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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。2 g) l/ U/ i0 d3 X4 c3 i
我们先引入下列符号:
; J# C+ T! U6 ?* R% ]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。; Y+ M. W4 l0 I0 [/ M2 A0 z
即:P0=全场进0球的概率;P1=全场进1球的概率;……。. t: @% A* A* e6 q- H
那么 ∑Pn=P0+P1+P2+……+Px=100%。
. h' M% h. o- L6 p9 Z- B& V% gBo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。
' p2 U5 D2 A6 [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。4 k' D+ u& F9 a6 M$ b0 b6 t( P. t! z
/ o |; O6 {8 T/ h6 o) ]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。' ?5 n j6 |7 I4 K: T# S( g" g
在任意盘口G下,全场比赛会出现如下3个结果:
, m2 w0 A5 k- k/ Y, q) g" p, H* X1:K>G 即出现我们通常所说的大球。! e% `- p3 m7 p+ G5 Z! Z
2:K=G 即出现我们通常所说的走盘。 {$ }4 f3 W$ |: b0 W
3:K<G 即出现我们通常所说的小球。
. }3 `+ w% ~" Q) L! o9 B% B+ V( Q9 O6 @& ~$ L8 E" g! V; W
那么在此盘口下投注大球的回报总数额为:! X! h9 C' D L1 j
D1:(K>G)={Bo* O 即赢盘获得与此盘口相对应赔率的回报。
# L& n# J! i8 {( _3 J9 T. f: p4 QD2:(K=G)={Bo 即走盘退回本金。
, k% {. y3 |1 U0 Y, [D3:(K<G)={0 即输盘失去本金。( ^- R8 T2 O+ |' p+ M3 {
5 R \# Q, e$ o" H/ V# A/ Q
同理在此盘口下投注小球的回报总数额为:
+ G& t' \+ W0 `# G9 N7 B4 LX1:(K>G)={0 即输盘失去本金。; {9 M1 @1 t4 t6 }8 u% m
X2:(K=G)={Bu 即走盘退回本金。+ N5 w% ]/ R* }: F% c. F
X3:(K<G)={Bu*U 即赢盘获得与此盘口相对应赔率的回报。
+ l# E2 L4 x: I D2 n, U# ?& D9 ]3 Z+ o5 A
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。- w4 G% a" l. C: r" B0 L" R, |
5 Z. j( _8 M% \1:大小球盘为2.5球(G=2.5)
: k9 Z3 E( B ^6 z4 [6 H
* {5 G- `2 ?& ?5 t: M* a) m在大小球盘为2.5球时,投注大球的回报总数额为:
, Z' j& t7 @( b) m7 yK=0 D0=0 . a6 S3 ~- _3 ^5 |
K=1 D1=0 . h4 f5 B6 B7 l0 m; s8 s
K=2 D2=0
- D* {' m0 V6 _% }9 z9 Y% @. F- bK=3;4;....x D3+= {Bo* O
2 Q* |, [$ K2 _, N2 x( w2 A6 Q. W. W' V2 t: ` N1 Q
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)
7 Z: W5 v. X. 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。
* Z" J' g$ C7 t6 a! f. {6 S ∑D=Bo* O*(1-P0-P1-P2)=Bo
2 Z/ u# R8 U7 T6 f" Z! u/ h: j1 g O*(1-P0-P1-P2)=1
" p/ G: j; f* |8 \: L4 {, }6 S 在此盘口下,大球的赔率为 O=1/(1-P0-P1-P2); U$ z. c' F, N8 N( }
或者表述为 O=1/∑Pn----------(这里n=3;4;……x)2 P. _: ?) I) L% y9 |, I4 C6 ~
" h: U$ ~8 `) Q) _+ V
在大小球盘为2.5球时,投注小球的回报总数额为:8 o' e6 y( P5 U3 h7 K1 @. z/ n
K=0 X0=Bu*U + t- M, v+ N; V- b9 l5 H5 ]3 K
K=1 X1=Bu*U
1 {! ]6 ~0 k+ V6 y& tK=2 X2=Bu*U
* q5 W5 ?3 r3 ]1 uK=3;4;....x X3+=0
9 ?3 ]( }/ m1 x! P, j7 m& \; B
. e( \# r# K) J8 A0 H投注小球的期望回报总数为:∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U7 z4 \7 P' w' d, D# v: 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。
, ~% B* C/ J+ y' _9 `+ c8 K ∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U=Bu
7 T0 N+ C2 I7 v) x1 o. ] U*(P0+P1+P2)=1
# l2 O* i, S( z" X9 \* Q+ P 在此盘口下,小球的赔率为 U=1/(P0+P1+P2) F- u# w0 J' u, P4 P$ ~5 M/ s
0 ?/ \2 v6 b, W1 ^. N s2:大小球盘为3球(G=3)
( F% y% B9 z1 l& d& P( v/ h/ u& y; J
在大小球盘为3球时,投注大球的回报总数额为:
. |8 J: G& v5 \" A+ |; i& l; v8 AK=0 D0=0
4 f9 z! e7 A) Y. W3 h3 C: r' D9 KK=1 D1=0 ) } I, F: V( a
K=2 D2=0' G5 V% S% q# I- d' o. j8 [# b
K=3; D3= Bo" R) ~( x C/ }& Q- e1 j, x
K=4;5;....x D4+= {Bo* O
+ Q/ R: L' h1 b; q; u3 r
: ^1 I7 g9 d% b! `# Z投注大球的期望回报总数为:& v: a* J( e. o0 W. u) K2 c
∑D=P3* Bo +Bo* O*(∑Pn-P0-P1-P2-P3)= P3* Bo +Bo* O*(1-P0-P1-P2-P3)
7 R3 p6 c, C, 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。
2 g2 `( R5 t+ I: d2 |5 c, f# m# p& A8 q ∑D=P3* Bo +Bo* O*(1-P0-P1-P2-P3)=Bo
3 E( ]8 _% u N2 s5 g P3+ O*(1-P0-P1-P2-P3)=1% _6 I8 P1 z( S- u
在此盘口下,大球的赔率为 O=(1-P3)/(1-P0-P1-P2-P3). X3 v) z! Z6 ]; q) Z1 G
或者表述为 O=(1-P3)/∑Pn----------(这里n=4;5;……x)$ E0 r- @8 B- G; D+ k2 D
: `& G; p( T$ M8 a- d( v在大小球盘为3球时,投注小球的回报总数额为:
, m5 k- l% A4 u% {4 YK=0 X0=Bu*U
) c9 f5 v% T% `/ g) s- hK=1 X1=Bu*U
" X0 ^1 f$ L1 _- G7 jK=2 X2=Bu*U . J3 B" N: l& e f
K=3 X3= Bu" |# E: m Z4 O& C0 y3 H
J=4;5;....x X4+=0: s' \; v/ ^# B0 F) j
1 Z, S" ~' i4 i投注小球的期望回报总数为:∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu
# V3 T5 a' ?* 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。4 b" H M* ?' q$ J: w
∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu =Bu
0 |, r0 D+ \ l/ H w) W) z6 N: T U*(P0+P1+P2)+P3=1+ s; s7 \7 g5 ~( [. K1 n
在此盘口下,小球的赔率为 U=(1-P3)/(P0+P1+P2)
, @2 y* i0 K# P$ @$ g4 _! k* p, X- @' w! r% H' S. Q
3:大小球盘为2.5/3球(G=2.5/3): ?4 {2 V' D9 q
) {% n, U4 T% q% `5 x* ]
在大小球盘为2.5/3球时,投注大球的回报总数额为:7 {3 Z4 y7 x4 `9 z2 U
K=0 D0=0 & N/ x- I8 ?1 d# ~- d4 `1 {
K=1 D1=0
# _; o0 H+ y; `$ |( J( b5 xK=2 D2=0* K5 Z$ G2 Q8 |' q, `# F3 J3 X3 T
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)1 y- U7 f3 u, m4 I, c4 N( `9 ]. K
K=4;5;....x D4+= {Bo* O
( L/ @9 N$ ]4 X& R& s, a8 j; N% y9 C& Y2 V* s: V7 `' n
投注大球的期望回报总数为:
' X; C" }; j4 F( O' I ∑D=P3* Bo/2 +P3* O*Bo/2+Bo* O*(∑Pn-P0-P1-P2-P3)
# S. i/ U( g% f# d* [ = P3* Bo/2 +P3* O* Bo/2+Bo* O*(1-P0-P1-P2-P3)5 R. S4 V$ A: T! t4 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。
6 a/ q$ s% p1 ?1 b% A0 v ∑D=P3* Bo/2 +P3* O* Bo/2+Bo* O*(1-P0-P1-P2-P3)=Bo. X4 I/ P* M2 K( _ f$ [$ w0 f
P3/2+ O* P3/2+O*(1-P0-P1-P2-P3)=19 R( v0 R0 z2 e7 y) O' b$ z q" }
O*(1-P0-P1-P2-P3+ P3/2)=1- P3/2
. V' x" J! l5 r2 S; l$ l 在此盘口下,大球的赔率为 O=(1-P3/2)/(1-P0-P1-P2-P3/2)
! o! a- _+ U7 g+ v# C2 I
; x/ Q2 R3 Q, U6 {/ e3 f4 Q在大小球盘为2.5/3球时,投注小球的回报总数额为:' t7 S; V% s6 U6 p" n) y
K=0 X0=Bu*U $ ^" `" \, `& C- h: I0 D& q
K=1 X1=Bu*U
9 y$ ?4 u0 u ]$ ?, TK=2 X2=Bu*U 0 {6 l `- Z. l
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)
; L7 ]' i: U; x: ^$ G4 iJ=4;5;....x X4+=06 C: q" v, ` @$ e5 m7 K; L2 Y) d
" Y) S! J2 d% E: E6 b2 E3 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/29 Y" ?! N v0 K; t5 `0 ]
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 |1 A# l' M9 q$ T/ h' Q ∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2 =Bu
" X. {4 P! `# t% e' B6 b" F U*(P0+P1+P2)+P3/2=1) W) b, S/ j3 |3 k
在此盘口下,小球的赔率为 U=(1-P3/2)/(P0+P1+P2)4 w8 J1 } ^4 g$ w+ W+ f* }
D. ]* ?& [1 x4:大小球盘为3/3.5球(G=3/3.5); s9 B$ D+ l3 N/ o
) H0 x, j2 p* @在大小球盘为3/3.5球时,投注大球的回报总数额为:7 r2 {% z0 I1 Z/ f, q Y7 t9 ], j. t
K=0 D0=0
; N, q3 k; G6 [6 YK=1 D1=0 6 w. |, ^2 z3 Q* A: z$ g; J
K=2 D2=0
0 A5 C/ s# ^& _. z% r+ x/ N% SK=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)4 x9 b9 \; k; y8 X
K=4;5;....x D4+= {Bo* O & |2 h, b3 D6 \7 j
5 V. s3 C6 N. o% T投注大球的期望回报总数为:
0 y; K0 ]& ]9 C* o: G0 T1 u ∑D=P3* Bo/2 + Bo* O*(∑Pn-P0-P1-P2-P3)
# d: Z, ?) a1 H& q: j, | = P3* Bo/2 + Bo* O*(1-P0-P1-P2-P3)
0 i0 Z. H3 |- z5 Y5 t. w7 s" ?2 F# R! `. 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。
2 `3 w/ c& r4 T, q ∑D=P3* Bo/2 + Bo* O*(1-P0-P1-P2-P3)=Bo3 x4 ?" ?- G, }+ G2 g9 \
P3/2+ O*(1-P0-P1-P2-P3)=1
' v: _" y3 a {8 [" y O*(1-P0-P1-P2-P3)=1- P3/2% q; J9 n: u2 Q1 y# h7 I |
在此盘口下,大球的赔率为 O=(1-P3/2)/(1-P0-P1-P2-P3)
6 S, a$ Y7 |& O% j" ] 或者表述为 O=(1-P3/2)/∑Pn----------(这里n=4;5;……x)& x# L4 W. t, d5 V
* }* C% L L. k2 k
在大小球盘为3/3.5球时,投注小球的回报总数额为:4 u3 {8 L. v! v+ O
K=0 X0=Bu*U / x: w, ^6 u. O) \8 j
K=1 X1=Bu*U
% i' u7 O. z F2 m* P' wK=2 X2=Bu*U
# o8 I. ?& L- l9 {+ f2 \6 d! ~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)$ W& {1 m' O V' |2 \. ^
J=4;5;....x X4+=0* R7 j/ ?3 C0 L K# S. m) V
) r* k2 g9 M/ e) }投注小球的期望回报总数为:' Q6 a0 e& i6 y9 ]: D
∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2+ P3*U* Bu/2
6 P- h; i9 E: e1 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。
% O6 K! k& U' x) B; z& n ∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2+ P3*U* Bu/2 =Bu
6 G9 C, Z* U) u! e* {7 d7 F' X U*(P0+P1+P2+ P3/2)+P3/2=1
. ~, j z% P. k2 t( [7 E1 H6 [1 [ 在此盘口下,小球的赔率为 U=(1-P3/2)/(P0+P1+P2+P3/2)" _$ ]3 B% O; `/ {% A
m2 z, [# N& `9 c w
7 Y' M8 _% G2 o) y1 [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.
# H/ F1 F4 L" f. ^% F) | w! Y; O1 a% X3 a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!
1 H; r) f& e' s+ @$ q) s* e6 a7 }( ^0 s! P: L2 B
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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