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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。
8 @* j% ^9 Z9 y. h* f我们先引入下列符号:! K2 t- D: V b
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。
% `3 d7 N4 p8 s1 z& H: _即:P0=全场进0球的概率;P1=全场进1球的概率;……。9 s, f! z7 X! [/ D g+ ^5 D/ d8 ~
那么 ∑Pn=P0+P1+P2+……+Px=100%。
7 J' O: B/ n! F0 g) A1 CBo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。" R3 u" {& q+ R# ?
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。6 ], ~$ p3 e9 g7 K) w7 h
/ M1 d% {# E* `; W+ m
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。2 a* h3 v" _& E
在任意盘口G下,全场比赛会出现如下3个结果:
) l& D! G0 c( q* y I1:K>G 即出现我们通常所说的大球。, T) f/ F6 n2 y# c6 A. A% `0 K
2:K=G 即出现我们通常所说的走盘。/ B. F0 b/ s1 Q8 Z4 D
3:K<G 即出现我们通常所说的小球。- G/ h: ?$ x6 ]9 x% Z6 C
. j4 i5 ]+ r; V. C' W" y
那么在此盘口下投注大球的回报总数额为:3 I8 m. ?% a; A4 |# ~9 w/ X( v# r
D1:(K>G)={Bo* O 即赢盘获得与此盘口相对应赔率的回报。/ z5 _" E# K& h1 {# o4 Z7 M) M
D2:(K=G)={Bo 即走盘退回本金。6 M7 T7 f$ [% i7 L& A
D3:(K<G)={0 即输盘失去本金。
. n* @2 G# M9 b8 p7 \" B# K( h. h5 x
同理在此盘口下投注小球的回报总数额为:0 T2 q! m$ R1 ~! X
X1:(K>G)={0 即输盘失去本金。0 i2 h6 a4 Q* X g
X2:(K=G)={Bu 即走盘退回本金。& ?. v7 j o u; \1 B1 u
X3:(K<G)={Bu*U 即赢盘获得与此盘口相对应赔率的回报。' F0 X& c* m! m! `) Z
8 b& F) j6 R2 k- @) |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。+ _' I* a3 o6 Z) v- p) r+ O) W* X; @
& _7 I3 Z: a0 L3 G$ H3 ?5 t9 v1:大小球盘为2.5球(G=2.5)
5 `6 G5 f, O' F
- ^: |* y+ _' O; A# s9 F6 u5 j% s6 ]在大小球盘为2.5球时,投注大球的回报总数额为:
8 {$ z' p, f6 @1 w8 dK=0 D0=0
$ h9 w$ s O1 d& e5 `9 JK=1 D1=0
/ g" X' O+ \& s, r% y7 g+ P5 c( n& bK=2 D2=09 S' c( d. n( ~ m
K=3;4;....x D3+= {Bo* O , H. Q5 B2 |$ p) n( o5 W7 u
* Y1 d# ?/ [6 o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)
% Z/ C# p2 b/ F2 l; r( x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。, z7 N) E% I9 i6 A. ~
∑D=Bo* O*(1-P0-P1-P2)=Bo v% r5 F: s) g- F( F2 V$ ]
O*(1-P0-P1-P2)=1
' r: y$ w+ ^ \$ _4 _* I/ J 在此盘口下,大球的赔率为 O=1/(1-P0-P1-P2)
* \9 E& a; z- h0 z 或者表述为 O=1/∑Pn----------(这里n=3;4;……x)
. I7 [' U% y# j+ |& J/ P N4 L' M. J- C0 u5 H) U; H/ x m
在大小球盘为2.5球时,投注小球的回报总数额为:- F( P3 \% v2 T( K
K=0 X0=Bu*U * ?3 X! C8 a( R+ [! h3 N
K=1 X1=Bu*U
& B0 {& Y1 r P4 RK=2 X2=Bu*U
4 W5 ?4 V1 M) bK=3;4;....x X3+=0
/ W) D* A& z+ F3 n* x9 k& _1 z2 [, {7 ?! p
投注小球的期望回报总数为:∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U
1 K2 }: X0 q: g- [- ] N4 @# 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 p3 x3 c% P# |) Z) G2 j
∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U=Bu
/ Y# e* I. ]8 D& z# Q4 r2 R/ X U*(P0+P1+P2)=11 P# d7 D0 w( `% |2 Y- A
在此盘口下,小球的赔率为 U=1/(P0+P1+P2); I. U7 E4 {( e5 l
4 {9 M3 D- n* m1 {; B; s2:大小球盘为3球(G=3). ?. z1 _4 v: U1 x& k
! Z5 h! }6 p9 v, t! [& m在大小球盘为3球时,投注大球的回报总数额为:
" e {2 Z% [! ~6 Y* s$ eK=0 D0=0 ( J0 w4 |4 f4 I9 `& A/ j. J5 N
K=1 D1=0 J: ?. t% H6 _' J4 |' c
K=2 D2=0
1 g5 z! c: c, F1 m% B) R9 hK=3; D3= Bo/ O& U( U: j) p4 e& r5 a
K=4;5;....x D4+= {Bo* O & |! D9 K' S9 r4 U9 J' z5 j
& s8 b; m, N8 u. O投注大球的期望回报总数为:* v. b4 C& A2 i) T* z5 n
∑D=P3* Bo +Bo* O*(∑Pn-P0-P1-P2-P3)= P3* Bo +Bo* O*(1-P0-P1-P2-P3)
) u9 W9 @$ x- D3 |* Q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。
0 w/ S/ Q, x X$ t/ S! E ∑D=P3* Bo +Bo* O*(1-P0-P1-P2-P3)=Bo
# { S9 `+ Q$ m: F: n* ?% E P3+ O*(1-P0-P1-P2-P3)=1
% O' L+ i, e0 u$ Z: f2 ]. n1 }2 U' T 在此盘口下,大球的赔率为 O=(1-P3)/(1-P0-P1-P2-P3)
* d: [: n1 X9 F( }2 H 或者表述为 O=(1-P3)/∑Pn----------(这里n=4;5;……x)0 w. ~5 q9 J) |) \4 m' D
. Q0 z; h! J( W. M3 v( ]! H+ h" R
在大小球盘为3球时,投注小球的回报总数额为:% ?" w% h3 _3 p
K=0 X0=Bu*U % B, d" ?; h9 {) `
K=1 X1=Bu*U 2 N/ Y2 m9 w; e0 i
K=2 X2=Bu*U
1 E/ @: o: G# ]K=3 X3= Bu' i& Y; O7 L; O- w/ p
J=4;5;....x X4+=0 ^& Z' Z( D+ f1 L
9 U! B+ ?2 r3 q8 M5 J9 w
投注小球的期望回报总数为:∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu
9 i4 H, L7 h% v% d5 D' h/ c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 O! D0 u* y/ ~$ w5 ` ∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu =Bu
% u! k1 T7 J; A% e+ g U*(P0+P1+P2)+P3=1
3 K. U5 F0 {, y+ h* N- a& l4 `3 W- W 在此盘口下,小球的赔率为 U=(1-P3)/(P0+P1+P2)
4 Z. U' F+ D% g% I/ G0 [. m6 j. g0 L+ m! q* n/ ?; l
3:大小球盘为2.5/3球(G=2.5/3)+ m3 ?" w9 V! O& {. q9 S) C6 q, N" G
# X0 u l9 M( F' b9 ?' k! }
在大小球盘为2.5/3球时,投注大球的回报总数额为:
' u ^; |+ d) `5 }; vK=0 D0=0 ; X- `7 k4 Y4 o
K=1 D1=0
3 s0 R1 e! B3 l; TK=2 D2=0$ O) ~' C- F0 e0 W
K=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)
" b2 m+ F* ?1 E3 P" n' I6 EK=4;5;....x D4+= {Bo* O + k3 `+ ]% M% \) M. U: b1 O* ]
/ D! t( C$ e" {$ y2 j" `
投注大球的期望回报总数为:
) }& |+ c' ?/ U. @' G ∑D=P3* Bo/2 +P3* O*Bo/2+Bo* O*(∑Pn-P0-P1-P2-P3)1 N* h( }7 k' r; |
= P3* Bo/2 +P3* O* Bo/2+Bo* O*(1-P0-P1-P2-P3)% N V) h0 |9 D8 |/ ]* {
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。$ \; N9 u& P. k/ w" J7 ]3 G8 j
∑D=P3* Bo/2 +P3* O* Bo/2+Bo* O*(1-P0-P1-P2-P3)=Bo
+ ?$ M+ c J6 J- u P3/2+ O* P3/2+O*(1-P0-P1-P2-P3)=1% ?' g, N1 S5 T+ T) c
O*(1-P0-P1-P2-P3+ P3/2)=1- P3/2
8 a$ A1 j9 V* [' o1 h6 S! ] 在此盘口下,大球的赔率为 O=(1-P3/2)/(1-P0-P1-P2-P3/2) 8 Q8 M* m& N) g1 P
! V; Y9 |$ G# c* h
在大小球盘为2.5/3球时,投注小球的回报总数额为:4 p6 @1 f8 U& y8 v% R! ^/ V6 k& T- E+ {
K=0 X0=Bu*U
( v- |2 \* B }' s$ ]! H8 eK=1 X1=Bu*U
! e0 h+ W/ X3 w$ ~. k3 c) A! k: DK=2 X2=Bu*U ( m2 e' `$ g8 N: B* |: X' D1 |
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)/ i" A7 |. o% r U
J=4;5;....x X4+=0
* \+ R7 x6 |* x4 q2 b3 h1 E( Y1 t' K; ~: b4 i# B2 K# j4 |
投注小球的期望回报总数为:∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/22 q4 u- T8 B' r) _ a
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。
+ T1 B& {( U) _$ l6 E; h% @ ∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2 =Bu# Y& e) o6 Y9 P$ M/ j6 V h$ s% K5 e
U*(P0+P1+P2)+P3/2=1
$ P3 b% g5 \1 P! q1 _3 u: r* D; `/ U 在此盘口下,小球的赔率为 U=(1-P3/2)/(P0+P1+P2)
" ^2 g4 d: W- h6 g4 W( U% `
8 D% G/ Z5 f+ g4:大小球盘为3/3.5球(G=3/3.5)) r7 q- v- y$ X+ B! K
# B3 C1 ?& N/ `! v在大小球盘为3/3.5球时,投注大球的回报总数额为:- u$ o \/ n) ~2 ~! o
K=0 D0=0 ' _$ l N5 p- _: D0 \5 W+ g
K=1 D1=0
7 B8 ?7 n6 H: P+ o& p+ c0 v8 bK=2 D2=0: m0 M1 a. `# w- E
K=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)
( p) I& C1 w* ]- j! c8 c; w" nK=4;5;....x D4+= {Bo* O
) E( U9 w" f" b0 e* z) d! [! K! z1 h" c4 Q% w# }8 `3 a
投注大球的期望回报总数为:
+ p3 ~' c4 P" B1 u! D$ \8 U7 s ∑D=P3* Bo/2 + Bo* O*(∑Pn-P0-P1-P2-P3)! g* @; w! y: }: p# u+ e9 |
= P3* Bo/2 + Bo* O*(1-P0-P1-P2-P3)
! g1 Z1 M/ n6 C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 V5 [) N3 P4 y ∑D=P3* Bo/2 + Bo* O*(1-P0-P1-P2-P3)=Bo
; E1 }4 O, }- S P3/2+ O*(1-P0-P1-P2-P3)=1
. b0 N# U; J6 L$ | O*(1-P0-P1-P2-P3)=1- P3/2
# B, d/ I$ G" U1 ~; \ 在此盘口下,大球的赔率为 O=(1-P3/2)/(1-P0-P1-P2-P3)
! g/ k" e0 d! W6 x0 G* u8 B& y 或者表述为 O=(1-P3/2)/∑Pn----------(这里n=4;5;……x)/ y3 b+ H' V+ K* g
- u) s @/ {: ~3 S+ j7 c- g' r
在大小球盘为3/3.5球时,投注小球的回报总数额为:4 C Y: q: x9 X% G. \
K=0 X0=Bu*U
L; Q- y" W) p1 g+ lK=1 X1=Bu*U - B7 ^7 F* M9 m0 S* a3 N" N+ @
K=2 X2=Bu*U 1 t0 W& ]. n1 T# M
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)
. [& S9 c \6 F xJ=4;5;....x X4+=0
; k- h8 D Q7 X% k S$ k7 f) I" g% i0 i( [& y" B+ A4 U: X. a% Y
投注小球的期望回报总数为:. @6 R/ o$ ?- ?9 o; j3 J
∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2+ P3*U* Bu/2
4 o# E# \' g' b; l; b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。
% y6 t; V7 y7 K& U6 |5 K ∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2+ P3*U* Bu/2 =Bu
4 o9 G) {" s) Q% h U*(P0+P1+P2+ P3/2)+P3/2=1
) m; ]0 {/ \0 g3 C' g: b4 N 在此盘口下,小球的赔率为 U=(1-P3/2)/(P0+P1+P2+P3/2)- k0 O% @3 _% y/ c$ X* S3 n2 ~
1 H0 S0 _; Q1 j1 n" D; S: G$ }& N8 k8 Q- l3 E A& |3 O4 G& [$ W
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.6 V/ ^& A6 M* p2 B6 s, h
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!
8 N& r! ~, [& h: U8 A* M' B# _9 x* w* D
P0 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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