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  • Na ovom sajtu daju oficijelni nacin kako se mjeri brzina podloge:

    http://www.itftennis.com/technical/c...ourt-pace.aspx

    Classification

    Surfaces are categorised as follows:

    Code:
    Category	CPR
    Slow		≤29
    Medium-Slow	30-34
    Medium		35-39
    Medium-Fast	40-44
    Fast		≥45
    Table 2. Court Pace Rating categories.


    As a guide, the tolerance in the mean CPR value for a court installed by experienced contractors using quality materials and conventional methods at a reasonable cost is ± 5 CPR points from the quoted value. This tolerance applies to a new court as/unless specified by the end-user. The variation in CPR between the test location means, excluding the court markings, should not exceed 10 CPR points.

    Note: CPR may vary depending on the nature of the materials that support the uppermost playing surface of a court.

    Da li neko zna koje su CPR vrijednosti za pojedine turnire?

    Comment


    • Originally posted by NI View Post
      Na ovom sajtu daju oficijelni nacin kako se mjeri brzina podloge:

      http://www.itftennis.com/technical/c...ourt-pace.aspx

      Classification

      Surfaces are categorised as follows:

      Code:
      Category	CPR
      Slow		≤29
      Medium-Slow	30-34
      Medium		35-39
      Medium-Fast	40-44
      Fast		≥45




      As a guide, the tolerance in the mean CPR value for a court installed by experienced contractors using quality materials and conventional methods at a reasonable cost is ± 5 CPR points from the quoted value. This tolerance applies to a new court as/unless specified by the end-user. The variation in CPR between the test location means, excluding the court markings, should not exceed 10 CPR points.

      Note: CPR may vary depending on the nature of the materials that support the uppermost playing surface of a court.

      Da li neko zna koje su CPR vrijednosti za pojedine turnire?
      NI, ne pratis moj rad i delo. Salim se, vec sam to objavio prosle godine mislim. Podaci su inace iz decembra 2012 tako da ovo shvati uslovno jer neke su podloge mozda ubrzane, druge usporene... Evo ti podaci za MS i GS. Za ostale turnire pogledaj ovde:
      https://www.perfect-tennis.com/tenni...-court-speeds/

      Masters 1000 Tournaments

      Tournament Surface Court Pace Rating
      Indian Wells Plexipave IW Category 1: Slow
      Miami Masters Laykold Cushion Plus System Category 3: Medium
      Monte Carlo Masters Clay Category 1: Slow
      Madrid Master Clay Category 1: Slow
      Rome Masters Clay Category 1: Slow
      Rogers Cup Pro DecoTurf II Category 4: Medium-Fast
      Cincinnati Pro DecoTurf II Category 4: Medium-Fast
      Shanghai Masters DecoColor Category 4: Medium-fast
      Paris Masters Greenset Grand Prix Category 4: Medium-fast
      ATP World Tour Finals Greenset Grand Prix Category 3 – Medium


      Grand Slam Surface Court Pace Rating

      Australian Open Plexicushion Prestige Category 4 – Medium-Fast
      French Open Clay Category 1 – Slow
      Wimbledon Grass Category 3 – Medium
      US Open Pro Decoturf II Category 4 – Medium-Fast

      Comment


      • Majami je medium
        a Pariz je medium-fast
        http://www.youtube.com/watch?v=RfzsyKXSs-Y

        Here's the most remarkable thing to me about Federer: Seems to me that the more you know about tennis, the more amazed you are by the guy. If you know nothing at all about tennis, he's amazing. If you know a little something about tennis—maybe you have played a few times in your life—he's more amazing. If you know a little more about tennis—maybe you played in high school and once had illusions of becoming a pro—he's even MORE amazing. And if you were a great player—if you are a McEnroe or a Connors or a Jim Courier—then Federer is preposterously amazing

        sigpic

        Don't argue with idiots. They'll drag you down to their level and beat you...
        with experience.

        Comment


        • Skeptik,

          Na stranu Bojanino kreveljenje, ali ona je u pravu. Stranica koju si citirao kaze da je brzina diskreciono pravo svakog turnira i da se stvarni podaci u principu ne objavljuju. Dakle, ako neko zna, zna nesluzbeno. Sto se mene licno tice, svaki turnir bi na dan pocetka, za svaki teren, morao objaviti koja je brzina.

          Comment


          • Ne kreveljim se, nego umirem od smeha jer ove brzine nemaju veze sa pravim stanjem.
            http://www.youtube.com/watch?v=RfzsyKXSs-Y

            Here's the most remarkable thing to me about Federer: Seems to me that the more you know about tennis, the more amazed you are by the guy. If you know nothing at all about tennis, he's amazing. If you know a little something about tennis—maybe you have played a few times in your life—he's more amazing. If you know a little more about tennis—maybe you played in high school and once had illusions of becoming a pro—he's even MORE amazing. And if you were a great player—if you are a McEnroe or a Connors or a Jim Courier—then Federer is preposterously amazing

            sigpic

            Don't argue with idiots. They'll drag you down to their level and beat you...
            with experience.

            Comment


            • Originally posted by bojanaBG View Post
              Ne kreveljim se, nego umirem od smeha jer ove brzine nemaju veze sa pravim stanjem.
              Ovaj mali sto se valja meni lici na ekstremno kreveljenje, ali sad ti mozda imas druge kriterijume.

              Date brzine su ocigledno netacne, to nije sporno.

              Comment


              • Originally posted by NI View Post
                Skeptik,

                Na stranu Bojanino kreveljenje, ali ona je u pravu. Stranica koju si citirao kaze da je brzina diskreciono pravo svakog turnira i da se stvarni podaci u principu ne objavljuju. Dakle, ako neko zna, zna nesluzbeno. Sto se mene licno tice, svaki turnir bi na dan pocetka, za svaki teren, morao objaviti koja je brzina.
                Kao prvo, ja sam samo citirao brzine sa sajta. Kao drugo, rekao sam ti da su podaci iz decembra 2012. I kao, trece evo sta kaze sam autor teksta na opasake slicne tvojem:
                "This is why it’s daft. ITF rates Plexicushion Prestige as Medium/Fast but if you look around you can find info that says the Australian Open has a CPR of 34-37 meaning that’s medium too. Too much conflicting information I think. ITF says one thing, manufacturer says an other and then somewhere else gives a different rating. Needs to be more consistent"
                Sve ovo shvati uslovno kao sto sam napisao.
                Last edited by skeptik; 05-11-15, 13:47.

                Comment


                • skeptik,

                  Ako govorimo o istom sajtu a cinimi se da govorimo, ona je postavljena 2012. a azurirana 2015. Problem je da niko sluzbeno ne objavljuje podatke, a brzina se moze precizno izmjeriti.

                  Comment


                  • Originally posted by NI View Post
                    skeptik,

                    Ako govorimo o istom sajtu a cinimi se da govorimo, ona je postavljena 2012. a azurirana 2015. Problem je da niko sluzbeno ne objavljuje podatke, a brzina se moze precizno izmjeriti.
                    Naravno da govorimo o istom sajtu, ja sam ti dao link. Znam da je clanak objavljen decembra 2012. Ako je azuriran kao sto kazes onda mu to daje jos vecu verodostojnost ali kao sto kaze sam autor ima dosta protivrecnosti izmedju ITF, samih proizvodjaca podloga, organizatora turnira... tako da podatke sa ovoj sajta uzimaj krajnje uslovno.

                    Comment


                    • Negde sam citao da ista ekipa postavlja sljaku na RG i u Madridu, i da je identicna sljaka u pitanju. Da li su iste brzine? Madrid je na 1km nadmorske visine, znaci da postoji i klimatski faktor. Mozda su stvarno te podloge te brzine, ali recimo Majami je uzasno sparan, tezak vazduh i loptice sporije putuju. Zato je malo nerazumno tvrditi neke stvari ako ne znamo sve faktore.
                      "But Pascal what are you saying?"

                      Comment


                      • Originally posted by thrillseeker View Post
                        Negde sam citao da ista ekipa postavlja sljaku na RG i u Madridu, i da je identicna sljaka u pitanju. Da li su iste brzine? Madrid je na 1km nadmorske visine, znaci da postoji i klimatski faktor. Mozda su stvarno te podloge te brzine, ali recimo Majami je uzasno sparan, tezak vazduh i loptice sporije putuju. Zato je malo nerazumno tvrditi neke stvari ako ne znamo sve faktore.
                        Sve to stoji. CPR je jedan faktor koji moze biti mjeren. Nema razloga da ga ne znamo.

                        Comment


                        • Pa dobro, bilo bi lepo da znamo ali mislim da postoji vise razloga zato jednostavno ne zele da odaju takve podatke. Vidis da je granica tolerancije +-5 poena, a tolerise se cak i do 10. Pa to je 2 brzine promaseno, po tablici. A tu je i doba dana kada se meri. Koliko puta se nama cini da je isti turnir ove/prosle godine brzi/sporiji. Postoji neka fora sa brzinama podloga i tajanstvenoscu oko toga, zasto - ne znam.
                          "But Pascal what are you saying?"

                          Comment




                          • Zanimljiva izjava Rogera na kraju, rekao bih vrlo nepristrasna i racionalna.

                            Bice zanimljivo videti koliko ce ih biti za 10-15 godina

                            Comment


                            • Od ovih trenutnih klinaca, generacija Corica, Tanasija, Zvereva, Chunga,...ja mislim da niti jedan ne igra jednorucni bh, ili mi je stao mozak pa ne mogu da se setim?
                              Po svemu sudeci, taj udarac izumire, a po meni, lepseg udarca u tenisu nema
                              http://www.youtube.com/watch?v=RfzsyKXSs-Y

                              Here's the most remarkable thing to me about Federer: Seems to me that the more you know about tennis, the more amazed you are by the guy. If you know nothing at all about tennis, he's amazing. If you know a little something about tennis—maybe you have played a few times in your life—he's more amazing. If you know a little more about tennis—maybe you played in high school and once had illusions of becoming a pro—he's even MORE amazing. And if you were a great player—if you are a McEnroe or a Connors or a Jim Courier—then Federer is preposterously amazing

                              sigpic

                              Don't argue with idiots. They'll drag you down to their level and beat you...
                              with experience.

                              Comment


                              • Originally posted by bojanaBG View Post
                                Od ovih trenutnih klinaca, generacija Corica, Tanasija, Zvereva, Chunga,...ja mislim da niti jedan ne igra jednorucni bh, ili mi je stao mozak pa ne mogu da se setim?
                                Po svemu sudeci, taj udarac izumire, a po meni, lepseg udarca u tenisu nema
                                Pretpostavljam da te je time Federer i ocarao.

                                Comment

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