Individual Calculations January 2022
 Aduamah, David Kofi  Total change: -10.40  Rating chartPersonal card
 2021 Nationals (Phase One) Accra GHA 2021-11-19
RcRownchangeKK*chgGame
 1664 1753 5.50 8 0.68 20 13.60 
  Adanu, Richard Kofi Mawuena 1515 GHA0.501-0.3020-6.00 
  Tandoh, Charles Raymond Appiah 1357 GHA1.0010.08201.60 
  Aikins, Dwamena Akenten 1636 GHA0.501-0.1620-3.20 
  Akpa, Prince 1655 GHA1.0010.37207.40 
  Anhwere, Bernard 1847 GHA0.5010.13202.60 
  La Piana, Antonino 1725 ITA1.0010.46209.20 
  Fomevor, Cephas Clinton 1750 GHA0.5010.00200.00 
  Adu Jnr, Lionel c1829 GHA0.5010.10202.00 

Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change)
 
 2021 Nationals (Phase Two) Accra GHA 2021-12-26
RcRownchangeKK*chgGame
 1864 1753 2.00 9 -1.20 20 -24.00 
  Mensah, Joseph Jamena c1932 GHA1.0010.732014.60 
  Adu-Poku, Kwabena 1925 GHA0.001-0.2720-5.40 
  Ameku, Philip Elikem 1881 GHA1.0010.672013.40 
  Anhwere, Bernard 1847 GHA0.001-0.3720-7.40 
  Adu Jnr, Lionel c1829 GHA0.001-0.4020-8.00 
  Akpa, Prince 1655 GHA0.001-0.6320-12.60 
  Fomevor, Cephas Clinton 1750 GHA0.001-0.5020-10.00 
  Hasford, John Kojo f1990 GHA0.001-0.2020-4.00 
  Anquandah, Francis Eric m1965 GHA0.001-0.2320-4.60 

Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change)
 

 

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