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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。' c, G# u3 {3 x" E
我们先引入下列符号:
- z0 H. K b2 V. d# J4 H; a0 W' G! }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。
S( x, s. e3 q# c即:P0=全场进0球的概率;P1=全场进1球的概率;……。: O9 \5 T, s; | u' T/ x/ @2 b) M
那么 ∑Pn=P0+P1+P2+……+Px=100%。" X5 ]. t' Y% C- \6 ]6 T1 ~: \4 @
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。 f- F9 T( a# r2 c8 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。
; p, w& [( h+ g$ @& R M3 x
) S8 x: W; T% C4 G6 Q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。7 i9 A/ N$ J- Y0 N+ S. O
在任意盘口G下,全场比赛会出现如下3个结果:5 i% N/ K8 P4 J* L3 p9 o0 |
1:K>G 即出现我们通常所说的大球。7 {" m+ A6 G5 O! T
2:K=G 即出现我们通常所说的走盘。
- ]6 l- c4 R) h4 j2 b! M- c3:K<G 即出现我们通常所说的小球。9 q6 I0 f) ]* r; T- t. d
, a& [& X0 R) ?% m那么在此盘口下投注大球的回报总数额为:+ ^& o3 R) _, d3 l7 _( P0 A! _
D1:(K>G)={Bo* O 即赢盘获得与此盘口相对应赔率的回报。
" c, E/ S S2 V. I* ?8 n( Q" fD2:(K=G)={Bo 即走盘退回本金。
O' b0 X9 |6 u9 B" A+ G+ x" _5 KD3:(K<G)={0 即输盘失去本金。% s7 T, i6 w2 C5 g9 a
! X- p6 Y3 b% ` D7 S3 |/ L
同理在此盘口下投注小球的回报总数额为:
. x6 O( I& G( K g+ WX1:(K>G)={0 即输盘失去本金。8 W) n9 i7 B$ L, h; `: `1 Q
X2:(K=G)={Bu 即走盘退回本金。( I0 ]) z y7 s! b E
X3:(K<G)={Bu*U 即赢盘获得与此盘口相对应赔率的回报。- R* S, V) F( l+ {' ~; H8 i1 c
1 i0 F1 a0 g3 ^6 z4 y3 ]
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。/ _; T# k+ ]3 l0 r
% H8 ~2 r) m8 C2 D8 g! F1:大小球盘为2.5球(G=2.5)
8 j& v1 `+ c P. F/ y' i4 k* b) Z: R7 u) s) G
在大小球盘为2.5球时,投注大球的回报总数额为:# T9 y" E. h' H
K=0 D0=0
) J _3 e- l0 w, x4 D- VK=1 D1=0 0 L/ T% X; w3 Y( ~8 g" [) Y9 _
K=2 D2=0
. Y9 @7 H3 o7 k7 @K=3;4;....x D3+= {Bo* O
, b1 y9 \' {+ U x! R& }6 ?& L
6 Y" u& Y: W$ b$ m0 O2 f7 d: 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)/ K- k% Y* P, `! a* g) 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。' p9 N7 K3 z- q# X, Q k3 o7 F
∑D=Bo* O*(1-P0-P1-P2)=Bo" S+ s% {( S, v- d: d
O*(1-P0-P1-P2)=1
& D3 ^0 {, T) u( }! c. w) m" m 在此盘口下,大球的赔率为 O=1/(1-P0-P1-P2)7 j- k q) C5 A7 G, G
或者表述为 O=1/∑Pn----------(这里n=3;4;……x)" ]2 P7 z) r, M7 P. ]( [1 |
4 H# P5 D! H6 T4 W) r8 \
在大小球盘为2.5球时,投注小球的回报总数额为:1 X4 ]# u% Z! u x' z5 }
K=0 X0=Bu*U : Y+ A, z, D* c. X: @5 h
K=1 X1=Bu*U
* d4 f) R( L% i/ d& b1 r% UK=2 X2=Bu*U 9 O; e* }% e/ |- q* L" Q$ `8 q( T- |
K=3;4;....x X3+=0# |- Q( F! H8 Z' C6 i
& P, Q. _, a( d0 q! G
投注小球的期望回报总数为:∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U
0 w0 T+ ^ a7 H; C: C3 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。
) Y! F! X5 w0 g: ?- @# I8 E ∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U=Bu" }8 G0 e5 K; U4 B
U*(P0+P1+P2)=1
2 k0 h, H" n$ T2 w4 t5 f& g 在此盘口下,小球的赔率为 U=1/(P0+P1+P2)& B* [/ |, R; L" y* s9 _+ H7 j
# _/ Q2 e8 P2 Y3 E2:大小球盘为3球(G=3)
2 c9 f# W/ M* P
' R0 G1 }: ` N& ~3 }1 h+ H7 [在大小球盘为3球时,投注大球的回报总数额为:8 Z8 B+ ^3 j9 C" \+ ?
K=0 D0=0
2 |9 Q# ?# `3 Z4 }9 nK=1 D1=0 5 O# v# ~0 @: D' j+ N
K=2 D2=0
# v7 |6 t# I8 _+ ~K=3; D3= Bo t5 v3 g- M6 {/ |) ^: l' Q2 u8 z
K=4;5;....x D4+= {Bo* O
) h, i& j2 u" y: }( P2 A4 w/ |$ z/ h7 m7 j, L. X
投注大球的期望回报总数为:
' z# Z5 J8 U; o6 X; Z o2 _∑D=P3* Bo +Bo* O*(∑Pn-P0-P1-P2-P3)= P3* Bo +Bo* O*(1-P0-P1-P2-P3)2 Y3 N. ]: E0 y7 m2 p4 I; 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。; d; p) [3 w( ]3 ]0 ^
∑D=P3* Bo +Bo* O*(1-P0-P1-P2-P3)=Bo8 r8 ~& R' G) p
P3+ O*(1-P0-P1-P2-P3)=1' |/ [' p9 U4 b2 [
在此盘口下,大球的赔率为 O=(1-P3)/(1-P0-P1-P2-P3)- u/ Z4 o% r1 c0 D% a1 {! P$ r$ C1 y
或者表述为 O=(1-P3)/∑Pn----------(这里n=4;5;……x)
7 Y- _, Q4 ]% i8 K/ P3 ^5 d2 C5 b0 a3 v
在大小球盘为3球时,投注小球的回报总数额为:
/ N$ [4 D$ m: O" F& Q# JK=0 X0=Bu*U
X- F* i" f$ @3 L6 K* v3 hK=1 X1=Bu*U
6 Y! ~, |3 }5 Q( U9 X( V# F/ JK=2 X2=Bu*U ; d/ l0 |! t- i" K- a8 w" _4 m4 S% ~
K=3 X3= Bu2 S1 k1 p- v$ L- r& S
J=4;5;....x X4+=0- _ p C" r- z [% v" q
+ T! m! Y# p' F( J% L投注小球的期望回报总数为:∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu
! R8 S% C) M/ i% y' P% 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。" V; {/ Q& j" f
∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu =Bu6 L- F/ N6 h( ~+ ~
U*(P0+P1+P2)+P3=1& ^: k6 d' |6 d, L& b. s
在此盘口下,小球的赔率为 U=(1-P3)/(P0+P1+P2): v, [) q* Z7 \3 b9 j
6 k; e$ j9 u# R3:大小球盘为2.5/3球(G=2.5/3)
6 v" Z" X- b; S: c# l5 Y
! e# w4 {+ |* }' T% Q' s% C在大小球盘为2.5/3球时,投注大球的回报总数额为:
5 w9 v1 q$ r7 T) w/ u( B2 {K=0 D0=0 + b; L3 h! Q% r2 M" e7 A3 p
K=1 D1=0 6 y0 P' w4 L7 _7 L
K=2 D2=0
5 F6 x" L, x" Y; eK=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)2 {! e8 Q" j( T5 ^) i0 [$ o3 [3 ~
K=4;5;....x D4+= {Bo* O 3 j* e9 `/ m! z
8 f- |8 B; [/ r V- O
投注大球的期望回报总数为:
4 L+ c7 M/ C9 v3 s- ` ∑D=P3* Bo/2 +P3* O*Bo/2+Bo* O*(∑Pn-P0-P1-P2-P3)$ H3 o) O$ g s
= P3* Bo/2 +P3* O* Bo/2+Bo* O*(1-P0-P1-P2-P3)
0 J% s4 e) H7 |- _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。( A$ D- j. |% N. P/ o
∑D=P3* Bo/2 +P3* O* Bo/2+Bo* O*(1-P0-P1-P2-P3)=Bo( S9 ^" u! D8 [+ N. N
P3/2+ O* P3/2+O*(1-P0-P1-P2-P3)=1
9 X/ _+ r2 C' W/ O( ` O*(1-P0-P1-P2-P3+ P3/2)=1- P3/2% \8 s& L, v0 m+ Q7 R) z. K0 {$ B- c
在此盘口下,大球的赔率为 O=(1-P3/2)/(1-P0-P1-P2-P3/2) ! @$ b/ `1 M$ B, o
/ m# ~7 H2 `$ q2 N1 m% y% Z( N
在大小球盘为2.5/3球时,投注小球的回报总数额为:
* B3 z3 H7 e& ?$ D) g4 S5 D, ZK=0 X0=Bu*U , [9 [5 M" u& e
K=1 X1=Bu*U
* R8 q3 U0 i+ a7 }+ k; {K=2 X2=Bu*U + W5 ~& K8 I) x2 Q# E! h
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)
5 C9 s G6 _# b+ m3 RJ=4;5;....x X4+=0) g+ f) l+ H: z8 v
7 R2 ]( H% t1 |3 ^+ B3 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
5 V: m% U' Y* I) R$ }. E& D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) K$ n: {& V
∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2 =Bu' a7 L" N; O) P! ~; q! J$ }
U*(P0+P1+P2)+P3/2=1
) m/ x" }/ d1 b6 b 在此盘口下,小球的赔率为 U=(1-P3/2)/(P0+P1+P2) s% B# o6 Z) i" f. W% j3 j/ Z2 c
! G4 L! |+ o* T s, j! n4:大小球盘为3/3.5球(G=3/3.5)0 I8 K0 K* e/ g) o5 b2 l/ K
/ C$ G+ K5 t) p4 V* X( U4 ]
在大小球盘为3/3.5球时,投注大球的回报总数额为:" n" H; K% _6 [2 p
K=0 D0=0 6 @2 f( n N: B6 y1 Z
K=1 D1=0 $ V. X, _( a9 C& V
K=2 D2=0
3 D+ y2 V5 Q- W. vK=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)
. w& X2 `8 O3 u( I4 c+ o {2 j- RK=4;5;....x D4+= {Bo* O % Q% u' F9 |0 D' M: j
. [; h$ H9 y/ k% ^7 W
投注大球的期望回报总数为:# U9 w5 b# o: B: N) C9 [
∑D=P3* Bo/2 + Bo* O*(∑Pn-P0-P1-P2-P3)1 p, P. g7 J2 Z; i4 \! c/ d
= P3* Bo/2 + Bo* O*(1-P0-P1-P2-P3)
U! T6 L' G* S! r3 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。
- l$ b! X% b; W& E+ W7 \) ~% K: m ∑D=P3* Bo/2 + Bo* O*(1-P0-P1-P2-P3)=Bo0 G. K3 {0 m/ F0 b
P3/2+ O*(1-P0-P1-P2-P3)=1
; ~$ v7 m3 G P# ?' |7 Q O*(1-P0-P1-P2-P3)=1- P3/2
0 Y' r8 |4 _& o5 ] 在此盘口下,大球的赔率为 O=(1-P3/2)/(1-P0-P1-P2-P3)
" A- Z: O+ \3 k+ ]! y# r% l0 A4 x v 或者表述为 O=(1-P3/2)/∑Pn----------(这里n=4;5;……x): u5 Z+ g- i& G' i
9 v4 b m4 [0 r4 f$ ~1 g+ A在大小球盘为3/3.5球时,投注小球的回报总数额为:$ n- T r# t- X/ W% A/ B9 ]! }
K=0 X0=Bu*U
- a, p) G& X# v# m2 ] oK=1 X1=Bu*U : T& R; o7 B4 m6 Z
K=2 X2=Bu*U
6 s) R3 ?5 k7 i0 ? oK=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+ v" j% g0 H9 I) S+ C4 n
J=4;5;....x X4+=01 ~( t1 s4 o; ?8 L4 ~7 |+ K
5 }% o, t9 R1 V' D. p/ x
投注小球的期望回报总数为:
* s3 Y1 o! O3 N* Q- Q, Q4 L+ y9 c ∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2+ P3*U* Bu/2
# X4 `" l/ f7 i( w1 _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。
% D4 h, c/ V" H ∑X=P0*Bu*U+P1*Bu*U+P2*Bu*U+P3* Bu/2+ P3*U* Bu/2 =Bu& M8 P! Y6 |2 m
U*(P0+P1+P2+ P3/2)+P3/2=1
" P( D, N" m0 f; J) B 在此盘口下,小球的赔率为 U=(1-P3/2)/(P0+P1+P2+P3/2); P7 o# V1 M& f
5 }8 i5 o! x4 Z0 b( z
" _1 Z4 `8 n, u$ C' 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.
6 C4 B: H1 M& o: T' |3 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!2 a, c7 t, @4 h; I
% c( j9 A2 _ z, F, a4 H, C8 w8 r0 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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