Individual Calculations March 2019
 Marrero Calderin, Arturo  Total change: 59.20  Rating chartPersonal card
 Eldis Cobo in Memoriam 2019 La Habana CUB 2019-01-21
 1674 1585 5.00 9 1.48 40 59.20 
  Tapia Sanchez, Marcos 1915 CUB0.5010.384015.20 
  Perez Sanchez, David 1794 CUB0.001-0.2340-9.20 
  Jimenez Suarez, Deiny 1624 CUB1.0010.554022.00 
  Robert Zamora, Ernesto Eduardo 1666 CUB1.0010.614024.40 
  Nieto Rego, Ana 1902 ESP0.001-0.1340-5.20 
  Coro Gonzalez, Maikol 1423 CUB0.501-0.2140-8.40 
  Quinones Valiente, Miguel Angelo 1687 CUB0.001-0.3640-14.40 
  Marcano Romero, Lucas Daniel 1326 CUB1.0010.18407.20 
  Perez Hernandez, Moises 1729 CUB1.0010.694027.60 

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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