Ty le keo nha cai la nguon thong tin giup nguoi choi tiep can nhung nhan dinh chuyen sau duoc xay dung tu du lieu thong ke, phong do hien tai, lich su doi dau giua hai doi, cung nhu cac yeu to nhu san bai va thoi tiet. Nho do, nguoi xem co them co so phan tich de danh gia tuong quan luc luong va kha nang thang thua cua tung tran dau mot cach ro rang hon.