VAR – B\u01b0\u1edbc ti\u1ebfn m\u1edbi trong qu\u1ea3n l\u00fd tr\u1ecdng t\u00e0i b\u00f3ng \u0111\u00e1 hi\u1ec7n \u0111\u1ea1i<\/figcaption><\/figure>\nTrong nh\u1eefng n\u0103m g\u1ea7n \u0111\u00e2y, c\u00f4ng ngh\u1ec7 VAR \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t ph\u1ea7n kh\u00f4ng th\u1ec3 thi\u1ebfu trong b\u00f3ng \u0111\u00e1 hi\u1ec7n \u0111\u1ea1i.\u00a0<\/span><\/p>\n\u0110\u00e2y l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p c\u00f4ng ngh\u1ec7 ti\u00ean ti\u1ebfn nh\u1eb1m h\u1ed7 tr\u1ee3 c\u00e1c tr\u1ecdng t\u00e0i \u0111\u01b0a ra nh\u1eefng quy\u1ebft \u0111\u1ecbnh ch\u00ednh x\u00e1c h\u01a1n, gi\u1ea3m thi\u1ec3u sai s\u00f3t v\u00e0 tranh c\u00e3i tr\u00ean s\u00e2n c\u1ecf. VAR kh\u00f4ng ch\u1ec9 thay \u0111\u1ed5i c\u00e1ch tr\u1ecdng t\u00e0i l\u00e0m vi\u1ec7c m\u00e0 c\u00f2n mang l\u1ea1i s\u1ef1 minh b\u1ea1ch v\u00e0 c\u00f4ng b\u1eb1ng h\u01a1n trong c\u00e1c tr\u1eadn \u0111\u1ea5u.<\/span><\/p>\nNgu\u1ed3n g\u1ed1c v\u00e0 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00f4ng ngh\u1ec7 VAR<\/b><\/h3>\n
C\u00f4ng ngh\u1ec7 VAR b\u1eaft \u0111\u1ea7u \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m t\u1ea1i m\u1ed9t s\u1ed1 gi\u1ea3i \u0111\u1ea5u nh\u1ecf tr\u01b0\u1edbc khi ch\u00ednh th\u1ee9c \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o s\u1eed d\u1ee5ng trong c\u00e1c gi\u1ea3i \u0111\u1ea5u l\u1edbn nh\u01b0 World Cup hay UEFA Champions League. Quy tr\u00ecnh ph\u00e1t tri\u1ec3n VAR kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 t\u1ea1o ra m\u1ed9t c\u00f4ng ngh\u1ec7 m\u1edbi, m\u00e0 c\u00f2n bao g\u1ed3m vi\u1ec7c \u0111\u00e0o t\u1ea1o tr\u1ecdng t\u00e0i, thi\u1ebft l\u1eadp quy tr\u00ecnh ki\u1ec3m tra v\u00e0 quy \u0111\u1ecbnh s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 n\u00e0y sao cho hi\u1ec7u qu\u1ea3 nh\u1ea5t.<\/span><\/p>\nM\u1eb7c d\u00f9 ban \u0111\u1ea7u g\u1eb7p ph\u1ea3i nhi\u1ec1u ph\u1ea3n \u1ee9ng tr\u00e1i chi\u1ec1u t\u1eeb c\u1ed9ng \u0111\u1ed3ng y\u00eau b\u00f3ng \u0111\u00e1, nh\u01b0ng sau khi ch\u1ee9ng ki\u1ebfn nh\u1eefng quy\u1ebft \u0111\u1ecbnh s\u00e1ng su\u1ed1t m\u00e0 VAR mang l\u1ea1i, nhi\u1ec1u ng\u01b0\u1eddi \u0111\u00e3 d\u1ea7n ch\u1ea5p nh\u1eadn v\u00e0 th\u1eadm ch\u00ed khen ng\u1ee3i n\u00f3. C\u00e1c tr\u1eadn \u0111\u1ea5u di\u1ec5n ra v\u1edbi s\u1ef1 h\u1ed7 tr\u1ee3 c\u1ee7a VAR th\u01b0\u1eddng c\u00f3 \u00edt tranh c\u00e3i h\u01a1n, \u0111i\u1ec1u n\u00e0y gi\u00fap t\u0103ng t\u00ednh h\u1ea5p d\u1eabn v\u00e0 \u0111\u1ed9 an to\u00e0n c\u1ee7a c\u00e1c tr\u1eadn \u0111\u1ea5u.<\/span><\/p>\nT\u00e1c \u0111\u1ed9ng \u0111\u1ebfn c\u00f4ng vi\u1ec7c c\u1ee7a tr\u1ecdng t\u00e0i<\/b><\/h3>\n
C\u00f4ng ngh\u1ec7 VAR kh\u00f4ng ch\u1ec9 gi\u00fap tr\u1ecdng t\u00e0i \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh ch\u00ednh x\u00e1c h\u01a1n m\u00e0 c\u00f2n l\u00e0 m\u1ed9t c\u01a1 h\u1ed9i \u0111\u1ec3 h\u1ecd c\u1ea3i thi\u1ec7n k\u1ef9 n\u0103ng v\u00e0 quy tr\u00ecnh l\u00e0m vi\u1ec7c. V\u1edbi s\u1ef1 h\u1ed7 tr\u1ee3 c\u1ee7a VAR, tr\u1ecdng t\u00e0i c\u00f3 th\u00eam th\u1eddi gian v\u00e0 t\u00e0i nguy\u00ean \u0111\u1ec3 ph\u00e2n t\u00edch t\u00ecnh hu\u1ed1ng, t\u1eeb \u0111\u00f3 r\u00fat ra kinh nghi\u1ec7m v\u00e0 h\u1ecdc h\u1ecfi t\u1eeb nh\u1eefng sai l\u1ea7m trong qu\u00e1 kh\u1ee9.<\/span><\/p>\n\u0110i\u1ec1u n\u00e0y g\u00f3p ph\u1ea7n t\u1ea1o n\u00ean m\u1ed9t m\u00f4i tr\u01b0\u1eddng b\u00f3ng \u0111\u00e1 chuy\u00ean nghi\u1ec7p h\u01a1n, n\u01a1i m\u00e0 m\u1ed7i quy\u1ebft \u0111\u1ecbnh \u0111\u1ec1u \u0111\u01b0\u1ee3c xem x\u00e9t m\u1ed9t c\u00e1ch nghi\u00eam t\u00fac v\u00e0 c\u00f3 c\u01a1 s\u1edf r\u00f5 r\u00e0ng. Tuy nhi\u00ean, \u00e1p l\u1ef1c l\u00ean tr\u1ecdng t\u00e0i c\u0169ng gia t\u0103ng, b\u1edfi h\u1ecd kh\u00f4ng ch\u1ec9 ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi s\u1ef1 gi\u00e1m s\u00e1t t\u1eeb ng\u01b0\u1eddi h\u00e2m m\u1ed9 m\u00e0 c\u00f2n c\u1ea3 t\u1eeb nh\u1eefng \u0111\u1ed3ng nghi\u1ec7p trong ph\u00f2ng VAR.<\/span><\/p>\nVai tr\u00f2 c\u1ee7a c\u00f4ng ngh\u1ec7 VAR trong vi\u1ec7c n\u00e2ng cao t\u00ednh c\u00f4ng b\u1eb1ng c\u1ee7a tr\u1eadn \u0111\u1ea5u<\/b><\/h2>\n