Rapid: Individual Calculations December 2023
 O`sullivan, Aidan  Total change: -13.40  Rating chartPersonal card
 The Irish Rapid Championships 2023 Dublin IRL 2023-09-24
RcRownchangeKK*chgGame
 1700 1622 1.00 3 -0.44 40 -17.60 
  O`gorman, Tom f2262 IRL0.001-0.0140-0.40 
  Dubose, Craig 1222  * IRL0.001-0.9240-36.80 
  Prykhodchenko, Serhii 1615 UKR1.0010.494019.60 
 * 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
 SOLAS Irish Heart Rapid Tournament Portarlington IRL 2023-10-01
RcRownchangeKK*chgGame
 1563 1622 2.50 4 0.21 20 4.20 
  O`connell, Michael 1357 IRL1.0010.18203.60 
  Landmark, Gabriel 1756 IRL0.001-0.3220-6.40 
  Sargesson, Ryan 1623 IRL1.0010.502010.00 
  Sheehan, Conor 1515 IRL0.501-0.1520-3.00 

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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