my losses on these rigged games. If not then this post will at least serve as a warning so other players know to avoid this casino.
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That would be really crazy & there would be no reason to play at all then! 
I'm sure you saw it yourself too. Recently we had a player make his second ever deposit, not a huge amount, start betting at 30p per spin and is now £5.8 million richer as a result. 
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