Individual Calculations January 2010
 De Meo, Guido  Total change: -51.15  Rating chartPersonal card
 OP Settembre al Vomero Napoli ITA 2009-09-10
RcRownchangeKK*chgGame
 1912 1911 1.50 4 -0.49 25 -12.25 
  Messina, Enrico 2119 ITA0.001-0.2325-5.75 
  Di Gennaro, Antonio 1700 ITA1.0010.23255.75 
  Borrelli, Salvatore 1945 ITA0.5010.05251.25 
  Gallo, Thomas Renato 1884 ITA0.001-0.5425-13.50 

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)
 
 OP II Pieve a Nievole Pieve a Nievole ITA 2009-10-23
RcRownchangeKK*chgGame
 1948 1911 1.50 4 -0.35 25 -8.75 
  Calavalle, Giulio 2219 ITA0.001-0.1425-3.50 
  Salerni, Guido 1794 ITA0.501-0.1625-4.00 
  Migliozzi, Giuseppe 1762 ITA1.0010.30257.50 
  Castrogiovanni, Carlo 2018 ITA0.001-0.3525-8.75 

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)
 
 OP V Natale al Vomero Napoli ITA 2009-11-05
RcRownchangeKK*chgGame
 1824 1911 1.50 4 -0.93 25 -23.25 
  Longobardi, Giuseppe 1985 ITA0.001-0.4025-10.00 
  Zinnai, Graziano Matteo 1620 ITA1.0010.15253.75 
  Esposito, Pino 1815 ITA0.001-0.6325-15.75 
  Caiazzo, Diego 1874 ITA0.501-0.0525-1.25 

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
 OP III Pieve a Nievole Pieve a Nievole ITA 2009-11-06
RcRownchangeKK*chgGame
 1940 1911 1.50 4 -0.46 15 -6.90 
  Maslak, Konstantin g2311  * RUS0.001-0.0815-1.20 
  Mazzeo, Gabriele 1772 ITA0.501-0.1915-2.85 
  Tocchioni, Maurizio 1939 ITA0.001-0.4615-6.90 
  Avanzi, Gioni 1737 ITA1.0010.27154.05 
 * 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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