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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。 Y4 t( O! F. n; c* u
我们先引入下列符号:; T" J' i- V# w5 L: k
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 u; H( d. A) J. j! a即:P0=全场进0球的概率;P1=全场进1球的概率;……。; _/ W8 o! C z) s# a/ W
那么 ∑Pn=P0+P1+P2+……+Px=100%。
! F8 J8 ?' G' R; D# p4 GBo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. R. i, p, X: m8 KBu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。% W' l! ?5 ~1 X+ S8 l
$ }5 \% N, T1 _0 O- y+ Q, Y 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。. {- I5 a- Q% J( O$ {9 |5 K
在任意盘口G下,全场比赛会出现如下3个结果:
$ v( }. C. ]5 r4 B1:K>G 即出现我们通常所说的大球。
, {. q* B. [7 R9 f; N2:K=G 即出现我们通常所说的走盘。( p! o4 b9 s) A }6 E% U0 P/ p. z
3:K<G 即出现我们通常所说的小球。
) M0 s) s2 d, H4 b/ Y7 B5 _$ T Q! f* B" [ m6 E- w% U5 V6 m5 ~# B2 f
那么在此盘口下投注大球的回报总数额为:
% [- n4 }+ ~3 }" x( YD1:(K>G)={Bo* O 即赢盘获得与此盘口相对应赔率的回报。
* |4 I9 G2 Y, V/ eD2:(K=G)={Bo 即走盘退回本金。. x6 \, l. C- J' t6 m2 B
D3:(K<G)={0 即输盘失去本金。! G( Z" G& \( ?* x
9 \5 I+ d& R: o" E& P, G同理在此盘口下投注小球的回报总数额为:
# \: o! T7 X( f3 _X1:(K>G)={0 即输盘失去本金。9 Z% {. |% |' J/ e) J2 ?0 }
X2:(K=G)={Bu 即走盘退回本金。' B2 h" T+ @( e0 t& V7 F
X3:(K<G)={Bu*U 即赢盘获得与此盘口相对应赔率的回报。! k& N3 f. p" O4 a0 Q. a4 U+ s/ `5 @
( ]" G% Q/ ~* S. e, i) q! e
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。
8 i6 J" a6 C# m1 _+ l9 o$ B" R1 w* L: U
1:大小球盘为2.5球(G=2.5)! B! Q. A( J( d
/ `$ q; q5 I' |- M在大小球盘为2.5球时,投注大球的回报总数额为:
+ [6 ? D9 M5 [; z$ Q# `+ WK=0 D0=0 # q4 ~9 l) r ^. T/ {
K=1 D1=0 ( W1 M7 d8 `4 ?& a2 U1 Q- V6 ^
K=2 D2=0
d! Y' A& K8 ?K=3;4;....x D3+= {Bo* O
8 y5 m; b ~! M, }0 h, A7 E3 k
0 g8 C- [' v- s! J9 h, G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)/ }4 w6 \1 Y0 d& s0 u0 v. h3 T
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。# _/ g" R5 b; K$ @, [" O8 F
∑D=Bo* O*(1-P0-P1-P2)=Bo! |3 }9 ]! o* e
O*(1-P0-P1-P2)=19 j4 u& Y, O, W& Y/ u
在此盘口下,大球的赔率为 O=1/(1-P0-P1-P2)
# r6 j% {0 E7 K B3 \ 或者表述为 O=1/∑Pn----------(这里n=3;4;……x)* u* J+ |, r+ c7 U
6 b" W4 r6 r" N) n5 B
在大小球盘为2.5球时,投注小球的回报总数额为:) ~% `2 y# j2 I" }6 ^; E
K=0 X0=Bu*U
! H" x/ W' F6 @ k) Z# [9 uK=1 X1=Bu*U
! ^( j. m X7 @4 a- w- |5 IK=2 X2=Bu*U 0 z; h$ L; y1 W* K8 {+ R
K=3;4;....x X3+=0
U1 |& ~# p% s4 U4 t" i
/ i% n* K4 R ?2 w投注小球的期望回报总数为:∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U- O8 p7 i, k7 ~$ _1 d2 O+ 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。
5 f- @* R1 I2 b) r5 _% G3 v, ~4 e Z ∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U=Bu
Z& u( v9 z1 x$ b6 F6 [ U*(P0+P1+P2)=1
3 O. `8 U" \5 R& ^3 A( [ 在此盘口下,小球的赔率为 U=1/(P0+P1+P2)
/ q- I" Y( K& V4 g: Y9 M5 }* k2 @ B: m3 c1 }! R1 Q
2:大小球盘为3球(G=3)8 z. q1 x1 {: @) o3 v
! o5 _7 M( g9 O% ^1 b
在大小球盘为3球时,投注大球的回报总数额为:
" `! t* \* @7 ~. p- a6 tK=0 D0=0
. b. Y3 W! R- W8 \; L- Z; |K=1 D1=0 7 V* ?) V9 D _8 }
K=2 D2=0" T: @; ^5 n d4 ^0 L
K=3; D3= Bo
4 D; ]$ C$ R+ |+ K" R4 `K=4;5;....x D4+= {Bo* O 8 Z2 ]7 |2 ^/ ^
9 t4 @/ E3 z& X投注大球的期望回报总数为:
- C6 o: Z" {% G* q$ \% U4 s8 p% d∑D=P3* Bo +Bo* O*(∑Pn-P0-P1-P2-P3)= P3* Bo +Bo* O*(1-P0-P1-P2-P3)
$ C) |8 h- h! c$ G/ T- 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 o6 b+ E% D, U9 o8 X
∑D=P3* Bo +Bo* O*(1-P0-P1-P2-P3)=Bo) d: S$ d$ K Z. D3 w3 y* J- d
P3+ O*(1-P0-P1-P2-P3)=1. B" c: ~# |) x: P
在此盘口下,大球的赔率为 O=(1-P3)/(1-P0-P1-P2-P3)
+ u E5 I6 F8 ?& J 或者表述为 O=(1-P3)/∑Pn----------(这里n=4;5;……x)
& C' \' v: Z' b' s: o& I9 { [2 q
, r& B% T; J0 w! ]$ t在大小球盘为3球时,投注小球的回报总数额为:& d a, a; U2 ?1 M% R8 z4 C* s
K=0 X0=Bu*U % E0 j6 j( D5 n) _' [" O% T
K=1 X1=Bu*U ( C" y- q" Q; \# R
K=2 X2=Bu*U
X% K8 L/ a# mK=3 X3= Bu7 a2 @- W3 ~% \2 m3 q t. V
J=4;5;....x X4+=0
' L2 k) L5 K$ U
1 I' g2 d( g0 U) K# j/ j投注小球的期望回报总数为:∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu4 f: U/ J: k* h7 |' W
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 l- {9 W& D+ D% }
∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu =Bu
O7 g' m6 A3 g4 @* I3 B0 n U*(P0+P1+P2)+P3=13 b/ [/ q5 i( r7 v
在此盘口下,小球的赔率为 U=(1-P3)/(P0+P1+P2)
/ Y' F+ b! o0 X( N0 K# p+ Y( H" a2 }4 n+ i, T$ F+ [$ z7 M8 r& ]: _
3:大小球盘为2.5/3球(G=2.5/3)
/ p: P2 \- Z: l5 r9 Z- ]5 Z, _9 G; f. u8 m' p# X5 E0 y
在大小球盘为2.5/3球时,投注大球的回报总数额为:
7 v4 i% E# Q$ @$ {* R1 `4 C7 v! lK=0 D0=0
|; }7 h8 D1 h- ^K=1 D1=0 ) m% i8 c5 \' H4 G
K=2 D2=01 T7 g5 X) {( s$ n$ H/ z
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)5 a, K. S# o1 `7 v8 @: {- j& \
K=4;5;....x D4+= {Bo* O 7 U) x) `% {$ _4 M; b
l6 Z3 d3 f( M: T( l/ F% B投注大球的期望回报总数为:
# I1 h' F1 @# V3 K% } ∑D=P3* Bo/2 +P3* O*Bo/2+Bo* O*(∑Pn-P0-P1-P2-P3)
& L0 S7 k8 s% _9 o5 S5 I = P3* Bo/2 +P3* O* Bo/2+Bo* O*(1-P0-P1-P2-P3)- Z% J) }8 S2 [
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。$ A! D+ |- b4 I* W
∑D=P3* Bo/2 +P3* O* Bo/2+Bo* O*(1-P0-P1-P2-P3)=Bo% Y0 D0 R9 H% R7 G3 T: ?$ B
P3/2+ O* P3/2+O*(1-P0-P1-P2-P3)=1
3 t. D; Y9 `' ?+ a' ?/ G5 i: X O*(1-P0-P1-P2-P3+ P3/2)=1- P3/2! P/ s' H: f8 y7 z: j) _
在此盘口下,大球的赔率为 O=(1-P3/2)/(1-P0-P1-P2-P3/2) 0 _/ `/ N1 x8 W+ r: H. k& l2 f5 t# u
# z5 J- N6 P% V
在大小球盘为2.5/3球时,投注小球的回报总数额为:
( b8 N) j% r5 I; e8 eK=0 X0=Bu*U . R& Y2 U. Z* @/ F
K=1 X1=Bu*U 3 ]9 s8 _3 \! Y. ^1 j1 `" e
K=2 X2=Bu*U * Z4 \" J9 h9 S$ i1 W/ L; \
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). C9 p$ t \* H" g& I! Q
J=4;5;....x X4+=0
4 d3 a7 y. i2 ~
. `" A" y8 |) t& E( [& x7 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
; ?! F7 M @* r; C4 h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 N! ?- s0 @4 I4 y' d L ∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2 =Bu
q2 W" K. w" i2 a7 ^# v U*(P0+P1+P2)+P3/2=1
( o8 R. F! b& r* F& h8 E 在此盘口下,小球的赔率为 U=(1-P3/2)/(P0+P1+P2)
) G; I: K9 Z+ K! |6 ?; ^ H I
1 m, B1 I4 s6 C5 ?0 G4:大小球盘为3/3.5球(G=3/3.5)" i E4 C( i1 k& V& ~- ~
$ u5 F/ S/ |9 w& i: ]在大小球盘为3/3.5球时,投注大球的回报总数额为:
* A& V. ?. v. X$ P5 MK=0 D0=0
i1 y& \7 q" ?7 y* qK=1 D1=0
$ U) x+ N( T: c6 o' @K=2 D2=0
$ [ n( f% R9 n" u% r$ qK=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)
5 s5 q$ `) d z' k( P3 ?" mK=4;5;....x D4+= {Bo* O
" `% y! Q, x/ Z8 m& r
' w/ s1 ~/ B# A/ y: |投注大球的期望回报总数为:
2 z0 y* e. R& w- O4 q0 d ∑D=P3* Bo/2 + Bo* O*(∑Pn-P0-P1-P2-P3)
- \! x. a" H6 I2 t0 }% ~ = P3* Bo/2 + Bo* O*(1-P0-P1-P2-P3)8 w2 Z l! ^1 Z4 n2 h( G0 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。
; }, H ?. a# R$ P' ?' f4 R: ^$ n ∑D=P3* Bo/2 + Bo* O*(1-P0-P1-P2-P3)=Bo
* g2 `5 k9 @& x! { h5 M( @ P3/2+ O*(1-P0-P1-P2-P3)=1* F3 I6 f9 M& ^/ [
O*(1-P0-P1-P2-P3)=1- P3/2
& b# j/ P: ^# u/ J6 M8 a9 N7 Y 在此盘口下,大球的赔率为 O=(1-P3/2)/(1-P0-P1-P2-P3)2 H1 N7 o0 {3 Y) M! H9 d. c
或者表述为 O=(1-P3/2)/∑Pn----------(这里n=4;5;……x)# Z! b' Z% W. h! D; k" @! ~- y* _
8 z: ^) U/ P! U7 n/ i' {: N
在大小球盘为3/3.5球时,投注小球的回报总数额为:$ [6 C; r% a0 ?$ v# f- g2 S- {4 `
K=0 X0=Bu*U 1 r2 c! b; I0 v9 l, c
K=1 X1=Bu*U 4 N+ X1 B1 y1 @! R3 W3 w0 A( W
K=2 X2=Bu*U ! @9 ~: T+ h3 W- U8 e
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)
* \. }7 y Z* i; Z( |- ]) ]6 uJ=4;5;....x X4+=0
- l- C- d) W" @ }" N
, v, `- ~0 A8 j4 @ p$ O% T# n投注小球的期望回报总数为:
" m! u* F, X0 G ∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2+ P3*U* Bu/26 g N9 {3 t3 g; G- F' Y. 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。
) o* Y7 G$ { x8 j# b7 q S+ v ∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2+ P3*U* Bu/2 =Bu
+ g% i h3 M; H8 q. }! x* @+ L U*(P0+P1+P2+ P3/2)+P3/2=1
) G/ X( g: G' j4 c. [ 在此盘口下,小球的赔率为 U=(1-P3/2)/(P0+P1+P2+P3/2)
& b! J' [$ Y0 p g. h% [
. d2 d6 U' Z. x5 l. {6 i" D9 H. a" e+ D
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.2 G3 I: b8 `& T1 D0 W
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!$ S# Z; d* z; }9 }( c) _
5 {& i7 k9 W0 u8 YP0 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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