Individual Calculations September 2009
 Kouvatsou, Maria  Total change: 0.75  Rating chartPersonal card
 37th Greek Team Championship of A' Category Halkidiki GRE 2009-07-03
RcRownchangeKK*chgGame
 2151 2156 6.00 8 1.96 15 29.40 
  Polizou, Hristina 1947 GRE1.0010.23153.45 
  Raeva, Elitsa wm2236 BUL1.0010.61159.15 
  Botsari, Anna-Maria wg2298 GRE0.001-0.3115-4.65 
  Fakhiridou, Ekaterini wm2277 GRE1.0010.66159.90 
  Manolaraki, Yvonni 2073 GRE1.0010.39155.85 
  Grapsa, Georgia 2083 GRE1.0010.40156.00 
  Papadopoulou, Vera wm2160 GRE0.5010.01150.15 
  Pambalou, Fotini 2135 GRE0.501-0.0315-0.45 

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)
 
 18th OPEN INTERN. TOURN. OF KAVALA '09 - GROUP A Kavala GRE 2009-08-01
RcRownchangeKK*chgGame
 2183 2156 4.00 9 -0.33 15 -4.95 
  Hess, Robert L g2556  * USA0.001-0.0815-1.20 
  Kakkanas, Evangelos 2021 GRE1.0010.32154.80 
  Georgiadis, Ioannis m2438 GRE0.001-0.1615-2.40 
  Manelidou, Maria 2008 GRE0.501-0.2015-3.00 
  Kazantzidis, Ilias 2101 GRE0.001-0.5815-8.70 
  Swati, Mohota wf2091 IND1.0010.41156.15 
  Osmanoglou, Halil 2133 GRE1.0010.47157.05 
  Janev, Tihomir 2322 BUL0.001-0.2815-4.20 
  Al-Marzouqi, Abdulla M 1981 UAE0.501-0.2315-3.45 
 * 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)
 
 24th Intern. Chess Tournament "Acropolis 2009" Halkida GRE 2009-08-10
RcRownchangeKK*chgGame
 2252 2156 1.50 8 -1.58 15 -23.70 
  Lomineishvili, Maia mwg2427 GEO0.5010.33154.95 
  Ris, Robert m2421 NED0.5010.32154.80 
  Maric, Alisa mwg2407 SRB0.001-0.1915-2.85 
  Burtasova, Anna wg2325 RUS0.001-0.2815-4.20 
  Karlovich, Anastazia wg2211 UKR0.001-0.4215-6.30 
  Foisor, Mihaela-Veronica wf2123 ROU0.001-0.5515-8.25 
  Rigopoulos-Tsigkos, Alexandros 2018 GRE0.001-0.6915-10.35 
  Grapsa, Georgia 2083 GRE0.501-0.1015-1.50 

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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