The best app that tennis have to measure performance
I have two college players and one professional player and I enjoy keeping track of their performance. Love the app and they love it too.
Описание
The Performance Stat Index (PSI) was first introduced in 2009 in the form of a workbook for players on the ATP Challenger circuit to make them aware of strengths and weaknesses as well as get an overall view of their performance. Two more indexes were later added to the PSI for players in the intermediate and more advanced player range right below the highest level Index used on the ATP Challenger circuit.
Index 1: players with UTRs 3-6.99
Index 2: players with UTRs 7-10.99
Index 3: players with UTRs 11+
A statistical algorithm adds up the total RATIO DIFFERENCE of WON (Good Shots) to LOST (Bad Shots) points in a set. The algorithm then calculates to find the AVERAGE of points either won or lost PER GAME in the set. We refer to these average numbers of points as PSI Ratings.
Good Shots = Unreturned Serves, Winners, Forced Errors
Bad Shots = Double Faults, Unforced Errors, Missed Makeable Shots
After a set is played, both players receive PSI Ratings. If the player’s final PSI Ratings are positive, it means they won more points than lost. If the player’s final PSI Ratings are negative, it means they lost more points than won.
At the core of the app are the three indexes that ultimately bestow the PSI GRADES. Three areas of a player’s performance are graded within each designated Index; SERVICE PERFORMANCE, GROUNDSTROKE AND AUXILIARY, and OVERALL PERFORMANCE. All areas consist of uniformed parameters of Good Shot/Bad Shot point averages that make up each Index established through years of research of charting competitive matches at all levels of the game.
The following are the PSI PERFORMANCE GRADES.
Excellent Performance
Above Average Performance
Solid Performance
Below Average Performance
Poor Performance
Because the total number of shots recorded can fluctuate, ratios can vary from a 1 to 1.1 ratio to a 1 to 1.9 ratio and so on. A point of reference (midpoint) and closest to Index 2 OVERALL PERFORMANCE parameters is this example.
Excellent Performance
3 Good Shots to 1 Bad Shot Ratio
Above Average Performance
2 Good Shots to 1 Bad Shot Ratio
Solid Performance
1 Good Shot to 1 Bad Shot Ratio
Below Average Performance
1 Good Shot to 2 Bad Shot Ratio
Poor Performance
1 Good Shot to 3 Bad Shot Ratio
Index 1 will have a lower threshold to Solid. Index 3 will have a higher threshold to Solid.
Terms of Use EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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Index 1: players with UTRs 3-6.99
Index 2: players with UTRs 7-10.99
Index 3: players with UTRs 11+
A statistical algorithm adds up the total RATIO DIFFERENCE of WON (Good Shots) to LOST (Bad Shots) points in a set. The algorithm then calculates to find the AVERAGE of points either won or lost PER GAME in the set. We refer to these average numbers of points as PSI Ratings.
Good Shots = Unreturned Serves, Winners, Forced Errors
Bad Shots = Double Faults, Unforced Errors, Missed Makeable Shots
After a set is played, both players receive PSI Ratings. If the player’s final PSI Ratings are positive, it means they won more points than lost. If the player’s final PSI Ratings are negative, it means they lost more points than won.
At the core of the app are the three indexes that ultimately bestow the PSI GRADES. Three areas of a player’s performance are graded within each designated Index; SERVICE PERFORMANCE, GROUNDSTROKE AND AUXILIARY, and OVERALL PERFORMANCE. All areas consist of uniformed parameters of Good Shot/Bad Shot point averages that make up each Index established through years of research of charting competitive matches at all levels of the game.
The following are the PSI PERFORMANCE GRADES.
Excellent Performance
Above Average Performance
Solid Performance
Below Average Performance
Poor Performance
Because the total number of shots recorded can fluctuate, ratios can vary from a 1 to 1.1 ratio to a 1 to 1.9 ratio and so on. A point of reference (midpoint) and closest to Index 2 OVERALL PERFORMANCE parameters is this example.
Excellent Performance
3 Good Shots to 1 Bad Shot Ratio
Above Average Performance
2 Good Shots to 1 Bad Shot Ratio
Solid Performance
1 Good Shot to 1 Bad Shot Ratio
Below Average Performance
1 Good Shot to 2 Bad Shot Ratio
Poor Performance
1 Good Shot to 3 Bad Shot Ratio
Index 1 will have a lower threshold to Solid. Index 3 will have a higher threshold to Solid.
Terms of Use EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Встроенные покупки
- Monthly Subscription
- R$ 22,90
Скриншоты
PSI Tennis App Частые Вопросы
-
Приложение PSI Tennis App бесплатное?
Да, PSI Tennis App можно скачать бесплатно, однако в приложении есть встроенные покупки или подписки.
-
Является ли PSI Tennis App фейковым или мошенническим?
Недостаточно отзывов для надежной оценки. Приложению нужно больше отзывов пользователей.
Спасибо за ваш голос -
Сколько стоит PSI Tennis App?
PSI Tennis App имеет несколько покупок/подписок внутри приложения, средняя цена покупки составляет 22.90 R$.
-
Сколько зарабатывает PSI Tennis App?
Чтобы получить оценку дохода приложения PSI Tennis App и другие данные AppStore, вы можете зарегистрироваться на платформе мобильной аналитики AppTail.
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PSI Tennis App Установки
30дн.
PSI Tennis App Доход
30дн.PSI Tennis App Доходы и Загрузки
Получите ценные инсайты о производительности PSI Tennis App с помощью нашей аналитики.
Зарегистрируйтесь сейчас, чтобы получить доступ к статистика загрузок и доходов и многому другому.
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Информация о приложении
- Категория
- Sports
- Разработчик
- Court 9
- Языки
- English
- Последнее обновление
- 1.3.3 (9 месяцев назад )
- Выпущено
- Jan 4, 2022 (2 года назад )
- Также доступно в
- Соединенные Штаты, Пакистан, Италия, Япония, Республика Корея, Кувейт, Казахстан, Мексика, Малайзия, Нигерия, Нидерланды, Норвегия, Перу, Филиппины, Индия, Польша, Португалия, Румыния, Россия, Швеция, Сингапур, Таиланд, Турция, Вьетнам, Южно-Африканская Республика, Дания, Аргентина, Австрия, Австралия, Бельгия, Бразилия, Беларусь, Швейцария, Чили, Китай, Колумбия, Чехия, Германия, ОАЭ, Доминиканская Республика, Эквадор, Египет, Испания, Финляндия, Франция, Великобритания, Греция, Венгрия, Ирландия, Израиль
- Обновлено
- 6 дней назад
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