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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。0 ^9 L h$ y+ s* ], e0 v
我们先引入下列符号:% m4 {( s: M2 V
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。$ o7 }" b8 y. l0 Y
即:P0=全场进0球的概率;P1=全场进1球的概率;……。: P0 n, |8 Y8 q* y
那么 ∑Pn=P0+P1+P2+……+Px=100%。5 i0 _( B9 T7 m- N) J! w3 R
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。
& A. q4 ~3 D& v$ d3 d# @, pBu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。8 Z2 x$ a/ L& y; A" Z3 U" j7 y9 l
* J( e9 r0 J5 w% ~6 y8 c3 E
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。
. e K! q" z- @- Y; l! L( t5 C在任意盘口G下,全场比赛会出现如下3个结果:
0 a2 p7 W) ]4 M. D1 U9 E/ S1:K>G 即出现我们通常所说的大球。( q/ H+ S* q9 \/ n& V9 @. E
2:K=G 即出现我们通常所说的走盘。 _; }6 z4 E* D
3:K<G 即出现我们通常所说的小球。( B1 J# Y5 t2 |8 @; V. V% g( f
1 P. X0 Z% V. j% G8 R4 @7 e9 P' Q; {' D
那么在此盘口下投注大球的回报总数额为:
$ h8 N# f$ Q, n' m# nD1:(K>G)={Bo* O 即赢盘获得与此盘口相对应赔率的回报。, q% x$ g( R6 m7 W- D! w
D2:(K=G)={Bo 即走盘退回本金。' y$ I% F8 V" v: L. O3 E
D3:(K<G)={0 即输盘失去本金。. p5 B4 K" {0 x6 ]) [ c4 u" v
7 X7 O! N1 C; X, B* L$ r" o) ]5 o同理在此盘口下投注小球的回报总数额为:
1 V8 e L) T. [. |. e7 @9 R4 F3 E8 bX1:(K>G)={0 即输盘失去本金。
3 C5 j# S. C$ _3 R' X0 Z6 C0 L7 fX2:(K=G)={Bu 即走盘退回本金。$ J( ]4 D- S: Z5 v& G k* B, `$ O
X3:(K<G)={Bu*U 即赢盘获得与此盘口相对应赔率的回报。
% v& Q0 E# b( E% A" Z4 j
( E' Q1 M! G0 B. ~" R- J) \) n- u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* i& V4 ]' `6 x/ Z; R; s3 p
: Z2 g8 x" R8 j, p! c
1:大小球盘为2.5球(G=2.5)) e4 `2 d0 u; u' E" F) ~) `
/ B* D& J8 |; x" F5 V$ L( ~
在大小球盘为2.5球时,投注大球的回报总数额为:- P8 [" P/ b! {
K=0 D0=0 / o2 n4 T' M$ d- H' \4 |: e
K=1 D1=0 ) ~1 o# W# C1 K8 Z1 H7 ~" n
K=2 D2=0
; N' M0 ~5 T5 g5 N7 fK=3;4;....x D3+= {Bo* O
' Y' C5 i! ~8 g, s
' ]# v4 r) Y. ?* k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)0 {' w. r( L. X* U- _4 L1 s2 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。+ j7 b1 {& s9 D' U; R+ }
∑D=Bo* O*(1-P0-P1-P2)=Bo
% u# |) e! l$ }" x O*(1-P0-P1-P2)=1
" X# F/ b0 z4 J! k 在此盘口下,大球的赔率为 O=1/(1-P0-P1-P2)
& @# h# x3 y, ?$ f' u' [3 a3 U 或者表述为 O=1/∑Pn----------(这里n=3;4;……x), `( T7 h, a1 q9 a
, j( l | w$ f, S在大小球盘为2.5球时,投注小球的回报总数额为:! f" ?5 T+ y- {) D. s# W
K=0 X0=Bu*U i/ P/ P& {2 p4 r, Q+ _
K=1 X1=Bu*U
$ O% M) d- S9 A0 m" j9 VK=2 X2=Bu*U
9 n( J$ B9 i+ OK=3;4;....x X3+=0
n3 }( p7 }) @& V c- D$ n* Y1 ^+ S6 n( T- `# x, h
投注小球的期望回报总数为:∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U
5 x2 b( l: y, J1 m& M! c6 M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 m# l' @! |6 {5 A* @/ M: F; z6 A1 q ∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U=Bu& i6 i ^. C; R3 m# }+ a+ ^; V' f7 l
U*(P0+P1+P2)=1
+ A9 l4 C( ^! W5 d# }! m 在此盘口下,小球的赔率为 U=1/(P0+P1+P2)
; F( T2 |! ]0 G* m- P* L3 s5 d4 ~& F N9 B& }- ?
2:大小球盘为3球(G=3)
" R0 S( a+ D# N: z. C& D# m
5 r7 f5 m8 b2 f, Z3 z2 ?在大小球盘为3球时,投注大球的回报总数额为:
0 i) W# Z2 ^7 O. XK=0 D0=0 ; c3 M3 ^2 S1 n- @
K=1 D1=0
6 W5 J3 o( h# [# SK=2 D2=09 Z7 J( z; m/ N4 g# ^7 V9 {
K=3; D3= Bo; b4 }" _' j0 F* w: |
K=4;5;....x D4+= {Bo* O
1 @0 i l! c6 G1 ]8 l' W: u' v
7 G+ V! E' q5 S$ j( M投注大球的期望回报总数为:
1 |: Z. U# g( t, A& T& q7 x ~% ~∑D=P3* Bo +Bo* O*(∑Pn-P0-P1-P2-P3)= P3* Bo +Bo* O*(1-P0-P1-P2-P3)9 ^% W6 Z" V+ [, w6 u9 ]. m' 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。- {" u. \6 V' ?
∑D=P3* Bo +Bo* O*(1-P0-P1-P2-P3)=Bo
- Y$ s4 R ?" x, d+ H P3+ O*(1-P0-P1-P2-P3)=16 B0 o1 v) {6 a
在此盘口下,大球的赔率为 O=(1-P3)/(1-P0-P1-P2-P3)
, L/ @# S3 b9 [/ C& d 或者表述为 O=(1-P3)/∑Pn----------(这里n=4;5;……x)* i$ o5 f' S7 _6 L1 Y! g" S6 d1 Z
/ w3 A% ~& p5 D/ t
在大小球盘为3球时,投注小球的回报总数额为:
3 Z M/ Z* Y" C4 T6 b& LK=0 X0=Bu*U
& ~) z+ s! }. K" Y$ ZK=1 X1=Bu*U
6 Y8 d7 [* \9 o% H9 wK=2 X2=Bu*U " g% }: p6 s2 C3 S8 ]
K=3 X3= Bu
4 c5 [& m0 @ ?8 T# a6 N: v9 O1 AJ=4;5;....x X4+=0
0 Q+ n; o+ e% m7 n% F
7 N5 [( C+ B/ c2 K0 z! j6 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/ ?" v5 J: ^% h0 m, S, 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。5 j% i* o$ G) r+ @8 c
∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu =Bu3 X" W! }2 j4 p
U*(P0+P1+P2)+P3=1
$ r" X0 U( W4 s, h 在此盘口下,小球的赔率为 U=(1-P3)/(P0+P1+P2) V6 B" M2 W% h) {6 E- S
; I7 \/ v( \3 ^9 f2 G2 V
3:大小球盘为2.5/3球(G=2.5/3)" d# j' F ~9 v$ n
/ D; Q% T& p2 K4 R2 R" q8 Q
在大小球盘为2.5/3球时,投注大球的回报总数额为:
! T7 y' E4 g) m6 _K=0 D0=0
* o% D; t3 K4 a m- h8 U6 hK=1 D1=0
* g* _0 a% }6 z1 F# jK=2 D2=00 y: h2 f$ h& }5 v, Q- t
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 |. n( c1 P4 s9 p8 |4 M6 w. ]. Q
K=4;5;....x D4+= {Bo* O
- O+ C% t* D' k: _$ a. T4 C* K" L+ j* U3 P4 w
投注大球的期望回报总数为:7 H( K6 j2 B" a4 ^, ~
∑D=P3* Bo/2 +P3* O*Bo/2+Bo* O*(∑Pn-P0-P1-P2-P3)1 i( z+ O/ L4 v B. @% f8 ^' U
= P3* Bo/2 +P3* O* Bo/2+Bo* O*(1-P0-P1-P2-P3)
h9 ~! x4 c$ 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。
7 g. X4 p9 t E0 X0 L1 O- i! A ∑D=P3* Bo/2 +P3* O* Bo/2+Bo* O*(1-P0-P1-P2-P3)=Bo
* ~0 i" ~' L1 k% w2 ?$ X/ P P3/2+ O* P3/2+O*(1-P0-P1-P2-P3)=1
6 x. ~0 u4 A! e5 J% h; f, b O*(1-P0-P1-P2-P3+ P3/2)=1- P3/2/ R8 G* U+ |+ B) z& y- Q
在此盘口下,大球的赔率为 O=(1-P3/2)/(1-P0-P1-P2-P3/2)
3 ?6 J2 _1 `3 G% b4 w, O
2 I) K! }1 o6 h, _7 p- b0 u; W8 V在大小球盘为2.5/3球时,投注小球的回报总数额为:% p: b( p B% p5 X$ Z) h+ _" W1 `
K=0 X0=Bu*U
7 G4 k e" W; M( o9 mK=1 X1=Bu*U * R$ l7 ]* c0 ~; a4 A
K=2 X2=Bu*U
- W; R% n5 ~3 J* kK=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)' Z1 E4 n M4 S9 R, h$ \# F
J=4;5;....x X4+=0" G0 K8 r6 n1 [# |2 M
/ J4 E- V! I8 }: o投注小球的期望回报总数为:∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/28 {; W. g8 T+ V2 B/ 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。
$ X" R+ D! \+ r ∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2 =Bu1 l, z W% ~$ D x9 z5 S' P8 E
U*(P0+P1+P2)+P3/2=1
% k+ |# }3 }7 D) i# x( } 在此盘口下,小球的赔率为 U=(1-P3/2)/(P0+P1+P2)" v. M! K5 d! h8 m5 y% a+ _9 j& @
% a* m+ h5 M- c4:大小球盘为3/3.5球(G=3/3.5)
' Q e* b- }) f/ \7 h; k% K- z" j+ T
在大小球盘为3/3.5球时,投注大球的回报总数额为:
! h$ Q0 i9 q2 d0 I# y; eK=0 D0=0
0 \' w+ M7 @9 ZK=1 D1=0 ! i4 F0 g$ |% V) g0 ~
K=2 D2=0, C* A4 D+ d8 z% `
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)
6 k" @& \& _0 _- XK=4;5;....x D4+= {Bo* O 6 k! Y& z0 s8 j' `1 H9 C
) c0 e- j& c& F6 H. N
投注大球的期望回报总数为:
3 j; I& A3 [- c& K& c" L ∑D=P3* Bo/2 + Bo* O*(∑Pn-P0-P1-P2-P3)
: S5 c4 A0 g2 I/ t* c8 f, E = P3* Bo/2 + Bo* O*(1-P0-P1-P2-P3)
7 \# C+ N7 D8 E3 T, N9 u) A, ~! X8 o9 R( 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 I) k$ j1 m9 [3 ] ∑D=P3* Bo/2 + Bo* O*(1-P0-P1-P2-P3)=Bo
9 ^$ p( W) O) t P3/2+ O*(1-P0-P1-P2-P3)=1& V- k# W4 F3 e+ a0 W( G
O*(1-P0-P1-P2-P3)=1- P3/25 C8 S" Q. u" S' d( n
在此盘口下,大球的赔率为 O=(1-P3/2)/(1-P0-P1-P2-P3)+ ?: R/ m9 t$ Z3 V- t
或者表述为 O=(1-P3/2)/∑Pn----------(这里n=4;5;……x)% E9 y1 ]$ ^# b8 }
d/ v: T8 W8 x! W1 Z# D/ _+ M k2 Z
在大小球盘为3/3.5球时,投注小球的回报总数额为:. p0 n4 i* L) h" Z
K=0 X0=Bu*U 4 }- |2 T% ^6 }/ A K0 c
K=1 X1=Bu*U
4 ~3 ^% |% C8 X9 }( fK=2 X2=Bu*U & b' t" h! {7 Y* }1 c# q+ d8 I' 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)- V& J& T0 b# p# r' Z
J=4;5;....x X4+=0
5 v; |$ m( \4 O+ h
" |, O8 P0 S# F$ x# `) t投注小球的期望回报总数为:5 k" |" A5 E1 B" L L! {7 W& `2 j; F
∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2+ P3*U* Bu/29 H2 N( h0 J) n0 h3 [& i( n, 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。
* \/ E& r+ v5 @+ Q( r. O ∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2+ P3*U* Bu/2 =Bu* V, R. U. F( D [9 M
U*(P0+P1+P2+ P3/2)+P3/2=1% c" r3 o: J3 L1 b* F; i1 d/ m
在此盘口下,小球的赔率为 U=(1-P3/2)/(P0+P1+P2+P3/2)
- C& O$ T7 x6 `) u% q2 L- w) b$ r" y; i
2 h8 |( Y2 D2 v) S. \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.- R3 l b3 ?+ }: f$ ?5 B
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!& t( L* H) b" q/ r! b2 G+ T1 x( Z c
6 W: L6 T' j+ A7 |& l6 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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