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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。 {2 U8 Q q9 x' q- z, p0 c
我们先引入下列符号:8 R0 M& A/ T+ X# ~" E
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 V4 F8 M3 w8 e3 |即:P0=全场进0球的概率;P1=全场进1球的概率;……。. n) x, G3 ]8 V# J+ [( @: P
那么 ∑Pn=P0+P1+P2+……+Px=100%。, [( x- J4 [( t' q* T
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。
, {" B. I2 ^" H1 b4 MBu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。
, O' \: g# D+ M) o5 u! Z6 o! E) R! J I/ a c
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。
! j, x( v4 M; E) e在任意盘口G下,全场比赛会出现如下3个结果: u4 J. d9 f! |( f% K, B* ?) S
1:K>G 即出现我们通常所说的大球。4 E2 o) r- p. l9 X$ W6 t& D
2:K=G 即出现我们通常所说的走盘。+ b! `7 d/ [0 V4 Y4 y
3:K<G 即出现我们通常所说的小球。8 g& F5 j/ a4 l- e
' B& N7 g. f7 `2 M# f% t那么在此盘口下投注大球的回报总数额为:5 j: \7 j; w% y" Z8 t
D1:(K>G)={Bo* O 即赢盘获得与此盘口相对应赔率的回报。+ j5 n7 {* i- s7 _
D2:(K=G)={Bo 即走盘退回本金。+ Y) F# K( z" t0 W
D3:(K<G)={0 即输盘失去本金。# y- l4 d2 t; ]& ~
& | D: t6 W. I8 e* e% i& u同理在此盘口下投注小球的回报总数额为:5 j& U7 X3 D& X$ r3 `
X1:(K>G)={0 即输盘失去本金。
: @5 m. }6 B8 T$ B$ f2 H) [1 N8 TX2:(K=G)={Bu 即走盘退回本金。3 D' u: W/ Q% D a$ h; z
X3:(K<G)={Bu*U 即赢盘获得与此盘口相对应赔率的回报。
, V& W: b, p0 u# i3 }: Q1 G( }. X3 r; w4 T) v, I+ X- x
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。
. k: P$ W9 x( x9 e: E6 r9 w5 v! C: R9 S( r, g/ _
1:大小球盘为2.5球(G=2.5)- ~2 z/ Y* [; @
7 j2 D% D+ `2 L) b* C& m! Y) z
在大小球盘为2.5球时,投注大球的回报总数额为:0 ^; p q3 U) [( w
K=0 D0=0 " v6 g" K) J' M/ Y6 n1 ?- F
K=1 D1=0
8 o9 }" h' D$ \( y9 oK=2 D2=0
T1 }2 z* k$ K: XK=3;4;....x D3+= {Bo* O
& B; u* ~2 H* b4 ]
) K* h7 M+ w4 Z# C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)
% m$ G7 L K, ?# u* b1 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。
+ a9 `# H6 B/ b7 C1 t ∑D=Bo* O*(1-P0-P1-P2)=Bo
6 v$ G( z% [3 P/ j- L" B! @ O*(1-P0-P1-P2)=1- q3 A# I `4 j# e8 b, ?: ^6 c
在此盘口下,大球的赔率为 O=1/(1-P0-P1-P2)
) T T; m/ n; M 或者表述为 O=1/∑Pn----------(这里n=3;4;……x)
$ N5 p! i# t7 ~% ?' i3 j* ^
6 D, n+ z7 f# B5 T在大小球盘为2.5球时,投注小球的回报总数额为:' x2 w4 k+ a5 t4 `% M8 u. T& Y
K=0 X0=Bu*U
( s5 N. U% r1 r' s! jK=1 X1=Bu*U : q d- W S: a X
K=2 X2=Bu*U
3 s$ f: v' p" q) r4 CK=3;4;....x X3+=04 W" b9 y: o' K }* ~% p+ \
& F$ B8 u3 n! A5 W# U5 L
投注小球的期望回报总数为:∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+ J$ q9 J9 K7 p% H1 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。6 g2 Z- F) f7 W3 f* y
∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U=Bu* y( g% T( e5 A- p1 X5 `
U*(P0+P1+P2)=1
* g& M* A K+ y/ d' f2 |# |5 n 在此盘口下,小球的赔率为 U=1/(P0+P1+P2)$ j6 g J( N. i& r3 `" J" V
/ `' z. K& E0 g$ A* r4 N& F
2:大小球盘为3球(G=3)! D; e' X% v" a
- e) s) C) P9 ~' N0 m/ M; V/ I; q& d在大小球盘为3球时,投注大球的回报总数额为:
/ o6 Z4 ~% m4 P* JK=0 D0=0 ! q- U+ g( h1 |: M, w
K=1 D1=0 , F2 Q9 D3 C: ?$ I& ^
K=2 D2=0' S% n- q5 b1 @5 G
K=3; D3= Bo0 U- _1 I. ^" P7 r* W
K=4;5;....x D4+= {Bo* O p$ b% |7 u% I2 N; N- s) T
; p9 e5 W: Z7 A) N2 R3 Y
投注大球的期望回报总数为:- W# E1 L, W+ Y( E, b5 h; c# O
∑D=P3* Bo +Bo* O*(∑Pn-P0-P1-P2-P3)= P3* Bo +Bo* O*(1-P0-P1-P2-P3)
0 t: n) s; T8 _, s4 N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% P& Q9 [* _! X: |9 L ∑D=P3* Bo +Bo* O*(1-P0-P1-P2-P3)=Bo% u- X/ a. v+ p) v m! r! S
P3+ O*(1-P0-P1-P2-P3)=1
! Q0 t p% T& u9 ` 在此盘口下,大球的赔率为 O=(1-P3)/(1-P0-P1-P2-P3)* @1 s. o" @! B1 a- T+ {8 b
或者表述为 O=(1-P3)/∑Pn----------(这里n=4;5;……x)
6 c! J& w. Y" Y; F0 L' k2 G3 o/ F) q8 r9 C
在大小球盘为3球时,投注小球的回报总数额为:. r' U' g1 w6 {( }: _
K=0 X0=Bu*U : ]4 `+ f( v9 B, v8 L; Z4 k
K=1 X1=Bu*U # C! d) d2 V2 m/ z5 ?1 n# m
K=2 X2=Bu*U 3 b2 z2 X! m8 l# M& g
K=3 X3= Bu, D+ J Y8 m+ O
J=4;5;....x X4+=0
) S$ B1 i" ?8 F$ G" @7 _5 C* u! ], K5 y0 Y( M8 ?
投注小球的期望回报总数为:∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu8 R! g; s- e/ T/ _3 d$ f3 [2 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。! @3 s& F9 b- `7 X! |3 h; W
∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu =Bu* D$ o! ]4 x0 @1 t9 S
U*(P0+P1+P2)+P3=19 X0 ]9 p* _ P# b" A- E9 g3 ]
在此盘口下,小球的赔率为 U=(1-P3)/(P0+P1+P2)
8 V7 D- e$ E- d7 A% W \3 b: s, n7 f# V
3:大小球盘为2.5/3球(G=2.5/3)* q5 F/ K: y+ d0 c- _
3 P9 U" ^* p% g3 ?$ ]" m, U
在大小球盘为2.5/3球时,投注大球的回报总数额为:! m, k# n7 F0 L8 L6 @1 ^& w7 K
K=0 D0=0
& ]0 m3 I6 [" F: RK=1 D1=0 + O A$ Q; M* K( p$ D! a0 g
K=2 D2=0
' A; ~- @1 R# F/ \, w! 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)9 o) v. \" _4 S" ^8 Y! C
K=4;5;....x D4+= {Bo* O
& z' x5 X* w% l Y& G: f( R+ e+ X( m* l0 `$ |
投注大球的期望回报总数为:, z5 Z0 Q* P; M+ P7 x$ q
∑D=P3* Bo/2 +P3* O*Bo/2+Bo* O*(∑Pn-P0-P1-P2-P3)
: ^0 n2 [+ b4 e: c: s# V+ n = P3* Bo/2 +P3* O* Bo/2+Bo* O*(1-P0-P1-P2-P3)6 w3 I" Q4 |* f7 b1 P' X# [
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。8 N' T) ]# c" o2 y5 G. g& d
∑D=P3* Bo/2 +P3* O* Bo/2+Bo* O*(1-P0-P1-P2-P3)=Bo
: p$ B2 c0 r- {0 Q) q+ S4 U P3/2+ O* P3/2+O*(1-P0-P1-P2-P3)=1
4 ^0 x) t1 ~8 k1 r0 `/ g O*(1-P0-P1-P2-P3+ P3/2)=1- P3/2
/ E" q7 N# [! E' \ 在此盘口下,大球的赔率为 O=(1-P3/2)/(1-P0-P1-P2-P3/2)
, N4 r4 L" s5 p( J3 k+ A/ ]! q- C% N3 X0 o2 U2 v4 I8 T
在大小球盘为2.5/3球时,投注小球的回报总数额为:
/ S) g L4 D( ^0 NK=0 X0=Bu*U
3 k3 V1 q8 E; [3 xK=1 X1=Bu*U
: I# R! G6 r, k5 D. c0 O- @K=2 X2=Bu*U
: D% w2 z% c3 j' ?/ iK=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)+ R% e2 p q, I/ a( b
J=4;5;....x X4+=0) u1 \3 }5 P0 Y
- {2 p1 V7 J4 M" ~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
* ] j5 V1 a, W( Z* y) `1 h7 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。1 v# _1 B; u, d5 `
∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2 =Bu
; V# L+ N. x1 h n5 q' O U*(P0+P1+P2)+P3/2=1
( _ d6 J u9 G! u5 q% X2 V 在此盘口下,小球的赔率为 U=(1-P3/2)/(P0+P1+P2)
, O0 M& D2 X1 u9 I( o0 y2 R4 M+ A! p) l- v. p- B/ E4 n+ ]/ f
4:大小球盘为3/3.5球(G=3/3.5)) M2 x2 s, B+ t& D* k
# A; [7 N q- D
在大小球盘为3/3.5球时,投注大球的回报总数额为:
9 ^" B& l' _: Y) g. S, u4 uK=0 D0=0
r7 s5 D- f0 b- ]" t FK=1 D1=0
4 d5 V4 v* f& g) ]+ n9 `6 G- q- XK=2 D2=05 D5 B' H) n% j2 H& X5 Y
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)
1 `. A; n) m0 v& x. \- nK=4;5;....x D4+= {Bo* O
) Z7 f: W* Y, a! b
% j7 k8 t$ a6 N投注大球的期望回报总数为:1 F8 J: s, j9 D( A8 Q2 Q+ _1 g
∑D=P3* Bo/2 + Bo* O*(∑Pn-P0-P1-P2-P3)
: ?3 J( B+ s2 _. F = P3* Bo/2 + Bo* O*(1-P0-P1-P2-P3)
7 Y+ b; y- J& {! ~, Z6 ~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/ _3 n5 F) o" ?
∑D=P3* Bo/2 + Bo* O*(1-P0-P1-P2-P3)=Bo) B+ d7 x7 O- r/ `5 X* h2 q
P3/2+ O*(1-P0-P1-P2-P3)=1$ d5 M& S+ g, O8 W& S; i2 @
O*(1-P0-P1-P2-P3)=1- P3/2
( T% q. v) j3 f+ W( L 在此盘口下,大球的赔率为 O=(1-P3/2)/(1-P0-P1-P2-P3)1 m; ?9 Z4 N- R5 [6 B2 x
或者表述为 O=(1-P3/2)/∑Pn----------(这里n=4;5;……x)
' O0 f' l8 k. ^0 B/ N# g8 I7 A6 `7 V9 k! V) v9 \" H# Z& {' K
在大小球盘为3/3.5球时,投注小球的回报总数额为:
- v# j# X& g4 J5 |K=0 X0=Bu*U
& ~( [/ H9 v1 v# v6 ^. S' CK=1 X1=Bu*U $ v' {% g: y5 ~4 T, Y. P
K=2 X2=Bu*U
) X! \. L, ]0 k6 r) X' KK=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)
! m" F( w- w& f+ f0 MJ=4;5;....x X4+=0
" x3 w! _: p4 g3 f* t# A3 e/ R4 b( `. a2 l7 l* u
投注小球的期望回报总数为:
* n3 z9 H! W8 @ O' K4 t ∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2+ P3*U* Bu/2
d- Q; @. T( D* ?8 A0 t0 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。- @# v7 _" J5 n, M9 x; N. ?
∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2+ P3*U* Bu/2 =Bu4 U& H/ O! f/ j: l1 N8 ^1 O' K
U*(P0+P1+P2+ P3/2)+P3/2=1
: w" L9 T4 m5 ~0 `, j- I 在此盘口下,小球的赔率为 U=(1-P3/2)/(P0+P1+P2+P3/2) i7 I3 c @$ R
$ q b/ k# j8 m2 S0 p/ m, @3 ~- R) ^3 P J: h! x% {, G
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.: @; t% x" a# j
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!
% }/ b# w7 J% _( O: v: `( F" Q0 A" v6 }% Q/ q) t& H
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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