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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。+ P4 b# |# J- d/ n6 M
我们先引入下列符号:
; n3 {9 ~. {% C- r* b H' q, U9 OPn(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。, L0 S5 ~: x, s9 V/ @
即:P0=全场进0球的概率;P1=全场进1球的概率;……。
6 g( ^ u+ u% v- N! @6 C; Q Z那么 ∑Pn=P0+P1+P2+……+Px=100%。
/ O% J" r" @% y6 }# }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。
6 Y+ t3 O9 ?( ]! U, F+ s5 f5 OBu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。3 j; I0 \; Q. S& g
9 b+ \6 g: k8 d4 x
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。. b& f b5 f4 U% w9 A4 h
在任意盘口G下,全场比赛会出现如下3个结果:* W. g, M9 ?3 V$ m
1:K>G 即出现我们通常所说的大球。' ]- @; G( {, t7 f, G
2:K=G 即出现我们通常所说的走盘。/ ]3 X" j1 w2 `# Z6 y3 m
3:K<G 即出现我们通常所说的小球。+ [, b. F) S& ^6 m
0 \( a/ H! ^4 W" Z那么在此盘口下投注大球的回报总数额为:
* v [3 G! a( Z- |9 G: gD1:(K>G)={Bo* O 即赢盘获得与此盘口相对应赔率的回报。; ]9 e% }/ ~2 A
D2:(K=G)={Bo 即走盘退回本金。. H5 H. a' ^# c# Y' q1 P: e( X) d$ u& E* o
D3:(K<G)={0 即输盘失去本金。
* F6 P# I" B! n! g3 w$ `2 X, J5 z1 e, T$ ]. I) {
同理在此盘口下投注小球的回报总数额为:
* \1 ]% t* b4 v! a! K4 Q, DX1:(K>G)={0 即输盘失去本金。
7 [! r0 d f, f6 D4 {. g$ ?X2:(K=G)={Bu 即走盘退回本金。
; R6 z# h r8 n. z) |7 V$ iX3:(K<G)={Bu*U 即赢盘获得与此盘口相对应赔率的回报。8 A' e* e' ?* I) y
8 s/ _- Q9 v& B& }# X2 x, c# C" o
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。6 @5 ^* H6 e; y' y; M% k1 \( r
" N4 i7 v& p& E1:大小球盘为2.5球(G=2.5)4 A) D/ M7 ?; Q
$ P5 a8 p$ O1 O# ]在大小球盘为2.5球时,投注大球的回报总数额为:
0 v) ~0 A$ R: c) s' R. H+ Q& AK=0 D0=0 0 l5 ^4 }6 p* z0 X7 Y6 E$ b1 }$ O
K=1 D1=0 / O" l5 z! v4 p h
K=2 D2=0
: g6 |/ ~: J9 a0 L. z. ?K=3;4;....x D3+= {Bo* O . H% ~/ L! I) R1 I! W4 l
: M; Z2 l+ p6 q' C1 H投注大球的期望回报总数为:∑D=Bo* O*(∑Pn-P0-P1-P2)=Bo* O*(1-P0-P1-P2)
* Q! \8 S' T9 X% Y$ s Z在公平条件下,我们可以认为实际投注回报与期望投注回报相等。9 k8 b2 ]3 a* N% |4 f3 }0 P& C
∑D=Bo* O*(1-P0-P1-P2)=Bo
a- `3 o* l O* B! P0 W O*(1-P0-P1-P2)=1
, \8 p( i8 v& O0 O7 ^; w2 j. { 在此盘口下,大球的赔率为 O=1/(1-P0-P1-P2)# l* q. D4 {, m* o9 Q4 A# v
或者表述为 O=1/∑Pn----------(这里n=3;4;……x)
( [; Q, Q9 X( F5 e1 U r6 Z/ H K; O, m( E; k
在大小球盘为2.5球时,投注小球的回报总数额为:. A- n& r# M& c( i/ p4 G
K=0 X0=Bu*U 0 L8 V9 W0 k" r3 U6 I
K=1 X1=Bu*U % k3 B( Y1 t2 \) N$ S; E ~( B7 X
K=2 X2=Bu*U
0 Y! S4 L, P: P; ?K=3;4;....x X3+=0( {/ k* r8 l3 R/ X) c3 h2 ^6 ^
# S+ J9 `. \, X* f7 _投注小球的期望回报总数为:∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U
: X4 j# g- [+ [0 U. _6 v0 G6 P3 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。
2 }+ ]/ i: ] U# w& s X/ k ∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U=Bu! W4 L( g4 x! `6 @; ?$ y
U*(P0+P1+P2)=1
+ m, ~0 v9 D- J% b4 ` 在此盘口下,小球的赔率为 U=1/(P0+P1+P2)3 Q, N* V# n5 R [
. S, N5 Q. c- b6 h8 ]
2:大小球盘为3球(G=3)
9 f, [ M* Q3 y' v; Z3 B5 F: w' B( F# ^. I& w- ?4 X
在大小球盘为3球时,投注大球的回报总数额为:
* m1 L8 ?; k! Y2 v4 D) ]& d' NK=0 D0=0
( t8 E+ t! k& m! SK=1 D1=0
1 [3 q; c, a: qK=2 D2=0$ |* z- ^0 T9 x* Q) J4 {4 u2 \5 V
K=3; D3= Bo
: }9 H& I7 @- P* s: [, YK=4;5;....x D4+= {Bo* O 5 C; p @# X- N3 k. n& V6 J
; J; V+ r% R, K/ N+ }1 r; t/ b& d
投注大球的期望回报总数为:
6 k/ k) K3 I9 E5 R6 |∑D=P3* Bo +Bo* O*(∑Pn-P0-P1-P2-P3)= P3* Bo +Bo* O*(1-P0-P1-P2-P3)
0 X0 T' J, F: b/ J! S( m0 H) 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。' p" D& Q% ^1 O- s' o1 V H, l
∑D=P3* Bo +Bo* O*(1-P0-P1-P2-P3)=Bo
7 m0 G8 j8 K J q# P P3+ O*(1-P0-P1-P2-P3)=1
. i/ P" K1 B& [ D7 A! E 在此盘口下,大球的赔率为 O=(1-P3)/(1-P0-P1-P2-P3)
! j- T# t V6 ~2 _& j9 ? 或者表述为 O=(1-P3)/∑Pn----------(这里n=4;5;……x); a; V' o, B4 C5 o. p7 W
6 P. ~0 L7 ~7 G/ j+ s
在大小球盘为3球时,投注小球的回报总数额为:: w" |6 D) X* X4 F. b
K=0 X0=Bu*U
6 d: D- k- R! M* H- [/ [4 i+ ^* }K=1 X1=Bu*U
7 L) f; x6 @: i' I* EK=2 X2=Bu*U
* g4 @# _& C/ q1 ?0 q* K D9 s1 wK=3 X3= Bu9 [; i" b' I/ S9 |: \
J=4;5;....x X4+=0
) v9 k- a! R V7 j/ N0 _5 |1 W
& f+ E/ }; j5 x5 H" W, I" ]投注小球的期望回报总数为:∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu3 |; T. r9 E1 _ V" v7 ^
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- P7 f5 n/ K/ F) [, U) a
∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu =Bu
0 x& n- n$ ?" @/ k J' X& i- e U*(P0+P1+P2)+P3=1
" q* Q" K2 f# Z# r& Y4 _* G$ G 在此盘口下,小球的赔率为 U=(1-P3)/(P0+P1+P2)
3 G9 u+ H h; {9 Y2 P6 y5 ]3 J, O! `: B q m& f+ v* V( Q
3:大小球盘为2.5/3球(G=2.5/3)
! n% t, R. x8 m8 d# f' J5 G
! E; N- t1 d0 x7 D' b在大小球盘为2.5/3球时,投注大球的回报总数额为:
) z/ k4 p4 k& o% V4 z) `# GK=0 D0=0 : q1 x6 v+ @: _, G' p6 J4 ^
K=1 D1=0
; a! M7 V( m. E! O8 bK=2 D2=05 r. O5 L% i6 g2 U% N
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)
6 n' x9 j9 G" t9 zK=4;5;....x D4+= {Bo* O 9 J' B5 D& Q, t T
! b& O Q; x' W3 q; m
投注大球的期望回报总数为:
# e2 a& F( N, d/ g0 m ∑D=P3* Bo/2 +P3* O*Bo/2+Bo* O*(∑Pn-P0-P1-P2-P3)! Q" d% `9 [% Q5 ^( }% x3 F
= P3* Bo/2 +P3* O* Bo/2+Bo* O*(1-P0-P1-P2-P3): u* M$ x# Z! s: D) o @+ e Z+ l
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。
+ B/ Z: P9 G- R4 p ∑D=P3* Bo/2 +P3* O* Bo/2+Bo* O*(1-P0-P1-P2-P3)=Bo! U* T- ]; `1 ~% `4 O2 e
P3/2+ O* P3/2+O*(1-P0-P1-P2-P3)=1
0 o) _, R! O) G( r7 b$ L O*(1-P0-P1-P2-P3+ P3/2)=1- P3/2
( A& \& [( w2 u$ z+ C 在此盘口下,大球的赔率为 O=(1-P3/2)/(1-P0-P1-P2-P3/2) 4 w/ s# M# ^* S- { m! E8 @
% s( o& I# J, t2 {7 i0 u/ W n% X在大小球盘为2.5/3球时,投注小球的回报总数额为:4 A4 O' j4 e+ ~* C& p) n. d
K=0 X0=Bu*U : Q! B& N0 B: M* U( d
K=1 X1=Bu*U
& p9 N" c) {+ f3 ZK=2 X2=Bu*U
$ k) H8 H3 |, T6 t9 l; m4 cK=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)4 E- U& K3 H: L3 K( [: b
J=4;5;....x X4+=0
2 R$ i# X1 S7 ]6 u* h4 Z4 u
9 j+ H' V7 b: ^) V! A1 X投注小球的期望回报总数为:∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/24 B2 Q% ^- N/ q! i/ Q
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。. B9 t$ X8 H" E9 ^4 ?$ W+ D9 P: R% l
∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2 =Bu
1 T# F# ]) t6 d0 F3 T0 D U*(P0+P1+P2)+P3/2=1+ C! ~8 E7 _5 O" [
在此盘口下,小球的赔率为 U=(1-P3/2)/(P0+P1+P2)# V: S2 ?- r H$ P
* [* I- `) U( f C+ z9 C0 d5 [
4:大小球盘为3/3.5球(G=3/3.5)
9 ~0 k! H: B) |5 a. g& G2 F: h( G
3 ?' A- E6 R6 x1 s2 v4 D在大小球盘为3/3.5球时,投注大球的回报总数额为:
, {4 l p3 d9 `+ N E" bK=0 D0=0
) o0 @1 w: h4 [1 x6 RK=1 D1=0
' E2 N9 x) L- h3 l6 K9 j$ k) Q, HK=2 D2=0
1 B) z/ C+ \2 _% S+ j# Q- [* K' K1 nK=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), j$ L$ ~3 h2 b' q {$ E! N$ y
K=4;5;....x D4+= {Bo* O
8 R' a& F" Y t% m& O: {+ w% K; b
投注大球的期望回报总数为:
9 {+ _0 k$ x# A5 v! |1 u ∑D=P3* Bo/2 + Bo* O*(∑Pn-P0-P1-P2-P3)5 F) q7 h X# B1 _: C7 Q- X
= P3* Bo/2 + Bo* O*(1-P0-P1-P2-P3)
+ a! F) T$ N0 l. |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 d9 L3 P! w, F9 k3 Q
∑D=P3* Bo/2 + Bo* O*(1-P0-P1-P2-P3)=Bo
6 [2 g) {8 y* ?5 H0 Q" P* x P3/2+ O*(1-P0-P1-P2-P3)=1) C* E/ I' X9 C. F2 g' X% J, n
O*(1-P0-P1-P2-P3)=1- P3/2
; h. G" @& q+ e9 l) G# m) | 在此盘口下,大球的赔率为 O=(1-P3/2)/(1-P0-P1-P2-P3)
- n/ R) \( @8 e0 }5 k& I 或者表述为 O=(1-P3/2)/∑Pn----------(这里n=4;5;……x); @: q( r. P: @& Y) W/ b
) ~& K# L/ I3 Y在大小球盘为3/3.5球时,投注小球的回报总数额为:
7 I$ y5 c& ]) @. a; X+ j' R, I; MK=0 X0=Bu*U
, A4 P: M1 e1 R% VK=1 X1=Bu*U 6 [) S( }0 S7 R5 P" r* {
K=2 X2=Bu*U
6 |* `4 w6 i7 b5 BK=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)
, Y- c! r% f/ @0 s) k6 d: [J=4;5;....x X4+=0
2 @7 Y1 ~& D$ s! P! m3 `, C% k# x, T2 W: i
投注小球的期望回报总数为:7 ^( a) { b3 _, [/ e9 u5 f n
∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2+ P3*U* Bu/2
, @$ j/ D# W* g( j6 _4 ]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。
- J0 g1 c4 G* U; A! Y! G ∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2+ P3*U* Bu/2 =Bu
5 e# Y1 a- z4 @9 k3 M6 Y U*(P0+P1+P2+ P3/2)+P3/2=1; }7 t$ d7 g! J. x" K
在此盘口下,小球的赔率为 U=(1-P3/2)/(P0+P1+P2+P3/2)
* F- i2 U- Q; a/ K( \3 b
9 J# }; S5 w b8 ]- z t Q* p
( k& `1 F& y, i! W4 B y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.
4 f% P" X* C1 x2 E6 W, ^: [! ~; a! N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!3 }+ L8 V* |- U6 P: N0 _9 E
" D( t: B8 m! b9 d4 ~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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