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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。/ ]. [/ O1 L5 S& h* i) ~7 _
我们先引入下列符号:/ m) c' @* w! k Z6 {% `5 H
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。1 F- l) s" V. Q1 ~. X
即:P0=全场进0球的概率;P1=全场进1球的概率;……。
9 T* k: X1 Q, F6 M那么 ∑Pn=P0+P1+P2+……+Px=100%。" x9 u' r: q6 d& ~2 T, S
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。" D8 [/ g- G. [2 [" z/ K" u; a
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。
/ p8 f: o! s7 d: H: M- m
1 M; m9 N7 A8 |- N9 A0 \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。3 `; A6 R9 B& _7 C
在任意盘口G下,全场比赛会出现如下3个结果:
# Z4 n, L J# Z1:K>G 即出现我们通常所说的大球。, ]8 D/ {' a7 D) X$ ~4 J9 L
2:K=G 即出现我们通常所说的走盘。
! E0 B! `$ d+ p" Q4 M7 X$ ~3:K<G 即出现我们通常所说的小球。
6 p( O9 U- ~: k/ F) X
+ _5 E8 }3 J6 _; r$ V那么在此盘口下投注大球的回报总数额为:
# I, u5 N8 Q5 t. T- m* o9 L- wD1:(K>G)={Bo* O 即赢盘获得与此盘口相对应赔率的回报。
$ b& v8 s7 _+ y6 L! k2 W% m$ tD2:(K=G)={Bo 即走盘退回本金。- [" t! H: {; I8 Q. B
D3:(K<G)={0 即输盘失去本金。8 T7 ~! x D1 m, J
/ f! `: ^8 |7 Z W/ `9 _同理在此盘口下投注小球的回报总数额为:
N0 p" l# z/ mX1:(K>G)={0 即输盘失去本金。9 p1 `6 }7 U' D4 x: w; g
X2:(K=G)={Bu 即走盘退回本金。
0 ^3 N1 {" ^! j d/ g; ?! fX3:(K<G)={Bu*U 即赢盘获得与此盘口相对应赔率的回报。6 W0 H n& Z5 X, O
# C; G; t! g1 p0 s: G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。: G, [3 ?; z. l# C4 S0 B
4 r- ~/ B5 ~ `8 l
1:大小球盘为2.5球(G=2.5) k! D& B o& ?6 ^) c' }& T
) T. P% O# \4 ?* i. u
在大小球盘为2.5球时,投注大球的回报总数额为:% T! j" F: Z3 R Z, T' q( V+ x( ?, w
K=0 D0=0
9 x4 Y+ u3 {2 Q$ V2 F' g# s) dK=1 D1=0 , D g4 q. [# M1 r N. X
K=2 D2=0
& U2 B+ L/ B3 Z2 GK=3;4;....x D3+= {Bo* O
9 k/ Z) s6 Q1 |) A# Z' u6 i) U/ m$ z4 G1 P( b
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)
% G* |' ?: W+ i8 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。' Y% F( R* ~- x$ C2 |- h
∑D=Bo* O*(1-P0-P1-P2)=Bo/ l8 s* V: K8 e2 K" q9 g: L
O*(1-P0-P1-P2)=1
4 x9 J( _" s- g+ c 在此盘口下,大球的赔率为 O=1/(1-P0-P1-P2)+ Q% V9 ]6 F* O
或者表述为 O=1/∑Pn----------(这里n=3;4;……x)
" f% G4 g. x8 }! D3 g8 J
2 H* o2 c4 {0 X* c! H7 t1 [在大小球盘为2.5球时,投注小球的回报总数额为:
! Y! F7 B% D" ?8 E" e3 G* G# x* KK=0 X0=Bu*U / m1 ] K; t0 Y2 j' Y1 {% g
K=1 X1=Bu*U 7 C* l0 R" E2 h
K=2 X2=Bu*U
$ ?) C2 S2 N: U, g2 g0 YK=3;4;....x X3+=0
# F2 d+ U, }) N6 }# N) ]+ w2 [& X8 |* g g8 V2 U2 G
投注小球的期望回报总数为:∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U6 B% p- f0 i/ n9 y" E+ g5 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。
0 o2 H# w+ M8 |3 b2 G, x& _( \ ∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U=Bu
: W5 @( @4 y/ \7 @% S9 Y U*(P0+P1+P2)=1
! r' [$ g* O1 p. B; q 在此盘口下,小球的赔率为 U=1/(P0+P1+P2)
/ O2 b9 g, p; ^9 A5 n: W: z6 B. q
- [4 S8 e# S7 G$ `. i: U2:大小球盘为3球(G=3)3 A/ z9 I2 U, i$ o' W9 @
" B* i3 `$ N, j% ?7 [: s9 L% N在大小球盘为3球时,投注大球的回报总数额为:2 L3 ^7 a3 s0 t! p
K=0 D0=0
# ^0 z+ l4 D7 K3 e7 [: S0 s4 hK=1 D1=0 7 A& C# g, C$ }. x& E
K=2 D2=0
; v2 z% l* @+ R* kK=3; D3= Bo
& ^( Q. T% _3 VK=4;5;....x D4+= {Bo* O
% b* a2 _' y, U# x" D& o8 C9 I( w: Y1 J8 o2 R, y9 S
投注大球的期望回报总数为:; K6 m9 a7 a. M" s
∑D=P3* Bo +Bo* O*(∑Pn-P0-P1-P2-P3)= P3* Bo +Bo* O*(1-P0-P1-P2-P3)- Q: {) Y+ V/ \# e9 o/ 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。7 v0 A N' t h8 ]) _9 R% O H
∑D=P3* Bo +Bo* O*(1-P0-P1-P2-P3)=Bo- ^9 D1 h$ l4 w/ U1 i% W9 V3 G0 p
P3+ O*(1-P0-P1-P2-P3)=10 }3 y& e. D6 l- x* r* ~; `
在此盘口下,大球的赔率为 O=(1-P3)/(1-P0-P1-P2-P3)% k* f# @' f1 V8 Y. L
或者表述为 O=(1-P3)/∑Pn----------(这里n=4;5;……x)# F9 {1 o5 T) t! R; ~. O
% m. y1 g" e) G$ f0 P
在大小球盘为3球时,投注小球的回报总数额为:9 H4 p2 q& H8 d- B( `$ Z
K=0 X0=Bu*U : Y+ d& D) F, M3 `6 r( Y; C
K=1 X1=Bu*U 8 s. G' l: u: d" I( G5 o
K=2 X2=Bu*U 2 m) F3 _5 u: ^; A8 d. x
K=3 X3= Bu
3 o0 Q. m/ f3 ~# [/ w3 `J=4;5;....x X4+=0
' v2 e. p3 R8 H! S0 r- r) m4 s# n* L7 w7 }4 B6 E/ B- f3 ~: ]
投注小球的期望回报总数为:∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu
3 M/ j- M0 o6 Y( o( ~/ W6 }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。
0 D. B; x. r- l0 [- r7 F ∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu =Bu
- D5 O% F2 x* k; k' Y9 f1 [ U*(P0+P1+P2)+P3=1
C& T; j. g5 ^* ^+ j6 p 在此盘口下,小球的赔率为 U=(1-P3)/(P0+P1+P2)
, H" ^3 L z1 w& j9 G w2 T0 C# b _) `; s
3:大小球盘为2.5/3球(G=2.5/3): E6 I$ S/ ]% q, x
& O9 _' C$ Q( L' [- u: ]* f在大小球盘为2.5/3球时,投注大球的回报总数额为:
7 q T) A) D3 j/ |6 ^* ]* [7 z( xK=0 D0=0
/ j7 v+ F. {/ z8 S2 {. @6 |! x; u3 kK=1 D1=0 2 }, d$ h$ C2 x1 `9 r+ i5 f5 I/ ^
K=2 D2=0
/ C1 V6 C4 v% m) k9 yK=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 F9 l! I1 @. s; k u0 CK=4;5;....x D4+= {Bo* O * a! O5 B3 i! u) I
; `% G; L; I; C0 `" w9 B' Y
投注大球的期望回报总数为:
8 i0 C3 D. b+ u) E" U0 b$ u ∑D=P3* Bo/2 +P3* O*Bo/2+Bo* O*(∑Pn-P0-P1-P2-P3)
/ W! m6 u% b7 v# k = P3* Bo/2 +P3* O* Bo/2+Bo* O*(1-P0-P1-P2-P3): p8 m3 I, d; ]& R3 P* 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。
% g9 [% r! N( J/ C ∑D=P3* Bo/2 +P3* O* Bo/2+Bo* O*(1-P0-P1-P2-P3)=Bo$ U, g5 K; n& u8 Z
P3/2+ O* P3/2+O*(1-P0-P1-P2-P3)=1
! ~+ w# X1 c" q. a1 N w8 y O*(1-P0-P1-P2-P3+ P3/2)=1- P3/2
) e1 }( b8 f* f( f2 j) v+ p 在此盘口下,大球的赔率为 O=(1-P3/2)/(1-P0-P1-P2-P3/2)
0 v# L# c" x4 i- Z L- ^8 A6 u7 R$ c! z; y0 I- \1 v
在大小球盘为2.5/3球时,投注小球的回报总数额为:7 F. t% }( H P) D6 w0 L/ V
K=0 X0=Bu*U 5 E7 I& x$ e' z. W
K=1 X1=Bu*U
( E1 W, I7 c+ b6 D& y2 i/ ]K=2 X2=Bu*U % i) h" Q$ W O, ^, x% O4 U
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); J, c3 e7 C: O! |1 W+ o+ ^ B
J=4;5;....x X4+=0
/ J' J$ I) B$ v) e2 K- l9 f" i6 J" {+ T1 u
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
" m ^' }! \! }# c# 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。; [& r3 T, }/ f; A6 q' S
∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2 =Bu% `2 b% \ X/ i$ Y: X, W) d' g
U*(P0+P1+P2)+P3/2=15 `' R4 r/ q: v
在此盘口下,小球的赔率为 U=(1-P3/2)/(P0+P1+P2)1 E. r: ^: g# B8 h$ w9 x9 ~7 i
* o7 m1 `' [7 G6 y; U; Z" n. R w
4:大小球盘为3/3.5球(G=3/3.5)- r9 D, Y* |5 _4 x+ ?0 r
1 c, G$ q* T. X$ r$ {. S
在大小球盘为3/3.5球时,投注大球的回报总数额为:- e( l- G8 v, }6 G' r& ^
K=0 D0=0
- h2 v5 X. b+ |' |K=1 D1=0
8 h% l( O9 X- F: y; ZK=2 D2=0
, o; d% F- k. G. mK=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 Y# V: \7 U! ]0 [
K=4;5;....x D4+= {Bo* O ) x6 C+ ?: M* a" c2 J9 x) r: W' w
5 I7 i5 c3 |* ~/ R
投注大球的期望回报总数为:3 A* n1 {3 Y+ P# Z. `; J" |6 [8 C
∑D=P3* Bo/2 + Bo* O*(∑Pn-P0-P1-P2-P3)
+ q F# t! k9 v( q: b- F3 z' i' r = P3* Bo/2 + Bo* O*(1-P0-P1-P2-P3)1 `6 ~2 q! ~9 M/ W; E" R0 \3 v
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。
% F/ C. d" {- g ]# c ∑D=P3* Bo/2 + Bo* O*(1-P0-P1-P2-P3)=Bo( _# [9 Q1 j' D1 {1 `7 R4 j: A/ C9 s
P3/2+ O*(1-P0-P1-P2-P3)=1* g2 o( w4 L6 t
O*(1-P0-P1-P2-P3)=1- P3/24 d! `5 F8 h, V1 z; Y2 N
在此盘口下,大球的赔率为 O=(1-P3/2)/(1-P0-P1-P2-P3)- e( J/ Y N8 c4 v. R
或者表述为 O=(1-P3/2)/∑Pn----------(这里n=4;5;……x)( P+ @3 x9 D: X! X8 C0 ]- ^; c6 p
8 {* ^1 V7 {" D3 D/ g- I" G% B在大小球盘为3/3.5球时,投注小球的回报总数额为:
/ x( w$ H9 G4 a( B2 z _' _K=0 X0=Bu*U
& x. v/ E7 m" bK=1 X1=Bu*U
; |. D( j' P. T: D4 \% g1 jK=2 X2=Bu*U # l1 x' E0 l# ~8 [" W$ }
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)
1 v I9 I* _# G! Y ^1 lJ=4;5;....x X4+=0
5 E% B0 H' l4 C0 v n) ~# x) R7 ^4 K
投注小球的期望回报总数为:" X- L3 O) n F+ x& G
∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2+ P3*U* Bu/2& o1 r$ S$ H' I- M1 p4 W$ C1 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。9 J4 p& c( A" c" @6 I5 A+ f+ Q
∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2+ P3*U* Bu/2 =Bu N8 {4 Z/ f5 P+ v1 G
U*(P0+P1+P2+ P3/2)+P3/2=1! y' ]: c) b s+ g5 S4 F& V5 D
在此盘口下,小球的赔率为 U=(1-P3/2)/(P0+P1+P2+P3/2)
7 G* S6 |6 [9 I# A# D2 a+ k5 S. h5 ?1 L2 K
! {: T4 V, 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.
$ j* `0 T7 F5 X0 U6 X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!
8 S0 c# ^. l9 q3 [) T8 L7 p, I6 T& l2 [$ j, ~
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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