"Trong the gioi ca cuoc the thao day soi dong, cuoc xien (hay con goi la cuoc xien tong hop, cuoc xau) luon la lua chon hap dan boi kha nang mang lai loi nhuan khung chi voi mot so von dau tu khiem ton. Dac biet, cuoc xien 3 – ket hop ba keo cuoc rieng le thanh mot ve duy nhat – la cap do thu thach ly tuong cho nhung nguoi choi muon nhan boi niem vui va tien thuong. Tuy nhien, de chien thang, ban khong chi can may man ma con phai nam vung cach tinh cuoc xien 3 mot cach ro rang va chinh xac.



https://xoilac.beer/ - Nhieu nguoi choi moi thuong bi nham lan boi cong thuc tinh toan phuc tap, dan den viec khong biet so tien thang cuoc thuc te la bao nhieu. Bai viet nay se di sau vao ban chat cua cuoc xien 3, huong dan ban tung buoc tinh toan loi nhuan mot cach don gian, giup ban tu tin hon khi dat cuoc.



Cuoc Xien 3 La Gi? Hieu Ro Ban Chat Tro Choi



Cuoc xien 3 la viec ban chon ba su kien the thao (vi du: ba tran bong da) va dat cuoc vao ket qua cua ca ba su kien do tren cung mot ve cuoc. Dieu kien de ban thang cuoc xien la ca ba lua chon deu phai chinh xac. Neu chi can mot trong ba keo bi thua (hoac hoa, tuy thuoc vao loai cuoc), toan bo ve cuoc xien cua ban se bi mat tien.



Suc hap dan cua cuoc xien nam o ty le an thuong (odds) duoc nhan lai voi nhau. Neu ban chon ba cua co ty le an la 2.00, 1.80 va 1.50, ty le an tong hop se la $2.00 \times 1.80 \times 1.50 = 5.40$. Dieu nay co nghia la neu ban dat 100.000 VND, ban co the nhan ve 540.000 VND neu ca ba tran deu thang.



Cong Thuc Co Ban Tinh Tien Thang Cuoc Xien 3



Viec tinh tien thang cuoc xien 3 dua tren nguyen tac nhan tong ty le cuoc.



Tien Thang Cuoc = Tien Cuoc Ban Dau $\times$ (Ty Le Cuoc Tran 1 $\times$ Ty Le Cuoc Tran 2 $\times$ Ty Le Cuoc Tran 3)



De lam ro hon, hay xem xet mot vi du cu the:



Vi du Minh Hoa:



Gia su ban quyet dinh dat cuoc xien 3 vao cac tran dau sau:



1. Tran A (Keo Chau Au): Doi nha thang (Ty le cuoc: 2.50)

2. Tran B (Keo Chap Chau A): Doi khach +0.5 (Ty le cuoc: 1.90)

3. Tran C (Keo Tai/Xiu): Tai 2.5 ban (Ty le cuoc: 1.75)



Ban quyet dinh dat cuoc tong cong la 200.000 VND cho ve xien nay.



Buoc 1: Tinh Ty Le Cuoc Tong Hop (Odds Xien)



$$\text{Odds Xien} = 2.50 \times 1.90 \times 1.75 = 8.3125$$



Buoc 2: Tinh Tong Tien Thang (Neu Ca 3 Tran Deu Thang)



$$\text{Tien Thang} = 200.000 \text{ VND} \times 8.3125 = 1.662.500 \text{ VND}$$



Nhu vay, voi 200.000 VND, ban co co hoi thang duoc hon 1,6 trieu dong neu ba lua chon cua ban deu chinh xac.



Truong Hop Dac Biet: Tinh Tien Thang Khi Co Keo Bi Huy (Keo An Nua/Hoan Tra)



Day la phan phuc tap nhat trong cach tinh cuoc xien 3 ma nguoi choi can nam vung. Trong ca cuoc, doi khi mot tran dau co the bi hoan, huy bo, hoac ket qua khien ban chi duoc hoan lai mot phan tien cuoc (keo an nua).



1. Keo Bi Huy Hoan Toan (Push/Void)



Neu mot trong ba tran dau bi huy bo (vi du: do thoi tiet xau) va nha cai hoan tra toan bo tien cuoc cho keo do (ty le cuoc duoc tinh la 1.00), thi ty le cuoc xien se duoc tinh lai dua tren hai keo con lai.



Vi du: Neu Tran A (2.50) bi huy, ty le cuoc moi se la: $1.00 \times 1.90 \times 1.75 = 3.325$. Tien thang cua ban se duoc tinh theo ty le nay.



2. Keo An Nua (Half Win)



Truong hop nay thuong xay ra voi cuoc chap Chau A (vi du: chap 0.5/1) hoac cuoc Tai Xiu (vi du: Tai 2.75). Khi mot keo chi thang mot nua, ty le cuoc cua keo do se duoc dieu chinh thanh (Odds ban dau + 1) / 2.



Cong thuc tinh ty le an nua:



$$\text{Odds An Nua} = \frac{(\text{Odds goc} + 1)}{2}$$



Vi du: Neu Tran B co ty le cuoc goc la 1.90 nhung chi thang nua:



$$\text{Odds moi cho Tran B} = \frac{(1.90 + 1)}{2} = 1.45$$



Luc nay, ty le cuoc xien tong hop se la: $2.50 \times 1.45 \times 1.75 = 6.34375$.



Viec hieu ro cach tinh toan khi co keo an nua la cuc ky quan trong, vi no giup ban xac dinh duoc khoan loi nhuan thuc te thay vi nghi rang minh da thua cuoc xien.



Bi Quyet Tang Co Hoi Thang Cuoc Xien 3



Nam vung cong thuc la buoc dau, nhung de thanh cong lau dai voi cuoc xien 3, nguoi choi can ap dung chien luoc:



1. Khong Tham Lam Ty Le Qua Cao: Mac du ty le an cao rat hap dan, nhung viec chon nhung tran co ty le cuoc tren 2.20 cho ca ba keo se khien xac suat thang gan nhu bang khong. Hay uu tien su on dinh voi cac keo co ty le tu 1.50 den 1.85.

2. Phan Tich Chuyen Sau Tung Tran: Cuoc xien 3 doi hoi ban phai phan tich ky luong ba tran dau doc lap. Dung bao gio dat cuoc theo cam tinh hoac dat cuoc vao nhung tran ma ban khong co thong tin ro rang.

3. Quan Ly Von Nghiem Ngat: Vi tinh chat ""tat tay"" cua cuoc xien, hay gioi han so tien dat cuoc cho ve xien 3 o muc nho trong tong ngan sach cua ban (vi du: khong qua 5-10% tong von).



Tinh toan cuoc xien 3 khong he phuc tap khi ban nam vung nguyen tac nhan cac ty le cuoc. Hay coi viec tinh toan loi nhuan tiem nang nhu mot phan khong the thieu trong qua trinh chuan bi truoc khi dat cuoc. Khi moi con so deu ro rang, ban se tu tin hon de san tim nhung giai thuong lon!"



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