Individual Calculations April 2008
 Irwanto, Sadikin  Total change: -0.40  Rating chartPersonal card
 4th IGB Dato' Arthur Tan Malaysian Open Chess Championship 2007 Kuala Lumpur MAS 2007-08-20
RcRownchangeKK*chgGame
 2297 2456 7.00 11 -0.62 10 -6.20 
  Moylan, Laura wm2106 AUS0.001-0.8910-8.90 
  Crowdy, Stephen C 2106 ENG1.0010.11101.10 
  Ismail, Ahmad 2149 MAS1.0010.14101.40 
  Zakaria, Fairin 2225 MAS0.501-0.2910-2.90 
  Simanjuntak, Sebastian f2271 INA1.0010.26102.60 
  Bancod, Ronald m2373 PHI1.0010.39103.90 
  Rahman, Ziaur g2522 BAN0.001-0.4110-4.10 
  Mas, Hafizulhelmi m2372 MAS1.0010.38103.80 
  Lim, Yee-Weng f2336 MAS1.0010.34103.40 
  Li, Ruofan wg2417 SIN0.501-0.0510-0.50 
  Wan, Yunguo 2386 CHN0.001-0.6010-6.00 

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)
 
 1st Leg ASEAN Circuit Chess Tournament 2008 (WIM Tournament Section) Tarakan, East Kalimantan INA 2008-01-08
RcRownchangeKK*chgGame
 2137 2456 10.00 11 0.58 10 5.80 
  Chua, Graham f2106 SIN1.0010.11101.10 
  Tay, Jeslin 2106 SIN1.0010.11101.10 
  Beverly, Mendoza wm2106 PHI1.0010.11101.10 
  Chan, Victoria wf2106 SIN1.0010.11101.10 
  Verdiana, Norasa 2106 INA1.0010.11101.10 
  Handoko, Edhi g2437 INA0.501-0.0310-0.30 
  Handayani, Tri 2106 INA1.0010.11101.10 
  Bernales, Christy L 2106 PHI1.0010.11101.10 
  Lindiawati, Evi 2114 INA0.501-0.3810-3.80 
  Thy May Hung, Nguyen wf2106 VIE1.0010.11101.10 
  Citra, Dewi Aa 2106 INA1.0010.11101.10 

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)
 

 

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