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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。
i: m2 Q; i- _' H7 [0 U% u我们先引入下列符号:- A S7 H0 Y \, R; c9 Q, 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。. |1 E; z( e9 ~- ^* ^1 A; [8 L- L3 F
即:P0=全场进0球的概率;P1=全场进1球的概率;……。3 Y; {, T) w1 c/ B
那么 ∑Pn=P0+P1+P2+……+Px=100%。' p) W4 p0 \4 n: d6 p
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。5 F" t. }. [6 Z' I D
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。 k0 t4 c8 `9 |6 v) C; j$ @
8 S2 V7 m. Y* e |/ i! G, ]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。$ B$ [) A, @7 d0 W2 a8 n6 f
在任意盘口G下,全场比赛会出现如下3个结果:) J2 }( d9 N' y! V) o" x9 l: p ~
1:K>G 即出现我们通常所说的大球。0 u; n" \4 N: x8 V- E( Y1 P" o
2:K=G 即出现我们通常所说的走盘。9 \" A7 }4 B3 D1 n
3:K<G 即出现我们通常所说的小球。5 s) _. k; c% p- b$ b9 e
: U& r4 c/ v3 \1 B9 U" i3 p- l那么在此盘口下投注大球的回报总数额为:4 O: T) J3 Y) R/ f. M# P* O6 X+ {
D1:(K>G)={Bo* O 即赢盘获得与此盘口相对应赔率的回报。7 ?" M" Q: D e V1 H; E. B9 [
D2:(K=G)={Bo 即走盘退回本金。
' N2 D& B) H ^4 m6 l! lD3:(K<G)={0 即输盘失去本金。8 X2 V/ W) y. u m
" R. s% n' t# ~( I% ~
同理在此盘口下投注小球的回报总数额为:9 I, b+ U l( {5 W
X1:(K>G)={0 即输盘失去本金。
p. r' s3 m( |, {1 WX2:(K=G)={Bu 即走盘退回本金。5 l/ M1 ` e! A6 H, e7 v
X3:(K<G)={Bu*U 即赢盘获得与此盘口相对应赔率的回报。
^+ U( L* c9 a5 E7 W5 Y0 b$ ^
5 {# b- z3 t8 s' |* ?. ~: t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。) }$ U4 T7 Y# K. p
0 u" n1 K! \. M' o: J
1:大小球盘为2.5球(G=2.5)
& Q' M7 j. g, {
/ W4 L9 A! G9 f* X, k( Q在大小球盘为2.5球时,投注大球的回报总数额为:
1 w3 \4 H6 }# GK=0 D0=0 # K3 i A: m- G8 f
K=1 D1=0 ( K7 D) L9 m- K8 O: A5 }4 q
K=2 D2=0
1 h' o" P: Q* O8 M# f8 X8 TK=3;4;....x D3+= {Bo* O # V4 J' q1 g, i# ]1 K4 A" I
" N+ t* E( O) t# m9 V4 q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)
, @* P R2 H' U5 D' 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。
6 ^1 I2 j$ t' X$ w# Q9 u ∑D=Bo* O*(1-P0-P1-P2)=Bo
. A" Y& W+ C/ H) \0 _ O*(1-P0-P1-P2)=1
3 L6 @. ?8 W8 K, n0 g% R 在此盘口下,大球的赔率为 O=1/(1-P0-P1-P2)- k6 K/ |& r+ \) m: N. v
或者表述为 O=1/∑Pn----------(这里n=3;4;……x). Z# d3 i0 G# \/ R/ j. y4 \$ z' ]
0 [$ U$ K( M5 |$ }2 _
在大小球盘为2.5球时,投注小球的回报总数额为:
$ T( Z$ y, b8 i- x4 H/ P, z# O& hK=0 X0=Bu*U
) P. j$ n6 z9 W' I" ?$ _& x) y9 B% XK=1 X1=Bu*U 7 ^& i: ~% z' b5 w- o; S2 I! s
K=2 X2=Bu*U ; H1 E0 i! g z, r8 v t. D
K=3;4;....x X3+=0
) `8 M" s% b* M0 M5 q
& f+ K* W, B; Y c7 D d投注小球的期望回报总数为:∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U2 i/ v( w' F3 ?( x% A; }! o
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。. S( V. @% A; Q
∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U=Bu7 G9 C! ^5 G& `& r/ j, W2 x
U*(P0+P1+P2)=1
! B {& D) u" u6 K1 S; \8 H+ A- a0 ~ 在此盘口下,小球的赔率为 U=1/(P0+P1+P2)6 _5 F# D1 t8 O+ l
2 A$ M \! W+ ]7 N1 i; U! |! d' ~2:大小球盘为3球(G=3)- Z# K9 j2 U2 |" x4 ~6 B8 p4 p6 X5 q
3 z! w# y0 y7 m2 Y9 ^. j8 S: ]在大小球盘为3球时,投注大球的回报总数额为:" _; h, Z0 c) | e9 Z+ W
K=0 D0=0
, E* J2 @( o" E: c' M) a2 PK=1 D1=0
5 T, B4 t- Y9 d2 h+ mK=2 D2=0
% z% ?: Y" R$ dK=3; D3= Bo: m$ c# u3 k* ^$ E6 v7 K' Z
K=4;5;....x D4+= {Bo* O - W1 O: _/ P% C* V; A- e2 S6 V
3 ^* y y2 E$ N5 F& c4 V. N投注大球的期望回报总数为:& `! G; ~5 p B2 a
∑D=P3* Bo +Bo* O*(∑Pn-P0-P1-P2-P3)= P3* Bo +Bo* O*(1-P0-P1-P2-P3)
- P6 o( M0 `" U' A% Y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 a' O1 N! ^4 t* H* t* {
∑D=P3* Bo +Bo* O*(1-P0-P1-P2-P3)=Bo6 q* y4 l8 ^$ D5 {3 R( _' v
P3+ O*(1-P0-P1-P2-P3)=1. Q5 E3 i( w- X- U
在此盘口下,大球的赔率为 O=(1-P3)/(1-P0-P1-P2-P3)
, w1 E' r* S: i. k) i 或者表述为 O=(1-P3)/∑Pn----------(这里n=4;5;……x)
" O& @( S" _8 z1 K( c# C- W+ _) B, k( c( f
在大小球盘为3球时,投注小球的回报总数额为:
: k" c+ I+ i' ~$ P% p0 TK=0 X0=Bu*U 9 f6 _3 a8 _; r
K=1 X1=Bu*U
" F0 U; x7 B. ~, I5 P7 f: NK=2 X2=Bu*U
: H* g( z7 D) M+ ^* rK=3 X3= Bu
7 n+ H# U3 L# q3 W+ @0 v LJ=4;5;....x X4+=0
3 d* T C# y+ q8 g. }% l
' }: ^% n6 x/ [1 C投注小球的期望回报总数为:∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu
* P0 s& p9 @% 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。2 G# K! ^' \' u6 Q! K/ Q7 {4 s/ v) U
∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu =Bu
& |% R. i- z: d1 Y U*(P0+P1+P2)+P3=1' {' n$ _: W( [; l1 I
在此盘口下,小球的赔率为 U=(1-P3)/(P0+P1+P2)0 L: d- W/ D2 |1 z+ M* k
* L0 P5 ]0 L; r! e" M
3:大小球盘为2.5/3球(G=2.5/3)
$ O: i: @ F8 j& S
1 P, A6 H# f" _2 b8 z4 k: e* u" t在大小球盘为2.5/3球时,投注大球的回报总数额为:" o7 B) R; N1 Y( w% H
K=0 D0=0
- W/ D# p* ^$ S$ j- ]/ h n) f: OK=1 D1=0 : p" T4 u' V- H$ H1 F; L: V4 [' C
K=2 D2=0
/ L' u' Z* P- \; OK=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)
/ P, q8 y& ^, J; y# _5 z. V. S, fK=4;5;....x D4+= {Bo* O
& `) }3 `' |. T5 X# W
- t* D6 w. W; ]7 A B* t8 ]投注大球的期望回报总数为:8 \( `* I2 K' ?4 h& i5 _
∑D=P3* Bo/2 +P3* O*Bo/2+Bo* O*(∑Pn-P0-P1-P2-P3)9 z/ v) j2 b5 D8 ?
= P3* Bo/2 +P3* O* Bo/2+Bo* O*(1-P0-P1-P2-P3)* K) P5 T+ P& n" 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。
$ v# @6 l# p. b* [/ u8 F ∑D=P3* Bo/2 +P3* O* Bo/2+Bo* O*(1-P0-P1-P2-P3)=Bo* y f( H& t" a
P3/2+ O* P3/2+O*(1-P0-P1-P2-P3)=1
) K- S1 U4 S1 X0 I c" }1 `0 W4 { O*(1-P0-P1-P2-P3+ P3/2)=1- P3/2
3 h* ?! i1 }' H3 b2 O. m 在此盘口下,大球的赔率为 O=(1-P3/2)/(1-P0-P1-P2-P3/2) 4 e L# |* x6 M* b2 `
& D/ _% I4 k1 ]/ q( s( }! C在大小球盘为2.5/3球时,投注小球的回报总数额为:
- |; Y" {# a/ |4 Y# }: g* A KK=0 X0=Bu*U ' { x; z5 n, @2 d
K=1 X1=Bu*U
! M3 e) x1 G- YK=2 X2=Bu*U
% o/ b& `/ g. s8 l k$ V( X/ [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)
# T/ E2 Z+ A- P3 f; z' C0 dJ=4;5;....x X4+=0
3 {1 I4 G6 n* h9 D8 w& R. v) \4 |2 G
投注小球的期望回报总数为:∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/29 _4 _2 P3 B/ h3 ^$ C 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。3 H$ D5 N" H! \ H) r$ J+ h* o
∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2 =Bu
$ b$ b0 j r# P4 W$ Y U*(P0+P1+P2)+P3/2=16 h% w6 o* f% p F+ P6 U+ e. P
在此盘口下,小球的赔率为 U=(1-P3/2)/(P0+P1+P2)
' B- {' s V: v6 M5 }" [- _
, Q6 g( F. O8 a( K6 V( Q/ j( y. j4:大小球盘为3/3.5球(G=3/3.5)
: h- f) M$ q3 N3 ?6 ?9 w2 C* S$ M# |7 T4 k; o* C
在大小球盘为3/3.5球时,投注大球的回报总数额为:6 {- g) ?3 T' e) u# M
K=0 D0=0
Z2 {( I$ {. K% a1 oK=1 D1=0
2 c7 I n* H$ N2 ]$ ^# n# OK=2 D2=0
: v- [, E/ i+ B( t% f9 [$ RK=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)
1 ~- `) z) O7 j, @' p( g9 c7 c- u& OK=4;5;....x D4+= {Bo* O 8 O+ s1 p8 X1 k5 P
. s( Q$ ?$ r0 B1 u! {1 G
投注大球的期望回报总数为:. m! R9 b- D" c8 K+ w
∑D=P3* Bo/2 + Bo* O*(∑Pn-P0-P1-P2-P3)
& f. S n) `+ w6 m1 r9 C% J = P3* Bo/2 + Bo* O*(1-P0-P1-P2-P3); v( v" l0 ?2 t0 U" 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。 ^0 q" r- ]# D8 S! Z
∑D=P3* Bo/2 + Bo* O*(1-P0-P1-P2-P3)=Bo. x. u. |$ L1 y9 @
P3/2+ O*(1-P0-P1-P2-P3)=1
2 d: I1 y. A3 V& ~ O*(1-P0-P1-P2-P3)=1- P3/2 c6 c6 x7 F" ]
在此盘口下,大球的赔率为 O=(1-P3/2)/(1-P0-P1-P2-P3)8 w$ T" x/ u$ F; f) U, k
或者表述为 O=(1-P3/2)/∑Pn----------(这里n=4;5;……x)
3 ~# f8 s& ^- S+ f, o3 M6 J# W- }& V
在大小球盘为3/3.5球时,投注小球的回报总数额为:
/ Q4 | w8 u0 T# ?7 @; iK=0 X0=Bu*U
2 r, ]7 z/ r5 I3 T4 z. h w% iK=1 X1=Bu*U
' f) S1 K' [0 {6 f" P8 PK=2 X2=Bu*U % H5 q) x' R, j5 T- l- q; H
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)2 r; \1 `' s7 I7 X0 Y" [
J=4;5;....x X4+=02 r% o5 M+ B2 ? g" Y( U+ b3 Z
3 ^# y& r& U$ {8 _
投注小球的期望回报总数为:
/ D' S9 s3 P9 z. K+ W& Q" Y0 l7 j) p ∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2+ P3*U* Bu/2
3 [: r: U# d9 \% L; d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。
; y3 @# T* M! ]+ X2 r) [# R0 k3 i ∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2+ P3*U* Bu/2 =Bu
5 t! A2 ?. ?$ }1 r6 e9 k U*(P0+P1+P2+ P3/2)+P3/2=1
# H" F: q8 I# D5 J2 P1 `' Q 在此盘口下,小球的赔率为 U=(1-P3/2)/(P0+P1+P2+P3/2)
- N% B: h- D( r3 V* k* O4 @
+ @5 ~* X1 b5 A& j6 A' l# q
r \7 J) b3 j7 @9 n# r) e1 F: J( j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.
5 k7 i3 Q4 T) \# z, ^0 ?, 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!
; [1 ], n$ ^) \- v5 A9 G! c H; |3 i7 P$ ]4 n) F. u7 L/ P
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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