6 w / 0 l / 0 c -> +11.28 m.u. (inv.39 m.u. -> 28.92% ROI)
DNB stands, for those who doesn't know, Draw No Bet, meaning that if the match ended in a draw in regular time the bet on 1 or 2 is cancelled. It is the same thing as AH 0 or AH 0:0.
Some bookies do not offer this kind of bet explicitly so I will show you some maths which will help you to get DNB manually. These computational formula will also help you to see if the bookie displays a correct DNB odd in case it offers such kind of bet.
Let's suppose you want to bet 1 on a match between A and B team (soccer). Total stack involved let it be S. The odds for 1 - O1 and for x - O2. So you will split S in S1 and S2, S1 - stack to bet on 1 and S2 stack to bet on x.
Initial equations:
S1 + S2 = S
S1 * O1 - S2 = P (profit in case the match ends in 1)
S2 * O2 - S1 = S (return of initial stack in case the match ends in x)
Computations:
S1 = S - S2
S2 * O2 - (S - S2) * O1 = S ->
S2 * O2 - S * O1 + S2 * O1 = S ->
S2 * (O1 + O2) - S * O1 = S ->
S2 * (O1 + O2) = S + S * O1 ->
S2 * (O1 + O2) = S * (1 + O1) ->
S2 = S * (1 + O1) / (O1 + O2) (final formula)
S1 = S - S2 ->
S1 = S - S * (1 + O1) / (O1 + O2) ->
S1 = S * (1 - (1 + O1) / (O1 + O2)) (final formula)
Knowing both S1 and S2, you can determine the profit in case the match ends in 1:
S1 * O1 - S2 * O2 = P
More than that, knowing the profit, you can determine easily the odd for DNB O(dnb):
O(dnb) = (S + P) / S ->
O(dnb) = 1 + (P / S) (final formula depending on S and P)
In case you want to compute O(dnb) no matter S and P, the formula will be:
O(dnb) = 1 + ((S1 * O1 - S2) / S) ->
O(dnb) = 1 + (S * (1 - (1 + O1) / (O1 + O2)) - S * ((1 + O1) / (O1 + O2)))) / S) ->
O(dnb) = 1 + (1 - (1 + O1) / (O1 + O2)) - ((1 + O1) / (O1 + O2)) ->
O(dnb) = 2 - 2 * ((1 + O1) / (O1 + O2)) ->
O(dnb) = 2 * (1 - (1 + O1) / (O1 + O2)) ->
O(dnb) = 2 * ((O1 + O2 - 1 - O1) / (O1 + O2)) ->
O(dnb) = 2 * (O2 - 1) / (O1 + O2) (final formula NOT depending on S and P)
The last one is the most important final formula from all.
These formula can be of course applied if you want to bet on team B using this kind of bet (DNB). Just change the O1 accordingly with the odd for 2...
I hope this article will help you to get the right decision in your betting activities. Good luck to you all!
Um bom ano para os Países Baixos sonharem alto
Acum 15 ore
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