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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。
# u+ J! ? D% U' `我们先引入下列符号:
( Y) I' S; S3 ]5 D/ ]) l+ @, N2 ~/ {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 u8 O( s2 i1 u. H X
即:P0=全场进0球的概率;P1=全场进1球的概率;……。
" }4 J& h, |% Z那么 ∑Pn=P0+P1+P2+……+Px=100%。 p: c5 I8 G$ w0 y* B8 D+ I
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。
+ C; G: Z$ A7 s# CBu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。
' L# ]1 M, ~1 u" p6 C
* u" c- P. f; B) R6 F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。
2 b0 V+ ?' V/ x. M4 ^6 A/ M. |在任意盘口G下,全场比赛会出现如下3个结果:
9 E! e; M/ W$ b* x8 `1:K>G 即出现我们通常所说的大球。. N' y; C6 q/ A) h ]' ~% u
2:K=G 即出现我们通常所说的走盘。
9 t: j; y* _: h" }, t3:K<G 即出现我们通常所说的小球。$ Y2 Z7 H. i0 N
8 v$ C3 i v' ^# H& H那么在此盘口下投注大球的回报总数额为:
& ?* j2 ?9 j% H/ V& ]D1:(K>G)={Bo* O 即赢盘获得与此盘口相对应赔率的回报。
: r) ^$ F) ?$ i K) gD2:(K=G)={Bo 即走盘退回本金。! J5 j1 H7 f3 x/ f* e2 B
D3:(K<G)={0 即输盘失去本金。. Z+ N' I m5 m6 I
3 X- Q4 @& \; k/ o5 w
同理在此盘口下投注小球的回报总数额为:2 w6 z! A; r! O
X1:(K>G)={0 即输盘失去本金。
8 H+ ^1 y! L3 }3 ]% V LX2:(K=G)={Bu 即走盘退回本金。
7 ], U1 G' @$ y; J) k; Z: S+ v: X3 `X3:(K<G)={Bu*U 即赢盘获得与此盘口相对应赔率的回报。0 x# x7 c9 K+ ], D: O7 Z
7 ^9 v7 w C# O w9 i2 m
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 l+ D+ `% @) n# { P
9 l: K. q9 ~& x9 l% T1:大小球盘为2.5球(G=2.5)
+ r R, Q S' J3 A* I. `# y% b" _, a% K2 ] w7 E
在大小球盘为2.5球时,投注大球的回报总数额为:% o+ I) _9 P' v4 z- H! \3 {; U5 k$ F
K=0 D0=0
# p8 q7 j& |: QK=1 D1=0
# d; z$ a7 v" C, y# x. E0 ]K=2 D2=0
+ {. _. z2 @0 b% ?8 G* qK=3;4;....x D3+= {Bo* O
; q, \+ Z- I! ]' e$ x
( z/ Y$ H, w; z/ h( Z7 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)& Y9 w$ g G3 @, C5 m
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 ~$ T1 x9 Y" Z- E2 e
∑D=Bo* O*(1-P0-P1-P2)=Bo
. f$ ?0 y9 u4 m2 u2 J; x2 j; w0 _ O*(1-P0-P1-P2)=1
$ e5 n( a/ l6 @& R$ [ 在此盘口下,大球的赔率为 O=1/(1-P0-P1-P2)
' d' S9 n! B! o 或者表述为 O=1/∑Pn----------(这里n=3;4;……x)
5 @* E5 j/ v P1 m* @9 d
+ V% z2 U1 b: [4 F0 o6 \在大小球盘为2.5球时,投注小球的回报总数额为:
! N3 |( w7 L1 |3 WK=0 X0=Bu*U
+ |1 M8 N$ ~2 K- Y$ I3 ~K=1 X1=Bu*U 4 D' @& b. X1 `6 U
K=2 X2=Bu*U 8 L1 J* {) F" d& x* h0 f/ o
K=3;4;....x X3+=09 W, e. t( e+ R6 M3 q% t
/ f7 | Y6 j! v" g' s; v7 }
投注小球的期望回报总数为:∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U: }+ I1 Y. }- {1 i; d) T& 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。
6 [; B2 p9 T- Q4 J ∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U=Bu0 C) ~1 J% Y3 n+ k2 |. Y
U*(P0+P1+P2)=1
6 c* {. u/ z" Q6 F$ l 在此盘口下,小球的赔率为 U=1/(P0+P1+P2)
7 Q* U# a8 s, r" Y. p2 y7 @9 T9 o& V* a
2:大小球盘为3球(G=3)2 g2 T0 A) Z3 M: v2 g* V- f
2 j( s) P2 J4 M* f" `在大小球盘为3球时,投注大球的回报总数额为:
# n" k3 `4 V* H/ f: Y4 |" J) X3 MK=0 D0=0 7 n: p, d, L( ^
K=1 D1=0 % M/ u' p) u, f# [- q* t# j0 @, K& b
K=2 D2=0
& K+ u l9 m+ b9 y' u; AK=3; D3= Bo
3 x, U) _ m7 |4 y% WK=4;5;....x D4+= {Bo* O 2 e+ U" S* Z' W0 w8 z- z
5 \# V. x; N% T* [4 h4 J投注大球的期望回报总数为:
! D) b# z2 H4 T# y( X B& v& s" L∑D=P3* Bo +Bo* O*(∑Pn-P0-P1-P2-P3)= P3* Bo +Bo* O*(1-P0-P1-P2-P3)9 | F8 D& Y. G" c f( 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。0 f3 o7 k+ z E# T, i
∑D=P3* Bo +Bo* O*(1-P0-P1-P2-P3)=Bo# `+ Q: Z4 ]6 `, N# y. _
P3+ O*(1-P0-P1-P2-P3)=1
4 U, j+ Y& Q- G; ?6 {, d {4 h 在此盘口下,大球的赔率为 O=(1-P3)/(1-P0-P1-P2-P3)
f: o ^/ c5 J( \; E 或者表述为 O=(1-P3)/∑Pn----------(这里n=4;5;……x)
( m8 v$ d% a0 M+ E6 q: ~6 ]+ E7 y- T Q* c3 ]3 Y' G7 y
在大小球盘为3球时,投注小球的回报总数额为:
; Y* T" c( L" W: X& t6 KK=0 X0=Bu*U - N) Y8 @ i K9 J
K=1 X1=Bu*U 7 W$ o( H6 L+ e" ?) G5 s3 i
K=2 X2=Bu*U 1 {3 _$ q8 v& d2 O$ k2 ^" W
K=3 X3= Bu
; Q9 f7 D$ d u3 }J=4;5;....x X4+=09 L' I+ M1 H" A" |. W+ s
3 ?# @& c) e 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/ W' t. N7 m- ?
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。. G6 |$ k& p, y6 _0 G; Q8 h- L8 ]
∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu =Bu, B$ q+ B* w. c. \7 R* _: g
U*(P0+P1+P2)+P3=1" i4 c1 Q) Q. b2 g0 V4 S
在此盘口下,小球的赔率为 U=(1-P3)/(P0+P1+P2)
# v5 ]$ b* m, m. @1 ^. m+ k, M6 C
. `: V! Y: c1 j+ v" a9 C" S3:大小球盘为2.5/3球(G=2.5/3)5 k4 e, q# w/ T/ I: F
3 D) S8 M, w; R; D9 F+ N
在大小球盘为2.5/3球时,投注大球的回报总数额为:+ Z: r5 v8 r: w5 x2 P% T# |8 p
K=0 D0=0
# W+ f+ a! D) y. EK=1 D1=0
& A9 ~2 Y% r6 z# F8 ~3 ]K=2 D2=07 Y+ g7 T. o% m; c; T! K9 O' e
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 z! y3 L) l6 yK=4;5;....x D4+= {Bo* O * w4 v9 r6 R' v# y0 {
* j; N9 [! N- H# {. |! L7 K
投注大球的期望回报总数为:: T ]: I" b& O7 A7 a; k3 u
∑D=P3* Bo/2 +P3* O*Bo/2+Bo* O*(∑Pn-P0-P1-P2-P3)
5 O! p0 V' W' t) n' Z = P3* Bo/2 +P3* O* Bo/2+Bo* O*(1-P0-P1-P2-P3)
+ W6 J2 l% D1 c$ o7 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。: H% r% l2 I' Q
∑D=P3* Bo/2 +P3* O* Bo/2+Bo* O*(1-P0-P1-P2-P3)=Bo
9 k. k' X9 f/ w3 r3 f0 S' U P3/2+ O* P3/2+O*(1-P0-P1-P2-P3)=1
: _& {- f+ ?( g4 ` O*(1-P0-P1-P2-P3+ P3/2)=1- P3/2& a: g/ O3 `% G8 c
在此盘口下,大球的赔率为 O=(1-P3/2)/(1-P0-P1-P2-P3/2)
9 M: `# R" X* ^( n! U
2 I! z( j2 j6 K在大小球盘为2.5/3球时,投注小球的回报总数额为:3 a$ g4 A3 g+ v1 d' w
K=0 X0=Bu*U " x2 N& e O9 v7 y3 h0 T
K=1 X1=Bu*U
/ m' h9 B" O, Y/ |2 D: ~, [5 {K=2 X2=Bu*U
( [6 d8 K; E7 }7 x, D- eK=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)5 S' k! x- B4 u5 a- }( {
J=4;5;....x X4+=0! p3 I% L5 [0 m) Q( d5 C6 N) I
! p. {9 b! v$ x% X% B- 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+ v& i" k& e1 y+ _8 @
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% x% m% V0 j ∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2 =Bu
! i5 m) p. g( o: p4 i) O# W' Y; q' ] U*(P0+P1+P2)+P3/2=1
1 M4 _$ n) X- n 在此盘口下,小球的赔率为 U=(1-P3/2)/(P0+P1+P2)
/ i* n d7 e8 D; y# N! E, j5 V5 K: b5 h/ g7 X \' a' B& y/ Q# K) e
4:大小球盘为3/3.5球(G=3/3.5)5 ~7 M: O, |1 c3 A2 x5 F: K0 B
* O, B% O) e& Y2 S. B5 f在大小球盘为3/3.5球时,投注大球的回报总数额为:. N9 r/ U' ]; m; ^- G8 Z! v( }* Y
K=0 D0=0
- f! u4 B5 R$ e) _) ^K=1 D1=0
0 p8 C# q: X9 G# h+ ~4 g4 H# \K=2 D2=0( u+ `+ X" D) J9 d& |
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 L! E% J8 W+ S4 z' S9 S( p
K=4;5;....x D4+= {Bo* O
+ M E6 ^$ K5 x& i8 B" A
2 p" K9 u/ m6 e, C$ s8 h投注大球的期望回报总数为:
. i& |& P: E4 {4 N4 I( v9 |9 s! d ∑D=P3* Bo/2 + Bo* O*(∑Pn-P0-P1-P2-P3)
8 T8 O( ]; `2 F$ f0 X = P3* Bo/2 + Bo* O*(1-P0-P1-P2-P3)
( H4 W6 m& J, s8 n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 Y6 k7 ~$ ]) J( f# y
∑D=P3* Bo/2 + Bo* O*(1-P0-P1-P2-P3)=Bo6 F( T4 U5 y) g/ {
P3/2+ O*(1-P0-P1-P2-P3)=14 ` i% u. o" z& ^, H5 A
O*(1-P0-P1-P2-P3)=1- P3/2
4 R( }6 f% |3 X$ L, q& p! U' l 在此盘口下,大球的赔率为 O=(1-P3/2)/(1-P0-P1-P2-P3)
9 h3 _# n w4 j% }6 R) y2 t 或者表述为 O=(1-P3/2)/∑Pn----------(这里n=4;5;……x)" g7 I: g$ V; N! ]8 l5 L) ]
% `* x8 e9 i6 Y' n- i/ S! _& ]2 W& m5 [
在大小球盘为3/3.5球时,投注小球的回报总数额为:+ `/ U$ _1 T- @% t5 {7 Z9 b
K=0 X0=Bu*U
. W0 l; Q7 x$ R! s5 p! mK=1 X1=Bu*U 6 b! j2 Z' p3 |- i5 g5 W/ C8 J9 H
K=2 X2=Bu*U
`7 O/ I( A) V$ U* ^* |6 `$ rK=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)
% ]; I, c$ b. f/ vJ=4;5;....x X4+=0
( \: Y* d4 q0 J5 T ^
8 y4 o, J1 I, r1 t# b投注小球的期望回报总数为:4 N3 N5 K6 v3 g4 ~! @
∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2+ P3*U* Bu/2* B3 F, }4 {+ U# s' T: _/ 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。/ O; c8 P& `0 p# P4 i2 H% w
∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2+ P3*U* Bu/2 =Bu
L2 t4 D- M" H. c! X* S2 b. Z U*(P0+P1+P2+ P3/2)+P3/2=1" p: ?5 P; O, A2 i; A) u) s
在此盘口下,小球的赔率为 U=(1-P3/2)/(P0+P1+P2+P3/2)
, v3 k/ y* v) K: D4 P, H) _" O
0 m! Y, H( s* H/ N0 v6 p, o6 V% E. a! p B5 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.( |3 @. |8 @0 W, U
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!- j$ h; x2 x8 J; z; S, G/ c; G
0 F# {; X# q+ \8 S4 lP0 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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