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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。
( ]8 q' V; o* w0 s5 ^6 _( l' d我们先引入下列符号:& P( O& R2 ~) L
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。% U: l: N; l/ m
即:P0=全场进0球的概率;P1=全场进1球的概率;……。
5 w' W+ ]! s, U: {那么 ∑Pn=P0+P1+P2+……+Px=100%。" G$ o1 g$ j& G
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; O- v' }% k2 _+ K- U
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。7 i6 a: b& Z. M9 U, e! c. `0 z
3 m. t& r0 n* B7 q$ L8 @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。
. V$ i# {" F; U: j$ y% M' E6 e在任意盘口G下,全场比赛会出现如下3个结果:1 o6 W2 W& \( K; x( o. u: _. r
1:K>G 即出现我们通常所说的大球。7 f1 z) c7 Z8 y8 u$ O$ E
2:K=G 即出现我们通常所说的走盘。$ \, v+ d" w7 e/ J3 {, }! ?
3:K<G 即出现我们通常所说的小球。
# M; u6 d1 R$ O8 C$ H! F# L% u
0 d0 |9 `6 S( ]7 V那么在此盘口下投注大球的回报总数额为:" O8 b. V, t2 @
D1:(K>G)={Bo* O 即赢盘获得与此盘口相对应赔率的回报。
2 t8 d: R% m7 M1 G' {; q0 G# MD2:(K=G)={Bo 即走盘退回本金。" U8 M7 H+ H/ V" d
D3:(K<G)={0 即输盘失去本金。
# @4 Z4 K$ N1 }7 M& M' w! |5 ?6 |! x6 B2 i) h3 w
同理在此盘口下投注小球的回报总数额为:! n) H6 b1 S/ G4 l* Q
X1:(K>G)={0 即输盘失去本金。
& P* g3 {7 M, M) dX2:(K=G)={Bu 即走盘退回本金。. u. I7 s* ?7 W% I e5 f
X3:(K<G)={Bu*U 即赢盘获得与此盘口相对应赔率的回报。9 ~' Q, T+ t1 V7 F
" Z; S; c: c$ J' h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。- o; V% c# w$ Q, l- j: L
) r) }) F! b4 f# n2 U1:大小球盘为2.5球(G=2.5)% _+ m! L; K1 U$ |: T' g" _ T) w
' f# E2 O6 w. t4 j在大小球盘为2.5球时,投注大球的回报总数额为:
3 P1 E3 S$ \; _0 m) G: X% VK=0 D0=0 6 }7 A! Z# I/ C$ ]5 O) j2 ?
K=1 D1=0 3 G4 t% Q8 M! k/ [
K=2 D2=0. Y2 s$ V8 p! k1 f S; y! o, U
K=3;4;....x D3+= {Bo* O
3 m! Y: B R2 M3 E5 f# B* G' B: ^; r) 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)
" j3 u- H# G2 y5 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。
6 f) {/ i( n; R" B9 R1 | ∑D=Bo* O*(1-P0-P1-P2)=Bo+ L. `" E9 q4 W8 d3 `' J- c
O*(1-P0-P1-P2)=1
/ K0 V9 ` g: d% o6 Z5 L 在此盘口下,大球的赔率为 O=1/(1-P0-P1-P2)
7 Y6 V4 p6 t2 f% c! C 或者表述为 O=1/∑Pn----------(这里n=3;4;……x)& S$ Q4 w- u# I h4 J1 j4 o
- ]9 {! O9 q# i( W/ W在大小球盘为2.5球时,投注小球的回报总数额为:
* p) b3 C9 P+ b( I5 {+ UK=0 X0=Bu*U ! G6 a+ E) `6 d0 i8 N1 a5 d+ G
K=1 X1=Bu*U
: K6 m! _$ \! b# \9 J9 m/ KK=2 X2=Bu*U + q5 s8 ]% P4 p2 t1 @( E: y
K=3;4;....x X3+=0
) |2 s0 i! ^- I9 |
, Y& H6 s; X* N/ R) l; U投注小球的期望回报总数为:∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U4 d, s; x+ G" Y1 s8 R
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。
d* H! A) |0 p# U8 \+ u ∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U=Bu
G0 C* w% r2 l/ b: _ U*(P0+P1+P2)=1
' u# O' n1 s$ C1 t( ]6 Q 在此盘口下,小球的赔率为 U=1/(P0+P1+P2)
- K2 u8 D! f/ ?% p0 ]6 l h, ?# W
: ]& F5 n7 Q `2:大小球盘为3球(G=3): e* k& T, C, T( c3 t3 ~: D+ \
4 ]1 _: o% w% P" T% Z9 f在大小球盘为3球时,投注大球的回报总数额为:
' @0 k" w9 _$ VK=0 D0=0 . L' B+ c. w+ e* h& y# c1 X
K=1 D1=0 # R7 Q/ y. o, {
K=2 D2=0) @* C4 H/ M0 T C o8 Y' s
K=3; D3= Bo, z! E2 j5 f% f0 K7 C
K=4;5;....x D4+= {Bo* O
3 M9 R$ A$ Z* W; w! d# p( _7 l9 D) h& |/ {& r% {' \' v0 `
投注大球的期望回报总数为:. }8 d$ h$ r3 J1 F! \, B7 e
∑D=P3* Bo +Bo* O*(∑Pn-P0-P1-P2-P3)= P3* Bo +Bo* O*(1-P0-P1-P2-P3)' N" R* P: n( u$ H) 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。
5 ^0 d- U$ l# T, }' Q" K+ y ∑D=P3* Bo +Bo* O*(1-P0-P1-P2-P3)=Bo( a8 L: y' ~6 A* C. s' t% W
P3+ O*(1-P0-P1-P2-P3)=1
; e9 R3 J5 K; ^/ s# B' N 在此盘口下,大球的赔率为 O=(1-P3)/(1-P0-P1-P2-P3)
" P2 o/ \% [7 h 或者表述为 O=(1-P3)/∑Pn----------(这里n=4;5;……x)
5 u' \" |. d( t* v: H; V
- c6 P8 p6 D" D+ L在大小球盘为3球时,投注小球的回报总数额为: c' B \! c" O5 o
K=0 X0=Bu*U
& }# Z+ Q9 g" [$ B/ IK=1 X1=Bu*U
! S! R7 F7 J+ L) p( M- JK=2 X2=Bu*U
( T: [6 f' I& S iK=3 X3= Bu# D/ p' y% Q1 M7 e! A9 x$ f
J=4;5;....x X4+=0
5 |0 z3 W2 x |% I9 k. `; U
% J" a9 x# y) R4 X投注小球的期望回报总数为:∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu8 G- X4 `$ i. K o7 J4 k1 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。
# B' S6 W! j: H I+ J ∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu =Bu
! o% b5 a0 r- k& ?( U; h/ } U*(P0+P1+P2)+P3=1
0 d! t4 S( ]6 f# u. J9 [/ n 在此盘口下,小球的赔率为 U=(1-P3)/(P0+P1+P2)3 e! X% D( A3 g# ^4 p) O
" ^8 d$ ]9 Y2 X0 t' G8 T# J
3:大小球盘为2.5/3球(G=2.5/3)
+ Z1 Z% C* D' e7 ^, `; j
/ w! R9 c! _* E在大小球盘为2.5/3球时,投注大球的回报总数额为:
M0 t2 f& S7 ^7 M, ]& l, N" d$ sK=0 D0=0 ?7 W$ M3 K6 @$ `& g
K=1 D1=0 " Y4 e7 w- t/ ^+ N+ y$ @5 m
K=2 D2=0! K7 h& F- ]3 O G$ i
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)( t) b9 h# d8 f) H# P* F
K=4;5;....x D4+= {Bo* O
7 ?5 ~& n4 V5 b5 }. d
8 _0 b# O: ]- R- S; w投注大球的期望回报总数为:
6 a+ y! |: K" p7 H& C2 N) h ∑D=P3* Bo/2 +P3* O*Bo/2+Bo* O*(∑Pn-P0-P1-P2-P3) T4 w. ~5 S2 C( E2 H6 O2 t
= P3* Bo/2 +P3* O* Bo/2+Bo* O*(1-P0-P1-P2-P3)- f9 X' ]: F# q9 E, 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。3 ]4 c. a r2 J2 T& O H" j
∑D=P3* Bo/2 +P3* O* Bo/2+Bo* O*(1-P0-P1-P2-P3)=Bo# D) W7 L, N9 ~# ~. k
P3/2+ O* P3/2+O*(1-P0-P1-P2-P3)=12 Z) X* l' _; m% @! m* T' s
O*(1-P0-P1-P2-P3+ P3/2)=1- P3/26 p8 I% Y) Z/ Q( D$ H8 r* M+ A, I
在此盘口下,大球的赔率为 O=(1-P3/2)/(1-P0-P1-P2-P3/2)
$ t* R* F L, ~+ A& s
) A! D8 ]" I' |5 i! ?5 [在大小球盘为2.5/3球时,投注小球的回报总数额为:
& \ ]1 |/ s9 C, o, W; D8 |, PK=0 X0=Bu*U
1 H, B$ f5 }3 pK=1 X1=Bu*U ( z) y$ h( p$ ?3 { t( v
K=2 X2=Bu*U
$ ?! C# }: H9 ~9 \/ l/ `. q- qK=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)
" I- Z0 d! l7 p/ z# @: J3 D: W3 jJ=4;5;....x X4+=0: U: ~5 I- K/ W' ~
$ `" Z, T4 x: Y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. U( r9 ^4 ^" F1 [: H2 ]2 D! 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。+ m3 W/ J- l& z6 U: Z j) O& h5 F0 P
∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2 =Bu
. Q0 J7 J3 L$ l U*(P0+P1+P2)+P3/2=1
6 H4 I' p' a3 Y: l( p7 x 在此盘口下,小球的赔率为 U=(1-P3/2)/(P0+P1+P2): {$ z: L t0 f1 ~- [) p! D
# M) M: i& f& e( ?3 r1 [
4:大小球盘为3/3.5球(G=3/3.5)
7 |( S% D' |7 d9 ~- A1 o/ h k0 @* i% v- x
在大小球盘为3/3.5球时,投注大球的回报总数额为:
~, q9 Q3 e8 f" B' c* }K=0 D0=0
' `3 s. C# B8 I; LK=1 D1=0 4 X. M( N9 b2 v: \/ \% G# f9 @; _
K=2 D2=0
) w9 y( I4 ]$ l! |7 I7 t/ x/ oK=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)5 ]" g& z% ~( |& s3 _ ^; r
K=4;5;....x D4+= {Bo* O ! [) m O* P1 a
9 y& U( _4 g/ v
投注大球的期望回报总数为:
& L9 w( h2 b+ _+ u' H, E ∑D=P3* Bo/2 + Bo* O*(∑Pn-P0-P1-P2-P3)# s9 D" Z8 E0 X( p
= P3* Bo/2 + Bo* O*(1-P0-P1-P2-P3)3 Y0 D0 m; H/ R9 c9 `
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 y. F6 l/ T) r& j, L) X( L ∑D=P3* Bo/2 + Bo* O*(1-P0-P1-P2-P3)=Bo" i: h! T& U, z% |
P3/2+ O*(1-P0-P1-P2-P3)=1
, `* n0 b- n! d O*(1-P0-P1-P2-P3)=1- P3/20 f* n; G( Z. G, m9 y
在此盘口下,大球的赔率为 O=(1-P3/2)/(1-P0-P1-P2-P3)
. M; B- }( C. d L) w$ Q8 b" M) w 或者表述为 O=(1-P3/2)/∑Pn----------(这里n=4;5;……x)9 D/ {2 a+ v8 e( g% N. d
1 U% d' X$ x" ~$ N0 Q' ~6 p
在大小球盘为3/3.5球时,投注小球的回报总数额为:2 s S: Z+ I5 h( s4 J
K=0 X0=Bu*U
8 h' j g+ N; _7 {: i) X! lK=1 X1=Bu*U . P& f9 h% J5 L' H# c @
K=2 X2=Bu*U
3 L9 J2 I/ H0 {/ KK=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)# ?% Q/ _* u; O* C4 a& Y7 \" l
J=4;5;....x X4+=0- r4 e% n9 Q5 S3 p( Y8 C
4 d+ U8 O, v! A. Q% k投注小球的期望回报总数为:
3 u) G7 x1 G( M( c' S ∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2+ P3*U* Bu/2
4 b' p4 d! J" G# O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。
! |5 Q1 {/ [! w2 i ∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2+ P3*U* Bu/2 =Bu
: q$ n/ B' J( r6 l7 d U*(P0+P1+P2+ P3/2)+P3/2=16 ^) M: K1 _( `$ v5 a1 R& G
在此盘口下,小球的赔率为 U=(1-P3/2)/(P0+P1+P2+P3/2)9 O! }: o$ o! T. U p, k1 R e* L* E
. Y+ ^4 ?- z7 d2 C9 k! t" R! G2 \8 C! `. |. 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.
9 Z- q3 P) w. s2 v9 A% Z2 B, v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!& H( | N1 G1 z/ y* D
0 N5 N; z* R$ _; G. S4 gP0 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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