Individual Calculations February 2018
 Zhang, Xiaopeng  Total change: 34.20  Rating chartPersonal card
 27th Annual North American Open Las Vegas, Nevada USA 2017-12-26
RcRownchangeKK*chgGame
 2239 2265 4.50 9 -0.24 20 -4.80 
  Hung, Alan 1865  * USA1.0010.08201.60 
  Shmeliov, Denis m2420 UKR0.001-0.2920-5.80 
  Murugappan, Ganesh 2098 USA0.501-0.2220-4.40 
  Soo-Burrowes, Eliot W f2143 AUS1.0010.33206.60 
  Perez, Robert 2397 USA1.0010.682013.60 
  Kolev, Atanas g2552 FID0.001-0.1620-3.20 
  Mandizha, Farai m2406 ZIM0.001-0.3120-6.20 
  Nguyen, Emily wm2164 USA0.501-0.1420-2.80 
  Easton, Jack 2110 USA0.501-0.2120-4.20 
 * 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)
 
 Tata Steel Tienkampen 2018 Wijk aan Zee NED 2018-01-19
RcRownchangeKK*chgGame
 2260 2265 6.50 9 1.95 20 39.00 
  Visser, Henk-Jan 2270 NED0.5010.01200.20 
  Jacobs, Florian 2229 NED0.501-0.0520-1.00 
  Grimberg, Gilbert f2250 FRA1.0010.48209.60 
  Afek, Yochanan m2270 ISR0.5010.01200.20 
  Vereggen, Lars f2358 NED1.0010.632012.60 
  De Ruiter, Danny f2308 NED1.0010.562011.20 
  Duchene, Rene 2185 NED1.0010.39207.80 
  Bollen, Guus 2224 NED0.501-0.0620-1.20 
  Lyell, Mark f2250 ENG0.501-0.0220-0.40 

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)
 

 

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