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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。( `/ K V1 T, {# X
我们先引入下列符号:" m# b4 n Y2 j- 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。+ Z3 a0 m" {7 |6 ]. p% X
即:P0=全场进0球的概率;P1=全场进1球的概率;……。
& q: F2 z# `9 W0 l$ M那么 ∑Pn=P0+P1+P2+……+Px=100%。
; r! B6 V# |# N( a2 s$ D4 EBo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。6 P7 g$ Y9 D+ J; D% c: P
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。
5 d0 G, ]; \1 M s& x5 ~: L) h5 B' N2 J5 D$ 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。
5 q; K0 u, m, w4 B' U, M在任意盘口G下,全场比赛会出现如下3个结果:8 W$ ]: b7 ?* j' v: ^& V( O
1:K>G 即出现我们通常所说的大球。2 \9 R4 c! C' y" v2 @
2:K=G 即出现我们通常所说的走盘。: L" q7 V) A; M& j0 U5 M
3:K<G 即出现我们通常所说的小球。
: r. y/ Y; B' D0 P( y" w& t, e z6 p, L8 q! V0 _
那么在此盘口下投注大球的回报总数额为:
- d U! ]1 x( L, JD1:(K>G)={Bo* O 即赢盘获得与此盘口相对应赔率的回报。
+ K1 u8 @) i8 I' ]' sD2:(K=G)={Bo 即走盘退回本金。0 ]( D8 F/ M( f% z% C3 x
D3:(K<G)={0 即输盘失去本金。3 } z& R5 N9 O+ A y: i
& q% ?4 u3 N) b. U( n6 A同理在此盘口下投注小球的回报总数额为:
6 Y5 e" m n: g* kX1:(K>G)={0 即输盘失去本金。9 a) i, l3 A1 k% ?* ^/ i5 ]) B
X2:(K=G)={Bu 即走盘退回本金。& [4 ?9 H* c; I; A/ }0 I x
X3:(K<G)={Bu*U 即赢盘获得与此盘口相对应赔率的回报。
* D S/ _1 g( S
$ W* H2 P$ Z; h7 T- o; ?3 V2 C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。
( f4 |( N R. w1 }& T2 C9 V0 k' K( h; ]2 A5 S
1:大小球盘为2.5球(G=2.5)
; g+ B, W3 Q: m) w4 n- \+ M7 K5 j& M( B! w& H" L* e$ I* b
在大小球盘为2.5球时,投注大球的回报总数额为:( P6 D, V% C4 _# Z" u- q
K=0 D0=0
/ y, E g( d/ M0 {K=1 D1=0
3 [4 ?8 h9 G& g, HK=2 D2=01 W: O% u. h* R% F
K=3;4;....x D3+= {Bo* O
/ S" h, C o! ~9 j1 n" a3 Z/ Y( R
* x6 p: L. ^, k" T. _) U6 X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); s9 h z+ E' a' v
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。5 [! C, r5 z+ _
∑D=Bo* O*(1-P0-P1-P2)=Bo
4 ?5 w% N1 t+ ^0 H% f9 o, { O*(1-P0-P1-P2)=1- Q7 ]/ p/ s( r8 O) B
在此盘口下,大球的赔率为 O=1/(1-P0-P1-P2)
# A) c% ~! J# x7 w9 ^# P 或者表述为 O=1/∑Pn----------(这里n=3;4;……x)
( x+ S! e( S# n& Z* b O- G
7 K; j2 q# m& h, c在大小球盘为2.5球时,投注小球的回报总数额为:
( M/ |( R# U( x: ~ eK=0 X0=Bu*U
, K. @9 Y K X/ VK=1 X1=Bu*U . s! U" e0 s; c' a& t* s6 _
K=2 X2=Bu*U : |8 w( r B) y( u* C
K=3;4;....x X3+=0* Y& k2 y6 c8 H0 c! P. t' y
" ^# a- X$ Z3 d
投注小球的期望回报总数为:∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U8 ^0 d3 I. x3 `* {/ _1 X; k+ 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。1 j7 q" e$ h" d. A
∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U=Bu; @! s! e- {- k" g" \
U*(P0+P1+P2)=1; ?7 f6 x# Q2 \+ Q, G- Q
在此盘口下,小球的赔率为 U=1/(P0+P1+P2)
6 b9 r) o& ^9 @0 @+ T: U8 A. N8 A1 E3 s. v( b4 c( @
2:大小球盘为3球(G=3) \; r1 i# R9 b: k" [; t
0 R) q' F* V8 C/ t在大小球盘为3球时,投注大球的回报总数额为:7 r; ~) J4 w7 B( ^" D
K=0 D0=0
% r5 F- G! [, N! m* ~1 eK=1 D1=0
6 n, F" i+ Q# m6 s; w" C# s/ YK=2 D2=0
$ ]2 e# y0 U! ]" V5 g& W6 tK=3; D3= Bo
/ s9 R! L/ o- ]' X* l! M1 T% fK=4;5;....x D4+= {Bo* O }# t4 v% T5 D
. l' I+ F0 I7 A- p. N
投注大球的期望回报总数为:
+ _4 ^2 W4 X+ E2 I8 I∑D=P3* Bo +Bo* O*(∑Pn-P0-P1-P2-P3)= P3* Bo +Bo* O*(1-P0-P1-P2-P3)) k, z f9 v3 `$ l5 w' 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。& t" [+ N* O6 J) h( R# V
∑D=P3* Bo +Bo* O*(1-P0-P1-P2-P3)=Bo8 ]" ]8 [! n; Z. B+ {+ q Y
P3+ O*(1-P0-P1-P2-P3)=14 ^2 A2 D4 u% ~5 W1 N
在此盘口下,大球的赔率为 O=(1-P3)/(1-P0-P1-P2-P3)
* p ~; l/ r" H6 B! | 或者表述为 O=(1-P3)/∑Pn----------(这里n=4;5;……x)1 {8 l* ?" W y/ d" b8 W
! C1 d0 b: n3 f6 ^0 n& a
在大小球盘为3球时,投注小球的回报总数额为:
; s9 ?% z9 A+ U* r6 B3 [K=0 X0=Bu*U 4 [' Z6 B; @) y0 t7 ?
K=1 X1=Bu*U
. q" ?$ D0 d- N; f/ s1 }8 K( WK=2 X2=Bu*U 0 N" p0 w$ ^* S6 Q' K/ Q9 f
K=3 X3= Bu+ @4 h9 Q7 G( b( | s; x6 k: ]. c
J=4;5;....x X4+=0
+ [4 G3 R# O2 \3 V i" J0 Y3 H3 t! l3 K
投注小球的期望回报总数为:∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu
6 y$ e% S' z8 K8 Q7 c* C/ 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。* C; E& l, \% z, G& R* |5 O
∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu =Bu
0 c: R7 \8 k# U6 q1 C U*(P0+P1+P2)+P3=1" Y' I2 y" m% L; ]8 ^/ |7 f0 a7 O
在此盘口下,小球的赔率为 U=(1-P3)/(P0+P1+P2); _$ D4 B7 Y+ y* W( U) i. h
4 u# g0 `5 O8 b. j& t3:大小球盘为2.5/3球(G=2.5/3)9 L% f- B( K5 E) P# k& U2 ]6 _
" x9 K+ V$ e# |4 q1 U. W4 [
在大小球盘为2.5/3球时,投注大球的回报总数额为:
8 f' N/ J5 w. ?! O) H$ HK=0 D0=0 2 m1 ^( Z* c7 a' ^0 T/ [' [6 I' n
K=1 D1=0 ' R. r2 F8 }- ?3 d
K=2 D2=0: I* q4 o+ a1 R% ~
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)
$ f9 |1 `! V7 \6 D9 qK=4;5;....x D4+= {Bo* O
' ]% a0 ^- W2 p# P3 q, A
! e r) j6 H' O9 j0 R c* M投注大球的期望回报总数为:
8 h1 a4 b) Q% S2 O$ _8 L ∑D=P3* Bo/2 +P3* O*Bo/2+Bo* O*(∑Pn-P0-P1-P2-P3)2 X, |2 p: J/ [0 `) K) j6 g; Y: b2 ?
= P3* Bo/2 +P3* O* Bo/2+Bo* O*(1-P0-P1-P2-P3)
, W: u7 s% G8 J: C E6 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。" X% q6 t+ N6 u4 k- B8 s
∑D=P3* Bo/2 +P3* O* Bo/2+Bo* O*(1-P0-P1-P2-P3)=Bo; f- R0 { v4 B' b0 d, e
P3/2+ O* P3/2+O*(1-P0-P1-P2-P3)=1
0 _: U% N0 Q+ T* a. G O*(1-P0-P1-P2-P3+ P3/2)=1- P3/2. B5 ]0 n, {: _4 E6 ^
在此盘口下,大球的赔率为 O=(1-P3/2)/(1-P0-P1-P2-P3/2) ) ]# v4 O# l3 V! R
! [' w' g% l5 H8 @
在大小球盘为2.5/3球时,投注小球的回报总数额为:0 i, S4 e* J4 I" P5 l8 Q7 ~& ^
K=0 X0=Bu*U ( J% I& S, t4 j' r+ L% ?
K=1 X1=Bu*U
2 m, |/ m) c, w7 W. k: bK=2 X2=Bu*U
9 M! j2 d* `/ p9 C4 U+ q1 E" I; @; mK=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)
! Z7 R1 T7 r4 w! b$ u. n% dJ=4;5;....x X4+=0
1 V% i ~% U# y0 A. d q7 N
) s Z4 j9 b4 A/ W, D5 {7 V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
4 P6 o+ P* o; U; f6 |% y0 {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 \) j/ k6 k) ^" g- i- z B) X" T
∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2 =Bu
( O* `' p- P' Q9 M( o- C U*(P0+P1+P2)+P3/2=1& g- D$ ^ v2 ~
在此盘口下,小球的赔率为 U=(1-P3/2)/(P0+P1+P2)
6 q; P4 Z$ u* K8 s4 X& L' {
7 h# U# N8 s% @0 s+ {$ R4:大小球盘为3/3.5球(G=3/3.5)
% Q: o, P/ l; N
1 F: P, y+ U. \* w% g4 z; P p在大小球盘为3/3.5球时,投注大球的回报总数额为:6 n9 j+ S! K9 z1 ]: S! I
K=0 D0=0
6 U" A6 k% ]7 r8 @K=1 D1=0
F" A0 [; u+ i. Q- p% ?K=2 D2=0
& w$ N( E& e6 A v% @, n2 t0 HK=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)8 e! l- V( N! D& o
K=4;5;....x D4+= {Bo* O
+ F! @+ ]& H4 s8 ~/ B2 z! N) X2 |" L# @" @6 L4 c# x/ O9 ?# o' Q6 f
投注大球的期望回报总数为:# K& _( ]# _, \9 L$ { }
∑D=P3* Bo/2 + Bo* O*(∑Pn-P0-P1-P2-P3)' [& D: Y9 F6 i3 T3 q, n3 {
= P3* Bo/2 + Bo* O*(1-P0-P1-P2-P3)( [: K7 w N& g
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/ s6 `- F8 e ∑D=P3* Bo/2 + Bo* O*(1-P0-P1-P2-P3)=Bo
8 W! [) }4 @) ~" W# w' T P3/2+ O*(1-P0-P1-P2-P3)=1
3 G1 \/ X9 v3 i) M1 ]) q; x# b O*(1-P0-P1-P2-P3)=1- P3/2
* R# Y! z) L4 W l6 b0 X4 \$ u. } 在此盘口下,大球的赔率为 O=(1-P3/2)/(1-P0-P1-P2-P3)) x8 `5 Z* }+ M5 u& ?% Y
或者表述为 O=(1-P3/2)/∑Pn----------(这里n=4;5;……x)
1 ^3 P6 q1 u' Y; d! [( }6 s' g, o; K+ P- s) Q1 D6 N: m
在大小球盘为3/3.5球时,投注小球的回报总数额为:
6 d9 m9 P$ G$ ~* t5 M# AK=0 X0=Bu*U
! H7 g: D% p5 j: i& H* `( b' ?K=1 X1=Bu*U
, t0 l/ j7 M# j0 T! a6 IK=2 X2=Bu*U
v0 ~: _, b$ X) NK=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)
5 I+ g& h \+ M8 G/ @$ [' ~% j$ |J=4;5;....x X4+=0
4 q. |( K, Q% C3 s0 ?( k
! z4 m5 l- E$ W7 L投注小球的期望回报总数为:
1 \/ a' P* E! R0 f& o ∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2+ P3*U* Bu/2! V! s# | H* N: i7 I$ l
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。
I8 B8 n& i& w" n: L- R ∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2+ P3*U* Bu/2 =Bu, y/ m! q# ~5 x" u& A+ g; X
U*(P0+P1+P2+ P3/2)+P3/2=1% T* ] y+ K; j* j5 j* n; q* ~
在此盘口下,小球的赔率为 U=(1-P3/2)/(P0+P1+P2+P3/2)
+ u. i r" K7 U q
! ^' m' f; S5 t9 j7 W+ q) J8 z+ ^" j3 B4 Y
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 o# b8 u5 Z9 _% C9 ~
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 x# I( y$ K: x9 a4 c
& j1 H5 E- j/ ^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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