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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。
; e v/ \1 B$ [5 o- W% e* a我们先引入下列符号:; [& [( ]# k Q) m; M
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。$ c/ w' p; p( O/ T
即:P0=全场进0球的概率;P1=全场进1球的概率;……。+ }: x1 R7 l+ u5 F" ^8 }. T9 {
那么 ∑Pn=P0+P1+P2+……+Px=100%。6 t. Y+ m& c# C5 h/ x
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。. l0 P8 {6 C3 ]- @% Z5 m
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。
0 f, ^) l+ T9 A" m2 w1 T
5 S: m- Q) e6 F$ ?! q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。0 \! n& c+ _8 ]
在任意盘口G下,全场比赛会出现如下3个结果:! F }; m( `9 _4 U5 d+ C
1:K>G 即出现我们通常所说的大球。
4 y9 L" G7 v7 {2 P2:K=G 即出现我们通常所说的走盘。+ i, e( A+ _ ?; V1 _
3:K<G 即出现我们通常所说的小球。, Y- F5 l7 B' Y# i- x7 p1 v6 j
& v9 F9 j2 ^) l# ?4 C
那么在此盘口下投注大球的回报总数额为:; I( V: }* W- w
D1:(K>G)={Bo* O 即赢盘获得与此盘口相对应赔率的回报。8 O- P& H8 h. Y1 k
D2:(K=G)={Bo 即走盘退回本金。7 ^7 n! X" B* t) Q6 ^1 ?, R/ x
D3:(K<G)={0 即输盘失去本金。( q: L( e2 N' [" y4 K
! K4 }& Y# A( y% x
同理在此盘口下投注小球的回报总数额为:
2 S8 g) ?4 s3 ~. T7 o5 ?# ^X1:(K>G)={0 即输盘失去本金。
4 b* T. o2 G: q. S4 `% KX2:(K=G)={Bu 即走盘退回本金。
/ {! S0 s! }, e' {' e" yX3:(K<G)={Bu*U 即赢盘获得与此盘口相对应赔率的回报。
* t% R8 x) g6 q8 E& @
: B; Y- }! d7 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。7 t) ]- z0 s G9 x
0 ]3 Y7 ^$ K' s! z; }9 W/ \7 {1:大小球盘为2.5球(G=2.5)* O' h/ J4 ~: _" O* M6 u3 h6 z
4 p! [9 K0 }% J0 H! G4 J在大小球盘为2.5球时,投注大球的回报总数额为:
8 |! i/ q* K& P/ K% ]7 PK=0 D0=0 # j& e& D& k$ O7 o4 g, A; O* V9 O( \
K=1 D1=0
/ d) c. |$ e) o( F" W( z( JK=2 D2=0
4 X2 V% w0 \1 r' a% |) zK=3;4;....x D3+= {Bo* O 9 _' _1 }" Y- O+ T4 ]* a3 q8 V
8 i" A3 `* F6 {4 O' |; o0 c
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)2 _% ^# b" Y8 T2 y0 N8 Y
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。- C/ R! z% d9 E; C5 y
∑D=Bo* O*(1-P0-P1-P2)=Bo
2 P# s! Y- j" N1 F+ g% O, o9 E* u O*(1-P0-P1-P2)=1
& p* e5 Q* W8 K" C 在此盘口下,大球的赔率为 O=1/(1-P0-P1-P2)' W7 s8 U- o: b9 `5 Z6 Y- V
或者表述为 O=1/∑Pn----------(这里n=3;4;……x). S* D' H9 K% v* n+ M
" m- R1 |, `8 I8 {) i3 i3 @3 R: c
在大小球盘为2.5球时,投注小球的回报总数额为:
: T' \, N8 Q( e) x+ S/ pK=0 X0=Bu*U
$ K: k' D7 A4 s6 Q# \% c* _K=1 X1=Bu*U ) {5 C5 e; f$ t) }5 g; _; e
K=2 X2=Bu*U 5 ~* z5 G+ V$ L" l6 n
K=3;4;....x X3+=0
! y, ^6 u- x! r ]9 v% I
/ Y, o7 G1 ` E d0 {- m! e' h; G! i投注小球的期望回报总数为:∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U* [7 ?5 X5 T* k; {2 T0 j) 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。
! @' h) M1 `! m9 c1 a+ t, g ∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U=Bu
# g9 `$ G- \4 r9 s5 D2 \# ` U*(P0+P1+P2)=1 E5 K; }! z6 O/ y+ R- Q) d# f
在此盘口下,小球的赔率为 U=1/(P0+P1+P2)
, p+ |. r7 e4 ?- }5 i& u& H* `' ? D: b% L& B, ?: W; V: }" g# Y
2:大小球盘为3球(G=3)' S% P& B5 o9 e/ M2 h6 K
/ L u+ L3 a1 |* B; N8 k# q1 K5 l0 C
在大小球盘为3球时,投注大球的回报总数额为:
! Z# u" A2 M' [0 f6 q& ~K=0 D0=0
$ @% ?4 c1 v) D4 RK=1 D1=0
/ v! g$ X; d! Z+ W- _K=2 D2=0
& m8 `: }+ l9 x4 ` S8 u$ MK=3; D3= Bo6 R4 M, ~" ~. m* y; U
K=4;5;....x D4+= {Bo* O
+ j- }/ [3 E9 Y# p' m" y1 M' |0 m) h
7 P% U6 e6 _: O6 o, _' i投注大球的期望回报总数为:: b- u+ ^8 S( W+ J: @' A& G5 }" G, T
∑D=P3* Bo +Bo* O*(∑Pn-P0-P1-P2-P3)= P3* Bo +Bo* O*(1-P0-P1-P2-P3) F9 w+ f8 n8 T8 j/ {$ f3 q: 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。4 j/ `/ G1 S# O. w* }
∑D=P3* Bo +Bo* O*(1-P0-P1-P2-P3)=Bo" Y' a3 L a, ^5 v
P3+ O*(1-P0-P1-P2-P3)=1
. P' t" G/ O z: p M- E$ a, j6 M 在此盘口下,大球的赔率为 O=(1-P3)/(1-P0-P1-P2-P3)6 v4 ~) L6 u7 w9 N9 f) `
或者表述为 O=(1-P3)/∑Pn----------(这里n=4;5;……x)2 W0 N7 M# p2 r+ P
2 W' ~: f b" i1 ^5 V1 a
在大小球盘为3球时,投注小球的回报总数额为:0 C: }) O% X/ V7 {: B5 j
K=0 X0=Bu*U - ~- R, e3 w0 E: O; T
K=1 X1=Bu*U
* V# C- m9 _% DK=2 X2=Bu*U & Q6 m6 ]/ P# O- r
K=3 X3= Bu
' ~2 a$ A( C8 v' X, o& vJ=4;5;....x X4+=0
) s9 C2 T: @, G* @; S+ e. U: _* ~' |; F2 L- l( ^7 d" v
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 K: O( F7 \% W' ^% z5 `; 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。
/ P7 j0 c( K0 {8 A3 I0 w ∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu =Bu+ Z- r7 x' E' X- W% T
U*(P0+P1+P2)+P3=16 m: ~2 J& }* ]2 ~2 R* c" ~
在此盘口下,小球的赔率为 U=(1-P3)/(P0+P1+P2)! w8 Q; B# F$ ~+ l0 d1 B
) M% H8 H$ x' i5 h7 T7 E5 \3 e# s3:大小球盘为2.5/3球(G=2.5/3)
, z5 X# S6 d6 R, f5 G& Q9 p7 ?* Z _) M' L& m! M) n/ g
在大小球盘为2.5/3球时,投注大球的回报总数额为:
& q- z8 M+ C+ H0 W" q, B8 n# |K=0 D0=0 5 C; P1 \4 W5 P) v- _ }% K
K=1 D1=0 ) H1 s: N1 B: Q2 G% @, d
K=2 D2=04 ^7 b% M0 E- r4 `
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) }* D/ W/ \# e3 g) g1 h: s: y2 W% s3 S
K=4;5;....x D4+= {Bo* O
2 N, y5 J( H& a( N3 P7 n7 }
& U) F& v# _+ O: H) c投注大球的期望回报总数为:
1 l6 G! k0 Q, A) L6 [ ∑D=P3* Bo/2 +P3* O*Bo/2+Bo* O*(∑Pn-P0-P1-P2-P3)
- [7 {; N n' Y( o5 N4 {" n8 h = P3* Bo/2 +P3* O* Bo/2+Bo* O*(1-P0-P1-P2-P3); Z M0 a" t/ Y( @; D9 }
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) e, u9 }- P+ a* H ∑D=P3* Bo/2 +P3* O* Bo/2+Bo* O*(1-P0-P1-P2-P3)=Bo. C( n$ h0 S* N% c8 @' r
P3/2+ O* P3/2+O*(1-P0-P1-P2-P3)=1) f; \; B5 J. Q/ q2 H) C e3 S0 [
O*(1-P0-P1-P2-P3+ P3/2)=1- P3/2% J! o% z0 D c- o
在此盘口下,大球的赔率为 O=(1-P3/2)/(1-P0-P1-P2-P3/2) , `, E/ d* h" F. D! y
$ x M) W9 e* d* }" M. M2 }# c p+ H在大小球盘为2.5/3球时,投注小球的回报总数额为:
8 P/ f' D% v; {7 H+ H, j# `: a7 o# eK=0 X0=Bu*U 1 L' }% t- _& W5 F6 r$ b5 B
K=1 X1=Bu*U
. v% F# p! z8 ^; a7 p/ ^- p) fK=2 X2=Bu*U
: N, ?* T8 q N! j) d* 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)* U* {2 N7 ^* X' E; n
J=4;5;....x X4+=0, L( w) t- h! i' p: }# z5 L; `* S
$ B; G# F3 r8 ^( R C0 Q8 \8 R0 N: 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/2
8 s: E, k3 a/ q' F4 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。
1 j! D3 p4 c2 | ∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2 =Bu. S3 H2 P, c3 M( L
U*(P0+P1+P2)+P3/2=1, a/ \; D# r0 l" w
在此盘口下,小球的赔率为 U=(1-P3/2)/(P0+P1+P2)$ w& l- |% N/ o+ c
3 s/ O! v/ d. x t, j$ _! l: S3 b! n
4:大小球盘为3/3.5球(G=3/3.5)- z' S. o# I0 }* Z
7 O8 }; G+ m2 h) o z8 F9 @/ [ c. F
在大小球盘为3/3.5球时,投注大球的回报总数额为:
! d* I6 h. I2 sK=0 D0=0 # t9 u Q0 d* l
K=1 D1=0
( g j4 I9 d7 d" g$ X, AK=2 D2=0
. s2 {1 f0 M( C8 BK=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)
$ W; H" X" C c. M" G2 @. wK=4;5;....x D4+= {Bo* O 0 q7 F: O# {0 Q4 z
7 e& X- ]0 o& J; g
投注大球的期望回报总数为: m9 E$ J& p0 B* T% |% [
∑D=P3* Bo/2 + Bo* O*(∑Pn-P0-P1-P2-P3)/ |! a( Q) X) @$ |/ D7 z# q" l' D, [4 v
= P3* Bo/2 + Bo* O*(1-P0-P1-P2-P3)
* e1 o9 x" t# b9 M, t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 R/ q8 {9 g6 z8 ^ ∑D=P3* Bo/2 + Bo* O*(1-P0-P1-P2-P3)=Bo& S7 v, n4 ^3 \, {& ^* b ~
P3/2+ O*(1-P0-P1-P2-P3)=1# f" O1 v4 p# B# C8 D6 `! X
O*(1-P0-P1-P2-P3)=1- P3/25 Z, _7 o' W, U
在此盘口下,大球的赔率为 O=(1-P3/2)/(1-P0-P1-P2-P3)
* W9 o/ y" J. e% s, \ 或者表述为 O=(1-P3/2)/∑Pn----------(这里n=4;5;……x)
+ k( Z* c2 d! m( T# m a, Y5 S7 ]5 l. t
. [3 e* I$ Y: p5 H在大小球盘为3/3.5球时,投注小球的回报总数额为:
- X# N/ a, a; C" e) GK=0 X0=Bu*U 8 y; y0 w! u8 ~3 S! f0 O- A9 h
K=1 X1=Bu*U
9 ?4 P' S2 u( S7 E9 ]" h7 wK=2 X2=Bu*U
- ?# q% V" U" x3 T9 BK=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)
% Y4 V# ~' N3 X9 g6 N3 f, `J=4;5;....x X4+=0
% y/ j% j M3 O0 y4 R ~, x' ^% ~2 J5 f) o
投注小球的期望回报总数为:
" T. F9 ]& m$ O3 S3 m: i ∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2+ P3*U* Bu/29 l1 | O$ g; w G! k" 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。
6 g# q, R! g/ ^! m* x ∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2+ P3*U* Bu/2 =Bu
( G/ n. k! D9 | t- x U*(P0+P1+P2+ P3/2)+P3/2=15 a" s8 W1 |/ I. Z
在此盘口下,小球的赔率为 U=(1-P3/2)/(P0+P1+P2+P3/2)
" [; g" d O: w# O# g
: z/ y2 V- `# C/ q8 A A$ X
4 q3 \$ _* S' T) F! w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.
; \$ g: l* T% A" u7 q. y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!1 T; P) I% R! Q( q
3 E/ C; w0 h A! y' N6 G
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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