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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 ]8 J8 v! b3 ]1 P
我们先引入下列符号:- D5 U. V* S2 I( R$ o
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。" Y: J$ _4 X# Y9 J1 D0 h- R' z
即:P0=全场进0球的概率;P1=全场进1球的概率;……。. j4 E+ K3 X" o' {. D
那么 ∑Pn=P0+P1+P2+……+Px=100%。& k1 k: ^1 K4 K+ |& p
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。$ N1 r" u. r/ }" `$ G8 f+ X' e
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。
# X3 Y! | z }1 o# r3 D, \' u6 i) F x' q5 p8 Q8 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。! v; {7 A, y7 m$ _/ V5 Q& i1 n
在任意盘口G下,全场比赛会出现如下3个结果:
) `3 A+ {1 h2 a6 d1:K>G 即出现我们通常所说的大球。# A3 w Y7 b, o
2:K=G 即出现我们通常所说的走盘。/ G9 e2 {% O( y( D: G
3:K<G 即出现我们通常所说的小球。
: Q3 S3 o; ]# j& d* C g/ p7 V) V
8 p; s, f, v" F' e4 r0 l那么在此盘口下投注大球的回报总数额为:* [* V- n: _# y0 p. t8 f) C
D1:(K>G)={Bo* O 即赢盘获得与此盘口相对应赔率的回报。
" H, T5 L+ F4 g" h5 h4 D& _2 cD2:(K=G)={Bo 即走盘退回本金。
, G% l, M" A D- `6 LD3:(K<G)={0 即输盘失去本金。
" q" q7 k/ \; s1 z( G# r7 {" R. C3 q5 K |# q+ `. [
同理在此盘口下投注小球的回报总数额为:+ m+ i5 A8 m' r( Y9 C/ w. j
X1:(K>G)={0 即输盘失去本金。
7 m7 ?! ] t' U6 S. i. WX2:(K=G)={Bu 即走盘退回本金。 ^" Y: D( a0 ^3 y8 q5 b L/ w
X3:(K<G)={Bu*U 即赢盘获得与此盘口相对应赔率的回报。
6 |3 U# P, `( ]2 d" v
B4 Q. `3 h- q3 Z$ \; D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。' B0 j3 |3 a4 {( E: t5 p
) B# D6 a, p9 ^' J1:大小球盘为2.5球(G=2.5)
4 O4 ^" a2 c4 E5 |( |
9 \" m% z. ?! c" g在大小球盘为2.5球时,投注大球的回报总数额为:" N8 J# }9 i- F' j0 N
K=0 D0=0 ! X, s: \' t; x$ R
K=1 D1=0 0 s# {; x/ }( ^) O
K=2 D2=0
% Y4 X$ _+ Z* B; ?1 @' ]1 Q, S; H; eK=3;4;....x D3+= {Bo* O
2 k8 W* H) y$ v2 o. y
) I$ q0 |, ]' g2 G1 g: b; M5 h1 s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)' l5 R3 ~2 u6 c3 a% C0 \7 n, P
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。- `. U% j/ P3 [7 m8 g' R+ ?( d
∑D=Bo* O*(1-P0-P1-P2)=Bo- t# M) A( V# W
O*(1-P0-P1-P2)=1
?- J' N7 \. `+ X- b 在此盘口下,大球的赔率为 O=1/(1-P0-P1-P2)0 o+ c( \% A. v7 P0 G
或者表述为 O=1/∑Pn----------(这里n=3;4;……x)5 K; E- H3 U% o4 V1 ~6 j6 y
* f! a% r3 S" @
在大小球盘为2.5球时,投注小球的回报总数额为:0 c2 `2 \; L3 @
K=0 X0=Bu*U 9 ~' A0 [2 V, k( v3 p& K. k
K=1 X1=Bu*U
/ T8 v- `6 y2 n! U! P+ mK=2 X2=Bu*U
3 [4 R9 S! h& ^- {' x% C. t$ CK=3;4;....x X3+=0: R0 n7 i) H7 O K, Q+ I: `
1 E) q3 P- O- U. U0 d, z3 o投注小球的期望回报总数为:∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U
8 t7 B1 V, I* {. w D5 ]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 i1 {/ s& G& F7 b9 K ∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U=Bu, b4 G% v8 a" A. q& \
U*(P0+P1+P2)=1
" c! E3 u6 u# ^8 W" f- j+ E: ~ 在此盘口下,小球的赔率为 U=1/(P0+P1+P2)
_, y- c& P7 B! K, {* f# m, `/ {0 Q2 B" ~# h1 T) o5 B
2:大小球盘为3球(G=3)
0 S; n- }) ~9 J) ^
2 W' `; b5 j! N. \0 S在大小球盘为3球时,投注大球的回报总数额为:
! q: |' }$ Z/ J# `* l6 e$ {3 L$ yK=0 D0=0
, c$ _' D' \' b( nK=1 D1=0 p, x) Q4 w- H$ t) f0 o) B- ^& n1 }
K=2 D2=0: t0 n! y. n3 R$ ]+ G1 F! [2 K
K=3; D3= Bo
: g3 @8 E0 c) i, w9 ?. ]: c( XK=4;5;....x D4+= {Bo* O
" G' Z# [! S7 G
- G% u) V0 G+ X9 q }+ W4 p投注大球的期望回报总数为:
! B) c: ^. y+ z% q! s( j- x∑D=P3* Bo +Bo* O*(∑Pn-P0-P1-P2-P3)= P3* Bo +Bo* O*(1-P0-P1-P2-P3)4 P' N5 f I; U; \" 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。2 o6 x. g. U& X
∑D=P3* Bo +Bo* O*(1-P0-P1-P2-P3)=Bo
5 r$ Z+ y2 y2 i9 v P3+ O*(1-P0-P1-P2-P3)=11 |( S- o, U2 e
在此盘口下,大球的赔率为 O=(1-P3)/(1-P0-P1-P2-P3)
/ x t) v0 A1 N5 ~, Q0 Y4 X) s 或者表述为 O=(1-P3)/∑Pn----------(这里n=4;5;……x)% A% u" [& l9 S
1 l- K3 p, r# M
在大小球盘为3球时,投注小球的回报总数额为:0 m) \5 c U3 _) }6 \9 \; e5 B# C
K=0 X0=Bu*U
: ?5 z5 J/ q5 _ t$ QK=1 X1=Bu*U
7 U0 d& O. V& g ?K=2 X2=Bu*U
3 f/ M; g2 x3 xK=3 X3= Bu
1 d2 t6 a$ P7 H d( @J=4;5;....x X4+=0
3 J' T. |; d3 W* J2 r+ b& n# O" g+ I8 B( O7 c' u$ ^0 U x8 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: V& F: t% b5 ~7 b# c
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 B; } }6 P9 ?6 r" ~
∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu =Bu. W+ c6 q8 Y$ f/ z& r
U*(P0+P1+P2)+P3=1- y" I8 e( K; S; a( _' n+ {; K
在此盘口下,小球的赔率为 U=(1-P3)/(P0+P1+P2)
2 u: a" l$ }, y7 ^
7 o* t# r, W, [7 A& y3:大小球盘为2.5/3球(G=2.5/3)6 k' u, ]7 d C: o
' X+ q9 Z9 O) Z6 `/ q, H0 T7 M在大小球盘为2.5/3球时,投注大球的回报总数额为:
! B) w, C; ]. P" lK=0 D0=0 % j0 k0 v* h; ^
K=1 D1=0 3 ]! w; r, i5 n2 c
K=2 D2=0$ U, m4 S z" A$ D1 K, h. \& h
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)
' ~1 |; A5 I0 S+ a/ Y* A0 ]7 pK=4;5;....x D4+= {Bo* O
7 n: B% @% C3 o
9 I8 ~& }. |' B$ @3 N投注大球的期望回报总数为:, G- _9 L B0 W
∑D=P3* Bo/2 +P3* O*Bo/2+Bo* O*(∑Pn-P0-P1-P2-P3)- T/ f) J+ @0 {& v. x( G
= P3* Bo/2 +P3* O* Bo/2+Bo* O*(1-P0-P1-P2-P3)
! a0 K, Z( q$ V7 |9 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。. |( n/ }5 h$ t2 o5 w3 R
∑D=P3* Bo/2 +P3* O* Bo/2+Bo* O*(1-P0-P1-P2-P3)=Bo% {2 k# @0 |% _& C+ N
P3/2+ O* P3/2+O*(1-P0-P1-P2-P3)=1
l: G3 K) i4 e) I O*(1-P0-P1-P2-P3+ P3/2)=1- P3/2/ d6 E! k7 Y, z5 b Q
在此盘口下,大球的赔率为 O=(1-P3/2)/(1-P0-P1-P2-P3/2) ; p1 ~! M' H& o! T
8 t3 `2 K2 t% {- C; M0 s
在大小球盘为2.5/3球时,投注小球的回报总数额为:/ o! q- ?+ o& Z( e
K=0 X0=Bu*U
7 F. \8 I& x q! c1 o. jK=1 X1=Bu*U
& l" m; ^. f2 Q2 ?0 ^/ bK=2 X2=Bu*U 8 R! Y8 v! `" S7 L1 V+ y3 [
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)
) y' v8 y2 I1 o. g0 k2 }0 r+ _& yJ=4;5;....x X4+=0. A3 _4 D% I% _0 L7 i" I! Y
$ v/ {+ z8 G3 X A4 A6 K; |- B3 I
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
% M5 {6 x' V9 Y* U$ _& X% D0 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。
2 v5 d @- m3 v5 y& |3 ~& B ∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2 =Bu6 S8 O) `; c* O$ B+ b/ U% s! X
U*(P0+P1+P2)+P3/2=1. G s$ S- i p5 L% U l
在此盘口下,小球的赔率为 U=(1-P3/2)/(P0+P1+P2)
* ^4 M% {+ A9 N
# y3 i7 L8 b% H+ D- u" u+ E4:大小球盘为3/3.5球(G=3/3.5)
9 H# F" u y6 m7 j% E9 }3 N
% `: Z/ G5 Q; k2 Y) J在大小球盘为3/3.5球时,投注大球的回报总数额为:
6 Q$ N3 G8 ]3 r, pK=0 D0=0
5 O. a2 x! Q$ T; @" T/ ~7 A) EK=1 D1=0 ; @/ j. K# D j1 x
K=2 D2=07 b7 q6 H. k& K
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)
2 X# N+ C" j4 ?; c0 F( w. BK=4;5;....x D4+= {Bo* O
7 Y2 l& s0 X9 p- U/ O
& S4 m" K3 d) t2 b. M投注大球的期望回报总数为:
- y& K; w$ p1 M+ E5 p% c5 e ∑D=P3* Bo/2 + Bo* O*(∑Pn-P0-P1-P2-P3)/ E- ^% n2 L: F" x
= P3* Bo/2 + Bo* O*(1-P0-P1-P2-P3)4 c( |2 g7 o- A
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' o, ]1 y$ G
∑D=P3* Bo/2 + Bo* O*(1-P0-P1-P2-P3)=Bo# O4 j" I( [7 [* P P
P3/2+ O*(1-P0-P1-P2-P3)=1
$ r& r% b0 v6 n; v2 p O*(1-P0-P1-P2-P3)=1- P3/2" W# B# x7 D, u! }# v# o* f
在此盘口下,大球的赔率为 O=(1-P3/2)/(1-P0-P1-P2-P3)8 f7 W- _7 y! p; D! o; }( h
或者表述为 O=(1-P3/2)/∑Pn----------(这里n=4;5;……x)
* C6 t2 w) |2 {- j( W7 z
7 t2 J& m W! k& z6 X在大小球盘为3/3.5球时,投注小球的回报总数额为:
+ f1 L, }+ s. ?3 d, U6 u+ Z; p5 MK=0 X0=Bu*U ! e, L; J% q6 p u# }/ Y
K=1 X1=Bu*U
6 g9 n/ M7 F/ UK=2 X2=Bu*U : W# c% X* |9 C, `" ]
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)' [2 ]7 x) R9 i
J=4;5;....x X4+=0
% ]7 N. x: k9 a+ |+ \- M2 H
7 b! [; p7 d7 n投注小球的期望回报总数为:/ a4 c8 {. Q& ~0 @( v9 `% m
∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2+ P3*U* Bu/2
! _( R8 I9 q" 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。
( S1 x' Y! \ j# Y ∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2+ P3*U* Bu/2 =Bu
2 K% N, E. ~& L8 G4 @ U*(P0+P1+P2+ P3/2)+P3/2=1
0 A4 y/ y/ a7 E% B# F2 s 在此盘口下,小球的赔率为 U=(1-P3/2)/(P0+P1+P2+P3/2)
# C( R+ g+ K5 J% R8 Z& g& f' h0 `$ E3 H9 v
; B; l( n( A) 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.
, n- _1 G( _0 ]& r" H0 S 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!
+ n$ Z+ F/ q" _ ^; O% Q0 O; H' ?0 `: K1 U0 j2 a8 ^
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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