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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。3 q1 N; T f; O, e, a' {
我们先引入下列符号:& |( K0 M7 _8 |! C/ r- F/ M$ B: T
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 u5 Y$ p' o2 R ^
即:P0=全场进0球的概率;P1=全场进1球的概率;……。: n7 _' B& ]5 I. _" E) x
那么 ∑Pn=P0+P1+P2+……+Px=100%。: k+ h; F- K* M0 d9 F4 S: w
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。
* Y) L0 J( J5 n3 m6 GBu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。+ [ x& c4 S k3 r3 U I0 c
" n# D% @- E) R4 y' y1 w6 |! }
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。4 ~' y9 y! ~8 b J
在任意盘口G下,全场比赛会出现如下3个结果:+ n( f7 W4 S6 D$ Q0 h) s4 L/ x
1:K>G 即出现我们通常所说的大球。: H+ R' I0 h: M* x5 t
2:K=G 即出现我们通常所说的走盘。
! n4 I1 i: Y" H% t# x3:K<G 即出现我们通常所说的小球。
A6 {8 X% E- Z& s1 B" d# s9 @8 M5 V' g# i& q! |. i, e
那么在此盘口下投注大球的回报总数额为:) H9 [' b0 R, X) ~, N
D1:(K>G)={Bo* O 即赢盘获得与此盘口相对应赔率的回报。
1 |0 Z$ ?$ d+ d. w3 L& xD2:(K=G)={Bo 即走盘退回本金。! t2 a3 e1 p8 V' J2 F" l2 H" U9 ]! Y
D3:(K<G)={0 即输盘失去本金。1 [5 D, g; y. P3 z) s
8 j: K( }: X( s$ l2 o, o2 }; J
同理在此盘口下投注小球的回报总数额为:
3 l' H+ J% K9 n, EX1:(K>G)={0 即输盘失去本金。
6 a9 R* c# P: gX2:(K=G)={Bu 即走盘退回本金。/ ^. D% T- R! R+ {8 A5 k# X8 W9 E
X3:(K<G)={Bu*U 即赢盘获得与此盘口相对应赔率的回报。8 a% [, d _; y0 O' S
, a/ T z+ v0 K6 u0 s; H5 v9 c
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。; o9 o3 a/ \, I% d; t: l; M0 M' C
) B" o+ b, v" y: i4 w1 Q4 Z, m: ^5 X
1:大小球盘为2.5球(G=2.5)- }: V2 [' Z; {0 [
0 x/ y- X4 ?! G在大小球盘为2.5球时,投注大球的回报总数额为: P9 _/ n+ K* l
K=0 D0=0 5 c1 e% Z/ q/ S. j
K=1 D1=0 ! @5 i+ V& L$ L7 B! a$ f7 ~7 Q
K=2 D2=08 O5 Q3 v0 J: B( |9 J `5 F! t) g
K=3;4;....x D3+= {Bo* O " G+ I, }; z) v) u/ T
# e H* T* f# n- V5 r* 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)) @+ e6 f/ M) W/ k# a6 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。- `. _8 Y; f. @. \5 D# @
∑D=Bo* O*(1-P0-P1-P2)=Bo( V( d$ A" v0 }+ W) `7 l
O*(1-P0-P1-P2)=1; e# c' n( k" |& C
在此盘口下,大球的赔率为 O=1/(1-P0-P1-P2)
$ _) I/ C0 H% q. I 或者表述为 O=1/∑Pn----------(这里n=3;4;……x)
9 p& P! j) i2 E# p
: M/ ~/ R8 H1 n. O在大小球盘为2.5球时,投注小球的回报总数额为:
0 ~" S3 T6 z ]! r, I* l* `$ bK=0 X0=Bu*U . w( E% _& Q! I% c6 v, ?
K=1 X1=Bu*U 6 \1 Q$ g) k5 X: j, |
K=2 X2=Bu*U
2 k/ ~% M3 M4 E: c8 g+ |K=3;4;....x X3+=0, }, d& @$ `; i2 r$ Y
. @+ }, { Q: p- Z q Y3 e投注小球的期望回报总数为:∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U
: q3 k | }5 H8 \2 x) t& 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。4 N5 i# r) ^: _, W
∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U=Bu
7 a/ e+ q6 i8 L4 t+ p Q/ V U*(P0+P1+P2)=11 u8 _( U; Z9 J/ U ]
在此盘口下,小球的赔率为 U=1/(P0+P1+P2)
+ Y3 \& T6 }+ Q% E
3 U( D# G$ V! m" E j' t5 i2:大小球盘为3球(G=3)/ O7 b; i. Z; I H/ D, _
& N6 Q5 T3 V# b1 Q
在大小球盘为3球时,投注大球的回报总数额为:
$ H( o4 o$ q$ E8 ?& }. ^; ~0 XK=0 D0=0 - t3 l& l; w# o. t* k0 t
K=1 D1=0 9 A* p4 y% s! R
K=2 D2=0
6 |' B1 ?; _& Q6 hK=3; D3= Bo
, D/ W+ K" N5 s$ i3 F" YK=4;5;....x D4+= {Bo* O
2 [8 m' U: W/ c, n& X j
& h9 @5 b# r& s0 S& M投注大球的期望回报总数为:
( K' _) \2 ^# T: U% X∑D=P3* Bo +Bo* O*(∑Pn-P0-P1-P2-P3)= P3* Bo +Bo* O*(1-P0-P1-P2-P3)
8 @) Z1 [% p) ^: v4 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。/ S3 U8 |, ]1 `! j8 f
∑D=P3* Bo +Bo* O*(1-P0-P1-P2-P3)=Bo
Q1 W, D+ }3 `5 f& g P3+ O*(1-P0-P1-P2-P3)=1# `6 s2 j9 g: F+ E2 R. K2 e
在此盘口下,大球的赔率为 O=(1-P3)/(1-P0-P1-P2-P3)
# j8 S7 n# a& E1 n3 x 或者表述为 O=(1-P3)/∑Pn----------(这里n=4;5;……x)# y: |5 f* J9 C5 s7 }" ^
# ~6 m1 V+ p7 L8 t) M在大小球盘为3球时,投注小球的回报总数额为:
w8 m0 Q$ Q$ y5 i- `K=0 X0=Bu*U , V7 [! A+ V9 t1 ], ]
K=1 X1=Bu*U
1 q$ e& W9 o8 V7 k' OK=2 X2=Bu*U 0 E) ^1 W Y' e c/ m
K=3 X3= Bu/ T0 X8 [; \7 e0 X
J=4;5;....x X4+=0( Y3 H5 P$ S( S
) I0 \- K( l: [, ?+ s投注小球的期望回报总数为:∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu' T' J5 Z7 r4 w& S. J
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 `4 e8 A4 h6 ?2 A2 u ∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu =Bu" l0 G: s) z1 `" a# G! T$ D& |
U*(P0+P1+P2)+P3=1
+ m1 c! F- S w 在此盘口下,小球的赔率为 U=(1-P3)/(P0+P1+P2)0 @2 X6 ?6 M; q* D. U4 ^
m3 n9 H( e. T
3:大小球盘为2.5/3球(G=2.5/3)
( ]! S+ v6 I+ c: o; ~% m9 o
+ w6 u: d+ V5 f8 M& i# ]. R+ l+ ?在大小球盘为2.5/3球时,投注大球的回报总数额为:
, D5 ~' {% z+ ?& LK=0 D0=0 ' C4 G6 p% O- Q7 }! u3 K1 N0 O
K=1 D1=0 5 `8 i" g" D+ R8 F; ^
K=2 D2=0
7 D' _0 r, J- n1 P6 Q, M& i2 j- Y3 gK=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)& w$ ], ~. ~) M% h
K=4;5;....x D4+= {Bo* O
' T+ y2 C6 J" {, Y. y
6 p1 X8 I. n& W! x! _& S投注大球的期望回报总数为:# C( K' _/ {4 x2 R6 O$ A f
∑D=P3* Bo/2 +P3* O*Bo/2+Bo* O*(∑Pn-P0-P1-P2-P3)
9 t% E) _# k& r7 P6 r = P3* Bo/2 +P3* O* Bo/2+Bo* O*(1-P0-P1-P2-P3)
& z1 V2 @% A& Q# D9 U1 E* ]" 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。' P; W4 E E Z8 Y/ D; @' @
∑D=P3* Bo/2 +P3* O* Bo/2+Bo* O*(1-P0-P1-P2-P3)=Bo
: B# p/ M1 I+ ^/ u P3/2+ O* P3/2+O*(1-P0-P1-P2-P3)=1
' l7 |8 N) q5 @ O*(1-P0-P1-P2-P3+ P3/2)=1- P3/2
% h9 L6 R; j0 Q% a 在此盘口下,大球的赔率为 O=(1-P3/2)/(1-P0-P1-P2-P3/2)
5 Q' p2 o+ m; r" l& h# S @+ V* T( K
在大小球盘为2.5/3球时,投注小球的回报总数额为:
9 ~/ _7 U6 A7 u: L2 A {7 hK=0 X0=Bu*U + A" ^" J1 l3 Y" y( M+ D9 [$ i. I7 [
K=1 X1=Bu*U 5 {$ ?2 I6 o7 n b1 d. ^8 g
K=2 X2=Bu*U
% \& f; r/ x, f Q) L. E# EK=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)1 F8 o+ D# G0 l; p
J=4;5;....x X4+=0
, M! [; C& x1 @! |, d
g! B! F+ a1 ^! K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
9 H: F& A0 g& Y9 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。
% F+ r$ f, Z8 s" V3 p0 X$ d ∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2 =Bu, r' D6 p; C6 I8 M* W6 E
U*(P0+P1+P2)+P3/2=1( D3 B$ Z9 ~4 {5 R/ l
在此盘口下,小球的赔率为 U=(1-P3/2)/(P0+P1+P2)
9 J/ Z2 L6 F5 e _9 F- l* T/ b% ^% |. s' M
4:大小球盘为3/3.5球(G=3/3.5)
# }$ g$ J* Y& q I2 z& f$ ~( s1 P, K/ [& K3 T
在大小球盘为3/3.5球时,投注大球的回报总数额为:2 u* B6 X6 v/ E, s" {8 c" @5 s ]
K=0 D0=0 ' x9 K" e$ t! R
K=1 D1=0 4 v. e$ O' C9 k3 _* N! u
K=2 D2=0
( K" B$ @+ x& W9 P( \6 K) UK=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)
9 q% i" O8 b. R4 cK=4;5;....x D4+= {Bo* O $ i+ k' v2 l- x
8 T9 p8 g) @7 A7 H) u6 n
投注大球的期望回报总数为:
) N; c" Q+ x, |8 D ∑D=P3* Bo/2 + Bo* O*(∑Pn-P0-P1-P2-P3)
0 ?# U9 c0 V/ g = P3* Bo/2 + Bo* O*(1-P0-P1-P2-P3)
5 Y" X) e$ e8 ^& e1 p. d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 h( z; s$ ?+ i0 U
∑D=P3* Bo/2 + Bo* O*(1-P0-P1-P2-P3)=Bo
" Y; ?" \& o& c$ n2 p; e. _4 @ P3/2+ O*(1-P0-P1-P2-P3)=11 G6 ^8 d. y" g
O*(1-P0-P1-P2-P3)=1- P3/2
% d7 H! P' A, O8 G4 u0 F2 ]# b 在此盘口下,大球的赔率为 O=(1-P3/2)/(1-P0-P1-P2-P3): z( A3 P1 `3 p" n. X! \
或者表述为 O=(1-P3/2)/∑Pn----------(这里n=4;5;……x)4 e; r+ z, G+ G7 Q
9 ?9 `* q) L1 i2 R, k2 J5 N8 \% q5 n在大小球盘为3/3.5球时,投注小球的回报总数额为: J/ t; G: M* X- H; d: l
K=0 X0=Bu*U
3 U2 Q# v8 l) ~K=1 X1=Bu*U
/ v m m1 `8 g' b9 D4 Z5 LK=2 X2=Bu*U
+ C4 L, M3 R$ [! t6 nK=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)
8 e. `1 H& J3 [$ n5 y+ ~J=4;5;....x X4+=0$ A7 n$ g) H! J P7 P
* d: S5 v( [& ?) N5 Z投注小球的期望回报总数为: D! W+ Q y& }7 k/ f6 l1 k3 Y; x( A' Q
∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2+ P3*U* Bu/2
! U1 ^- w' t" k- x9 n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。
+ w* P N# m- p6 z/ f3 W$ ]# [ ∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2+ P3*U* Bu/2 =Bu% x( c5 \' i/ C2 F) E. R
U*(P0+P1+P2+ P3/2)+P3/2=1
; t0 N- W7 A! p2 n6 m- H 在此盘口下,小球的赔率为 U=(1-P3/2)/(P0+P1+P2+P3/2)* q- b) R+ i, e
. \2 Z# a/ G9 d1 p4 V7 Z
X% a6 b1 z6 a% B* i3 j& B, n% c5 Q
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." C! C$ b9 O. y, K# E( \
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!
# j1 D/ l/ a5 b- l9 {% H- h( s. J1 X8 S% C, \7 p( B4 @. K) V; l' e1 V
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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