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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 R3 H! [4 q4 a# W5 I
我们先引入下列符号:/ E! x& X; ]8 z% w0 ?/ S
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。9 [& ?$ v; z9 L( q
即:P0=全场进0球的概率;P1=全场进1球的概率;……。
) x! \8 ~/ v! {* x, a! ?* V那么 ∑Pn=P0+P1+P2+……+Px=100%。1 F, C5 @. G' a# d3 E2 }6 X. x4 Q% D
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。
* n; G x. q1 c% n5 R( D8 b: HBu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。; p5 J& e* R2 H
" U( Z+ c/ b# s7 i( j
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。
/ t; o" N2 U: S在任意盘口G下,全场比赛会出现如下3个结果:5 @/ k8 V' F7 I5 q
1:K>G 即出现我们通常所说的大球。- g' R! T$ A) B' |) s/ {
2:K=G 即出现我们通常所说的走盘。: r$ |* ^" N6 j- H! A/ P
3:K<G 即出现我们通常所说的小球。! T- B8 M& L, S" o) Y; I3 l% O8 A( ]2 Z+ n
8 O- D: m$ ^9 n# r; Z% f5 N I
那么在此盘口下投注大球的回报总数额为:
6 x/ A4 O; J; Q) WD1:(K>G)={Bo* O 即赢盘获得与此盘口相对应赔率的回报。3 K: v! d3 h) t, t; e7 ^/ J
D2:(K=G)={Bo 即走盘退回本金。2 U1 W1 ?- ~# O! m
D3:(K<G)={0 即输盘失去本金。% Y6 Z# @5 p& c- F6 [1 E( k, ]
' f7 p7 V' r/ B. A) H8 @
同理在此盘口下投注小球的回报总数额为:& h" T }/ ~# {! |
X1:(K>G)={0 即输盘失去本金。( @( r' b3 v4 a7 ?# K6 l
X2:(K=G)={Bu 即走盘退回本金。
: v$ V j2 \& c" P4 A, iX3:(K<G)={Bu*U 即赢盘获得与此盘口相对应赔率的回报。8 n* o7 e3 F+ [+ Q
W, p0 {4 Z, t, A8 Y+ Y# `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。
) H4 Y; q' B! W, B |. p/ ]
( e/ }5 F# |: r. g) z1:大小球盘为2.5球(G=2.5): C7 l% Y5 z, k7 p" B+ a
9 N4 p+ F1 G$ K: [! j( h; ~" C在大小球盘为2.5球时,投注大球的回报总数额为:+ O& `6 P7 c6 }5 N+ T
K=0 D0=0
$ N7 f: D( p) o& ^* g DK=1 D1=0
- n: `3 n' J* Y& w6 GK=2 D2=0: h' j( \0 K( y+ ]" V& H
K=3;4;....x D3+= {Bo* O
# A3 N9 z. H& w6 N
- f6 C/ n/ _* \* t4 ^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)' `& k; ~3 S3 y% ~: t8 o 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 Y+ d: y8 h# ]6 O2 G ∑D=Bo* O*(1-P0-P1-P2)=Bo% Y& n+ t2 D6 S$ u
O*(1-P0-P1-P2)=19 N( @7 q* z/ M6 O: c# m1 _
在此盘口下,大球的赔率为 O=1/(1-P0-P1-P2)
5 ~) p8 T$ q& g 或者表述为 O=1/∑Pn----------(这里n=3;4;……x)
: ^- n2 `/ d' p- t
8 Y* u- t6 N# o, W K- T7 P& O在大小球盘为2.5球时,投注小球的回报总数额为:
" y$ g9 [" W; D, K! u6 sK=0 X0=Bu*U + W* e, @3 L1 Q9 D/ ` x
K=1 X1=Bu*U
+ j6 B( e w% w* pK=2 X2=Bu*U
0 h/ v5 E% z; A' dK=3;4;....x X3+=0+ W0 o" t8 a) B' G
8 b k" v3 W$ K) b* p8 O( i$ Y
投注小球的期望回报总数为:∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U
& @ {' Z/ k2 }. W2 {0 H1 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。6 |5 }. H4 k, B |! A
∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U=Bu
3 q0 j9 I0 a7 Q& z; q+ k% t U*(P0+P1+P2)=1# h; [6 X) P! H8 B) x3 d# B
在此盘口下,小球的赔率为 U=1/(P0+P1+P2)
4 h4 J! `6 A! T
4 k8 J0 b' @# C/ ^( D6 U% v2:大小球盘为3球(G=3)
1 Q. ?7 Z1 _% O7 q \- N E( R* T
在大小球盘为3球时,投注大球的回报总数额为:
, B2 X* ~% U/ W8 }2 X) @6 l( yK=0 D0=0
U! P4 _( K" M& w4 w: dK=1 D1=0
" G. w: d- ^% z! T% W' m1 \& J+ U% FK=2 D2=0
, @% n( b* t* v& o. y0 N3 s3 n) HK=3; D3= Bo
3 V' l9 i& y# H+ ~% {K=4;5;....x D4+= {Bo* O 9 M$ m: k$ r4 V1 l8 K: z
5 n/ K+ d+ {/ M" K
投注大球的期望回报总数为:
* F5 [$ K7 i" J6 l6 Y, R$ j, D! z∑D=P3* Bo +Bo* O*(∑Pn-P0-P1-P2-P3)= P3* Bo +Bo* O*(1-P0-P1-P2-P3)/ Y' I! i( k& j! 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。
& A1 Z, H: `+ ?7 g1 n0 h ∑D=P3* Bo +Bo* O*(1-P0-P1-P2-P3)=Bo h% n5 s2 q* G5 @' C
P3+ O*(1-P0-P1-P2-P3)=1# [ K6 ]* j3 V/ N2 ?
在此盘口下,大球的赔率为 O=(1-P3)/(1-P0-P1-P2-P3)
& ?7 B7 ]* N8 H6 Z 或者表述为 O=(1-P3)/∑Pn----------(这里n=4;5;……x)
+ P% O2 @5 T5 e; M& w
3 D+ z% x' n1 a3 m- x在大小球盘为3球时,投注小球的回报总数额为:) E; ?3 v9 H. Y* i4 l
K=0 X0=Bu*U H* h7 Y) n& W
K=1 X1=Bu*U 2 G0 y; L: j, K* u( Z
K=2 X2=Bu*U
/ ~) K; `6 D" n/ ^/ XK=3 X3= Bu; B8 D$ x& ~8 T/ w& Q. w/ R# j
J=4;5;....x X4+=0
, x J8 Q- p: o/ \* u, E. e4 q2 O8 C$ z# D$ j C/ H
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 X. G, b* r, }, O" k8 N: Q& 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。7 N0 G5 U0 N* N0 \& \: _1 n
∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu =Bu
* p! p; T9 J! P2 m. @0 |; j U*(P0+P1+P2)+P3=1! T6 L! Q4 W9 M3 t: [* N4 g% `; E! B
在此盘口下,小球的赔率为 U=(1-P3)/(P0+P1+P2)
+ e# D% V/ ?6 }) ]- j
2 {/ ~" ~2 s. X4 W5 i3:大小球盘为2.5/3球(G=2.5/3)# ~2 x* F" B0 K5 R& E
0 B6 A: _1 Z& k3 H! f在大小球盘为2.5/3球时,投注大球的回报总数额为:" {* N: i w; T/ T
K=0 D0=0 3 H& Y( i" h3 d7 P7 \
K=1 D1=0 5 K" T- b8 i% I2 ~6 e
K=2 D2=00 Z o& a& K1 Q4 r+ e8 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)
# U6 k/ s& W: s+ Z U" PK=4;5;....x D4+= {Bo* O 7 o! ?% C% ]. `1 c1 N& e }8 Z) V
. X8 z( [, l6 ]
投注大球的期望回报总数为:
. Y. C6 O6 z) {: e; I6 `# { ∑D=P3* Bo/2 +P3* O*Bo/2+Bo* O*(∑Pn-P0-P1-P2-P3)! d+ h$ R5 r3 t* Z( B
= P3* Bo/2 +P3* O* Bo/2+Bo* O*(1-P0-P1-P2-P3)
9 ~% n q1 @2 V8 H( R( 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。
4 t @- O; c4 a# s1 u- [4 Q6 ? ∑D=P3* Bo/2 +P3* O* Bo/2+Bo* O*(1-P0-P1-P2-P3)=Bo& {- l& l% F3 ?
P3/2+ O* P3/2+O*(1-P0-P1-P2-P3)=1
: n2 I* n* k" |8 d& z$ M8 ]+ }3 U O*(1-P0-P1-P2-P3+ P3/2)=1- P3/2
: k( |# p9 u* {" C# [9 Z/ p 在此盘口下,大球的赔率为 O=(1-P3/2)/(1-P0-P1-P2-P3/2)
) E+ u9 K% ?8 [/ n0 J8 s$ E0 n3 J+ V$ W: B$ F
在大小球盘为2.5/3球时,投注小球的回报总数额为:
" ?5 d- |7 F3 ~K=0 X0=Bu*U # _! e2 G$ j' m$ f2 x
K=1 X1=Bu*U
8 i7 @) k* Y9 I# bK=2 X2=Bu*U
. L7 R* Q+ k3 `5 F0 O. [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)
% B2 l' s$ ?1 v) MJ=4;5;....x X4+=0
8 ~. A+ s7 W% k$ d/ v4 u% o$ r6 ]- p8 X
8 p6 u. P' e; ^1 |% U; _! o+ S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( m9 C ]) O& n! i
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。
4 u4 s0 j1 ?2 i# j" |7 z ∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2 =Bu& F4 h" T; v V$ b, l. N! N; ^- f' Y
U*(P0+P1+P2)+P3/2=17 g1 z- g* T3 s3 R' h8 W; M" n* r
在此盘口下,小球的赔率为 U=(1-P3/2)/(P0+P1+P2)
% @' O" i0 @, | Z7 N! m8 n
" \# j, ]8 O# s5 a4:大小球盘为3/3.5球(G=3/3.5)! q: ~! @: v* b5 j
0 E4 C9 ]9 s1 s
在大小球盘为3/3.5球时,投注大球的回报总数额为:
( [4 b, D7 e/ _2 Z/ SK=0 D0=0
2 X# W& I$ K8 }5 F2 t; JK=1 D1=0
6 w( N8 N8 u( f; s) X6 eK=2 D2=0
& t- x8 a& b' ^: N7 d z# ~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)
: \% _/ x9 `0 Q8 X( mK=4;5;....x D4+= {Bo* O
5 H3 b# _9 }% {8 U3 W) ]+ C- f) D
" Q; R6 ^4 `7 B4 m6 j# m5 w+ d投注大球的期望回报总数为:# y, s8 _5 d) X; ]7 d' k
∑D=P3* Bo/2 + Bo* O*(∑Pn-P0-P1-P2-P3)
6 Z; k0 v3 |3 y$ \; i = P3* Bo/2 + Bo* O*(1-P0-P1-P2-P3)
0 I* t7 f1 N7 P7 j, u1 r2 `' v' K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 n3 b4 _# X4 Y! ? U& I ∑D=P3* Bo/2 + Bo* O*(1-P0-P1-P2-P3)=Bo
* [" N; Q2 o3 g; w( ]2 T P3/2+ O*(1-P0-P1-P2-P3)=1+ S9 J* R8 ~: \% f9 c7 I8 \
O*(1-P0-P1-P2-P3)=1- P3/2
) M+ m: K! I9 z# K% }7 N6 H$ G 在此盘口下,大球的赔率为 O=(1-P3/2)/(1-P0-P1-P2-P3)% `+ d* Q" j( [: ~2 v r
或者表述为 O=(1-P3/2)/∑Pn----------(这里n=4;5;……x)! r! r4 g% [ ?7 z2 x4 E: ?# E
. s" `6 n( r- ?' { P0 e在大小球盘为3/3.5球时,投注小球的回报总数额为:
& X1 D: K% ]; y1 H( b$ q; T4 x" i$ Q7 XK=0 X0=Bu*U
; g0 Y1 z& P7 |# yK=1 X1=Bu*U
0 Y+ X8 M) r8 t/ d. hK=2 X2=Bu*U
8 c& J* P8 K8 R) ^, iK=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)
0 j3 s2 g6 r! E* t9 l0 qJ=4;5;....x X4+=0$ W |+ L, [1 p5 A
$ r/ I( g; I. Z7 e C* A) F
投注小球的期望回报总数为:" ], A% O1 [0 H& ` E! ^ K
∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2+ P3*U* Bu/2
2 e i' ]1 S+ ?7 ?. 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。
! A4 t: n5 q# P' p ∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2+ P3*U* Bu/2 =Bu
( b) K! b9 x! L5 u; r$ }0 l U*(P0+P1+P2+ P3/2)+P3/2=17 f: @6 V- W7 C+ w$ a
在此盘口下,小球的赔率为 U=(1-P3/2)/(P0+P1+P2+P3/2)
" d; d1 |0 J2 J7 S+ o6 j p2 }9 ]# v
& C* Z8 l; B( C) `) {' K T
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.9 r9 i5 @, h8 v; b
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!) U# O! h& S) W: j ]
# @6 m: I. M' m: U8 ^# j1 FP0 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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