PHAN TICH CHI SO BAN THANG KY VONG KHONG TINH PENALTY (npxG) TAI BONGDATA

Trong linh vuc phan tich du lieu bong da cao cap, ben canh chi so Ban thang ky vong (xG) quen thuoc, cac chuyen gia hang dau the gioi thuong uu tien su dung mot chi so tinh khiet hon – do chinh la npxG (Non-Penalty Expected Goals) – Ban thang ky vong khong tinh cac qua phat den. Day la thuoc do chuan xac nhat phan anh nang luc tan cong thuc te tu bong song (Open Play) va cac tinh huong co dinh phoi hop cua mot cau lac bo. Bongdata tu hao cung cap he thong Thong ke chi so npxG chuyen sau cho cong dong nguoi ham mo Viet Nam.

1. Tai sao chi so npxG phan anh chinh xac suc manh hang cong hon xG tong?

Nhu da biet, mot qua phat den (penalty) luon duoc gan mot gia tri xG co dinh rat cao la 0.76 (76% co hoi thanh ban). Neu mot doi bong may man duoc huong nhieu qua phat den trong mot giai doan ngan, chi so xG tong cua ho se bi day len rat cao, tao ra mot su ao tuong ve mat suc manh tan cong.

Tuy nhien, phat den la yeu to phu thuoc nhieu vao quyet dinh cua trong tai va sai lam ca nhan cua hau ve doi phuong, khong phan anh cau truc chien thuat tan cong muot ma cua toan doi. Bang cach loai bo hoan toan cac qua phat den, chi so npxG tren Bongdata se phoi bay su that tran trui ve viec hang cong cua doi bong co thuc su biet cach phoi hop, xuyen pha hang thu doi phuong de tao ra cac co hoi dut diem ngon an tu bong song hay khong.

2. Ung dung chi so npxG cua Bongdata de phat hien ra cac sai lech ty le cuoc

Doi voi nhung nguoi choi ca cuoc bong da thong minh, chi so npxG tren Bongdata la mot vu khi toi tan de phat hien ra cac bay thong tin cua nha cai:

Phat hien doi bong bi thoi phong suc manh (Overpriced): Mot doi bong dang co chuoi tran thang lien tiep va ghi nhieu ban thang, nhung tra cuu tren Bongdata cho thay chi so npxG cua ho rat thap, da so ban thang den tu penalty hoac sieu pham sut xa may rui. Doi bong nay chac chan se sa sut phong do ghi ban trong tuong lai gan khi khong con duoc huong pen. Dat cua duoi chong lai ho la mot chien thuat thong minh.

Phat hien doi bong sap bung no: Nguoc lai, mot doi bong co chi so npxG rat cao qua tung vong dau nhung so ban thang thuc te lai it (do tien dao dut diem vo duyen hoac thu mon doi phuong qua xuat than). Som muon gi hang cong nay cung se bung no mot con mua ban thang tung bung o tran dau toi de giai toa tam ly. Dat cua Tai ban thang la vo cung khoa hoc.

3. He thong hien thi du lieu truc quan hien dai tai Bongdata

Bongdata cung cap chi so npxG duoi dang cac bang xep hang va bieu do cot vo cung truc quan, de hieu ngay ca voi nguoi moi bat dau tiep can bong da du lieu. He thong van hanh muot ma tren moi thiet bi di dong, toc do tai trang sieu toc va hoan toan mien phi, mang lai moi truong phan tich chuyen nghiep nhat cho ban.

4. Ket luan

Hay buoc vao ky nguyen cua bong da du lieu dinh cao, lot bo moi lop man suong mo ao cua cac con so tong hop de tiep can voi ban chat tinh khiet nhat cua chien thuat cung chi so npxG tren Bongdata.

Thong tin chi tiet: Dia Chi: 50 Nguyen Van Troi, Phuong 8, Quan Phu Nhuan, TP. Ho Chi Minh Hotline: 0702 731 948 Email: bongdata@gmail.com #bongdata #bongdatadev #kqbd #lichthidau