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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。4 Z8 z0 {2 r) j* M3 J* M9 [
我们先引入下列符号:) y2 v. C& I1 L6 B8 V& a: D
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。; j3 A$ G z3 ?% I% t" u5 u3 r, H
即:P0=全场进0球的概率;P1=全场进1球的概率;……。) _! A+ X" G0 h
那么 ∑Pn=P0+P1+P2+……+Px=100%。/ e2 R, f( L0 v: J3 A
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。
: [. L# G6 S9 N6 {) r+ [9 MBu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。
. I0 w. `0 V) d6 s2 a, C
- K+ [6 r/ |6 B8 v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。0 d3 @5 L+ t; L! I- \6 K! p1 U
在任意盘口G下,全场比赛会出现如下3个结果:
* U4 B9 n6 j( ]6 p; @. ]* Q5 h1:K>G 即出现我们通常所说的大球。
) i7 M1 T, X9 b' N% l2:K=G 即出现我们通常所说的走盘。
9 q. N, u0 p" p0 a9 x! T5 t3:K<G 即出现我们通常所说的小球。
, p" W! L6 Z3 r7 y. b+ U# P$ K+ B5 c; ~. R4 m; N5 ^6 d
那么在此盘口下投注大球的回报总数额为:& J, Y* w# W' o T. d9 A+ }, {
D1:(K>G)={Bo* O 即赢盘获得与此盘口相对应赔率的回报。* v) y* _+ g4 t
D2:(K=G)={Bo 即走盘退回本金。
& s5 p( ]7 z& a" xD3:(K<G)={0 即输盘失去本金。7 [! ^1 T L# B6 ]" ~/ B
9 P) u9 v3 | E! x
同理在此盘口下投注小球的回报总数额为:& w& g2 [" ?" T# X' \7 m1 j; ?/ D. B
X1:(K>G)={0 即输盘失去本金。6 i9 [2 ?% V c- e4 V6 J+ w3 S+ e
X2:(K=G)={Bu 即走盘退回本金。. t0 d7 Q& L9 m9 j% o$ p% z% S$ C
X3:(K<G)={Bu*U 即赢盘获得与此盘口相对应赔率的回报。4 @( T* U' A; L
! J. K- ]; L5 K- `( x* Q0 i6 o: Y- W" l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。
7 v- @7 d: J) x7 z1 u, z
1 Z+ ]; D A/ j6 V. a1:大小球盘为2.5球(G=2.5)
' [) E* e f5 n* U" W
/ g. P% z2 t# ~- P/ @; u4 G在大小球盘为2.5球时,投注大球的回报总数额为:8 d* y4 z7 J; S' g
K=0 D0=0 ( S3 E! R/ W/ t
K=1 D1=0 6 [. L' a; D6 t, b, Z9 b
K=2 D2=0
# \- y5 z1 ]$ z6 wK=3;4;....x D3+= {Bo* O
3 i) w3 N7 N$ \8 X+ D) u8 z
% m+ c1 `' x5 | j7 P* L: {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 m+ W# W7 [2 d7 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。 q) }6 ?, z1 }: I. Z
∑D=Bo* O*(1-P0-P1-P2)=Bo
/ }4 J4 I5 {& x/ Z; K O*(1-P0-P1-P2)=1
- ^7 f# f* A: h% _5 l 在此盘口下,大球的赔率为 O=1/(1-P0-P1-P2)% x- L2 s+ v2 Y' @$ P6 n- K
或者表述为 O=1/∑Pn----------(这里n=3;4;……x)
' |: X; n! d, X. j9 s; g
% R* {( \9 h5 G7 R' A8 H在大小球盘为2.5球时,投注小球的回报总数额为:
9 i( O4 L5 \# o ]% f: rK=0 X0=Bu*U
: P/ {2 C D" D6 IK=1 X1=Bu*U ( H4 \: Q6 k; a+ t2 m( F9 u
K=2 X2=Bu*U 2 Y1 h3 l5 S1 B& _& f5 y
K=3;4;....x X3+=0
- k: w3 w) \$ ^8 W5 Z! F0 K. \. O) ?. a2 P1 ^
投注小球的期望回报总数为:∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U
* P. D! R- r) w7 @ 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。
) b: C+ ~* o0 a# j4 r ∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U=Bu
( P q. S( N% O# V9 f5 a U*(P0+P1+P2)=19 l6 T5 S8 `3 i9 `, B
在此盘口下,小球的赔率为 U=1/(P0+P1+P2)
, X3 u4 p, \- g, @8 T8 F: y9 F5 M
2:大小球盘为3球(G=3)& n" L4 V) H2 j# y
/ ^" l1 I1 B' G0 t
在大小球盘为3球时,投注大球的回报总数额为:
( a9 T/ H' _. {9 PK=0 D0=0 ' e5 g) x& r% M4 h! l" r1 e
K=1 D1=0
8 j6 z$ J m" C; dK=2 D2=06 X" o: @( R# s1 J6 q
K=3; D3= Bo" B7 s4 l$ Y9 H1 V8 D
K=4;5;....x D4+= {Bo* O
/ o O& E8 }! K2 D6 L& w6 L3 E5 }- a2 B- }! J$ n; A( g
投注大球的期望回报总数为:
^/ ^# ^+ c/ k: y0 u* e/ `∑D=P3* Bo +Bo* O*(∑Pn-P0-P1-P2-P3)= P3* Bo +Bo* O*(1-P0-P1-P2-P3)
X1 W: v# w7 W, X4 s5 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。$ ?2 T3 \2 c; o6 `5 W6 [
∑D=P3* Bo +Bo* O*(1-P0-P1-P2-P3)=Bo
: {' ^5 U7 z8 l P3+ O*(1-P0-P1-P2-P3)=1
, n$ l! p8 s% @8 T! h' N. U3 P8 T+ K 在此盘口下,大球的赔率为 O=(1-P3)/(1-P0-P1-P2-P3)
4 g3 G0 I1 V/ h6 ^2 G1 P( `9 l 或者表述为 O=(1-P3)/∑Pn----------(这里n=4;5;……x)
# q. V/ q5 i( f3 O
( b0 t' `* t8 p+ g3 F# A在大小球盘为3球时,投注小球的回报总数额为:" \/ l, l5 `: ]0 ~+ M' O
K=0 X0=Bu*U 7 p$ t: m8 I9 R8 M6 ~2 J1 L0 Q
K=1 X1=Bu*U
, W; ?+ X6 L, S( }/ G3 HK=2 X2=Bu*U
3 Y8 T. q8 s7 O* S* E( j7 LK=3 X3= Bu( }( T% U. m& N4 x1 X1 p/ S
J=4;5;....x X4+=0
5 @; E9 L1 Q* w% o- [9 }
7 V0 r; j, M2 c% c5 g, P投注小球的期望回报总数为:∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu
; @% {4 j+ ]2 x2 f$ ]. F5 Y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。! R# K: x+ Z+ J5 m
∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu =Bu
; ?5 j8 y5 P( x4 g5 R U*(P0+P1+P2)+P3=1
2 Y( E4 c% U3 Q: s 在此盘口下,小球的赔率为 U=(1-P3)/(P0+P1+P2). e! @- a( s z. P) @) ?) i1 P
. l: |5 n' _- z1 v* a7 G% f
3:大小球盘为2.5/3球(G=2.5/3)/ w2 ?- A9 N: N! z
7 L1 R' T# Y" L在大小球盘为2.5/3球时,投注大球的回报总数额为:
4 y/ Z2 d0 K: y; w! l; U/ d kK=0 D0=0
: g6 C3 L1 b0 V, Z4 {K=1 D1=0 1 t6 O; A& [6 \# y6 W% z3 V
K=2 D2=0
0 s0 Y8 I$ e/ N4 Q1 kK=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)! ^& X4 h" ~" q9 p/ U2 k
K=4;5;....x D4+= {Bo* O
$ Y: l. N2 J$ x# @! Q" z& S
" F: A4 ?: r! j0 x Y投注大球的期望回报总数为:9 h3 H% L+ x6 H
∑D=P3* Bo/2 +P3* O*Bo/2+Bo* O*(∑Pn-P0-P1-P2-P3)& K: Y4 {: i1 E0 T8 x: K
= P3* Bo/2 +P3* O* Bo/2+Bo* O*(1-P0-P1-P2-P3)
Z q# v O. l, d7 W( Q# x7 d* 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。, j$ \5 S3 _ L$ e" Z
∑D=P3* Bo/2 +P3* O* Bo/2+Bo* O*(1-P0-P1-P2-P3)=Bo+ O) g V& ]; J% q
P3/2+ O* P3/2+O*(1-P0-P1-P2-P3)=1+ J- C) T( z: E4 H2 z; q# ~
O*(1-P0-P1-P2-P3+ P3/2)=1- P3/2
1 L% u8 x T& ~0 N( ~+ q 在此盘口下,大球的赔率为 O=(1-P3/2)/(1-P0-P1-P2-P3/2)
# h# f' u( K3 D
% I: q- u# l- Y4 e在大小球盘为2.5/3球时,投注小球的回报总数额为:
3 e6 ^6 {$ I2 b. t, W uK=0 X0=Bu*U
C4 S2 M6 V- }3 h' U7 q' s3 g% }K=1 X1=Bu*U
9 h& y* Q5 H. B! WK=2 X2=Bu*U 3 S9 L" E* }! G5 z; H6 f# W
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)
# ^2 O! g& ~* VJ=4;5;....x X4+=0
, y1 l+ Q1 `# L" C/ j& J- u8 @" w/ @7 A+ q C1 y9 d4 j
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* a- J4 V) j; _/ o" 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/ a: ~; a; p
∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2 =Bu
6 _" H* E) ^8 u, Z8 d U*(P0+P1+P2)+P3/2=1, {/ b( a$ T. h* F
在此盘口下,小球的赔率为 U=(1-P3/2)/(P0+P1+P2)5 R8 n' f, a( j" G4 \3 F( `( O
' I. Y2 L' Z* g5 h7 |9 u [! B4:大小球盘为3/3.5球(G=3/3.5)" v8 ?) f, X" a2 Y
# ^+ w9 F, P! \
在大小球盘为3/3.5球时,投注大球的回报总数额为:
( f5 N8 I" N9 R, H* {K=0 D0=0
0 x& N, e" i8 YK=1 D1=0
1 ~7 S! ]# ?+ m! zK=2 D2=0
- x$ f* l: y& q/ pK=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)
( d2 i" Q8 H7 z; o) K6 B7 T: VK=4;5;....x D4+= {Bo* O
4 ]* E% c' H) b3 I" L( U5 m' l& X' V% S9 S* B; b
投注大球的期望回报总数为:4 R8 u: E* D3 _- }9 T: d/ s
∑D=P3* Bo/2 + Bo* O*(∑Pn-P0-P1-P2-P3)4 J! b( q; c, C. m' j' k, x9 c
= P3* Bo/2 + Bo* O*(1-P0-P1-P2-P3)
8 L s V$ _7 r) Q: a, ~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 q' @2 g& q4 Z' [% f' z* p ∑D=P3* Bo/2 + Bo* O*(1-P0-P1-P2-P3)=Bo
" |0 {; i: Z4 M% f) H P3/2+ O*(1-P0-P1-P2-P3)=1
% |/ \- p i4 b+ N+ {+ {6 q O*(1-P0-P1-P2-P3)=1- P3/2
# Q; s! w6 k6 e( S 在此盘口下,大球的赔率为 O=(1-P3/2)/(1-P0-P1-P2-P3)
/ m7 z U6 y8 W2 D+ } 或者表述为 O=(1-P3/2)/∑Pn----------(这里n=4;5;……x)9 X# r; C* P3 O' l, _ L" L! F( d
0 |2 l9 B+ E5 o1 Y在大小球盘为3/3.5球时,投注小球的回报总数额为:/ b; w k" I8 {
K=0 X0=Bu*U
- h6 H* z. F7 a% C8 ]K=1 X1=Bu*U
|* V/ F# u- s) f. }K=2 X2=Bu*U . F5 F. G1 e, z0 \" O) f8 r/ _
K=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 N g) h- W- g v$ l
J=4;5;....x X4+=0& L8 h3 ^! w6 ?0 |. C1 X
; g5 ^7 c7 c6 a& K; d
投注小球的期望回报总数为:
; C' ?3 h2 L% u" e+ f5 a' g* z ∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2+ P3*U* Bu/2
! X/ b h/ g# ]) 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。
2 z4 a+ j+ d1 E* d9 D: e- N- e% m ∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2+ P3*U* Bu/2 =Bu4 C$ P: f: M: @# Z7 D* H
U*(P0+P1+P2+ P3/2)+P3/2=17 D) X) v& X! } ?- R! m2 i$ @
在此盘口下,小球的赔率为 U=(1-P3/2)/(P0+P1+P2+P3/2)$ k7 Z) S, Z8 r& M- B" B i
/ O+ n; k: ?+ a; j
. k8 M5 D$ x) ]! `1 q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.
& W7 P- A" l4 I! g9 Y- t( s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!
. v a+ C6 o2 H0 L$ S8 s& n& {0 z" w
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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