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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。
* n7 M0 m% M, j+ [$ O4 b! ~9 o我们先引入下列符号:0 l2 p; @' [4 O, k6 e
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。
) k6 J4 S$ ~& ]' ]: q9 v d5 ]即:P0=全场进0球的概率;P1=全场进1球的概率;……。( `; m' f6 k2 n9 U1 y
那么 ∑Pn=P0+P1+P2+……+Px=100%。
$ T0 |) q/ f6 _$ pBo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。
& ~* Y6 H5 _/ z6 K7 D# y- }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。+ D# C$ r' [- N* k
. Q$ y' u9 F( j) H2 r- g6 \
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。. N& r6 k6 f$ ]1 I( ~ ? R3 p6 w
在任意盘口G下,全场比赛会出现如下3个结果:
% G' ^/ Y H0 o* A+ q: J) A1:K>G 即出现我们通常所说的大球。1 A" ]' \, u; U3 @! v
2:K=G 即出现我们通常所说的走盘。' L7 g* [& u/ ?
3:K<G 即出现我们通常所说的小球。
6 H; x& g9 x' Z* q6 v6 W0 ^5 a3 Z q% H5 p$ Y% [% R. E
那么在此盘口下投注大球的回报总数额为:; A6 R, O5 ]# d9 v3 \9 ~) \9 r
D1:(K>G)={Bo* O 即赢盘获得与此盘口相对应赔率的回报。
5 {6 G! K; W8 l" FD2:(K=G)={Bo 即走盘退回本金。4 c7 W& r: c% m5 S! w: H& b* s# a9 X
D3:(K<G)={0 即输盘失去本金。3 A+ B6 b" s5 @; U3 h6 V
& d, T* n/ ?3 i( M8 r
同理在此盘口下投注小球的回报总数额为:
) S+ M$ o0 Z! b- U: Q8 ~6 ]X1:(K>G)={0 即输盘失去本金。
" G- b. J4 D4 E, KX2:(K=G)={Bu 即走盘退回本金。; u7 T+ O/ Q% s- l$ h; g
X3:(K<G)={Bu*U 即赢盘获得与此盘口相对应赔率的回报。" p3 I- N8 c; g1 |/ r a
1 [. d* l+ s! `5 V+ w- W9 S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。
0 a3 ?( k. E2 O3 l9 r
: Z0 a3 k( {, p: d Z1:大小球盘为2.5球(G=2.5)
; I1 n' `& H4 W. G9 D* e9 F% A- w
1 ~; r- C4 l/ L在大小球盘为2.5球时,投注大球的回报总数额为:
7 J' N& s9 a1 {" J0 I1 UK=0 D0=0
+ f3 w o- m: ]/ j' x' g% W3 S; wK=1 D1=0
: ]3 P1 D* C$ B- j/ C/ d" [K=2 D2=0
/ l$ G) a! C' O% ~% z D+ wK=3;4;....x D3+= {Bo* O , n7 i8 W! H& T6 `) C2 z
& f% G7 f i+ T, o: {& P5 R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)
r$ ]" j/ c7 t" E/ ?4 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。9 u( r6 Q9 q3 d( {" A$ i7 c3 L2 P
∑D=Bo* O*(1-P0-P1-P2)=Bo
# D0 ^7 @8 |$ G# T( I0 T O*(1-P0-P1-P2)=1
, `7 j7 }4 E J, X5 v$ \ 在此盘口下,大球的赔率为 O=1/(1-P0-P1-P2): P) k' l+ i8 U: D) N V
或者表述为 O=1/∑Pn----------(这里n=3;4;……x)
/ r$ X P, f+ ~7 o% d# n) Z/ T
2 W. G9 Q7 S3 Y& L3 O在大小球盘为2.5球时,投注小球的回报总数额为:, ?4 [: L8 }" S! C" ]3 U
K=0 X0=Bu*U
V/ [! _$ U6 r3 e vK=1 X1=Bu*U
5 K9 `. [' \3 X- |1 Y( r$ EK=2 X2=Bu*U 9 K- J0 D# |6 e& q
K=3;4;....x X3+=0
" o% q0 L! `& B; b
: @* W) t! F* Y0 w投注小球的期望回报总数为:∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U g1 u J8 z- S% A( ?8 B& t- G- z
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 q. N# z3 T: S ∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U=Bu6 }& t" p8 G7 [ f! P& u+ @
U*(P0+P1+P2)=18 d; P4 {% K$ a7 ]6 s6 ^
在此盘口下,小球的赔率为 U=1/(P0+P1+P2)
( C2 _: ~, J" i# ^7 j/ B# W$ N& }# m
' `2 U9 ~# q( i5 @. a# @; Z) Z+ c6 G1 s2:大小球盘为3球(G=3)
' ?* l1 B7 u- k( p0 q2 f7 Y) e6 j& y. Q
在大小球盘为3球时,投注大球的回报总数额为:. L( j( ^) ~2 U0 \7 p; l
K=0 D0=0
, o; m/ I( I5 B6 _8 KK=1 D1=0 % Y4 }7 i- h1 A3 y
K=2 D2=0
' E I' V8 J% ?5 D8 [K=3; D3= Bo
w/ M( t& x0 o+ E3 ]- e9 |K=4;5;....x D4+= {Bo* O
, D" I) p* Y9 g6 N1 e
$ d6 W6 w `: u" A* ]" n+ |8 g! N投注大球的期望回报总数为:, V9 p3 O6 N5 E" r( c
∑D=P3* Bo +Bo* O*(∑Pn-P0-P1-P2-P3)= P3* Bo +Bo* O*(1-P0-P1-P2-P3)7 C) J+ g! R5 U6 F: 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。7 f( {/ `) a( v7 X N% I3 N' x* O
∑D=P3* Bo +Bo* O*(1-P0-P1-P2-P3)=Bo
9 d, B3 D$ Z% g! e' f P3+ O*(1-P0-P1-P2-P3)=1. w N+ V$ m5 A2 V
在此盘口下,大球的赔率为 O=(1-P3)/(1-P0-P1-P2-P3)( F" U6 z6 E5 [0 f5 d
或者表述为 O=(1-P3)/∑Pn----------(这里n=4;5;……x)
/ F9 k% f5 N3 w: ^ D9 U- u3 ]' X4 l4 E
在大小球盘为3球时,投注小球的回报总数额为:. L4 U4 F/ I4 t( i
K=0 X0=Bu*U
5 [$ Q( G' x3 l+ c; W5 LK=1 X1=Bu*U
8 t' T4 Q* K& O9 B3 `8 D2 VK=2 X2=Bu*U
5 q3 l, z9 j1 Z# ^: X+ mK=3 X3= Bu' T8 ^% Z* }: j" A/ h- y8 p
J=4;5;....x X4+=0+ h0 W6 f0 g5 Q+ a% q; H
$ x- q m9 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
. i, }2 C8 X- C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 }/ O# g* U. E+ U" G( o' \
∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu =Bu
7 K: h h( c* ]1 s( E U*(P0+P1+P2)+P3=1
$ u2 [1 a3 {5 c" _! f6 m, g 在此盘口下,小球的赔率为 U=(1-P3)/(P0+P1+P2)) Q; I; p' |( Z5 t% o9 `- [
- Q, U) h3 @2 D3 `3:大小球盘为2.5/3球(G=2.5/3)
! e% N% W% M4 H9 B5 V+ R7 G/ ?& ? U7 s3 j" {# C
在大小球盘为2.5/3球时,投注大球的回报总数额为:& M1 C, [4 z) [
K=0 D0=0
2 Q, Q0 w' h" G. R1 t& d' YK=1 D1=0
5 O+ M5 \6 B# ^. Y" j$ NK=2 D2=0
5 f2 J" U) [1 C0 H# @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)) Y3 Q1 g, w) Y: W% M# T7 q: k
K=4;5;....x D4+= {Bo* O
* x: N/ f$ T! u* n9 |0 l
: V; D, l& s4 W! u% O( J投注大球的期望回报总数为:+ R' y& X6 S) U* |9 f! p7 R
∑D=P3* Bo/2 +P3* O*Bo/2+Bo* O*(∑Pn-P0-P1-P2-P3)
1 I* Z$ f: j* m- v( X: j* B5 Q, v = P3* Bo/2 +P3* O* Bo/2+Bo* O*(1-P0-P1-P2-P3) F! ^. E p' K0 n8 V1 Z3 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。! S, D9 A: B" I0 W& i3 \
∑D=P3* Bo/2 +P3* O* Bo/2+Bo* O*(1-P0-P1-P2-P3)=Bo
+ h: e: \4 e+ n. ~+ L+ V P3/2+ O* P3/2+O*(1-P0-P1-P2-P3)=1
3 h- o3 ^1 L! s" l5 @ O*(1-P0-P1-P2-P3+ P3/2)=1- P3/2
- L0 q4 `) v/ S$ _7 H# }' ] 在此盘口下,大球的赔率为 O=(1-P3/2)/(1-P0-P1-P2-P3/2)
6 _8 y. u8 @8 ]: H7 U9 B: s6 q' {
9 I0 T. P- |! k" a# R- j3 j [在大小球盘为2.5/3球时,投注小球的回报总数额为:
# X7 c* O- {$ m( f& N" T g' x$ r6 iK=0 X0=Bu*U
. m( j; @6 g6 h u' SK=1 X1=Bu*U 2 y2 N1 m2 E$ {) _9 z
K=2 X2=Bu*U + [; R i+ _6 m {" [6 V
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)
% m, m& X0 F3 oJ=4;5;....x X4+=0
! t: S/ T: J9 [( r' o
9 d9 W% u" k5 G8 w( 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/2
* I3 g( `0 q/ `; C2 i; 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。9 {: u+ r1 A- }
∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2 =Bu
" J8 X8 D: O9 J1 |% [! c U*(P0+P1+P2)+P3/2=1; q" ]5 H. U) a/ z# J
在此盘口下,小球的赔率为 U=(1-P3/2)/(P0+P1+P2)
/ Z' v6 q0 j- r, a( F6 N1 z
: u, a6 T( T. e0 [4 m4 U9 U# H4:大小球盘为3/3.5球(G=3/3.5)
0 k" q4 {; q5 H, }, f1 Y$ M& V+ z; H i/ [) J
在大小球盘为3/3.5球时,投注大球的回报总数额为:$ Y6 Z* x, J- U ?, J0 [3 O
K=0 D0=0 % z) ~, W9 i) U8 _: [- T' s
K=1 D1=0 # {$ B! R j+ V: H6 X
K=2 D2=00 \ C f8 C5 e
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)1 r6 q) L3 `/ I" y
K=4;5;....x D4+= {Bo* O
% ]. S* D$ u P7 [ W& j: p
! M+ U: y4 N6 E. a投注大球的期望回报总数为:% i- o" E" e- B( b; A
∑D=P3* Bo/2 + Bo* O*(∑Pn-P0-P1-P2-P3)+ s5 |) _2 g0 h
= P3* Bo/2 + Bo* O*(1-P0-P1-P2-P3)( U7 u& s6 A5 E6 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。
a9 `5 E. Y+ K* K6 w! l ∑D=P3* Bo/2 + Bo* O*(1-P0-P1-P2-P3)=Bo' J4 }) V6 [' S( Z; h1 i
P3/2+ O*(1-P0-P1-P2-P3)=1! B+ l9 Q* k7 u2 N
O*(1-P0-P1-P2-P3)=1- P3/2
, t/ r& u( p7 E _% _ 在此盘口下,大球的赔率为 O=(1-P3/2)/(1-P0-P1-P2-P3)
# X1 A/ T! |' O1 {; v 或者表述为 O=(1-P3/2)/∑Pn----------(这里n=4;5;……x)0 j: b3 j# l0 B& A( x0 x7 |
9 b. e( m+ O' U3 K在大小球盘为3/3.5球时,投注小球的回报总数额为:# W7 J; x' l8 T6 j
K=0 X0=Bu*U ( ^. A: @9 x) O" B5 p
K=1 X1=Bu*U
% H9 c: x: ~- M( L6 q: N! M( SK=2 X2=Bu*U
, n- f1 k. _( ~! ] N' CK=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" ?7 j& L4 G, V' g* k3 S+ j
J=4;5;....x X4+=0
+ m5 Y, w' S; i6 S. f
4 P. X2 J/ `" ^; o3 {1 J1 a投注小球的期望回报总数为:
, v" P( `5 r8 W3 J% @ ∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2+ P3*U* Bu/2
* O- U4 m# |+ v% h- a8 ~& 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。6 E( d( Y8 V/ H, O) a W$ z
∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2+ P3*U* Bu/2 =Bu% c1 K" b8 p2 B/ B5 s
U*(P0+P1+P2+ P3/2)+P3/2=1/ D$ ^! _; P. K1 A, j( i! @0 }. ]
在此盘口下,小球的赔率为 U=(1-P3/2)/(P0+P1+P2+P3/2)
' i6 Y; G8 ]3 p0 X& [
0 x {" Q3 V5 V! X9 W0 s, t, a0 Y0 U% ?) q+ P }9 ?
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.
3 O. f) t& e" r4 i5 b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!( h3 i3 N6 g6 Z2 x- h. e- O4 K
. E% s( \( b6 U1 A; a/ [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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