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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。
3 p2 u# t. N. w$ z$ R我们先引入下列符号:
O! J1 [% `( Q' }( m0 k! r# cPn(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' f1 v, O$ n& s5 q/ ^# ^
即:P0=全场进0球的概率;P1=全场进1球的概率;……。
4 {( i" R5 r3 M2 O( e2 Z( r$ `那么 ∑Pn=P0+P1+P2+……+Px=100%。: B V1 M* K+ E' b! V7 f
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。
& {4 F, W( D" {; ^9 J; }3 iBu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。
8 n2 Y1 I, v$ I4 E9 T4 T
( P! K' F0 O5 v1 Q( ?5 o, l' d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。6 B5 w' x% a1 f9 z% ^# O. t+ g( w
在任意盘口G下,全场比赛会出现如下3个结果:
3 G8 `- K# Z& \6 }% z6 I. _1:K>G 即出现我们通常所说的大球。& h+ e3 e. d. A+ G
2:K=G 即出现我们通常所说的走盘。 o% A o3 g( J; @4 ]3 Y7 L9 }
3:K<G 即出现我们通常所说的小球。7 t0 w+ W4 c2 f3 c
4 n" O/ ?7 e1 O, A4 N那么在此盘口下投注大球的回报总数额为:
' p! z9 d5 k6 f9 s) r0 PD1:(K>G)={Bo* O 即赢盘获得与此盘口相对应赔率的回报。
$ M- f- K' P4 f- R' wD2:(K=G)={Bo 即走盘退回本金。) ^$ S! ]6 q4 v9 T
D3:(K<G)={0 即输盘失去本金。
9 s) e. z( O. |: ]' A( e
; z, [- H \( S2 V4 \( l, m同理在此盘口下投注小球的回报总数额为:
Z6 _4 P- b1 n/ G4 |4 |, j% c5 {X1:(K>G)={0 即输盘失去本金。9 o& s2 ?- ]# r7 n
X2:(K=G)={Bu 即走盘退回本金。
+ z( R( w: Y8 T: F* m4 t. A: rX3:(K<G)={Bu*U 即赢盘获得与此盘口相对应赔率的回报。
/ M& U" F( g# n4 `5 W4 }' n! S# W3 r4 R+ o ^* H8 A: f- [
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。# d* I- k/ }; l6 G' v$ G
2 ^9 f2 B1 K& p/ J* [$ j4 c* d
1:大小球盘为2.5球(G=2.5)! N% h5 P& ~" ]2 c: @5 I
5 h, z! j2 X: d$ e( q: D8 o \
在大小球盘为2.5球时,投注大球的回报总数额为:
l( O2 H9 T# K/ m' dK=0 D0=0 / E+ z5 d7 I6 k G' o6 }
K=1 D1=0 5 A+ {$ e+ U ^' S) g4 c
K=2 D2=0
$ I+ m1 c& U7 }" T" E: M( w$ JK=3;4;....x D3+= {Bo* O : F- j: T4 c$ X' D
3 o% G9 P( R. J- l9 j
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)
* Q& H& L0 s, f8 U u. P7 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。& q& W5 v, ], _8 G: _/ n- X3 X
∑D=Bo* O*(1-P0-P1-P2)=Bo6 y: q& `+ t9 _# {
O*(1-P0-P1-P2)=1
V. O2 b% o H; P" q 在此盘口下,大球的赔率为 O=1/(1-P0-P1-P2)$ G6 M/ `# P* e0 P! ?9 l3 p2 X ?
或者表述为 O=1/∑Pn----------(这里n=3;4;……x)
X+ k2 i' N7 E9 L# o# S; m3 [. {$ W
在大小球盘为2.5球时,投注小球的回报总数额为:0 P% E) N3 {7 O
K=0 X0=Bu*U + j! L- {2 b `7 G7 ` t5 q6 O
K=1 X1=Bu*U 1 B: F4 L" o- R0 t6 D k( t
K=2 X2=Bu*U 2 [) Q! U$ Q# i
K=3;4;....x X3+=05 Q7 e6 Z3 o: ?* _) c+ g* h
4 R# N v# M+ v4 M* Z投注小球的期望回报总数为:∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+ ^. r5 g$ ]# H
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。
. W" ]% `2 y: T ∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U=Bu
9 c0 k7 F# @' X" [4 F; k U*(P0+P1+P2)=1+ ~" [9 D3 ]3 ~4 |$ k0 i8 V0 w
在此盘口下,小球的赔率为 U=1/(P0+P1+P2)) J6 t6 c' ~5 U& U1 r1 c
; i5 E9 A) e2 _6 X7 D# b
2:大小球盘为3球(G=3)
0 r8 a ]' T+ R0 T9 X, H7 \" s- N: m9 J; [
在大小球盘为3球时,投注大球的回报总数额为:, W# W+ s, G6 y i/ e
K=0 D0=0
% x7 t$ y# A* N0 ?, l& hK=1 D1=0
0 K$ U; x7 |7 W4 T( m" {4 \K=2 D2=0
7 H, S5 s( e _ ?& I6 H0 oK=3; D3= Bo
( L4 y/ f- z+ ~2 v4 i- c: }K=4;5;....x D4+= {Bo* O ! h: }$ G. [% w9 M$ o9 M, f) O
& R( i" a, H# h; g1 t
投注大球的期望回报总数为:! Y6 j- p2 }, d2 \8 g# H3 C, G
∑D=P3* Bo +Bo* O*(∑Pn-P0-P1-P2-P3)= P3* Bo +Bo* O*(1-P0-P1-P2-P3)) t6 c% x2 V" ]$ 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。
' v, N0 p! {; N3 I ∑D=P3* Bo +Bo* O*(1-P0-P1-P2-P3)=Bo- R$ W% D; w% _* r/ E& y6 K
P3+ O*(1-P0-P1-P2-P3)=1
4 T7 n7 k# ^- N2 u$ T' V# }0 M 在此盘口下,大球的赔率为 O=(1-P3)/(1-P0-P1-P2-P3)
% x. L0 u0 l1 X5 p+ F' k$ ^9 _ 或者表述为 O=(1-P3)/∑Pn----------(这里n=4;5;……x)
+ g# T1 I( w9 r" j2 H
: C: v% z# x3 B9 j: V在大小球盘为3球时,投注小球的回报总数额为:
8 K. D4 i8 |- F8 h' _7 ]K=0 X0=Bu*U
6 [1 R2 m: `0 ?K=1 X1=Bu*U
0 b! L$ U3 B! \2 P' a$ W& LK=2 X2=Bu*U ) ~# X+ X+ `5 N2 \) S2 a0 T
K=3 X3= Bu, Y- g* B; A# A) C- H, c7 W8 c) l
J=4;5;....x X4+=03 M8 d6 Z& U) K! B. J
2 M' C7 j" a% }0 |9 W1 Z# A) i6 C
投注小球的期望回报总数为:∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu* C: z' J. L2 t4 s6 v! v
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 T: _3 _. a3 L0 m* p
∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu =Bu- F7 a% R3 L7 Z" d* s
U*(P0+P1+P2)+P3=1! p" Y$ o& ]" f+ O- c
在此盘口下,小球的赔率为 U=(1-P3)/(P0+P1+P2)7 f# s9 B+ D9 @3 W0 m
6 D; K2 k. l4 ]2 K0 H
3:大小球盘为2.5/3球(G=2.5/3)- `( E1 w( W; ? F! F" y& o
. Q# E+ m" n4 r
在大小球盘为2.5/3球时,投注大球的回报总数额为:
. D6 g3 F1 K0 fK=0 D0=0 . P f! n5 | e! |! i, j1 \& ?8 o
K=1 D1=0
( o3 i( L" A8 J/ M$ |$ S7 ]2 xK=2 D2=01 i* F' I! ~/ a- b
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)
0 _- Q) u" I s5 A. I) w" N7 yK=4;5;....x D4+= {Bo* O
3 P" P+ D$ n& T; t8 v4 x+ y! F. m3 a$ Y" d. }% B
投注大球的期望回报总数为:- u" w {4 m1 x4 Q3 a
∑D=P3* Bo/2 +P3* O*Bo/2+Bo* O*(∑Pn-P0-P1-P2-P3)
/ Z/ t6 t* _. r# X/ w = P3* Bo/2 +P3* O* Bo/2+Bo* O*(1-P0-P1-P2-P3)
( {2 v# `; m; f8 a( K- 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。5 B$ o3 a/ f. v0 N( Y/ B
∑D=P3* Bo/2 +P3* O* Bo/2+Bo* O*(1-P0-P1-P2-P3)=Bo
2 w2 H- b# o. l) g9 _ D( l P3/2+ O* P3/2+O*(1-P0-P1-P2-P3)=1) H+ u- Y' {" u$ `
O*(1-P0-P1-P2-P3+ P3/2)=1- P3/29 X Z; E! O* J$ H8 M y4 R* e7 k8 ?; e
在此盘口下,大球的赔率为 O=(1-P3/2)/(1-P0-P1-P2-P3/2)
1 u- v! \6 r4 [( z. |2 n
+ W" Q& C# p8 c" ^* |, b在大小球盘为2.5/3球时,投注小球的回报总数额为:
4 x9 W$ V7 S' y5 M* `K=0 X0=Bu*U / b+ T. l$ p. @/ z' r# ]( ]
K=1 X1=Bu*U
' {; i0 j& e. @K=2 X2=Bu*U
! y4 A% a) c% f" G+ |( hK=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)
" p0 ~, k% t% D7 B# RJ=4;5;....x X4+=00 j3 `# s- c; x0 `( m+ C
( `0 R1 P4 p- z+ K, o6 k% ?: F: r8 E
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
! J$ @5 h& x. ]& P8 L3 u# {% 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。/ Y2 a8 H) r3 s" |! E
∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2 =Bu; E& u6 M8 c% _4 q J# [
U*(P0+P1+P2)+P3/2=1( G0 H; {1 n; A. {: T
在此盘口下,小球的赔率为 U=(1-P3/2)/(P0+P1+P2)& n# a/ V& e7 x3 L& {* j6 E/ S
, O6 @- O. ?" g4 e9 y [
4:大小球盘为3/3.5球(G=3/3.5)2 i: q/ ?( b& e% _1 i* q
+ H4 S# Q1 I3 g1 R
在大小球盘为3/3.5球时,投注大球的回报总数额为:
# G! T$ I1 H' _" l4 t, k1 CK=0 D0=0 1 Q# e9 q/ ~' x6 [6 L. N
K=1 D1=0 # I. Q1 H# i8 M4 }5 i- _3 m
K=2 D2=0# @8 ~; y6 o& P+ T9 A
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)2 q, K6 o: E% j6 Z; z$ ^( T0 s
K=4;5;....x D4+= {Bo* O . E& n( h* [9 I- V) l# f7 B
1 v7 ]; l' i" b5 B5 a4 Q2 }% z# `+ g+ A" Q
投注大球的期望回报总数为:
+ i& r& G8 H4 u6 Z ∑D=P3* Bo/2 + Bo* O*(∑Pn-P0-P1-P2-P3)
1 J4 r/ O2 P- A3 f M' e% l = P3* Bo/2 + Bo* O*(1-P0-P1-P2-P3)* l" v. Q1 C8 A& 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。, ]3 N, z9 }; a+ f; y( V7 E
∑D=P3* Bo/2 + Bo* O*(1-P0-P1-P2-P3)=Bo
: ^8 A! U5 p- R5 e- A, g! L! Q, s& j P3/2+ O*(1-P0-P1-P2-P3)=1
8 _ `( c/ ]: b! d& K0 } O*(1-P0-P1-P2-P3)=1- P3/25 G" M2 T/ k! J2 X9 G' q( o5 d' g7 w
在此盘口下,大球的赔率为 O=(1-P3/2)/(1-P0-P1-P2-P3)
; K. E, G7 Q! }; X& _# g0 {& O 或者表述为 O=(1-P3/2)/∑Pn----------(这里n=4;5;……x)
- n( Z3 K: {; I9 J* n+ P. r0 Y
4 c! k& h' S& x: v3 c在大小球盘为3/3.5球时,投注小球的回报总数额为:" p7 X' s9 a7 J, N) N
K=0 X0=Bu*U
7 @; s, j6 _: ]. |K=1 X1=Bu*U
! P9 L& T5 l2 _' `K=2 X2=Bu*U
& {3 t. j3 K1 J% E7 XK=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), P, c) m: Q. N# H3 U, |
J=4;5;....x X4+=0
+ N) S3 q: C- S u. ^* b7 {
- L8 ~% U5 s: s投注小球的期望回报总数为:1 P3 W% d b) G; E/ M n; d5 D
∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2+ P3*U* Bu/2+ ]9 L- G6 i; v$ I5 W0 Z! Q1 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。: V5 |0 _$ z( F, F4 u
∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2+ P3*U* Bu/2 =Bu4 X. R3 ?6 }' [5 |7 O7 e/ X/ |! |( x
U*(P0+P1+P2+ P3/2)+P3/2=1# o4 e, p0 M! L n
在此盘口下,小球的赔率为 U=(1-P3/2)/(P0+P1+P2+P3/2)* \" w3 m J/ l: l
2 R# F5 l/ H+ S9 R9 [+ R, Q
$ s4 ]$ Y, w; K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.
) S& M, W& a( Y* M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!0 V& [3 R' G& B0 M* r# F' {
( ^( F5 P' b: C! H# C3 v
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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