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大小球盘本质上就是与全场入球总数相关的盘口,计算它的依据就是进球数的概率。0 s/ ?' l/ N- Q
我们先引入下列符号:. H1 N4 j4 G+ d( Y5 N |" a9 W% z
Pn(n=0;1;……;x)表示在一场比赛中可能出现的各个进球数的概率。
" d+ j) `; ?: X8 h2 ]* {即:P0=全场进0球的概率;P1=全场进1球的概率;……。
0 h) G" @3 u( z- r那么 ∑Pn=P0+P1+P2+……+Px=100%。+ i: L3 ]& c8 h$ \* e
Bo表示大球的投注总数,D表示投注大球的回报总数额,O(Over)表示大球的赔率。, r- T& z! x, i2 w
Bu表示小球的投注总数,X表示投注小球的回报总数额,U(Under) 表示小球的赔率。0 l* @" V/ p6 T6 ~$ `, `
: i8 @! F( [# \! J3 @6 j0 a' D在一场比赛中,我们以G表示大小球的盘口(G为任意数);K表示全场入球总数的结果。
' V( R4 Z3 y0 ^; n- z在任意盘口G下,全场比赛会出现如下3个结果:
3 z( ^1 c8 Z h% H/ ^0 w1:K>G 即出现我们通常所说的大球。5 a9 k% B7 Z- `$ Z* c' @- J; j& ^; |" L
2:K=G 即出现我们通常所说的走盘。
6 B& @+ d5 I& w' A T3:K<G 即出现我们通常所说的小球。, i+ c8 B$ s+ y# m& n
* d- {/ k5 F( h
那么在此盘口下投注大球的回报总数额为:) D1 @/ Q5 f3 [9 ^ w" I
D1:(K>G)={Bo* O 即赢盘获得与此盘口相对应赔率的回报。
1 X T C9 O5 l' LD2:(K=G)={Bo 即走盘退回本金。( t( b3 A& `3 I! \
D3:(K<G)={0 即输盘失去本金。2 j6 L3 {3 l: Z$ }% f
. u+ T- e- L% |& E$ _1 F) ?& m同理在此盘口下投注小球的回报总数额为:
/ [/ T8 M6 }1 k5 _3 r% sX1:(K>G)={0 即输盘失去本金。
9 Q6 h% D0 W5 b, C1 WX2:(K=G)={Bu 即走盘退回本金。
W/ E+ s3 X0 E; P$ t- ]X3:(K<G)={Bu*U 即赢盘获得与此盘口相对应赔率的回报。: w9 O, E" ~! n# |# r
4 E/ j9 \8 h0 x5 Q2 V) b下面分别描述大小球盘为2.5球;2.5/3球;3球;3/3.5球时的大小球盘赔率计算方法,其余盘口可以由此类推。( B7 B& u7 ?& p+ a$ N/ `
2 r: a' [1 r( q5 X3 K+ e* u
1:大小球盘为2.5球(G=2.5)
* H5 N1 W: S+ W( y
. M- V8 ]% C1 e: d# S在大小球盘为2.5球时,投注大球的回报总数额为:) l/ _2 ^8 b3 c# o
K=0 D0=0 r3 W* C- |5 ^
K=1 D1=0
$ Y& Z) v! N" {- DK=2 D2=01 F" U3 ]( O: r
K=3;4;....x D3+= {Bo* O
* c. ?! J; m+ c# |9 d$ G
. l) W! `' ]6 W& i% y投注大球的期望回报总数为:∑D=Bo* O*(∑Pn-P0-P1-P2)=Bo* O*(1-P0-P1-P2)
* H4 g$ o4 p# |, v" U5 r在公平条件下,我们可以认为实际投注回报与期望投注回报相等。
8 h/ U/ X2 L2 A$ h" [, _4 {6 J2 b ∑D=Bo* O*(1-P0-P1-P2)=Bo
/ k7 I7 t0 E% ?6 t: ^& p- Y. D O*(1-P0-P1-P2)=1
0 l! D, \0 b/ }7 M @ 在此盘口下,大球的赔率为 O=1/(1-P0-P1-P2)
* b' y" K/ v& L* {& ~4 S: a# ]1 y 或者表述为 O=1/∑Pn----------(这里n=3;4;……x)
3 k: j& n- q+ z) E R$ ~# C3 h0 J* A
在大小球盘为2.5球时,投注小球的回报总数额为:
9 M" o) j& f: K1 bK=0 X0=Bu*U
9 z# J; W8 T# @/ C, |. k% s9 nK=1 X1=Bu*U
9 B" s/ V8 h4 n/ R( v9 TK=2 X2=Bu*U
/ ?- p/ d0 Y* {% i8 {( u$ v$ RK=3;4;....x X3+=0$ n) q3 ~5 r% I
3 A- D; U( O4 _( n: U投注小球的期望回报总数为:∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U( m4 q* V6 Q. G. o4 p3 |" U
在公平条件下,我们可以认为实际投注回报与期望投注回报相等。
3 K1 ?# v/ G; A3 v" d- l2 J4 \* f ∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U=Bu0 E& o% {' [0 L$ O$ T! D1 z
U*(P0+P1+P2)=1. Q, O) V g( Q' K2 X. P: A! i
在此盘口下,小球的赔率为 U=1/(P0+P1+P2)
; O, `$ |2 f; R9 ^- E
3 c5 W: M: H5 Y/ g7 I; Q2:大小球盘为3球(G=3)% s& ?7 H& t7 t" p$ K/ [
$ r0 N: H4 y, y& N1 |
在大小球盘为3球时,投注大球的回报总数额为: J' E2 X! l" C c( L
K=0 D0=0
; ^; z* S7 G# p5 a2 x3 r( F+ wK=1 D1=0
* k& H: `) L/ PK=2 D2=0' Y- G& X" [& I$ }7 r- @" Z
K=3; D3= Bo1 p0 T% ~. J; g/ A) h1 Q9 X5 L) k
K=4;5;....x D4+= {Bo* O
9 l, t% A4 C5 @3 J5 M: W. J* t( g4 d7 _3 _1 l
投注大球的期望回报总数为:
. h9 b+ U: v' V' }" T9 m' U∑D=P3* Bo +Bo* O*(∑Pn-P0-P1-P2-P3)= P3* Bo +Bo* O*(1-P0-P1-P2-P3)
7 Y' n/ | E' K' I- L/ q' z* n在公平条件下,我们可以认为实际投注回报与期望投注回报相等。7 u) a* T4 }5 N5 Q) [5 q
∑D=P3* Bo +Bo* O*(1-P0-P1-P2-P3)=Bo
X; W9 z& p- \2 @- y P3+ O*(1-P0-P1-P2-P3)=1
% f0 h u- j* g: Q% L3 s 在此盘口下,大球的赔率为 O=(1-P3)/(1-P0-P1-P2-P3)9 [9 \/ s4 c4 _$ b7 m
或者表述为 O=(1-P3)/∑Pn----------(这里n=4;5;……x)4 E! ]% g2 z; y# R/ P) i% ^
/ e' ?" T8 C: v2 H+ Z在大小球盘为3球时,投注小球的回报总数额为:
4 W. G- O5 y) q1 t: s! }3 oK=0 X0=Bu*U
& J j/ j5 o+ fK=1 X1=Bu*U ' v8 n5 G3 @/ O
K=2 X2=Bu*U
& x( ~1 R+ R L' l9 \ i5 }/ sK=3 X3= Bu
/ I& y7 L9 {9 \9 F: `- ? ?J=4;5;....x X4+=0, r# S- {* Z y
3 a: P* Y, L: S投注小球的期望回报总数为:∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu3 @% a+ A% _0 b7 ?7 I% e
在公平条件下,我们可以认为实际投注回报与期望投注回报相等。
, W5 @+ p5 [9 f- r. y+ } ∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu =Bu {/ `/ J1 y# _, l# b& s
U*(P0+P1+P2)+P3=1, ]+ h1 @9 ^/ M4 k
在此盘口下,小球的赔率为 U=(1-P3)/(P0+P1+P2)
2 ?1 ?7 P" z! \0 @4 `
7 U0 K# W7 Y2 k& q7 F& _3:大小球盘为2.5/3球(G=2.5/3)
- c6 K" Y! E1 U, k
% s1 k: t( u1 h( ?5 q在大小球盘为2.5/3球时,投注大球的回报总数额为:2 H7 k3 M+ D/ N( e# u. N
K=0 D0=0
+ e: w! Q' F" T( | @K=1 D1=0 4 ^# h( X, S2 @* l: G- m
K=2 D2=0
" L# q9 N* P9 A3 m' ~0 KK=3; D3= Bo/2+ O*Bo/2(即投注额的1/2在3球盘走盘; 投注额的1/2在2.5球盘赢盘)! [- B9 B( ^% C0 P& ?
K=4;5;....x D4+= {Bo* O / [' }, L$ s3 B- T' ~" C
- R* w/ h; @& E- e) b8 Q: m
投注大球的期望回报总数为:
, O6 K5 C0 ?, N ∑D=P3* Bo/2 +P3* O*Bo/2+Bo* O*(∑Pn-P0-P1-P2-P3)) }7 ]1 b) ]; Z9 B. J% c# n, G
= P3* Bo/2 +P3* O* Bo/2+Bo* O*(1-P0-P1-P2-P3)
k" `8 T2 i( n: W在公平条件下,我们可以认为实际投注回报与期望投注回报相等。
, k' }8 l* J' H8 n# Z: c# ~1 Q ∑D=P3* Bo/2 +P3* O* Bo/2+Bo* O*(1-P0-P1-P2-P3)=Bo" z& S( P& |; a& r" f! C
P3/2+ O* P3/2+O*(1-P0-P1-P2-P3)=1
- h; b; R! L8 n @% r/ A O*(1-P0-P1-P2-P3+ P3/2)=1- P3/2* e; z" T+ |% h3 b. c5 x3 y. B# R6 Y
在此盘口下,大球的赔率为 O=(1-P3/2)/(1-P0-P1-P2-P3/2) . B4 y2 B5 j& V8 H1 @
8 I4 W w; h( F, y& L" ]在大小球盘为2.5/3球时,投注小球的回报总数额为:7 Y: L2 \" f) C v8 F- M+ G+ |) [
K=0 X0=Bu*U 3 ]) ], T) C, [7 E) \- ^: p
K=1 X1=Bu*U # o* `- n$ E i0 W& n
K=2 X2=Bu*U 7 k# f7 k& q. G1 h
K=3 X3= Bu/2(即投注额的1/2在3球盘走盘; 投注额的1/2在2.5球盘输盘)
+ k N$ W' K3 x1 [J=4;5;....x X4+=06 ]" M/ m4 }# @& K
j$ p$ `- H! M6 N5 s& p2 y6 [投注小球的期望回报总数为:∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2
1 X- f, a5 `) W1 f在公平条件下,我们可以认为实际投注回报与期望投注回报相等。
9 s9 |! L) j5 q% A) W7 S( J- B; u& d ∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2 =Bu
' l0 A5 w# Q* g# O% S# a5 s. J$ Q U*(P0+P1+P2)+P3/2=1' t, z( l: D; @, y7 x
在此盘口下,小球的赔率为 U=(1-P3/2)/(P0+P1+P2)
0 Q4 l; G2 u7 B3 ~, R7 H( d: k; K, [4 H/ l! B' g2 k$ N
4:大小球盘为3/3.5球(G=3/3.5)3 l! d M$ ?8 M9 z+ z
" S: u, X& r0 ?; M$ x0 P在大小球盘为3/3.5球时,投注大球的回报总数额为:
. S0 u. f6 _: `- R* r X) l7 UK=0 D0=0 7 J* I/ b. C% U1 a- |5 c; ^
K=1 D1=0 : J/ J7 H, U8 Q# n; D5 X0 G% F# l
K=2 D2=0
, r+ k+ i. R# E" {; [6 z) [4 a& IK=3; D3= Bo/2(即投注额的1/2在3球盘走盘; 投注额的1/2在3.5球盘输盘): t6 f4 z9 ]+ v% u6 [* E+ t
K=4;5;....x D4+= {Bo* O ' h k: _; f H E5 n
! Y: O! K3 ^, r投注大球的期望回报总数为:
6 x5 R$ O# e! z' N3 _# x9 S ∑D=P3* Bo/2 + Bo* O*(∑Pn-P0-P1-P2-P3)
" v! V& p% h+ ?& _ = P3* Bo/2 + Bo* O*(1-P0-P1-P2-P3)
% g2 ^2 n. r/ w在公平条件下,我们可以认为实际投注回报与期望投注回报相等。
+ q9 A5 q5 n& g0 \5 F- n& { ∑D=P3* Bo/2 + Bo* O*(1-P0-P1-P2-P3)=Bo, O* K2 t6 e4 k! x+ j. G5 D
P3/2+ O*(1-P0-P1-P2-P3)=1
5 [5 ` Z$ E0 V& s; Q O*(1-P0-P1-P2-P3)=1- P3/2, e' _7 S& q) }7 ?1 O8 h* M3 L* {* \) \
在此盘口下,大球的赔率为 O=(1-P3/2)/(1-P0-P1-P2-P3)
+ M, G, m5 W5 d% b& `( d. B 或者表述为 O=(1-P3/2)/∑Pn----------(这里n=4;5;……x)! r9 |& @3 u9 I4 V
; |- @# y) l* g, z8 J6 x
在大小球盘为3/3.5球时,投注小球的回报总数额为:8 z/ L8 S6 P# q ~( x9 C" @3 o- t
K=0 X0=Bu*U
~3 {9 ^) Z; ^ \/ r7 S- G/ T9 z2 EK=1 X1=Bu*U 9 J/ M$ X* R: l# ^
K=2 X2=Bu*U . `2 G8 ~% j0 o' M; h/ _! v
K=3 X3= Bu/2+U* Bu/2(即投注额的1/2在3球盘走盘; 投注额的1/2在3.5球盘赢盘)
; _* C+ d* a y, @J=4;5;....x X4+=0
8 A: U8 z% [9 L6 o. t, _+ P, h# A& N7 U
投注小球的期望回报总数为:, H0 g7 S3 Q' S/ j1 v2 ?9 t
∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2+ P3*U* Bu/2
1 Q! v& E/ g# Y0 x- j在公平条件下,我们可以认为实际投注回报与期望投注回报相等。
; m) h8 i" k( @$ G! g& L ∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2+ P3*U* Bu/2 =Bu
( k5 ~0 t0 B$ U4 g6 ^ U*(P0+P1+P2+ P3/2)+P3/2=14 V4 {6 J8 q. p4 p H
在此盘口下,小球的赔率为 U=(1-P3/2)/(P0+P1+P2+P3/2)
! A# I# M6 w, n! K6 q+ q! R
- w+ m9 N& B- Z$ R8 E- p m. w' d/ P
一场足球比赛就是以主,客进球数最终是多少来体现其结果的.
0 X3 V4 [, K: ~' p. M0 n/ W# [大部分博项的赔率都可以通过进球概率这个基本数据实现互相转换!
7 k, K& g$ \' ` B; ]
8 b& C. I( }% Y* F1 ^0 K kP0 P1 P2 P3 P41可以由统计函数生成,也可以由开盘赔率计算得出,比如用波胆赔率计算。(这种方法计算出的Pn值有一定的偏差) |
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