Individual Calculations August 2023
 La Manna, Andrea  Total change: 4.20  Rating chartPersonal card
 1000GM NY Summer Norm Invitational - IM B Schiller New York, New York USA 2023-07-06
RcRownchangeKK*chgGame
 2286 2180 3.50 9 0.21 20 4.20 
  Moor, Nathaniel Philip 2147 USA1.0010.45209.00 
  Pang, Qi 2193 USA0.5010.02200.40 
  Song, Michael m2405 CAN0.5010.28205.60 
  Bortnyk, Mykola m2421 UKR0.5010.30206.00 
  Poliannikov, Danila f2269 USA0.001-0.3820-7.60 
  Colas, Joshua f2294 USA1.0010.662013.20 
  Rusonik, Max c2144 CAN0.001-0.5520-11.00 
  Espinosa, Pedro Roberto, Mr c2263 USA0.001-0.3920-7.80 
  Paragua, Mark g2438 PHI0.001-0.1820-3.60 

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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