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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。
a! G w1 d+ w我们先引入下列符号:
/ b" m1 @) B# M- ePn(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。% K+ \1 `+ ]% p6 \6 j& V1 t7 w
即:P0=全场进0球的概率;P1=全场进1球的概率;……。 x* x2 |- V+ ^5 [) ^& D) V! d
那么 ∑Pn=P0+P1+P2+……+Px=100%。+ t0 t3 x+ y& z- t
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。' n0 B+ } v: D( V$ e1 X+ ^6 k
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 |7 x. v) ~5 M, d# q' b* Q
4 g5 [, H$ h) G- o" R$ E
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。7 V( r' v1 L1 x6 z+ Z
在任意盘口G下,全场比赛会出现如下3个结果:
) f$ F2 o. `0 @& I- p% X1:K>G 即出现我们通常所说的大球。# q" H" O; g$ w) Y* l6 b; [; E! I. X
2:K=G 即出现我们通常所说的走盘。7 R7 r8 z; U( y y
3:K<G 即出现我们通常所说的小球。
" j, ]2 w2 W% b, Q4 z* s+ i$ N' C4 J6 Z( k2 X# n( M7 i& ~
那么在此盘口下投注大球的回报总数额为:# q; ?/ A0 v4 G# r
D1:(K>G)={Bo* O 即赢盘获得与此盘口相对应赔率的回报。
7 y& \5 T9 f) B+ ZD2:(K=G)={Bo 即走盘退回本金。* ^& b* S% T9 o! E* Z
D3:(K<G)={0 即输盘失去本金。6 R" {. g, V% }% Y! o& A3 M0 }
. |- E: V# X+ Q+ [$ D |5 |1 `6 f
同理在此盘口下投注小球的回报总数额为:
; Q7 G( F5 A4 ]8 r, G8 zX1:(K>G)={0 即输盘失去本金。0 k- v; S- M" a' Q+ m& ^
X2:(K=G)={Bu 即走盘退回本金。
1 }, G. J$ ?2 k! A# p& L% rX3:(K<G)={Bu*U 即赢盘获得与此盘口相对应赔率的回报。& g* x4 C9 O: x" i" J0 e, X" X, g
3 z/ v; k/ X# 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。
4 v% p3 y! ?; S8 S9 }& J" |) J5 l0 D2 d* x8 f5 B; s
1:大小球盘为2.5球(G=2.5)8 o J6 H/ ?/ L" E# L
/ X0 r* A9 K$ Z+ }& h在大小球盘为2.5球时,投注大球的回报总数额为:
/ i7 n4 J5 g# B3 s! m7 k" d0 a/ ?K=0 D0=0 , q7 {) B1 L( x k g
K=1 D1=0
- v5 W5 e; L% `" J% `4 \) iK=2 D2=09 S& {+ T: [7 g; L. h( f+ i0 Z( q7 ~
K=3;4;....x D3+= {Bo* O 1 o5 a' X8 ]( I# @& j' ^; M
' X7 A% v' h2 {# T% B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)
( |9 c) t P* L, 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。6 Z2 {, f' H6 h
∑D=Bo* O*(1-P0-P1-P2)=Bo+ l6 ^. S. A4 R: y
O*(1-P0-P1-P2)=1* V- O1 a5 x' \/ f# P9 W
在此盘口下,大球的赔率为 O=1/(1-P0-P1-P2)
& Y9 G. W: F; D& E+ s) w7 z- A" ?" v 或者表述为 O=1/∑Pn----------(这里n=3;4;……x)
) s/ U# H* a* k5 z0 Y- c/ i7 a. _. H# w3 D) C
在大小球盘为2.5球时,投注小球的回报总数额为:
# d* V+ t5 \' I9 D \$ e9 uK=0 X0=Bu*U ' ?3 B2 s0 j* [( I& g g& J2 j6 x
K=1 X1=Bu*U
5 s/ G- W- D( @7 d; D# GK=2 X2=Bu*U * r8 U& ^" U' ]4 J
K=3;4;....x X3+=0; O0 A) Q, {. n
8 e( ]3 \0 y @( I5 S
投注小球的期望回报总数为:∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U. G5 ~* \1 B% `4 s# B; }% m9 q0 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。% z7 L! t+ I) M3 ]: t8 I- Y7 ~) J0 E. ]
∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U=Bu6 X% w" [4 }; \
U*(P0+P1+P2)=1
" u* l1 U7 V! q, }( i* W 在此盘口下,小球的赔率为 U=1/(P0+P1+P2)3 s' _, f- V; t) \# ?2 M
* z0 i) m& V0 \. r
2:大小球盘为3球(G=3)- _% ^8 o9 Y+ x& r- D2 R
$ I0 B/ R Y2 N) m1 X在大小球盘为3球时,投注大球的回报总数额为:4 E+ [( n6 w. N1 H R5 v
K=0 D0=0
, _" `, f) {5 D. R$ FK=1 D1=0
. n$ B( ]5 w/ Z( o4 z: i" s# ?K=2 D2=0/ ~: |4 I& c/ i' m$ Q& h
K=3; D3= Bo* [, Z% i* N0 n8 E6 a! W4 n' D
K=4;5;....x D4+= {Bo* O 1 V. a4 G0 v/ I7 V' B
: E9 j+ z* {8 y
投注大球的期望回报总数为:6 s0 E" L7 Q. q8 K) s% e T0 z
∑D=P3* Bo +Bo* O*(∑Pn-P0-P1-P2-P3)= P3* Bo +Bo* O*(1-P0-P1-P2-P3)5 E& D; \: |: t& n/ R3 J 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。
( o; G6 H. H4 e2 t! f7 X Y ∑D=P3* Bo +Bo* O*(1-P0-P1-P2-P3)=Bo
( q2 `7 p. s4 B% ~# C( c, V# e P3+ O*(1-P0-P1-P2-P3)=1( F: G5 Y+ {. f( Y+ |$ G) z& `
在此盘口下,大球的赔率为 O=(1-P3)/(1-P0-P1-P2-P3)9 A8 z" O: l2 m2 T% O
或者表述为 O=(1-P3)/∑Pn----------(这里n=4;5;……x)
0 J1 e/ N0 }3 g0 Q7 a$ c2 `3 y( p1 w! x' T, A# f5 f5 P
在大小球盘为3球时,投注小球的回报总数额为:
* Z: g2 P+ G9 O/ C+ D6 YK=0 X0=Bu*U
6 }1 G1 c* n8 h* o V; HK=1 X1=Bu*U
6 n! `. g# o4 C, Q4 [7 o7 iK=2 X2=Bu*U
; d- v% E9 R* AK=3 X3= Bu
2 y9 q: Q0 k7 j% x3 ^J=4;5;....x X4+=0
! m5 G/ n/ q9 C
4 K' W" m% |' o( \* \3 ?6 f1 ]投注小球的期望回报总数为:∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu
) F* p5 t& \5 T( o* m2 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。
$ ~* \( u. A" X* \. Z; @ ∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu =Bu/ \ W8 c1 b) o0 \( u
U*(P0+P1+P2)+P3=1
3 n) K% ?! `9 L/ E: p 在此盘口下,小球的赔率为 U=(1-P3)/(P0+P1+P2)! f7 |" ~3 o& a$ k# m: T2 A8 K
# {4 l/ v/ p. I' Q) [3:大小球盘为2.5/3球(G=2.5/3)( S6 V5 q9 }7 `
4 a& x7 ?( Z6 n, @) I8 i
在大小球盘为2.5/3球时,投注大球的回报总数额为:
" ~3 O0 a& H' N) uK=0 D0=0
3 J' J9 l* B/ m! X/ UK=1 D1=0
: U, u2 `# H4 ^K=2 D2=0
, m7 d$ ?) B% e6 {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)3 Q; X2 `" o z8 N
K=4;5;....x D4+= {Bo* O 8 z/ |4 I- C& M
8 ?/ M3 W* A& Y6 q2 _& v* j投注大球的期望回报总数为:
: O8 c% f% g8 U9 H) K ∑D=P3* Bo/2 +P3* O*Bo/2+Bo* O*(∑Pn-P0-P1-P2-P3)
- I$ N/ }' F8 q! ^1 M. T = P3* Bo/2 +P3* O* Bo/2+Bo* O*(1-P0-P1-P2-P3)
. N8 m& m- u5 ^* 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。6 c9 P5 W, Z- Y/ @/ B* H6 G, I' ^
∑D=P3* Bo/2 +P3* O* Bo/2+Bo* O*(1-P0-P1-P2-P3)=Bo3 e: s! M! }7 V
P3/2+ O* P3/2+O*(1-P0-P1-P2-P3)=1! a8 ^/ m3 J7 b& Z( Y& N
O*(1-P0-P1-P2-P3+ P3/2)=1- P3/28 `6 }! }- l" Q8 `/ h+ a% @
在此盘口下,大球的赔率为 O=(1-P3/2)/(1-P0-P1-P2-P3/2)
: k% {. b }0 j
" j7 N, A) Q7 P& N, s在大小球盘为2.5/3球时,投注小球的回报总数额为:
" X$ j5 L/ p: A* X1 i. Y9 K5 pK=0 X0=Bu*U , q. n, R( h/ G: s
K=1 X1=Bu*U ' x+ a, }8 n* n; a7 j+ h
K=2 X2=Bu*U
0 k% v- d p2 ~3 @) j# [- d/ U9 iK=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)# w( O- C1 _' L& L3 H, B0 ^
J=4;5;....x X4+=0
4 {$ y8 V, u( j; R$ c& }2 z( t% j* r$ e) a2 r, b, @
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
$ H( Y8 X: i) u' Y' o$ 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 B1 m! W. g Z% N; T4 s
∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2 =Bu
5 g; G/ }$ J- P k U*(P0+P1+P2)+P3/2=1
S* ^/ V) Z1 k* D9 P% z 在此盘口下,小球的赔率为 U=(1-P3/2)/(P0+P1+P2)4 W3 @3 X7 i: @( a7 u
Y7 g: E& `1 O! v9 U1 U4:大小球盘为3/3.5球(G=3/3.5)
# n0 F/ `/ r e/ P9 ]
) Z0 K1 L6 F3 c( o- {4 t3 Z在大小球盘为3/3.5球时,投注大球的回报总数额为:
$ U/ q" z0 v3 k! O9 `+ FK=0 D0=0 ) H" i, r+ J! d* g' ^+ T
K=1 D1=0 1 _! C% T# B! F5 }' d5 a
K=2 D2=00 H! y# O+ B& N9 R" V
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)
9 k2 S8 }1 `, }/ y" A# qK=4;5;....x D4+= {Bo* O ; O, }) B/ }' y4 k, q0 u9 `4 k
. {' t0 j( u4 X0 p
投注大球的期望回报总数为:
5 H( V8 S" O' d S' ] ∑D=P3* Bo/2 + Bo* O*(∑Pn-P0-P1-P2-P3)2 G K% v b& j
= P3* Bo/2 + Bo* O*(1-P0-P1-P2-P3)% _' Z F: w2 w% i; 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。' K$ Q8 e' H5 m
∑D=P3* Bo/2 + Bo* O*(1-P0-P1-P2-P3)=Bo
7 j, Y" n$ r4 W: w7 ^9 ~5 ~ P3/2+ O*(1-P0-P1-P2-P3)=1# l% D/ r. W. [- E
O*(1-P0-P1-P2-P3)=1- P3/2. C+ A6 `2 y! c) ^3 I6 R. S
在此盘口下,大球的赔率为 O=(1-P3/2)/(1-P0-P1-P2-P3)0 Z x' f' H W; Z
或者表述为 O=(1-P3/2)/∑Pn----------(这里n=4;5;……x). h* v& s. u4 {+ N; D) h( x
0 F% D7 U) S5 U; L7 V& U
在大小球盘为3/3.5球时,投注小球的回报总数额为:
3 d1 v( c @, E# u6 B* EK=0 X0=Bu*U
% z0 e8 G: z2 F+ u/ f1 l5 |3 O/ XK=1 X1=Bu*U ; T7 w, c* u! ?5 A; R* ^4 L9 S( q9 ?
K=2 X2=Bu*U
( {& C7 I" N& ^4 b0 T/ [+ iK=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)9 s- Y3 q' j6 q o6 Z. p% U1 i% m
J=4;5;....x X4+=0
/ e/ T$ B e+ ^- w3 }4 k! E- g: @$ j" k7 Y
投注小球的期望回报总数为:
& f# Y) X0 G- e5 x6 [ ∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2+ P3*U* Bu/2/ g5 b3 }3 Y- f+ {. 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。
. {7 X/ z7 J& a# S9 m& @+ R7 B ∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2+ P3*U* Bu/2 =Bu+ O. B/ u+ p. h4 G' Z
U*(P0+P1+P2+ P3/2)+P3/2=1! l+ B7 X9 G6 g5 e' I1 k
在此盘口下,小球的赔率为 U=(1-P3/2)/(P0+P1+P2+P3/2)
% ]8 Z1 F( C% h! M( [- `$ U: Z. T d
8 t0 b4 V5 r3 Z+ Y/ I- k t
& m9 v6 B J. K7 D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.
& z* ~' h/ e$ @2 B" u( 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!
: P, A! L- o/ W( p" q
$ y W! P" Y9 ]' y: C4 bP0 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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