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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。3 Y- \$ s! c7 \9 G' [' y" J, m
我们先引入下列符号:
- b: e5 y s5 g; cPn(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。% ^# r1 E$ `+ l' V9 A( z
即:P0=全场进0球的概率;P1=全场进1球的概率;……。
4 U% G& r8 s! M5 k8 L$ M4 h6 l那么 ∑Pn=P0+P1+P2+……+Px=100%。
' S6 f/ B3 U' Y. `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。
; j& `% J8 l5 l- k; W0 WBu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 f" f, F- @$ t |" A) o0 W0 h3 G- G$ u
% B/ V6 x0 _5 n; D4 k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。9 F- I: {/ Z* {( m9 f5 p g
在任意盘口G下,全场比赛会出现如下3个结果:
+ l L7 ]) b/ o' A) C1:K>G 即出现我们通常所说的大球。- A: V! w* ]9 f$ W y7 K7 G7 {
2:K=G 即出现我们通常所说的走盘。
& ~. o+ p6 @) O/ b" c4 R( b3:K<G 即出现我们通常所说的小球。, R7 j1 O u7 S; v# W3 x
2 S2 h. z6 H& F. O1 v- ^7 g那么在此盘口下投注大球的回报总数额为:
- Q) J5 N+ n3 m& d8 e. j! [8 r5 r- WD1:(K>G)={Bo* O 即赢盘获得与此盘口相对应赔率的回报。) A1 W# F. @6 U `5 h
D2:(K=G)={Bo 即走盘退回本金。
% H+ p/ n" y8 }* }9 QD3:(K<G)={0 即输盘失去本金。' @3 ~ A0 q. M5 W3 A
' ^: N; |$ T+ X) l; r
同理在此盘口下投注小球的回报总数额为:2 L% H! u: g9 ?3 V' t$ R$ G1 k8 a# q! Y
X1:(K>G)={0 即输盘失去本金。' O% S4 v) \, d) h- w5 }
X2:(K=G)={Bu 即走盘退回本金。) y: t& I& ~4 F" q7 F/ G
X3:(K<G)={Bu*U 即赢盘获得与此盘口相对应赔率的回报。; }! a3 m" J0 w3 N8 A7 v7 G R
+ Y" F. a' m- z# d* v
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。
2 u( g: `+ N: F' B& }5 {, c' c2 Z3 G$ s0 x
1:大小球盘为2.5球(G=2.5)
7 p( k* x0 z5 r- d7 R$ ^: C
# I8 x! y3 l9 ? C, F; q4 U& C在大小球盘为2.5球时,投注大球的回报总数额为:: Z! @# b1 ?* S& V9 R
K=0 D0=0 6 ?- n2 v8 o' ?0 u* U$ q, k( f
K=1 D1=0
; }) N' V6 W" ]; j0 yK=2 D2=0
! D3 ]& Q0 h( g- l% w3 lK=3;4;....x D3+= {Bo* O
% M$ h8 F: L, g( M/ o- e1 F7 z4 K6 k; i; z6 `( L
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; @4 x" x) }' \# M# t5 s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。! a. J: @" k7 v
∑D=Bo* O*(1-P0-P1-P2)=Bo
3 |# C7 l: S$ {+ e( a O*(1-P0-P1-P2)=1
- q: E/ n) ~7 S* w+ l/ c* S. |* f( d7 { 在此盘口下,大球的赔率为 O=1/(1-P0-P1-P2)
$ z+ l# K t; q" | 或者表述为 O=1/∑Pn----------(这里n=3;4;……x)- u# b/ ]& I7 R" V' b% J' F P% k; p
/ m" V, A( [. s( L4 }
在大小球盘为2.5球时,投注小球的回报总数额为:
7 q+ k! s: k# g4 {' _, q5 X; [K=0 X0=Bu*U : _8 k" u/ d2 p2 t( o
K=1 X1=Bu*U # X* ]" H% Z" U, c
K=2 X2=Bu*U # r% s9 n$ Y; `! \; J( o1 ~
K=3;4;....x X3+=0
% j* S! _( _- Q8 q; d; i
& Y2 I" \/ _# Z, e投注小球的期望回报总数为:∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U
) P) w( Y' A1 f# i& L @$ 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。/ P1 Z! M" D1 {
∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U=Bu! Y3 \/ }) G; R, y2 y
U*(P0+P1+P2)=1
- o. A, Z; K' G: E 在此盘口下,小球的赔率为 U=1/(P0+P1+P2)1 }" Y7 g" p/ F E: P
: t& n% @* {' V- c3 z2:大小球盘为3球(G=3)
~: f7 C( v6 F1 {, e5 Y/ j
b/ _- _5 M \! P2 f# g1 n在大小球盘为3球时,投注大球的回报总数额为:1 T' _9 S3 ~" c5 J4 j5 |
K=0 D0=0 4 ]5 I. F5 y4 V& F5 D. {
K=1 D1=0
|; [8 W% Q( K( EK=2 D2=0: O" ]5 Y) o+ ? L! _
K=3; D3= Bo- |) `) Q: _( [% f
K=4;5;....x D4+= {Bo* O ; l+ p& @- r e3 a, V' j& I; q& g
" H; w& J0 A$ k! G
投注大球的期望回报总数为:( _9 D5 ^5 ?4 \% W+ R7 F5 e
∑D=P3* Bo +Bo* O*(∑Pn-P0-P1-P2-P3)= P3* Bo +Bo* O*(1-P0-P1-P2-P3)
b1 ^; k& s. P0 t- ^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 X. K G' F3 j8 {. w w" d) ^
∑D=P3* Bo +Bo* O*(1-P0-P1-P2-P3)=Bo
, q# e. ?/ T' B& N( t- T# b/ L7 U P3+ O*(1-P0-P1-P2-P3)=1
_: J# `1 v9 {9 w) T 在此盘口下,大球的赔率为 O=(1-P3)/(1-P0-P1-P2-P3)- J- g; Q2 P/ Q! r1 t
或者表述为 O=(1-P3)/∑Pn----------(这里n=4;5;……x) J- i0 h3 y# V/ B
0 T D; a( n5 K1 d) \, C s0 d在大小球盘为3球时,投注小球的回报总数额为:9 ]) n, C) u& L5 ]$ ^
K=0 X0=Bu*U
4 e' h/ ?" p% `2 p& v! rK=1 X1=Bu*U + ~# q* w5 m4 a+ \( b3 L
K=2 X2=Bu*U
, g- C8 W9 O# D! s/ V* S5 r) n8 @# TK=3 X3= Bu+ K/ F& y* q' K
J=4;5;....x X4+=09 Z% s; x9 W ?; O
% d; }; v% z9 W; E/ j1 b投注小球的期望回报总数为:∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu! @7 C. N) \- a+ ]3 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 c5 N9 a0 C$ P$ H3 s ∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu =Bu9 ^7 O+ z$ ~0 B% P
U*(P0+P1+P2)+P3=1
' O$ T8 u$ B1 E7 n; X 在此盘口下,小球的赔率为 U=(1-P3)/(P0+P1+P2)
_( w, S3 b, j/ g+ _! j
" h% L3 S' `: n8 i8 e3:大小球盘为2.5/3球(G=2.5/3)' A/ j, F& \2 T" z; d7 N0 N9 A C3 _$ _
* J6 y2 _9 Z! j( Y& U6 [' ~
在大小球盘为2.5/3球时,投注大球的回报总数额为:7 @! F. \' A! p/ o; A/ j
K=0 D0=0
- c) A% W: I# n, y! C9 N6 pK=1 D1=0
) g5 D+ I% r' JK=2 D2=0
! J8 k- f, @( bK=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)
8 T2 p* p7 B& a; aK=4;5;....x D4+= {Bo* O
, p; g9 L* u( q% t: g5 S. H3 B& b( Q* {) F. G$ [; z' }& q# u
投注大球的期望回报总数为:) q9 x, q: k7 t$ g
∑D=P3* Bo/2 +P3* O*Bo/2+Bo* O*(∑Pn-P0-P1-P2-P3)
4 l* j2 J- N, G = P3* Bo/2 +P3* O* Bo/2+Bo* O*(1-P0-P1-P2-P3)
$ ]) u# \: Q$ a8 R4 Q) I- Y. 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。, T# x+ o4 C6 \- r
∑D=P3* Bo/2 +P3* O* Bo/2+Bo* O*(1-P0-P1-P2-P3)=Bo
- ~2 x4 M) L7 y+ ?, J& a; o P3/2+ O* P3/2+O*(1-P0-P1-P2-P3)=1, O6 z- J, H- `* G
O*(1-P0-P1-P2-P3+ P3/2)=1- P3/2
" S% u1 r5 n3 @2 b- W( ?4 Q 在此盘口下,大球的赔率为 O=(1-P3/2)/(1-P0-P1-P2-P3/2) ! M0 f) C8 d6 V9 S. R* P
' _7 X2 }& E, g) i
在大小球盘为2.5/3球时,投注小球的回报总数额为:
2 s( \; w4 t0 d- [- e5 |4 e2 L& pK=0 X0=Bu*U
1 S1 L& @3 ~9 x, `( y* T4 dK=1 X1=Bu*U - i* K# X! J% K, C( F* V1 u6 l$ Z6 `
K=2 X2=Bu*U 5 d! d5 w# @2 e- G* q+ |8 t
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)9 `+ v- g, {: S7 G
J=4;5;....x X4+=0
! d4 d8 L% c; U, P+ u* u }8 w# p/ e$ E
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
+ H7 w) V. B( I% Z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。
' y$ _ O$ J+ q! z P( v x3 ~ ∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2 =Bu+ ]; T3 H- Q2 u/ J. }
U*(P0+P1+P2)+P3/2=13 d2 }9 D# v8 w% x" R4 E8 [
在此盘口下,小球的赔率为 U=(1-P3/2)/(P0+P1+P2)
+ k! \: F4 y* J8 F. a6 I* U, S0 J. M |7 ~5 a, n( G
4:大小球盘为3/3.5球(G=3/3.5)
* W; c$ M& J. y9 U; o% p
% D) h w# _$ a1 D, D5 l+ c在大小球盘为3/3.5球时,投注大球的回报总数额为:- H; d& W' q5 i$ U; K! S9 v
K=0 D0=0 7 a# o) o2 \) n% z' j0 c
K=1 D1=0 $ m5 V1 ?' i- @! s% j8 _& `1 T* J
K=2 D2=0
6 l/ b: }! k& }0 {6 \3 q qK=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)
9 S/ v& z9 K+ SK=4;5;....x D4+= {Bo* O
& Q3 S) R! Q& u9 N7 X8 B
8 H* \1 s# E' K8 C投注大球的期望回报总数为:
$ A2 a% v. G: ? |% |% S# K! V8 u ∑D=P3* Bo/2 + Bo* O*(∑Pn-P0-P1-P2-P3)
, t4 r' g Z6 @! G& z% s$ q = P3* Bo/2 + Bo* O*(1-P0-P1-P2-P3)
( C& \0 v4 p1 o* {. p' A4 F# M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。" {( g8 y1 {5 @" x3 `9 b& M( x
∑D=P3* Bo/2 + Bo* O*(1-P0-P1-P2-P3)=Bo
& i' c9 S5 A0 D1 N1 s P3/2+ O*(1-P0-P1-P2-P3)=1
! R0 h0 d% M A# q8 Z O*(1-P0-P1-P2-P3)=1- P3/2
7 [; p p; j" G0 R 在此盘口下,大球的赔率为 O=(1-P3/2)/(1-P0-P1-P2-P3)
. S9 z/ X! c+ t1 C+ @" Q0 i; i1 C! u 或者表述为 O=(1-P3/2)/∑Pn----------(这里n=4;5;……x)
( S( s H9 z/ S j; O" G- Z
8 O+ p, s/ M0 {% d; o- o在大小球盘为3/3.5球时,投注小球的回报总数额为:$ y7 w" N. Y" B# |
K=0 X0=Bu*U 9 S3 h& x' J9 @* Y* B
K=1 X1=Bu*U & O' v# V3 W' u" ` g
K=2 X2=Bu*U
* R$ p* [" A, P" i) x' GK=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)/ s1 g' Z- |2 @4 F
J=4;5;....x X4+=06 w2 z: f8 `5 C9 L% Y0 u
4 k$ d% j4 U8 l( Q
投注小球的期望回报总数为:
, c! h, B! e9 c6 N+ e/ Z8 ] ∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2+ P3*U* Bu/2
1 _ U+ i3 g& R7 K8 g& 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。
% v# z# ~& v' h3 j. i ∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2+ P3*U* Bu/2 =Bu: }/ `8 e' w* }6 o; `6 L, z
U*(P0+P1+P2+ P3/2)+P3/2=10 {2 M+ P6 z! ^) L$ w
在此盘口下,小球的赔率为 U=(1-P3/2)/(P0+P1+P2+P3/2); n, {6 c, w8 h/ W* A
+ f# n0 x) C; O6 ~% z1 j) q1 c
: z$ O% ~$ L: S* m( `- K' S0 h- r4 L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.* T4 s( e0 E: _8 f" _% f
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!
5 K* T/ Y3 v- m, O+ E
7 |" [/ l8 S/ C! u' K! hP0 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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