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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。7 [# {3 X3 T, m/ R! |
我们先引入下列符号:
. X0 u: ?4 {) c/ F: LPn(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。% \3 X7 ?0 I5 z o
即:P0=全场进0球的概率;P1=全场进1球的概率;……。( W# P8 o$ b& K; @6 z& h4 {
那么 ∑Pn=P0+P1+P2+……+Px=100%。" h0 T! H( z: _% N8 a% `3 S- ~
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。, l2 [' v7 i: f
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。* |& y) `7 Y0 h
0 q3 b6 N8 T5 t; L7 l
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。
7 S! {* I2 f% F2 k2 S/ ?: \% T在任意盘口G下,全场比赛会出现如下3个结果:
0 X4 l' M' v5 B3 H/ o& p1:K>G 即出现我们通常所说的大球。
0 R2 ^/ Z8 p6 h) ?" D8 X9 Z2:K=G 即出现我们通常所说的走盘。, j7 A+ ?5 x7 _/ `; s! a
3:K<G 即出现我们通常所说的小球。
) ^. G) y$ x2 m; B6 ~6 `2 G' \' S. R) j0 P+ t6 v1 M
那么在此盘口下投注大球的回报总数额为:' X% x+ R3 O; y: O
D1:(K>G)={Bo* O 即赢盘获得与此盘口相对应赔率的回报。/ j& \' c" n6 z( o
D2:(K=G)={Bo 即走盘退回本金。
/ Y: k0 {- t7 K1 i- {/ LD3:(K<G)={0 即输盘失去本金。% S# j" O7 {- T3 B
5 G* `: E' \( F& w' d
同理在此盘口下投注小球的回报总数额为:* e% [7 G- F4 I. ]
X1:(K>G)={0 即输盘失去本金。0 z$ l6 k% k1 X; N3 Y
X2:(K=G)={Bu 即走盘退回本金。
. W1 T% S: a/ s: eX3:(K<G)={Bu*U 即赢盘获得与此盘口相对应赔率的回报。
1 Z2 o0 H& {! F( q3 r: T) p0 _- }. h! ~
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。
( L, l1 Y n/ u$ C1 w
! c; _" f! J& _7 A1:大小球盘为2.5球(G=2.5)
0 `3 y4 X" }8 N1 T9 T" ?. X
+ g0 x6 y! |9 H, U/ }+ }$ v- y在大小球盘为2.5球时,投注大球的回报总数额为:
6 p+ V. f0 O- KK=0 D0=0 9 U5 Q# T+ A6 Y% n
K=1 D1=0
1 F7 h/ d4 P; | @/ ? [* o& P* DK=2 D2=08 x. W5 x! g/ F5 a5 G
K=3;4;....x D3+= {Bo* O 4 P7 Q; ^ I" i, s0 D, N
& u3 b W$ H9 P3 [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)
/ }8 b) e6 u2 O% D# S& 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 c. y# s C7 c: l/ l8 K# e. Q S: r
∑D=Bo* O*(1-P0-P1-P2)=Bo
& d \% P2 O% `, E# l O*(1-P0-P1-P2)=1
5 m4 u8 k4 r9 L6 Q3 |3 H 在此盘口下,大球的赔率为 O=1/(1-P0-P1-P2)
e$ A* ]- R" N& B) U; u' |, W: T0 K 或者表述为 O=1/∑Pn----------(这里n=3;4;……x)1 }: G+ S: R: b* ?! i. l
8 k4 J( n" d; J' ]3 h2 ^+ q在大小球盘为2.5球时,投注小球的回报总数额为:+ _ d2 [, O S' ~0 G
K=0 X0=Bu*U * ^3 S4 s( o- D2 e
K=1 X1=Bu*U
U! K a' V; g: ]7 Q* BK=2 X2=Bu*U
( `# I. c; I; {& h0 hK=3;4;....x X3+=0; O% [6 O" I# Q" [: z8 U
) x+ h2 S9 a& C5 O1 v; ~% a8 i
投注小球的期望回报总数为:∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U. o/ N# D; w6 o9 R( J8 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。
3 \' p+ b# ^% \6 v7 H2 k ∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U=Bu
% e1 A$ D. }/ ?. p0 @. c U*(P0+P1+P2)=18 ^. x8 o) A& k; N* m+ P
在此盘口下,小球的赔率为 U=1/(P0+P1+P2)
+ B# R& r0 S9 w& s. I
0 S) o8 a+ n' U Z2 A: Q. y0 {2:大小球盘为3球(G=3)& n, @) _4 C- v, A$ K; H, z% @# y
1 x9 W2 m# V3 M9 x在大小球盘为3球时,投注大球的回报总数额为:3 ^, P4 g$ n" W1 J. V- D
K=0 D0=0
# x7 m z' V# K3 ZK=1 D1=0 4 u1 s, Y! q( }% c
K=2 D2=0- {7 F3 I% V n5 J0 H9 n6 Q
K=3; D3= Bo5 q2 S/ {9 L8 Q
K=4;5;....x D4+= {Bo* O
9 ^* M/ `+ ]2 {6 r& k+ V `0 z$ ^/ F- R2 T
投注大球的期望回报总数为:; `7 k! y- ? {9 j' c' v0 q$ M8 c
∑D=P3* Bo +Bo* O*(∑Pn-P0-P1-P2-P3)= P3* Bo +Bo* O*(1-P0-P1-P2-P3)- N0 x, n1 _7 n: k5 q7 P* 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 u( Q, J3 |5 f$ k' ?# r9 |5 N, x
∑D=P3* Bo +Bo* O*(1-P0-P1-P2-P3)=Bo4 q- u) w& g4 T$ D+ @/ I
P3+ O*(1-P0-P1-P2-P3)=1
7 |% U1 m8 Z1 F* R 在此盘口下,大球的赔率为 O=(1-P3)/(1-P0-P1-P2-P3)) W/ F) N' C6 z2 u6 g& |1 O
或者表述为 O=(1-P3)/∑Pn----------(这里n=4;5;……x)
1 r8 f9 K5 p+ O$ i$ K
2 e6 a6 s0 b. \/ s! c6 [在大小球盘为3球时,投注小球的回报总数额为:7 C3 `, X) A; j4 O" l: x
K=0 X0=Bu*U
. v* W- k2 D; Q/ h! _# a2 ZK=1 X1=Bu*U ) B, e: v9 t) ^# v, r, n$ q
K=2 X2=Bu*U # j1 B0 T! i+ R- r
K=3 X3= Bu" j+ F2 ?: F, V: k4 `% l/ C, ~
J=4;5;....x X4+=0* A L1 ~; }+ |5 p6 z
4 v* c( q" K, z. ?2 ^1 Y) X# v0 {
投注小球的期望回报总数为:∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu! d& a3 ~- A, F/ 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。% _/ [ `' H0 d0 l
∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu =Bu
4 c5 J& t$ [# Q9 c: d: A) ? k8 `& K0 k U*(P0+P1+P2)+P3=16 \2 Y1 e1 d8 D" `6 S! ^3 O
在此盘口下,小球的赔率为 U=(1-P3)/(P0+P1+P2)& `- T( g3 c; I- J5 F. i
4 {# V$ x0 G$ g: D- g- A! I! f
3:大小球盘为2.5/3球(G=2.5/3)0 o+ S" e4 M. v5 S; C; K
; ` k0 F6 H2 u4 ^在大小球盘为2.5/3球时,投注大球的回报总数额为:
: v: b }$ \. A% ~( }) dK=0 D0=0 $ q1 s) W: \' d8 `- l. P
K=1 D1=0
; O+ l% u4 A8 e" _9 RK=2 D2=0
6 A* F3 {/ i( f# I( V2 E+ zK=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)
; q3 @! {; x( n& VK=4;5;....x D4+= {Bo* O
8 A+ T- D& s8 B. D
: k p% D& M: g/ U% k投注大球的期望回报总数为:
4 O( c+ q0 F; i/ H ∑D=P3* Bo/2 +P3* O*Bo/2+Bo* O*(∑Pn-P0-P1-P2-P3)4 B, E0 k" H9 @8 g+ I X; ]
= P3* Bo/2 +P3* O* Bo/2+Bo* O*(1-P0-P1-P2-P3)
0 H& _4 X- B v* r/ z; E7 ~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 m, _- K8 Y; G' E
∑D=P3* Bo/2 +P3* O* Bo/2+Bo* O*(1-P0-P1-P2-P3)=Bo
/ j' B# i2 [/ Z& j& P! `6 q+ e P3/2+ O* P3/2+O*(1-P0-P1-P2-P3)=1- S J1 \7 W7 j# `
O*(1-P0-P1-P2-P3+ P3/2)=1- P3/26 X! F; Z) O. u7 T+ l- ^ ]0 _! h
在此盘口下,大球的赔率为 O=(1-P3/2)/(1-P0-P1-P2-P3/2)
$ M2 i: E; ?% w, W, c; A1 B S0 f8 k6 J. [
在大小球盘为2.5/3球时,投注小球的回报总数额为:# c1 k+ ^1 I+ k, U( N! T9 H$ t7 x
K=0 X0=Bu*U ( ~, Y }4 q& R' V* M; _
K=1 X1=Bu*U
" S, g% G6 M3 u: N( F- `K=2 X2=Bu*U
; T4 k) @# ~ I6 gK=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)
, j' d2 H4 ] N# Q5 z+ a4 {3 n W; uJ=4;5;....x X4+=06 Q( j/ ? \% x/ x1 f
3 V* w2 L% Z3 \, e" l3 K. R, D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
7 F, R2 u3 X' L- W+ s6 ~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 y6 X2 `1 h8 R# x% w& w
∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2 =Bu
/ T/ O" s5 t' V& @8 } U*(P0+P1+P2)+P3/2=1, P0 Y+ {1 O$ m
在此盘口下,小球的赔率为 U=(1-P3/2)/(P0+P1+P2); ~. {! I( a D7 w# y
9 m4 L8 ~3 G" m5 X! P
4:大小球盘为3/3.5球(G=3/3.5) l3 u' J7 k8 S0 u: \
5 @' J2 {0 B( g7 p在大小球盘为3/3.5球时,投注大球的回报总数额为:
. {3 R4 d* b- m/ ?7 v$ ]3 t8 J% YK=0 D0=0
) x2 M4 O3 M& ?$ ^K=1 D1=0 3 F: d; T. w. p: f9 \- C y* ]3 x
K=2 D2=03 s9 k% i8 u$ D8 a v8 Q/ F
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)
" V8 \0 ]6 C, G7 \! i2 {- ]K=4;5;....x D4+= {Bo* O
- h3 U0 q/ i/ Y, T' {, {. G
2 f5 A9 _3 m! Z( x; T投注大球的期望回报总数为:3 i4 K7 | _3 h
∑D=P3* Bo/2 + Bo* O*(∑Pn-P0-P1-P2-P3), u3 x) D/ X/ C' f
= P3* Bo/2 + Bo* O*(1-P0-P1-P2-P3)
- o+ k# t' {% t: E( \' 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。9 v. ~! l2 f5 O F p3 s
∑D=P3* Bo/2 + Bo* O*(1-P0-P1-P2-P3)=Bo J+ z$ T3 Y4 k, e' E! C
P3/2+ O*(1-P0-P1-P2-P3)=1
- T+ S3 U+ g( N! } O*(1-P0-P1-P2-P3)=1- P3/2% l( R+ q, L# R3 z' s* I2 U
在此盘口下,大球的赔率为 O=(1-P3/2)/(1-P0-P1-P2-P3)
* j T9 I' `6 u5 N; g/ s 或者表述为 O=(1-P3/2)/∑Pn----------(这里n=4;5;……x)
+ u" j- Z6 K' k( d5 R2 r; u: F, v x4 k) _% Z+ s2 D( s
在大小球盘为3/3.5球时,投注小球的回报总数额为:4 B |+ F" s( N z
K=0 X0=Bu*U
; E: S5 k/ r+ }) D2 iK=1 X1=Bu*U % v/ p" ^8 z4 A6 b6 r& |# i
K=2 X2=Bu*U
& e D0 _) Y, P6 aK=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 t4 P- W8 \; p9 ?J=4;5;....x X4+=0" Y9 N, W& S/ W* m
* ^( u3 X- `! ]+ I+ M: a投注小球的期望回报总数为:4 G; n* u. _& J7 n
∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2+ P3*U* Bu/24 r5 N+ k9 ~1 ~7 t+ 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。; Q+ r0 z# s- `" ]8 q) I
∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2+ P3*U* Bu/2 =Bu
( Y0 J- X( D2 S0 S+ d- c# s* m( `. } U*(P0+P1+P2+ P3/2)+P3/2=1
; w, n9 Z. Y! G# ~0 x; m 在此盘口下,小球的赔率为 U=(1-P3/2)/(P0+P1+P2+P3/2)
5 O6 e9 ~9 P4 o" ~3 E, n$ E+ |8 V8 {6 d# }
! U! E4 T" n% K' K% y" A
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.8 F, M. J$ j' x ~. U$ |" 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!) C! [$ h0 q3 N& F7 ^& L1 W
# C1 K$ o# ^/ ^# q+ Y/ @* 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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