\u0110\u1ed1i v\u1edbi b\u1ea5t k\u00ec m\u00f4n th\u1ec3 thao n\u00e0o trong thi \u0111\u1ea5u \u0111\u1ec1u d\u00fang c\u00e1ch t\u00ednh \u0111i\u1ec3m \u0111\u1ec3 ph\u00e2n \u0111\u1ecbnh th\u1eafng hay thu. Trong b\u1ed9 m\u00f4n tennis c\u0169ng c\u00f3 c\u00e1ch t\u00ednh \u0111i\u1ec3m ri\u00eang c\u1ee7a m\u00ecnh, c\u00e1ch t\u00ednh \u0111i\u1ec3m qu\u1ea7n v\u1ee3t \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh c\u1ee5 th\u1ec3\u00a0 trong lu\u1eadt t\u00ednh \u0111i\u1ec3m tennis, l\u00e0 b\u1ed9 lu\u1eadt \u0111\u01b0\u1ee3c Li\u00ean \u0111o\u00e0n qu\u1ea7n v\u1ee3t th\u1ebf gi\u1edbi (ITF) \u0111\u01b0a ra \u0111\u1ec3 c\u00f3 th\u1ec3 t\u00ednh \u0111i\u1ec3m cho c\u00e1c gi\u1ea3i \u0111\u1ea5u qu\u1ea7n v\u1ee3t tr\u00ean kh\u1eafp th\u1ebf gi\u1edbi. H\u00e3y c\u00f9ng ch\u00fang t\u00f4i t\u00ecm hi\u1ec3u v\u1ec1 c\u00e1ch t\u00ednh \u0111i\u1ec3m qu\u1ea7n v\u1ee3t nh\u00e9.<\/strong><\/p>\n Trong m\u1ed7i tr\u1eadn thi \u0111\u1ea5u qu\u1ea7n v\u1ee3t th\u01b0\u1eddng d\u00f9ng \u0111i\u1ec3m, game v\u00e0 set \u0111\u1ec3 t\u00ednh cho c\u1ea3 tr\u1eadn \u0111\u1ea5u. M\u1ed7i tr\u1eadn \u0111\u1ea5u qu\u1ea7n v\u1ee3t t\u00f9y theo t\u1ea7m c\u1ee1 v\u00e0 \u00fd ngh\u0129a m\u00e0 s\u1ebd c\u00f3 t\u1eeb 3 \u0111\u1ebfn 5 set \u0111\u1ea5u trong c\u00f9ng m\u1ed9t tr\u1eadn \u0111\u1ea5u, ng\u01b0\u1eddi chi\u1ebfn th\u1eafng l\u00e0 ng\u01b0\u1eddi gi\u00e0nh \u0111\u01b0\u1ee3c chi\u1ebfn th\u1eafng tr\u01b0\u1edbc 2 set (trong tr\u1eadn \u0111\u1ea5u c\u00f3 3 set) hay 3 ( trong tr\u1eadn \u0111\u1ea5u c\u00f3 5 set) th\u00ec s\u1ebd l\u00e0 ng\u01b0\u1eddi chi\u1ebfn th\u1eafng v\u00e1n \u0111\u1ea5u.<\/p>\n Trong m\u1ed7i set \u0111\u1ea5u ai d\u00e0nh chi\u1ebfn th\u1eafng tr\u01b0\u1edbc 6 game s\u1ebd chi\u1ebfn th\u1eafng nh\u01b0ng ph\u1ea3i t\u1ea1o ra c\u00e1ch bi\u1ec7t 2 game v\u1edbi \u0111\u1ed1i th\u1ee7.<\/p>\n Trong thi \u0111\u1ea5u qu\u1ea7n v\u1ee3t ng\u01b0\u1eddi ta s\u1ebd t\u00ednh \u0111i\u1ec3m 1,2,3 th\u00e0nh 15,30,40 c\u00f3 ngh\u0129a l\u00e0:<\/p>\n Khi \u0111\u1ea5u th\u1ee7 th\u1eafng \u0111i\u1ec3m th\u1ee9 nh\u1ea5t th\u00ec \u0111i\u1ec3m \u0111\u00f3 s\u1ebd \u0111\u01b0\u1ee3c t\u00ednh l\u00e0 15, th\u1eafng \u0111i\u1ec3m th\u1ee9 2 s\u1ebd l\u00e0 30, th\u1eafng \u0111i\u1ec3m th\u1ee9 3 l\u00e0 40 v\u00e0 th\u1eafng \u0111i\u1ec3m th\u1ee9 4 th\u00ec \u0111\u1ea5u th\u1ee7 ch\u00ednh th\u1ee9c chi\u1ebfn th\u1eafng game \u0111\u1ea5u \u0111\u00f3.<\/p>\n Trong tr\u01b0\u1eddng h\u1ee3p c\u1ea3 hai tay v\u1ee3t \u0111\u1ec1u h\u00f2a nhau v\u1edbi t\u1ec9 s\u1ed1 40-40 v\u00e0 m\u1ed9t tay v\u1ee3t gi\u00e0nh \u0111\u01b0\u1ee3c \u0111i\u1ec3m th\u1ee9 4 th\u00ec s\u1ebd \u0111\u01b0\u1ee3c l\u1ee3i \u0111i\u1ec3m, n\u1ebfu gi\u00e0nh th\u00eam \u0111\u01b0\u1ee3c 1 \u0111i\u1ec3m th\u00ec s\u1ebd gi\u00e0nh \u0111\u01b0\u1ee3c chi\u1ebfn th\u1eafng v\u00e1n \u0111\u1ea5u. C\u00f2n n\u1ebfu c\u1ea3 hai v\u1eabn h\u00f2a nhau th\u00ec s\u1ebd ti\u1ebfp t\u1ee5c thi \u0111\u1ea5u cho \u0111\u1ebfn khi 1 tay v\u1ee3t t\u1ea1o ra \u0111\u01b0\u1ee3c l\u1ee3i th\u1ebf ch\u00eanh l\u1ec7ch 2 \u0111i\u1ec3m v\u1edbi \u0111\u1ed1i th\u1ee7 s\u1ebd chi\u1ebfn th\u1eafng.<\/p>\n L\u1ef1a ch\u1ecdn h\u1ec7 th\u1ed1ng t\u00ednh \u0111i\u1ec3m kh\u00f4ng b\u1eaft bu\u1ed9c l\u00e0 h\u1ec7 th\u1ed1ng kh\u00f4ng t\u00ednh \u0111i\u1ec3m l\u1ee3i th\u1ebf, \u0111\u00e2y l\u00e0 h\u1ec7 th\u1ed1ng t\u00ednh \u0111i\u1ec3m thay cho h\u1ec7 th\u1ed1ng t\u00ednh \u0111i\u1ec3m truy\u1ec1n th\u1ed1ng, nh\u01b0ng khi \u00e1p d\u1ee5ng ph\u1ea3i c\u00f3 th\u1ed1ng b\u00e1o tr\u01b0\u1edbc tr\u1eadn \u0111\u1ea5u.<\/p>\n N\u1ebfu \u0111\u1ed1i th\u1ee7 th\u1eafng \u0111i\u1ec3m th\u1ee9 nh\u1ea5t th\u00ec \u0111\u01b0\u1ee3c t\u00ednh l\u00e0 15, \u0111i\u1ec3m th\u1ee9 hai l\u00e0 30, \u0111i\u1ec3m th\u1ee9 3 l\u00e0 40 v\u00e0 th\u1eafng \u0111i\u1ec3m th\u1ee9 4 l\u00e0 th\u1eafng v\u00e1n \u0111\u1ea5u \u0111\u00f3. Tr\u1eeb c\u00e1c t\u00ednh hu\u1ed1ng kh\u00e1c trong \u0111\u00e1nh \u0111\u00f4i:<\/p>\n Trong \u0111\u00e1nh \u0111\u00f4i c\u0169ng c\u00f3 c\u00e1ch t\u00ednh \u0111i\u1ec3m t\u01b0\u01a1ng t\u1ef1 nh\u01b0 \u0111\u00e1nh \u0111\u01a1n nh\u01b0ng khi c\u1ea3 2 \u0111\u1ed9i d\u00e0nh \u0111\u01b0\u1ee3c t\u1ec9 s\u1ed1 h\u00f2a l\u00e0 40-40, \u0111\u1ed9i \u0111\u1ee1 giao b\u00f3ng s\u1ebd \u0111\u01b0\u1ee3c quy\u1ec1n ch\u1ecdn s\u00e2n thi \u0111\u1ea5u v\u00e0 b\u00ean n\u00e0o d\u00e0nh \u0111\u01b0\u1ee3c \u0111i\u1ec3m quy\u1ebft \u0111\u1ecbnh s\u1ebd gi\u00e0nh chi\u1ebfn th\u1eafng.<\/p>\n Trong vi\u1ec7c \u0111\u00e1nh \u0111\u00f4i nam n\u1eef th\u00ec lu\u1eadt t\u00ednh \u0111i\u1ec3m c\u00f3 nh\u1eefng \u0111i\u1ec3m kh\u00e1c bi\u1ec7t:<\/p>\n Khi hai \u0111\u1ed9i h\u00f2a nhau 40-40 th\u00ec ng\u01b0\u1eddi giao b\u00f3ng l\u00e0 nam ph\u1ea3i giao b\u00f3ng v\u00e0o ph\u1ea7n s\u00e2n c\u1ee7a \u0111\u1ed1i th\u1ee7 nam b\u00ean kia v\u00e0 ng\u01b0\u1ee3c l\u1ea1i khi ng\u01b0\u1eddi giao b\u00f3ng l\u00e0 n\u1eef th\u00ec s\u1ebd giao b\u00f3ng v\u00e0o ph\u1ea7n s\u00e2n c\u1ee7a \u0111\u1ed1i th\u1ee7 n\u1eef b\u00ean kia b\u1ea5t k\u1ec3 \u0111\u1ee9ng \u1edf ph\u1ea7n s\u00e2n n\u00e0o.<\/p>\n \u0110\u1ea5u th\u1ee7 khi gi\u00e0nh \u0111\u01b0\u1ee3c t\u1ec9 s\u1ed1 h\u00f2a l\u00e0 40 \u0111\u1ec1u khi \u0111\u1ec1u gi\u00e0nh \u0111\u01b0\u1ee3c 3 \u0111i\u1ec3m trong c\u00f9ng 1 game \u0111\u1ea5u th\u00ec c\u1ea3 hai \u0111\u1ea5u th\u1ee7 s\u1ebd \u0111\u00e1nh ti\u1ebfp \u0111i\u1ec3m quy\u1ebft \u0111\u1ecbnh v\u00e0 \u0111\u1ea5u th\u1ee7 \u0111\u1ee1 giao b\u00f3ng \u1edf ph\u1ea7n s\u00e2n b\u00ean tr\u00e1i ho\u1eb7c b\u00ean ph\u1ea3i. \u0110\u1ea5u th\u1ee7 n\u00e0o th\u1eafng \u0111i\u1ec3m quy\u1ebft \u0111\u1ecbnh s\u1ebd th\u1eafng v\u00e1n \u0111\u1ea5u.<\/p>\n Khi m\u1ed9t tay v\u1ee3t ghi \u0111\u01b0\u1ee3c \u0111i\u1ec3m th\u1ee9 nh\u1ea5t \u0111\u01b0\u1ee3c t\u00ednh l\u00e0 15, \u0111i\u1ec3m th\u1ee9 2 l\u00e0 30, \u0111i\u1ec3m th\u1ee9 3 l\u00e0 40 v\u00e0 gi\u00e0nh \u0111\u01b0\u1ee3c \u0111i\u1ec3m th\u1ee9 4 l\u00e0 s\u1ebd chi\u1ebfn th\u1eafng v\u00e1n \u0111\u1ea5u, Tr\u1eeb m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p nh\u01b0 sau:<\/p>\n Khi c\u1ea3 hai tay v\u1ee3t \u0111\u00e3 gi\u00e0nh \u0111\u01b0\u1ee3c c\u00f9ng 3 \u0111i\u1ec3m v\u00e0 h\u00f2a nhau v\u1edbi t\u1ec9 s\u1ed1 l\u00e0 40-40 th\u00ec ng\u01b0\u1eddi ghi \u0111\u01b0\u1ee3c \u0111i\u1ec3m ti\u1ebfp theo s\u1ebd \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u0111i\u1ec3m l\u1ee3i th\u1ebf, ng\u01b0\u1eddi gi\u1eef \u0111i\u1ec3m l\u1ee3i\u00a0 th\u1ebf\u00a0 ch\u1ec9 c\u1ea7n ghi th\u00eam m\u1ed9t \u0111i\u1ec3m n\u1eefa s\u1ebd gi\u00e0nh \u0111\u01b0\u1ee3c chi\u1ebfn th\u1eafng. N\u1ebfu ti\u1ebfp theo ng\u01b0\u1eddi gi\u1eef \u0111i\u1ec3m l\u1ee3i th\u1ebf b\u1ecb g\u1ee1 h\u00f2a v\u00e0 c\u1ea3 2 s\u1ebd ti\u1ebfp t\u1ee5c thi \u0111\u1ea5u cho \u0111\u1ebfn khi m\u1ed9t ng\u01b0\u1eddi gi\u00e0nh \u0111\u01b0\u1ee3c chi\u1ebfn th\u1eafng v\u1edbi c\u00e1ch bi\u1ec7t 2 \u0111i\u1ec3m.<\/p>\n Lu\u1eadt v\u00e0 c\u00e1ch t\u00ednh \u0111i\u1ec3m qu\u1ea7n v\u1ee3t kh\u00f4ng \u0111\u01a1n gi\u1ea3n nh\u01b0 nh\u1eefng b\u1ed9 m\u00f4n th\u1ec3 thao kh\u00e1c. M\u1ed7i set \u0111\u1ea5u l\u00e0 m\u1ed9t c\u01a1 h\u1ed9i l\u00e0m l\u1ea1i cho ng\u01b0\u1eddi ch\u01a1i d\u00f9 k\u1ebft qu\u1ea3 c\u1ee7a set tr\u01b0\u1edbc \u0111\u00f3 c\u00f3 ra sao. Khi mu\u1ed1n ch\u01a1i qu\u1ea7n v\u1ee3t m\u1ed9t c\u00e1ch chuy\u00ean nghi\u1ec7p th\u00ec ng\u01b0\u1eddi ch\u01a1i c\u1ea7n ph\u1ea3i t\u00ecm hi\u1ec3u k\u1ef9 v\u1ec1 lu\u1eadt v\u00e0 c\u00e1ch t\u00ednh \u0111i\u1ec3m trong b\u1ed9 m\u00f4n n\u00e0y nh\u00e9.<\/p>\n Ch\u00fac c\u00e1c b\u1ea1n th\u00e0nh c\u00f4ng.<\/p>\n","protected":false},"excerpt":{"rendered":" \u0110\u1ed1i v\u1edbi b\u1ea5t k\u00ec m\u00f4n th\u1ec3 thao n\u00e0o trong thi \u0111\u1ea5u \u0111\u1ec1u d\u00fang c\u00e1ch t\u00ednh \u0111i\u1ec3m \u0111\u1ec3 ph\u00e2n \u0111\u1ecbnh th\u1eafng hay thu. Trong b\u1ed9 m\u00f4n tennis c\u0169ng c\u00f3 c\u00e1ch t\u00ednh \u0111i\u1ec3m ri\u00eang c\u1ee7a m\u00ecnh, c\u00e1ch t\u00ednh \u0111i\u1ec3m qu\u1ea7n v\u1ee3t \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh c\u1ee5 th\u1ec3\u00a0 trong lu\u1eadt t\u00ednh \u0111i\u1ec3m tennis, l\u00e0 b\u1ed9 lu\u1eadt \u0111\u01b0\u1ee3c Li\u00ean \u0111o\u00e0n […]<\/p>\n","protected":false},"author":2,"featured_media":495,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[9],"class_list":["post-486","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-the-thao","tag-the-thao"],"blocksy_meta":"","featured_image_urls":{"full":["https:\/\/unicef2014appeal.org\/wp-content\/uploads\/2022\/11\/cach-tinh-deim-quan-vot-2.webp",600,347,false],"thumbnail":["https:\/\/unicef2014appeal.org\/wp-content\/uploads\/2022\/11\/cach-tinh-deim-quan-vot-2-150x150.webp",150,150,true],"medium":["https:\/\/unicef2014appeal.org\/wp-content\/uploads\/2022\/11\/cach-tinh-deim-quan-vot-2-300x174.webp",300,174,true],"medium_large":["https:\/\/unicef2014appeal.org\/wp-content\/uploads\/2022\/11\/cach-tinh-deim-quan-vot-2.webp",600,347,false],"large":["https:\/\/unicef2014appeal.org\/wp-content\/uploads\/2022\/11\/cach-tinh-deim-quan-vot-2.webp",600,347,false],"1536x1536":["https:\/\/unicef2014appeal.org\/wp-content\/uploads\/2022\/11\/cach-tinh-deim-quan-vot-2.webp",600,347,false],"2048x2048":["https:\/\/unicef2014appeal.org\/wp-content\/uploads\/2022\/11\/cach-tinh-deim-quan-vot-2.webp",600,347,false]},"post_excerpt_stackable":" \u0110\u1ed1i v\u1edbi b\u1ea5t k\u00ec m\u00f4n th\u1ec3 thao n\u00e0o trong thi \u0111\u1ea5u \u0111\u1ec1u d\u00fang c\u00e1ch t\u00ednh \u0111i\u1ec3m \u0111\u1ec3 ph\u00e2n \u0111\u1ecbnh th\u1eafng hay thu. Trong b\u1ed9 m\u00f4n tennis c\u0169ng c\u00f3 c\u00e1ch t\u00ednh \u0111i\u1ec3m ri\u00eang c\u1ee7a m\u00ecnh, c\u00e1ch t\u00ednh \u0111i\u1ec3m qu\u1ea7n v\u1ee3t \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh c\u1ee5 th\u1ec3\u00a0 trong lu\u1eadt t\u00ednh \u0111i\u1ec3m tennis, l\u00e0 b\u1ed9 lu\u1eadt \u0111\u01b0\u1ee3c Li\u00ean \u0111o\u00e0n qu\u1ea7n v\u1ee3t th\u1ebf gi\u1edbi (ITF) \u0111\u01b0a ra \u0111\u1ec3 c\u00f3 th\u1ec3 t\u00ednh \u0111i\u1ec3m cho c\u00e1c gi\u1ea3i \u0111\u1ea5u qu\u1ea7n v\u1ee3t tr\u00ean kh\u1eafp th\u1ebf gi\u1edbi. H\u00e3y c\u00f9ng ch\u00fang t\u00f4i t\u00ecm hi\u1ec3u v\u1ec1 c\u00e1ch t\u00ednh \u0111i\u1ec3m qu\u1ea7n v\u1ee3t nh\u00e9. M\u1ed7i tr\u1eadn \u0111\u1ea5u qu\u1ea7n v\u1ee3t k\u00e9o d\u00e0i m\u1ea5t set? Trong…<\/p>\n","category_list":"Th\u1ec3 thao<\/a>","author_info":{"name":"admin2","url":"https:\/\/unicef2014appeal.org\/author\/admin2\/"},"comments_num":"0 comments","_links":{"self":[{"href":"https:\/\/unicef2014appeal.org\/wp-json\/wp\/v2\/posts\/486","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/unicef2014appeal.org\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/unicef2014appeal.org\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/unicef2014appeal.org\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/unicef2014appeal.org\/wp-json\/wp\/v2\/comments?post=486"}],"version-history":[{"count":1,"href":"https:\/\/unicef2014appeal.org\/wp-json\/wp\/v2\/posts\/486\/revisions"}],"predecessor-version":[{"id":496,"href":"https:\/\/unicef2014appeal.org\/wp-json\/wp\/v2\/posts\/486\/revisions\/496"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/unicef2014appeal.org\/wp-json\/wp\/v2\/media\/495"}],"wp:attachment":[{"href":"https:\/\/unicef2014appeal.org\/wp-json\/wp\/v2\/media?parent=486"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/unicef2014appeal.org\/wp-json\/wp\/v2\/categories?post=486"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/unicef2014appeal.org\/wp-json\/wp\/v2\/tags?post=486"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}M\u1ed7i tr\u1eadn \u0111\u1ea5u qu\u1ea7n v\u1ee3t k\u00e9o d\u00e0i m\u1ea5t set?<\/strong><\/h2>\n
C\u00e1ch t\u00ednh \u0111i\u1ec3m qu\u1ea7n v\u1ee3t chu\u1ea9n ITF-ATP trong v\u00e1n \u0111\u1ea5u<\/strong><\/h2>\n
Trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y c\u00e1c \u0111i\u1ec1u lu\u1eadt v\u1ec1 t\u00ednh \u0111i\u1ec3m qu\u1ea7n sau s\u1ebd c\u00f3 hi\u1ec7u l\u1ef1c<\/strong><\/h2>\n
\u0110\u00e1nh \u0111\u00f4i nam n\u1eef<\/strong><\/h3>\n
T\u00f3m t\u1eaft l\u1ea1i lu\u1eadt t\u00ednh \u0111i\u1ec3m trong thi \u0111\u1ea5u qu\u1ea7n v\u1ee3t<\/strong><\/h2>\n
K\u1ebft lu\u1eadn<\/strong><\/h2>\n