Individual Calculations September 2011
 Petrakis, Stylianos  Total change: 11.55  Rating chartPersonal card
 14th National Greek Ind. Championship - Open U10 Eretria GRE 2011-06-25
RcRownchangeKK*chgGame
 1447 1617 1.00 2 -0.42 30 -12.60 
  Alexakis, Georgios 1542 GRE0.001-0.6030-18.00 
  Hasouris, Georgios 1352 GRE1.0010.18305.40 

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)
 
 3rd International Open of Rethymno 2011 Rethymno GRE 2011-07-11
RcRownchangeKK*chgGame
 1977 1585 1.50 6 0.99 30 29.70 
  Guramishvili, Sopiko wg1985  * GEO0.001-0.0830-2.40 
  Bras, Emanouel 1985  * GRE0.001-0.0830-2.40 
  Papadakis, Theodoros 1984 GRE0.001-0.0830-2.40 
  Naoum, Spyridon 1985  * GRE0.001-0.0830-2.40 
  Adams, Tim P 1935  * ENG1.0010.893026.70 
  Gurevich, Alexander Y 1985  * RUS0.5010.423012.60 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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)
 
NOTE: K factor changed
 4th International Open of Paleochora 2011 Paleochora GRE 2011-07-20
RcRownchangeKK*chgGame
 1964 1585 0.00 4 -0.37 15 -5.55 
  Kostopoulos, Evaggelos 1985  * GRE0.001-0.0815-1.20 
  Koutoukidis, Panagiotis 1985  * GRE0.001-0.0815-1.20 
  Serntedakis, Athanasios 1931 GRE0.001-0.1115-1.65 
  Sekadakis, Dimitrios 1953 GRE0.001-0.1015-1.50 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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