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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。
( o( c, I. a' W0 I我们先引入下列符号:
. @# _5 ^ }% iPn(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。 U# x: p/ v, X/ _$ ?
即:P0=全场进0球的概率;P1=全场进1球的概率;……。
( D& | R2 H! Y/ c; V那么 ∑Pn=P0+P1+P2+……+Px=100%。3 ~1 k" a/ e4 d; o% U& 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。5 v1 I" G2 w& z% s1 t( P5 d
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 } T+ i0 F9 V0 _! n7 G* Z2 X7 a2 @4 j
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。
, a9 m5 ]9 S0 V& F2 o/ m在任意盘口G下,全场比赛会出现如下3个结果:8 X* ]# d" f" U! M
1:K>G 即出现我们通常所说的大球。0 S# Q, ?8 A$ t W- ]6 H
2:K=G 即出现我们通常所说的走盘。, _8 `* y j' v7 s9 P' {( P
3:K<G 即出现我们通常所说的小球。- r6 `" n+ y5 U& O: b
. O' f3 V2 c/ g P
那么在此盘口下投注大球的回报总数额为:# w4 I/ ^5 r9 K! \, o
D1:(K>G)={Bo* O 即赢盘获得与此盘口相对应赔率的回报。
6 C5 @ s) ^. p& A! [D2:(K=G)={Bo 即走盘退回本金。
( Y* P+ C* C2 C. q" A7 MD3:(K<G)={0 即输盘失去本金。/ {& ?( d5 Y+ P' }7 B
: ^! i5 C5 H: c0 P7 }4 N/ c
同理在此盘口下投注小球的回报总数额为:
$ p. r& b" r% _: t# t6 ~" _: C: LX1:(K>G)={0 即输盘失去本金。% M& R! X% u! z2 ~7 Y/ ]
X2:(K=G)={Bu 即走盘退回本金。! X) k6 Z: H9 y! k% E' _9 N Z
X3:(K<G)={Bu*U 即赢盘获得与此盘口相对应赔率的回报。! D+ m' e8 Y/ }, @' Q4 `( {$ g
2 H' x/ g$ Z3 D
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。
* M* L2 V+ A# l! V, C! { }8 X" L& l% S4 V
1:大小球盘为2.5球(G=2.5)$ n% e0 l& g7 O) J/ x
2 [1 ?8 P6 m: H5 `6 M; a3 g5 e2 K0 c! X
在大小球盘为2.5球时,投注大球的回报总数额为:
8 }0 p$ _3 k# m% \1 k3 V& gK=0 D0=0 : P" _$ K" j1 E2 F& h
K=1 D1=0
# V! w0 R. z4 y' sK=2 D2=0
$ z& B' W% B4 t% r# G# x# V1 cK=3;4;....x D3+= {Bo* O
|3 u7 l, v) x; q/ b
+ r# ^/ Y3 e9 R* P2 R0 c2 {1 t! e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)0 u4 v. Y# g6 g! X 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。" [. h. d. M: ?1 a/ c
∑D=Bo* O*(1-P0-P1-P2)=Bo
, I8 W4 q m9 @2 D0 n O*(1-P0-P1-P2)=12 [7 I/ V E% E7 t
在此盘口下,大球的赔率为 O=1/(1-P0-P1-P2)
* C9 e B% E# R; m1 N7 a 或者表述为 O=1/∑Pn----------(这里n=3;4;……x)* y9 W! |; n* \: g- X8 j* m; S' l! e) T" e
2 n* m, R f7 }* r+ n在大小球盘为2.5球时,投注小球的回报总数额为:# p4 Q( e" ~) M: q% R, l8 Z% i
K=0 X0=Bu*U " S% G0 B4 o0 w9 C3 v! l0 ^
K=1 X1=Bu*U
" Z6 f: `2 i. lK=2 X2=Bu*U 9 u4 A9 p6 G( M% b6 \
K=3;4;....x X3+=02 x: N' p' H/ j+ M- G9 Z3 z
' ^" I1 ]" g. y1 C4 x
投注小球的期望回报总数为:∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U# B; a2 w. ]1 F, O5 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。$ M C# w5 @. e& ]
∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U=Bu& U( X9 }7 B' d7 u: A
U*(P0+P1+P2)=1
+ `! A: I5 ~2 W q. {6 E 在此盘口下,小球的赔率为 U=1/(P0+P1+P2)
3 s. u# v) I6 p s4 h
9 P* J, P6 G u2:大小球盘为3球(G=3)
5 @' i: d& q0 p# J: x5 K& ?! Y: N( n. F
在大小球盘为3球时,投注大球的回报总数额为:) S% r: ` ^# i1 Y7 E, \( f; Y2 q
K=0 D0=0 4 T; W$ U/ t7 l/ Z6 k
K=1 D1=0
% h: h: R0 ?2 K- G3 J% wK=2 D2=0
6 J" i0 ~% m1 ?K=3; D3= Bo! ~: u" f( O1 l& ^; W
K=4;5;....x D4+= {Bo* O
6 c7 E* i( F: S& j: n( v$ G- z6 o% h/ E2 w$ q- D/ K
投注大球的期望回报总数为:
) O5 E u7 y$ u9 j6 N6 p' _& }∑D=P3* Bo +Bo* O*(∑Pn-P0-P1-P2-P3)= P3* Bo +Bo* O*(1-P0-P1-P2-P3)' O) {0 _ r* t7 d5 t: }/ 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。
1 u' l$ x' V9 L0 M" Q! `7 ` ∑D=P3* Bo +Bo* O*(1-P0-P1-P2-P3)=Bo/ v2 q( g- `% j
P3+ O*(1-P0-P1-P2-P3)=13 K, ~* y4 p7 ^" Q
在此盘口下,大球的赔率为 O=(1-P3)/(1-P0-P1-P2-P3)0 V8 b9 R3 f5 c; W& ]- \* q5 c1 i
或者表述为 O=(1-P3)/∑Pn----------(这里n=4;5;……x)8 E/ {; c- K8 C7 x D
, ?: N2 S8 y" v- m7 [+ T) W- w5 j- F
在大小球盘为3球时,投注小球的回报总数额为:+ ^5 G: q: f J0 ?6 D, i6 H
K=0 X0=Bu*U 2 s8 k5 b- k% C1 s3 P% A6 F
K=1 X1=Bu*U
. y9 l, v) H6 x5 P& `) K: GK=2 X2=Bu*U
t3 {3 f! Q8 K) D! O! ]K=3 X3= Bu
& H- j; `- \- {% A6 j3 B5 S+ LJ=4;5;....x X4+=01 c" j7 x& z7 T; n( b) j0 n
) X- Z1 H' y; F' F投注小球的期望回报总数为:∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu
, Q# O- M! B5 a( O8 a& y4 p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 @3 n3 I1 I6 V ∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu =Bu4 r# F$ r+ M- K# M
U*(P0+P1+P2)+P3=1
% O" f* j% i# X$ G; O5 i5 h 在此盘口下,小球的赔率为 U=(1-P3)/(P0+P1+P2)6 w" p# |- `( O0 U( _% K
6 D- E% B; [ Z3:大小球盘为2.5/3球(G=2.5/3)
5 |& |4 j6 M; P# `$ [
- ]9 k2 D, Q8 H" A6 f( ^在大小球盘为2.5/3球时,投注大球的回报总数额为:
$ \+ b# F0 N; i# D7 k, G/ aK=0 D0=0 - v2 R8 C8 R/ ^8 e
K=1 D1=0 9 x- A: h% u* L' c. E8 f* Y$ C
K=2 D2=0
2 }- a$ `5 B( J, `% K; i2 G, SK=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)
8 i1 v( n* [- w4 dK=4;5;....x D4+= {Bo* O
# w+ j* q' N, P0 u {* }. s2 _) ?* D+ a' R4 c( o% [+ T( F. r/ ~5 `) H4 W
投注大球的期望回报总数为:7 v- o! h) s5 t4 ~, ~! }
∑D=P3* Bo/2 +P3* O*Bo/2+Bo* O*(∑Pn-P0-P1-P2-P3)
) g, f* D! F2 r$ }# }- B7 r = P3* Bo/2 +P3* O* Bo/2+Bo* O*(1-P0-P1-P2-P3)
5 [0 e! W# X* t5 i2 P4 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。- u* ]! r5 g* O0 _, I
∑D=P3* Bo/2 +P3* O* Bo/2+Bo* O*(1-P0-P1-P2-P3)=Bo
9 V/ ?- n% D0 v/ ]2 R) y+ z+ ~ P3/2+ O* P3/2+O*(1-P0-P1-P2-P3)=1
8 d. Q8 U+ p4 \( { O*(1-P0-P1-P2-P3+ P3/2)=1- P3/25 p- v: }3 s; U# ^2 ?( W- E
在此盘口下,大球的赔率为 O=(1-P3/2)/(1-P0-P1-P2-P3/2)
0 G- D( r& b$ O) b) B1 g. O
H) y2 \& r2 ^) K* |( v- C8 t2 C8 W在大小球盘为2.5/3球时,投注小球的回报总数额为:, d9 t* A6 x7 }( E- e5 s0 N
K=0 X0=Bu*U % n' ^; p" y" I7 R
K=1 X1=Bu*U
5 r0 t- \8 O% o! _" c: v6 \K=2 X2=Bu*U
" w2 l9 g$ I2 X! Z4 dK=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)! h* d/ S5 j. i D7 N
J=4;5;....x X4+=0
) ]4 M7 ~7 O+ C% j+ F& S# A% P) W' H3 X
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 ]1 T6 K9 Y! W! P9 j+ b6 F: 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 o2 B+ r( y" L( Q. n o | ∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2 =Bu( _6 ~! b" E2 E. C" C9 O% q
U*(P0+P1+P2)+P3/2=17 w9 \$ }2 r9 q3 g E
在此盘口下,小球的赔率为 U=(1-P3/2)/(P0+P1+P2)
; D! D4 A4 G6 h4 K2 Y2 r7 v) h1 C2 D+ ~' P1 Q
4:大小球盘为3/3.5球(G=3/3.5)
: L" v3 n+ V) t5 e" z1 ^3 r8 ^ y- L! W* j1 x! V
在大小球盘为3/3.5球时,投注大球的回报总数额为:% r+ i$ [5 P9 Y7 Z1 Q6 y' |
K=0 D0=0
& T2 d3 S, A+ X* t/ S$ S4 ]K=1 D1=0
2 B* K: E3 k' i. ^1 D$ ?4 xK=2 D2=0
( S$ v; S4 V* j$ c. aK=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)
7 ?& t( G* J) F9 X) J4 zK=4;5;....x D4+= {Bo* O ! c4 D+ C# y- A' x! a+ ~8 N+ z
_% k5 l( L1 D" ]: d, ~投注大球的期望回报总数为:
5 q e% l" W3 Q0 ?" Y4 z% U ∑D=P3* Bo/2 + Bo* O*(∑Pn-P0-P1-P2-P3)) K- T7 U8 Q" w; ?- r1 ^+ K; I I
= P3* Bo/2 + Bo* O*(1-P0-P1-P2-P3)) G' I5 A0 g3 @ 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。* t# X5 n' d5 o. e+ ^6 A
∑D=P3* Bo/2 + Bo* O*(1-P0-P1-P2-P3)=Bo
8 M2 Z/ }5 f* F P3/2+ O*(1-P0-P1-P2-P3)=1
* D; Q% x+ c' s O*(1-P0-P1-P2-P3)=1- P3/24 A/ J" [$ C2 O( \
在此盘口下,大球的赔率为 O=(1-P3/2)/(1-P0-P1-P2-P3)
2 [6 n4 O5 x) n: ^+ P 或者表述为 O=(1-P3/2)/∑Pn----------(这里n=4;5;……x)& e' ]9 z* Q% `% I0 e2 q
2 X' ?8 B' Y# b. h# i3 W9 O
在大小球盘为3/3.5球时,投注小球的回报总数额为:, Y/ H2 X2 ]: {2 U5 o* [
K=0 X0=Bu*U : w; u4 D! W T4 O* U
K=1 X1=Bu*U
! H- E% [3 f" v, j" O' \ J6 MK=2 X2=Bu*U 0 ~0 T: M; q: O8 r
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)
$ W" i- H5 P; d. SJ=4;5;....x X4+=0
: b/ j' E9 Y: Z9 l0 @# H, }; _9 W. B* E& V. `4 d- X( f8 j) n
投注小球的期望回报总数为:
: ]+ z1 x2 S# K ∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2+ P3*U* Bu/2+ o2 O( w2 M2 `- e! E+ S5 D- 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。3 m$ J, z( _: ~4 D, i4 _" C
∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2+ P3*U* Bu/2 =Bu
. N) h x5 a5 z9 S; T& e7 [, E U*(P0+P1+P2+ P3/2)+P3/2=1
( C+ n4 m2 d4 r. T0 L 在此盘口下,小球的赔率为 U=(1-P3/2)/(P0+P1+P2+P3/2)
) n) L9 }, N4 W' K( o7 O b/ N* i O* R. J2 r9 F c6 [2 e
& W2 Z: s. m ~# _4 n: s
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.( R+ r6 M9 [' q( {% D' z6 x' 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!
8 k" h3 N# I" }0 q$ w: S7 J' N# O( P) w/ V$ a) n' N* M s
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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