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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。- \8 ~: P9 L: r3 ?, `' O
我们先引入下列符号:
4 p7 I3 ]! @4 O& W4 WPn(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。
) X4 X& R( F! {/ M, ~即:P0=全场进0球的概率;P1=全场进1球的概率;……。
( t2 O3 y; S, ?+ j7 z那么 ∑Pn=P0+P1+P2+……+Px=100%。& J% c* m- s+ o+ f0 a
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。; N* D* e. e; M# h
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。
, t' B3 W5 p4 I3 l
, j2 t9 G+ @+ y! U H( }) c. {4 v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。
- f* k( w( n8 z; ]在任意盘口G下,全场比赛会出现如下3个结果:" Y' ^- x' g1 F% \# J, m5 y' ~
1:K>G 即出现我们通常所说的大球。4 o, y; x/ P1 }7 _
2:K=G 即出现我们通常所说的走盘。2 [3 F6 ]" o; K/ o9 V
3:K<G 即出现我们通常所说的小球。
8 Z5 E+ k4 g+ Y( m$ \' w) h7 p1 `4 g) ? u1 A. a
那么在此盘口下投注大球的回报总数额为:, E- i- } R8 p( k0 a. J
D1:(K>G)={Bo* O 即赢盘获得与此盘口相对应赔率的回报。
- }6 A; f6 `" S4 O; Z& uD2:(K=G)={Bo 即走盘退回本金。" z+ g* G& g9 u* o
D3:(K<G)={0 即输盘失去本金。 `2 i b+ ^$ l1 [9 t# n6 v
: Q4 L& e, }: y1 V
同理在此盘口下投注小球的回报总数额为:$ f! r! C) Y- w& H1 ~
X1:(K>G)={0 即输盘失去本金。
; p9 J. K% H, g+ ?4 v' N# tX2:(K=G)={Bu 即走盘退回本金。
9 R# y& c; Z8 p5 P: _# ]X3:(K<G)={Bu*U 即赢盘获得与此盘口相对应赔率的回报。) i1 f# k( y I5 h+ c7 P+ c, @
4 O4 B4 a5 }- X( g8 r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。2 H! l$ `, H6 O9 |2 I/ {( X! u
6 f4 T4 H2 ]0 S( P. ]1 z& N
1:大小球盘为2.5球(G=2.5)
L2 ]; q9 Y) O6 h: b( r
4 o/ G8 i9 z$ y* d4 x) O在大小球盘为2.5球时,投注大球的回报总数额为:1 D7 m+ Z1 O/ \1 L! `
K=0 D0=0
' b8 @( h' S3 r- O v5 v/ s ~K=1 D1=0
$ l6 x3 e$ _: j* D ]. Y+ Y JK=2 D2=0
* u* J! Q7 E' A+ U, a" p* w: HK=3;4;....x D3+= {Bo* O
( I( f7 z# }3 @& D* ] T2 R( q1 j+ i. l) X8 K- 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)" _7 D4 u+ G: b* 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。 L: k3 Y3 r; c! l$ g& Y
∑D=Bo* O*(1-P0-P1-P2)=Bo
2 h, D0 u# V( |' W% L1 `% O O*(1-P0-P1-P2)=13 i' W' @ o8 R# j- i# @9 g" \' H6 u
在此盘口下,大球的赔率为 O=1/(1-P0-P1-P2)
?, {+ K% I" E( B 或者表述为 O=1/∑Pn----------(这里n=3;4;……x); U2 v" d- Q7 T3 H% ~# s. C- l
& K3 W7 U8 A" p/ ?- V% T
在大小球盘为2.5球时,投注小球的回报总数额为:
8 x* `8 i; r2 V# p4 P( x4 x+ r+ ^K=0 X0=Bu*U
4 l1 V& N3 g, xK=1 X1=Bu*U 3 C6 g! i: f* ] c2 X5 N
K=2 X2=Bu*U o4 w a6 [& a8 m# @8 _
K=3;4;....x X3+=0
! e( F- F. t( k$ N( f1 K! O" Y3 u0 o, \
投注小球的期望回报总数为:∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U1 w- q5 E) k, E$ b! F
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 Z. R/ L- o/ k; V6 k ∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U=Bu
' A% \4 m: [; r n U*(P0+P1+P2)=1
8 x4 ^9 U r* F8 y2 ^+ X 在此盘口下,小球的赔率为 U=1/(P0+P1+P2)
" v6 \* N: P5 k1 K e/ i% l3 T$ t: Z
2:大小球盘为3球(G=3)
8 s# M, a- T- \% f6 O
: ^0 x! g6 D- {; b- }/ t在大小球盘为3球时,投注大球的回报总数额为:! X( ^' h3 c' B0 ]7 w
K=0 D0=0
- | f- M/ j. U' C* yK=1 D1=0
- D& O, B; ]" i; m8 u6 C' ]K=2 D2=0: n7 e6 o- P: K: a3 C: F7 V( G$ U8 z o
K=3; D3= Bo
( K7 \: }& H: B9 O C8 g* ~K=4;5;....x D4+= {Bo* O
7 ~( [, R& O) i: \9 D) A7 X& E3 H7 V8 s9 i
投注大球的期望回报总数为:
! m2 W( {( f4 i, Z8 K5 Z∑D=P3* Bo +Bo* O*(∑Pn-P0-P1-P2-P3)= P3* Bo +Bo* O*(1-P0-P1-P2-P3)
& u. \5 u% g8 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。) J2 p u! y6 a5 k9 W( k+ S2 _
∑D=P3* Bo +Bo* O*(1-P0-P1-P2-P3)=Bo3 L n, g$ A7 E; T& p
P3+ O*(1-P0-P1-P2-P3)=1
' _7 b7 |2 s! Z. p 在此盘口下,大球的赔率为 O=(1-P3)/(1-P0-P1-P2-P3)
, v+ j: ?: k' x 或者表述为 O=(1-P3)/∑Pn----------(这里n=4;5;……x)
2 k6 t* S7 D" S, {( ]5 Y
0 g% V' T# H/ b/ m9 U! |8 p在大小球盘为3球时,投注小球的回报总数额为:
) \$ E. m$ V8 Z/ O8 pK=0 X0=Bu*U 6 Q( A8 W0 W; e5 Z7 k
K=1 X1=Bu*U ) E: ^# h9 @+ w9 Q) e& k/ s
K=2 X2=Bu*U ! T) T {/ K% z! f
K=3 X3= Bu
2 K! Z9 E5 ^# a* l/ pJ=4;5;....x X4+=0
' a) T" h. Y7 t) h# b f0 n5 d
6 d( c& U% ^7 [; h( a/ y6 L2 w投注小球的期望回报总数为:∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu
$ g: |( d5 t; N& T! k- 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。3 W8 Z6 z' ^4 e9 }2 O7 \, q! ]
∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu =Bu
6 \4 |9 [# s! J U*(P0+P1+P2)+P3=1
0 O" @ c) E" e% O6 C# s 在此盘口下,小球的赔率为 U=(1-P3)/(P0+P1+P2)
4 F5 f% |" G- M, u7 W* L% [5 D, Y3 v. n: c0 z3 T
3:大小球盘为2.5/3球(G=2.5/3) X8 J. Q% Z" @9 r E; Q
; _! I' w3 W* n. d, v- B
在大小球盘为2.5/3球时,投注大球的回报总数额为:( F! j- y5 f, |
K=0 D0=0
2 G' l; \9 S3 H' x4 d/ EK=1 D1=0 * B) v& H0 t$ l, a) k. n7 [
K=2 D2=0
4 A# n9 ?( a& }) a2 pK=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)- @" o M3 e; T+ c
K=4;5;....x D4+= {Bo* O
2 r4 T6 g1 I# P1 D
3 I. F1 c7 J' |投注大球的期望回报总数为:
$ m$ p s5 a4 d! Z8 a X ∑D=P3* Bo/2 +P3* O*Bo/2+Bo* O*(∑Pn-P0-P1-P2-P3)
2 m! n+ | Y$ o" P! y' u, l = P3* Bo/2 +P3* O* Bo/2+Bo* O*(1-P0-P1-P2-P3)
$ j5 h$ n% d. m# W# u& E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: v9 y6 G" W" F7 n) c
∑D=P3* Bo/2 +P3* O* Bo/2+Bo* O*(1-P0-P1-P2-P3)=Bo/ S3 u0 R% x4 p' M& ]
P3/2+ O* P3/2+O*(1-P0-P1-P2-P3)=1
# N% o) F: ~' K, {1 _3 t O*(1-P0-P1-P2-P3+ P3/2)=1- P3/2
# p8 n1 e6 p& w( [ 在此盘口下,大球的赔率为 O=(1-P3/2)/(1-P0-P1-P2-P3/2) ( t; k5 s2 k: _
" ^$ [; J4 g i" v- S
在大小球盘为2.5/3球时,投注小球的回报总数额为:
$ v3 A o$ Q m7 t: CK=0 X0=Bu*U
% [! Z/ K" I0 i9 b& U. KK=1 X1=Bu*U
& h5 o4 J: X' k# ~) d7 U# z: hK=2 X2=Bu*U
$ J% [0 d9 i3 T2 c# R4 w/ X, q' fK=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)
5 I0 W- h& ~0 g1 M. ~3 _' HJ=4;5;....x X4+=0' w3 V6 G5 ~% j9 A5 t# h' `' M+ X' U
' Z4 D T+ t! c, g0 `
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+ V! H0 J w l' V* ?, 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。, r4 ]. ^- P1 G" w$ y
∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2 =Bu) H1 N/ A3 y- C# E- e' I3 w4 j
U*(P0+P1+P2)+P3/2=1
' F" H) U3 @3 h8 |: C+ g 在此盘口下,小球的赔率为 U=(1-P3/2)/(P0+P1+P2)' I& A- W/ O, T* X. o P% m
6 [# d$ Z; J9 a+ h' u2 ^4:大小球盘为3/3.5球(G=3/3.5)
2 }+ J" z G$ J Y* E! `
p1 @' f9 H" {在大小球盘为3/3.5球时,投注大球的回报总数额为:3 T$ G) i8 M7 j- l1 n9 Z1 q* o# X
K=0 D0=0 . u- Y; F0 w0 l- N1 x6 R v3 a
K=1 D1=0
! p J1 a# L! i; v W! b% WK=2 D2=0
0 B2 \' h$ v1 v0 {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)
, F+ g, j$ |% k( dK=4;5;....x D4+= {Bo* O
0 N+ k, t! J" j+ ^3 g' x4 s
" n. S. i G& H6 A投注大球的期望回报总数为:$ ^# ~: V* g4 E o, f' R
∑D=P3* Bo/2 + Bo* O*(∑Pn-P0-P1-P2-P3)
* M9 l1 M! d3 m = P3* Bo/2 + Bo* O*(1-P0-P1-P2-P3)
! t! L+ U+ t+ 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。. v, o, c' j+ P& S }# q. v
∑D=P3* Bo/2 + Bo* O*(1-P0-P1-P2-P3)=Bo9 A5 n. y$ W. w$ B
P3/2+ O*(1-P0-P1-P2-P3)=1
8 ?' O# m3 u/ n( \ O*(1-P0-P1-P2-P3)=1- P3/2/ ^3 I+ @; i0 Q% k5 |( H
在此盘口下,大球的赔率为 O=(1-P3/2)/(1-P0-P1-P2-P3)
' p+ G* r% Z9 a& r! R8 X+ ] y8 _ 或者表述为 O=(1-P3/2)/∑Pn----------(这里n=4;5;……x)6 H2 ~; W7 {6 ~* X* |: A
- b8 B" |( O1 k0 Z8 P4 H6 M$ L/ b: ?在大小球盘为3/3.5球时,投注小球的回报总数额为:
) P6 d0 y O3 {: S+ QK=0 X0=Bu*U
5 t' V# a2 I: C1 k f* S" |% {( Y) gK=1 X1=Bu*U ) {# X$ C) [. @4 f
K=2 X2=Bu*U
' }& A0 H' r* \8 |8 @6 u3 X0 AK=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)# N6 e x6 W# R# c" Q0 j) ^1 r
J=4;5;....x X4+=0 _1 k6 m$ |1 F- T4 I# d' R
$ R4 U, M* W3 h( ^8 B" c: \
投注小球的期望回报总数为:
8 v! K2 b' U% `& Z; D% q, @' [: [8 q8 n: X ∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2+ P3*U* Bu/2
+ i* v9 _2 v0 U. ?( l5 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 I5 g# ~3 e& x) F ∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2+ P3*U* Bu/2 =Bu' C0 r4 f; O$ J& Z, B
U*(P0+P1+P2+ P3/2)+P3/2=1: v; V0 h# \8 }+ Q* r
在此盘口下,小球的赔率为 U=(1-P3/2)/(P0+P1+P2+P3/2)8 {" J7 F! f4 o4 d& o6 ?+ R; m
& [8 l' P( l" r8 d% s+ h! K. z G( ^; J
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.3 D7 {* x- U" r
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* X4 M3 s" ~- M$ }8 J
1 c0 U+ d9 o" W) ~( O1 D8 ^
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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