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  Tai Sao Thong Ke Bong Da Lai Quan Trong Den The? (8 อ่าน)

25 ก.พ. 2569 23:06

"Bong da khong chi la nhung pha bong dep mat, nhung ban thang man nhan hay nhung cuoc doi dau nay lua tren san co. Dang sau ve hao nhoang ay la mot the gioi du lieu khong lo, noi nhung con so biet noi len su that ve man trinh dien cua cau thu va doi bong. Neu ban la mot nguoi yeu bong da thuc su, khong chi xem cho vui ma con muon hieu sau sac hon ve chien thuat, diem manh, diem yeu cua cac doi tuyen, thi thong ke bong da chinh la chia khoa vang.



Tai Sao Thong Ke Bong Da Lai Quan Trong Den The?



bong da - Truoc day, viec danh gia mot doi bong thuong dua tren cam tinh chu quan cua nguoi xem hoac cac binh luan vien. Tuy nhien, ky nguyen so da mang den mot cuoc cach mang trong cach chung ta tiep can mon the thao vua. Thong ke bong da hien dai khong chi dung lai o ty so cuoi cung hay so lan dut diem. No di sau vao tung khia canh vi mo cua tran dau, tu ty le chuyen bong chinh xac, so lan thu hoi bong, den hieu suat luan chuyen bong o khu vuc 1/3 san doi phuong.



Nhung con so nay giup chung ta nhin thay nhung dieu ma mat thuong kho long nhan ra. Vi du, mot doi co ty le kiem soat bong cao chua chac da thang, nhung neu phan tich sau hon ve xG (Expected Goals - Ban thang ky vong), ta se biet duoc chat luong cua nhung co hoi ma ho tao ra. Mot doi bong co the dut diem it nhung lai co chi so xG cao hon doi thu, chung to ho tan cong hieu qua va chon vi tri dut diem thong minh hon.



Giai Ma Cac Chi So Thong Ke Bong Da Quan Trong Nhat



De lam chu cuoc choi phan tich, ban can nam vung mot vai chi so cot loi. Duoi day la nhung thuat ngu khong the bo qua khi theo doi cac ban phan tich chuyen sau:



1. xG (Expected Goals) va xA (Expected Assists)



Day la hai chi so ""than thanh"" trong bong da hien dai.



xG do luong chat luong cua mot co hoi ghi ban. Mot cu sut tu khoang cach 30 met co xG rat thap (vi du 0.05), trong khi mot pha doi mat thu mon o cu ly gan co xG rat cao (vi du 0.75). Bang cach so sanh xG thuc te duoc ghi voi xG ky vong, ta danh gia duoc kha nang dut diem cua tien dao (ho dang tan dung co hoi tot hon hay te hon ky vong) va su hieu qua cua hang cong.



xA tuong tu nhu xG nhung ap dung cho nguoi kien tao. No cho biet duong chuyen do tao ra co hoi ghi ban tot den muc nao, doc lap voi viec nguoi nhan bong co sut thanh cong hay khong.



2. PPDA (Passes Per Defensive Action)



PPDA la thuoc do tuyet voi de danh gia cuong do pressing cua mot doi. PPDA tinh trung binh so duong chuyen ma doi doi phuong thuc hien duoc truoc khi doi phong ngu thuc hien mot hanh dong phong ngu (nhu tac bong, cat bong, hoac gay ap luc buoc doi thu chuyen nguoc).



PPDA cang thap (vi du: 8.0), doi bong do cang pressing manh me va quyet liet, khong cho doi phuong co nhieu thoi gian giu bong. Nguoc lai, PPDA cao cho thay doi bong chon loi choi lui sau, phong ngu khu vuc.



3. Ty Le Thu Hoi Bong O 1/3 San Doi Phuong



Chi so nay phan anh muc do quyet liet cua doi trong viec gianh lai bong ngay lap tuc sau khi mat bong (Gegenpressing). Mot doi co ty le thu hoi bong cao o phan san doi thu thuong la doi kiem soat nhip do tran dau tot, buoc doi phuong phai mac sai lam tu phan san nha.



Thong Ke Giup Nguoi Ham Mo Va Chuyen Gia Nhu The Nao?



Doi voi nguoi ham mo thong thuong, viec nam bat cac chi so nay giup cuoc tranh luan tro nen sac ben hon. Thay vi noi ""Doi A da phong ngu qua hay,"" ban co the noi: ""Doi A co PPDA cuc thap va da be gay thanh cong 80% cac no luc luan chuyen bong cua doi thu trong 10 phut cuoi hiep mot.""



Doi voi cac chuyen gia phan tich, cac trang web chuyen sau ve thong ke bong da la kho tang du lieu khong the thieu. Ho su dung nhung du lieu nay de xay dung mo hinh du doan, danh gia hieu suat chuyen nhuong, va tham chi la dieu chinh chien thuat trong thoi gian thuc. Mot trang web dang tin cay cung cap du lieu chinh xac va duoc cap nhat lien tuc chinh la nen tang vung chac cho moi phan tich chat luong cao.



Dung Chi Xem Be Noi, Hay Dao Sau Con So



Bong da la mon the thao cua cam xuc, nhung de hieu duoc tai sao cam xuc do lai xuat hien, chung ta can dua vao du lieu. Thong ke khong lam mat di su lang man cua bong da, nguoc lai, no lam tang them chieu sau va su logic cho nhung gi dien ra tren san co.



Bang cach danh thoi gian tim hieu ve xG, PPDA va cac chi so nang cao khac, ban se khong chi la mot khan gia thu dong ma tro thanh mot nha phan tich tinh tuong. Hay bat dau hanh trinh kham pha the gioi du lieu bong da ngay hom nay. Nhung con so khong bao gio noi doi, va chung se tiet lo cho ban nhung bi mat ma huan luyen vien va chuyen gia dang theo doi hang dem!"

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bong da

bong da

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