Individual Calculations September 2009
 Williams, Simon K  Total change: 18.10  Rating chartPersonal card
 Individual Swiss Championship Graechen SUI 2009-07-09
RcRownchangeKK*chgGame
 2321 2527 7.50 9 0.78 10 7.80 
  Neyer, Renato 2127  * SUI1.0010.08100.80 
  Nuri, Kambez 2198 SUI1.0010.12101.20 
  Lehmann, Andreas 2297 SUI0.501-0.2910-2.90 
  Zimmermann, Peter 2280 SUI1.0010.19101.90 
  Heinatz, Thomas f2294 GER1.0010.21102.10 
  Kaenel, Hansjuerg m2306 SUI0.501-0.2810-2.80 
  Korchnoi, Viktor g2561 SUI1.0010.55105.50 
  Domont, Alexandre m2345 SUI1.0010.26102.60 
  Ekstroem, Roland m2482 SUI0.501-0.0610-0.60 
 * 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)
 
 British Championships Torquay ENG 2009-07-27
RcRownchangeKK*chgGame
 2445 2527 8.50 11 1.85 10 18.50 
  Rudd, Jack m2327 ENG1.0010.24102.40 
  Palliser, Richard J D m2413 ENG1.0010.34103.40 
  Cobb, James m2432 WLS0.501-0.1310-1.30 
  Trent, Lawrence m2471 ENG0.001-0.5810-5.80 
  Ross, Chris N 2203 ENG1.0010.13101.30 
  Lane, Gary W. m2379 AUS1.0010.30103.00 
  Hebden, Mark L g2468 ENG1.0010.42104.20 
  Howell, David W L g2614 ENG0.5010.12101.20 
  Jones, Gawain C B g2554 ENG1.0010.54105.40 
  Wells, Peter K g2498 ENG0.501-0.0410-0.40 
  Gordon, Stephen J g2537 ENG1.0010.51105.10 

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)
 
 Staunton Memorial Tournament – All-Play-All Group London, England ENG 2009-08-08
RcRownchangeKK*chgGame
 2456 2527 4.50 9 -0.82 10 -8.20 
  Davies, Nigel R g2493 ENG0.501-0.0510-0.50 
  Hendriks, Willy m2444 NED1.0010.39103.90 
  Chapman, Terry P D 2232 ENG1.0010.15101.50 
  Wiersma, Eelke m2403 NED0.501-0.1710-1.70 
  Timman, Jan H g2569 NED0.001-0.4410-4.40 
  Cherniaev, Alexander g2429 RUS0.001-0.6310-6.30 
  Wells, Peter K g2498 ENG1.0010.46104.60 
  Korchnoi, Viktor g2561 SUI0.001-0.4510-4.50 
  Trent, Lawrence m2471 ENG0.501-0.0810-0.80 

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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