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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。0 v& C2 ]% \1 O1 j c2 H
我们先引入下列符号:
3 H2 j4 M2 r4 j# I+ y2 MPn(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 g; S( f: o% C6 o' n
即:P0=全场进0球的概率;P1=全场进1球的概率;……。, w+ u/ J1 j( K5 X2 W4 D9 k( f" ~
那么 ∑Pn=P0+P1+P2+……+Px=100%。
0 \3 t4 b; ]+ j6 S6 t: M. `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。
# v6 N" ?) p5 P% r' ~, sBu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。: y+ ?/ g$ [# ]) u6 E: ^
* I3 u t* [' W* c) a6 h3 x/ a
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。- O" S" y; h* J1 N, H R
在任意盘口G下,全场比赛会出现如下3个结果:' z7 a& B5 q1 J0 Z
1:K>G 即出现我们通常所说的大球。* h8 E2 |4 x% E: ^' r" }
2:K=G 即出现我们通常所说的走盘。2 U% C/ {+ h: a3 \9 o( Z
3:K<G 即出现我们通常所说的小球。) ] d! z4 ^4 ^( f M
; O0 p6 n0 q! U% l& n/ e: I: i% z那么在此盘口下投注大球的回报总数额为:
0 \" g x( K u$ {7 X2 aD1:(K>G)={Bo* O 即赢盘获得与此盘口相对应赔率的回报。
/ p5 G1 K0 L7 m+ P/ X. @6 {$ a! HD2:(K=G)={Bo 即走盘退回本金。
4 k' `) c3 G! MD3:(K<G)={0 即输盘失去本金。
, i: {1 }' c( Q" ^: a, {5 W* ~# f. o1 W* t5 _; d8 ]" A
同理在此盘口下投注小球的回报总数额为:
, S; b' c- Q' ^2 n3 {X1:(K>G)={0 即输盘失去本金。
. M$ @) a# X& ^0 Y$ C( oX2:(K=G)={Bu 即走盘退回本金。$ @* W0 D: O$ c0 b z
X3:(K<G)={Bu*U 即赢盘获得与此盘口相对应赔率的回报。
% q# V0 N7 q9 g) } ?4 Z0 g3 A7 {' z
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。
+ T9 I: t7 Z: L: H& ]. j( s1 ~ s# w. I) [* K S, R
1:大小球盘为2.5球(G=2.5)
& l+ L" d+ r2 e- i7 p8 L$ T
9 d3 ^/ {# m0 R& A4 G; q/ r在大小球盘为2.5球时,投注大球的回报总数额为:! P0 X9 z$ b2 y% l6 n
K=0 D0=0 / n" y' ?. G0 o" F) W7 o
K=1 D1=0
4 S+ Q; P: B/ x& N$ r- cK=2 D2=0: d7 M" F; U) P" O# C
K=3;4;....x D3+= {Bo* O ; I. _7 j- X6 z% k6 n
% q3 _' E* {0 O& s& v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)
- e# Z- E1 p& q$ J) n+ a4 u( C+ 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。, ]* [- Z! V$ p; A, Z- ?4 `
∑D=Bo* O*(1-P0-P1-P2)=Bo
2 m1 r% O* |+ M; ^. q Z O*(1-P0-P1-P2)=1
6 w0 N5 X. z# b: t- Z8 M8 { 在此盘口下,大球的赔率为 O=1/(1-P0-P1-P2)8 ~4 y1 Z4 L* M2 ]. a
或者表述为 O=1/∑Pn----------(这里n=3;4;……x). x! q' W# f% _# t
: s+ t/ u4 u& x
在大小球盘为2.5球时,投注小球的回报总数额为:/ g/ e0 H0 t3 D8 [
K=0 X0=Bu*U 0 m. H" X. N) T( b, f ^
K=1 X1=Bu*U
# h9 o$ Q P. e- t5 ?8 u) @9 I j0 XK=2 X2=Bu*U ; q3 {3 l/ m/ O! P. t- f: E
K=3;4;....x X3+=04 d/ D! S, s" Y4 u0 v6 q
; \6 m _ a' p1 e投注小球的期望回报总数为:∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U0 X/ U. ?( P' n# N/ O# 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。
7 Y7 u' T) x) }* S! t6 X/ E ∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U=Bu
- N! `. [4 g' ?, ~9 z U*(P0+P1+P2)=1
# P. Y. K) s7 m 在此盘口下,小球的赔率为 U=1/(P0+P1+P2)
) h2 r y6 N7 Z6 [% y) m; `( V
# [- M! G+ g) J# L2 M' }$ @2:大小球盘为3球(G=3)! T9 s6 w+ F# j" X" _3 I" C
6 }7 W+ A' K: D) F0 F在大小球盘为3球时,投注大球的回报总数额为:
2 ~ E' V, |* ZK=0 D0=0
; t* a& ~7 g2 `& u& C9 I# @) W% {6 BK=1 D1=0 * n+ ^/ w% y; ^7 ^ g- Y0 F% m$ @7 @( f
K=2 D2=0$ O& ]; B* o- F/ z5 Y4 B
K=3; D3= Bo
" c" j, C( q+ ?' z; I- b( NK=4;5;....x D4+= {Bo* O
$ l2 t3 T5 \* W0 }$ F: J8 L# [8 Z* p4 Q2 d* M
投注大球的期望回报总数为:
6 P# K4 A1 l: V V" g∑D=P3* Bo +Bo* O*(∑Pn-P0-P1-P2-P3)= P3* Bo +Bo* O*(1-P0-P1-P2-P3)
7 V/ Y& \# f! S a4 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。
6 a1 g; T$ Z( o# e1 o ∑D=P3* Bo +Bo* O*(1-P0-P1-P2-P3)=Bo- z' r4 u, W; `0 U
P3+ O*(1-P0-P1-P2-P3)=1 x$ r/ _; n. k: }5 J8 J6 I4 t9 k z
在此盘口下,大球的赔率为 O=(1-P3)/(1-P0-P1-P2-P3)
# O' D' B+ {, f) S+ Q y9 o 或者表述为 O=(1-P3)/∑Pn----------(这里n=4;5;……x)
. k8 w0 @4 P4 B2 \0 I# _
- a# ~ f C- V6 w在大小球盘为3球时,投注小球的回报总数额为:3 Y; X: n3 L$ Z& f
K=0 X0=Bu*U
9 l' {2 s" P, bK=1 X1=Bu*U 9 a; A- x" G! r$ m k" H' m3 }& V
K=2 X2=Bu*U
8 K B8 ` R" gK=3 X3= Bu
/ N, F$ ^$ _" e( i9 h& ]5 |% m# JJ=4;5;....x X4+=0% z0 E3 }. r: U) R) A4 v
4 v. y+ f# k/ K2 _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 H2 _# w I/ L8 g/ f2 F; d9 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。* ], ~4 z' m/ R3 w/ N6 y: N
∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu =Bu
& p6 ?- ?+ Q; P; _2 r( V U*(P0+P1+P2)+P3=1# w0 p. m1 }7 @( L [. z
在此盘口下,小球的赔率为 U=(1-P3)/(P0+P1+P2)6 ]8 `- J. c0 p4 U- M. R
1 a* q- @8 Z' L" o# B. e7 ]3:大小球盘为2.5/3球(G=2.5/3)
0 O. T1 U$ ]+ Q+ t7 z) Y2 C' \' h& d% k( s
在大小球盘为2.5/3球时,投注大球的回报总数额为:
: _4 Q* A5 K- \: wK=0 D0=0
- {. O& M' G+ @K=1 D1=0
' _3 @' {) d$ m* H) \K=2 D2=0
5 ?/ ?2 y5 _1 E6 H% JK=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)" u0 w( @* n2 q
K=4;5;....x D4+= {Bo* O
( z+ J6 z! W; z3 r8 Y, d# b2 ]' {; W& c0 ~
投注大球的期望回报总数为:. R1 T+ Q# ^( a. r' z7 J- o. b
∑D=P3* Bo/2 +P3* O*Bo/2+Bo* O*(∑Pn-P0-P1-P2-P3)
U/ Z% Y; I' H: H2 c = P3* Bo/2 +P3* O* Bo/2+Bo* O*(1-P0-P1-P2-P3)
# F) ^, T" W! r9 S6 Q0 V1 p- w3 ^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。+ q# g# K! @* h
∑D=P3* Bo/2 +P3* O* Bo/2+Bo* O*(1-P0-P1-P2-P3)=Bo
- h5 v; I, ?8 Z P3/2+ O* P3/2+O*(1-P0-P1-P2-P3)=15 |( Z" J7 P9 p( l7 J" K/ G+ e6 L
O*(1-P0-P1-P2-P3+ P3/2)=1- P3/2
9 ]0 X& b+ `3 A0 @, u) S3 U! {2 ^ C1 X 在此盘口下,大球的赔率为 O=(1-P3/2)/(1-P0-P1-P2-P3/2) ! k. B7 E' L- i! R; C
/ t$ x, L: h0 N& E
在大小球盘为2.5/3球时,投注小球的回报总数额为:+ _6 j+ ?6 t4 m- H. k
K=0 X0=Bu*U
. v: K/ Z, f; M+ rK=1 X1=Bu*U - z$ I' o+ r; Q9 N
K=2 X2=Bu*U
- G" N; u. o' s7 AK=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)
! w+ L; \1 k9 E. d( ~J=4;5;....x X4+=0
$ e1 o2 K. _# R* z- m* n
7 d# ~6 \/ n5 A+ t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, } n+ }( E" ]' K c. ]( ~0 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。. z9 C7 R! {& a: O7 S% [
∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2 =Bu* L+ ~ o: h9 H- O- V) Q% p
U*(P0+P1+P2)+P3/2=10 }1 T3 d# x& \+ [0 G6 M, d
在此盘口下,小球的赔率为 U=(1-P3/2)/(P0+P1+P2)
- T6 G" h; c4 Q6 B1 ~
$ n/ d" [" x c R' }4:大小球盘为3/3.5球(G=3/3.5)
7 I& K }- S2 g& I) ]6 t2 H
5 T! O' l% m3 a8 p2 I在大小球盘为3/3.5球时,投注大球的回报总数额为:; y; Z6 J4 C4 c3 f4 ^
K=0 D0=0
0 W: S5 G, ?( v1 [- q( |8 qK=1 D1=0 ) S2 y" n# s+ k+ R
K=2 D2=09 v {9 Z$ p' J
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)$ H; `5 R9 B) S" h5 ]' {% y
K=4;5;....x D4+= {Bo* O - E9 p. _" I+ B# T2 I
: X# O/ O$ G/ y. ^3 L* n: `
投注大球的期望回报总数为:
4 p8 L% ^2 j$ w7 b# j0 W1 L# Y1 f5 a; j ∑D=P3* Bo/2 + Bo* O*(∑Pn-P0-P1-P2-P3)7 q% f4 L0 r- Y
= P3* Bo/2 + Bo* O*(1-P0-P1-P2-P3)
8 ^! o8 O* S" K2 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。
1 x" W) D% }9 g" G; q1 X ∑D=P3* Bo/2 + Bo* O*(1-P0-P1-P2-P3)=Bo
. W/ |* z$ d8 d' g! h P3/2+ O*(1-P0-P1-P2-P3)=1
. C8 T: D( Q& S W r8 l O*(1-P0-P1-P2-P3)=1- P3/22 r$ j. q q5 u# ?! o" t5 X9 t
在此盘口下,大球的赔率为 O=(1-P3/2)/(1-P0-P1-P2-P3)
* m+ d- d1 @3 e0 f 或者表述为 O=(1-P3/2)/∑Pn----------(这里n=4;5;……x)
4 e" m' Q8 p) M+ T N3 ?1 `) S* S* t7 [0 A" v2 Y- G
在大小球盘为3/3.5球时,投注小球的回报总数额为:
" |1 u/ M9 K3 c0 x1 C7 m& U' }! ^K=0 X0=Bu*U % S# F- F! O/ a# [
K=1 X1=Bu*U % _' v: M, K' Z* L8 [6 J2 T0 t% @, C9 g
K=2 X2=Bu*U
6 U- s2 e c$ Y9 J) f$ p6 UK=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)
3 M9 u1 G$ |& p- C& u( ^J=4;5;....x X4+=0! U0 y( D! y; w6 Z* t8 r
# @( p1 D- i; [% X投注小球的期望回报总数为:5 `$ A; Z) s2 o& [! m6 h' b- W# u; u
∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2+ P3*U* Bu/2
/ g# }+ a& H7 h9 w/ 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。 G0 y/ R O) O$ u2 A9 B
∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2+ P3*U* Bu/2 =Bu% k& f* |' m( G, `5 u" C
U*(P0+P1+P2+ P3/2)+P3/2=1- X) I9 d" W& ^- T
在此盘口下,小球的赔率为 U=(1-P3/2)/(P0+P1+P2+P3/2)
5 J. s/ w6 p) n: D: D3 `0 _
) D! q2 q3 J/ |, x
7 g W8 w; N* J# G9 H' |2 l& o5 B$ v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.( w! J1 ]* m: G3 N, p' Q( c; \2 ~, E! \
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!
' I/ |4 H/ q( t* ^' K$ e
+ Q0 G! ~( i, C8 ` PP0 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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