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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。
N5 w8 W- \: f! X1 h我们先引入下列符号:: P$ q' X* G& Y% b3 F$ j' B
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。6 _% g7 K. k1 h( F0 q( G" z
即:P0=全场进0球的概率;P1=全场进1球的概率;……。( G2 r, i H' x3 m2 h+ \
那么 ∑Pn=P0+P1+P2+……+Px=100%。
, W0 U9 n9 S) b' n7 D7 A" p. _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。% v+ h- L* R, [! o5 x) c6 d' g) B
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。9 u4 ]7 m* g7 {' s4 r
4 G0 G7 Z% e# p A6 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。" W' F5 F! t% l( a7 |6 R! B
在任意盘口G下,全场比赛会出现如下3个结果:
5 t- Q0 O* T5 h0 {1:K>G 即出现我们通常所说的大球。4 `# |, x) R* c& z( a/ e% \! l
2:K=G 即出现我们通常所说的走盘。( @3 m7 z$ M }: i4 N7 J6 ~! j
3:K<G 即出现我们通常所说的小球。 _/ [& L. a. P
! }- v3 b8 Z: y
那么在此盘口下投注大球的回报总数额为:4 N* K! b" B- U; }5 h
D1:(K>G)={Bo* O 即赢盘获得与此盘口相对应赔率的回报。$ c7 z3 o* \# z3 ^0 Y. M
D2:(K=G)={Bo 即走盘退回本金。( p( F8 O: S& _4 r; R
D3:(K<G)={0 即输盘失去本金。: z! Q% Y7 M9 d! C% Z! K$ ^
& ^6 L3 Y1 `$ R$ T/ N0 G) E
同理在此盘口下投注小球的回报总数额为:
9 H# h8 o; y+ S5 R4 }) ~X1:(K>G)={0 即输盘失去本金。% E2 W. n- b& {3 j* Q
X2:(K=G)={Bu 即走盘退回本金。5 q' i+ {4 r/ E
X3:(K<G)={Bu*U 即赢盘获得与此盘口相对应赔率的回报。
" \$ X1 C( D. k B2 F G
8 Y8 u( q! S' 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。
3 S" \/ T9 r* |1 C; {9 A
! Z0 n9 [) j K7 o/ l8 x4 \1:大小球盘为2.5球(G=2.5)2 U" A" R4 u2 ^+ D* l
% H* A8 w0 W3 E1 o在大小球盘为2.5球时,投注大球的回报总数额为:# N+ x# r c. _9 Z& l
K=0 D0=0
5 X/ M: ^; i9 GK=1 D1=0 / F1 { e r* g3 f! B0 O
K=2 D2=0 j- b7 V& ?; L' v8 s: `. U1 G
K=3;4;....x D3+= {Bo* O 1 `. J& O, ]% B2 t6 K
* r, a1 f, h7 ~1 ?! }6 M) i7 O
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)
! L# ~5 o+ m) V% E( ^0 z% 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。
4 I0 \6 I9 G; k: n7 m ∑D=Bo* O*(1-P0-P1-P2)=Bo
5 {' S1 W( P/ _% V. ~ O*(1-P0-P1-P2)=1
- Q7 M" f4 M0 b" `3 ~! C+ n 在此盘口下,大球的赔率为 O=1/(1-P0-P1-P2)
8 c( l* w7 H' x9 E, \ 或者表述为 O=1/∑Pn----------(这里n=3;4;……x); j) K) T r& }) ?7 { {9 e( N- t, L1 `
4 \# q4 Q/ d) U: O8 I6 R在大小球盘为2.5球时,投注小球的回报总数额为:# y% F/ w# S9 u3 U% ]
K=0 X0=Bu*U
9 {8 F H0 p( \K=1 X1=Bu*U
- W6 b% P ?) T3 \. `K=2 X2=Bu*U % O0 W5 g* @- G2 U+ p' _4 Z" s b: r
K=3;4;....x X3+=0% I) v R! c2 V; y- Q9 _* X
$ g0 X& L# g* `! B- N- m投注小球的期望回报总数为:∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U
! z! d% g3 v; M0 ~6 w! d/ 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。; G# H9 S1 f+ c7 u5 k
∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U=Bu, j- a9 D: E# K% o- m
U*(P0+P1+P2)=1
+ c) \6 h4 n f$ Y0 ~- [ 在此盘口下,小球的赔率为 U=1/(P0+P1+P2)
# b/ Z! e( V! |& j4 d7 F
9 k7 n$ @) e& U8 d" K2:大小球盘为3球(G=3)
' m; L4 s3 n% G
% ?% V7 R2 n# @9 b在大小球盘为3球时,投注大球的回报总数额为:) j8 g6 G3 c: Z$ F* O- Y* E- Y$ T
K=0 D0=0
1 M) d# {2 O5 \& CK=1 D1=0 : i, o" a. y J: }
K=2 D2=0
; M0 E8 }5 C4 \9 V/ e; S+ G" wK=3; D3= Bo. r* T; x6 e- m: M" A4 K
K=4;5;....x D4+= {Bo* O ' q: H$ t: y9 Y, k. P
* d3 w+ a' h; F, m: `! O投注大球的期望回报总数为:
4 M0 u) G, G& e( o8 X8 g8 [∑D=P3* Bo +Bo* O*(∑Pn-P0-P1-P2-P3)= P3* Bo +Bo* O*(1-P0-P1-P2-P3)' J+ a. o h- q+ d6 s
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。
% q" Y2 o9 ~/ i' B1 v7 C& M ∑D=P3* Bo +Bo* O*(1-P0-P1-P2-P3)=Bo# S% r8 R& F' b, J
P3+ O*(1-P0-P1-P2-P3)=1
4 B7 C7 Q) M! k2 v' t 在此盘口下,大球的赔率为 O=(1-P3)/(1-P0-P1-P2-P3). D* ~2 d# ~( e0 x( V" V
或者表述为 O=(1-P3)/∑Pn----------(这里n=4;5;……x)) T( ?4 j! d) W h5 k- K+ {/ C+ c
* [/ Z% u& U; B: D* i- V6 p在大小球盘为3球时,投注小球的回报总数额为:
( W: C6 O" |" a! p! C; tK=0 X0=Bu*U 4 B* n3 ?1 u( F; c W
K=1 X1=Bu*U
" a9 l# a3 `4 ]3 JK=2 X2=Bu*U
" i8 q& x( H p4 ^$ e; D2 qK=3 X3= Bu
" s7 ~2 `3 m) ?8 GJ=4;5;....x X4+=0
: ^4 A; E$ n. r
' t9 u }$ J* e0 _. Z1 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
1 |3 V1 T# h5 G$ V9 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。7 J0 q* u) O% p' b6 o) O- ~& h$ P
∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu =Bu. n/ R" ^# q! r4 r" M
U*(P0+P1+P2)+P3=1
) D6 |/ r# J/ ?" W 在此盘口下,小球的赔率为 U=(1-P3)/(P0+P1+P2)
, H4 l9 }4 I8 u5 F/ t* p& ~5 L1 p2 A, N6 U" k# w% p/ t, g9 @1 ^
3:大小球盘为2.5/3球(G=2.5/3): f1 m$ m3 y0 h( g" a
( G i7 G& V% L' j4 |* Y5 H在大小球盘为2.5/3球时,投注大球的回报总数额为:* j" N, j# `1 A# I) f1 J
K=0 D0=0
/ H0 Y/ L4 k& q9 J, CK=1 D1=0 0 j' a7 y0 w. i$ \; Q0 N2 l/ _
K=2 D2=0
2 j2 m- w5 U+ D: W! u9 @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)( O8 I: t3 h( ?" ^" K& L
K=4;5;....x D4+= {Bo* O ' W7 M- S" Q" X5 |2 w! M9 x
+ Q) W1 |( Y5 J" y7 p/ q' J投注大球的期望回报总数为:9 [. A" \4 `. V+ n4 e- O2 n
∑D=P3* Bo/2 +P3* O*Bo/2+Bo* O*(∑Pn-P0-P1-P2-P3)4 s. G$ e3 ^- L. z, ]+ N) C
= P3* Bo/2 +P3* O* Bo/2+Bo* O*(1-P0-P1-P2-P3)) y3 B! F% k: ?3 I
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) e/ d; w8 ?
∑D=P3* Bo/2 +P3* O* Bo/2+Bo* O*(1-P0-P1-P2-P3)=Bo
( {1 E2 j6 T& S P3/2+ O* P3/2+O*(1-P0-P1-P2-P3)=10 m' W6 [. _' ?. i
O*(1-P0-P1-P2-P3+ P3/2)=1- P3/2
8 f! m4 T H* V8 {: C% ` 在此盘口下,大球的赔率为 O=(1-P3/2)/(1-P0-P1-P2-P3/2) 4 T4 L# @# r5 R" ~. K; O) z7 I0 H
' u7 d+ `% f, `3 C在大小球盘为2.5/3球时,投注小球的回报总数额为:) C' b6 A0 ^8 W, Y
K=0 X0=Bu*U 7 P9 V: S' L2 [
K=1 X1=Bu*U
; o F e9 ?$ i0 UK=2 X2=Bu*U / L- a B- l* T. u; @, B/ `
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)! ^ D1 h$ z3 E* o
J=4;5;....x X4+=05 y+ R" j! n! C+ R7 p
2 s+ y- l9 \+ {4 H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
& n( P3 F0 h, H 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。
2 Z+ ?) }& a( M4 F- I# V ∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2 =Bu
3 X, h8 I( \. a# G' f! Q7 z U*(P0+P1+P2)+P3/2=1 q$ e( k; I; @' y7 L
在此盘口下,小球的赔率为 U=(1-P3/2)/(P0+P1+P2)- ]$ M( S1 s) ?6 u4 o; r& q
' ^6 K* x1 C: i' M7 |/ M( E4:大小球盘为3/3.5球(G=3/3.5)% B7 S @1 r4 m6 p
! o; n- c; E3 S! V在大小球盘为3/3.5球时,投注大球的回报总数额为:( g1 X9 t+ R, V2 L8 ~" ^0 s; G
K=0 D0=0
" y- c8 {% S2 [3 F. jK=1 D1=0
! w+ H K2 L% \2 qK=2 D2=0
3 M% ?! s. Y0 ^! l7 y4 jK=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& P. i6 N/ H: P1 C# k4 uK=4;5;....x D4+= {Bo* O ' [" f% G# y1 i
: i, u. W/ s3 ]4 C8 G' ^9 q8 @0 ~
投注大球的期望回报总数为:
- y! x/ O7 C+ T ∑D=P3* Bo/2 + Bo* O*(∑Pn-P0-P1-P2-P3). V' C( w1 b1 I7 I3 K
= P3* Bo/2 + Bo* O*(1-P0-P1-P2-P3)! k! f" B9 ]/ u; 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。) n% C: _. I- ?0 n8 K9 U2 s
∑D=P3* Bo/2 + Bo* O*(1-P0-P1-P2-P3)=Bo* ^ q1 m" q2 `! C9 q- H; w
P3/2+ O*(1-P0-P1-P2-P3)=1* x, n2 r+ Q, n, p/ D% v0 T
O*(1-P0-P1-P2-P3)=1- P3/2
; }9 b6 U. {) J0 f3 ~ 在此盘口下,大球的赔率为 O=(1-P3/2)/(1-P0-P1-P2-P3)
: y9 ?4 T; v. I' y, k( w 或者表述为 O=(1-P3/2)/∑Pn----------(这里n=4;5;……x)
% G8 ]% Y: E" R m5 v8 b3 H7 c4 E' D7 c: W8 N0 J5 W+ u: `
在大小球盘为3/3.5球时,投注小球的回报总数额为:
$ W0 P! h7 @2 H" TK=0 X0=Bu*U ; f f# @' [$ t. o
K=1 X1=Bu*U : q* c1 e8 l' y" u( d. v
K=2 X2=Bu*U
. z; h- e4 p, P6 j2 ~# gK=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)
\) @ p' h' B8 ^! ~4 jJ=4;5;....x X4+=0. N( S( ~1 p$ d" Q; T6 h
* }( v9 P2 |1 p$ n( m; C2 }9 @& g
投注小球的期望回报总数为:$ E7 F9 N9 X2 x. X3 Q4 c4 v
∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2+ P3*U* Bu/20 Y1 P- T1 ]& a$ s: V" 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。
m5 P6 e( i) q' Q ∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2+ P3*U* Bu/2 =Bu
9 o9 M: s, u' {" ~& O/ g% u M U*(P0+P1+P2+ P3/2)+P3/2=1
$ | X. A2 ]9 U% D j/ G 在此盘口下,小球的赔率为 U=(1-P3/2)/(P0+P1+P2+P3/2)
3 G/ K1 Q( j6 H5 {2 n/ _- l; A& E6 }4 {
% x: h7 y A& _
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.1 O# U( e" t/ r. a6 U0 |* ~& V. j) 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!0 y! a- f7 n3 R- J
' |0 t1 a" f( _' n U
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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