Individual Calculations September 2022
 Yousefi, Ahmadreza  Total change: -61.20  Rating chartPersonal card
 10th Qazvin Cup Group B (U 1800) Qazvin IRI 2022-07-25
RcRownchangeKK*chgGame
 1267 1445 4.00 9 -2.31 40 -92.40 
  Harati, Hasti 1676 IRI0.5010.294011.60 
  Shiri, Abolfazl 1691 IRI0.001-0.1940-7.60 
  Moosavi, Seyed Arad 1192 IRI0.001-0.8140-32.40 
  Salehzadeh, Samin 1141 IRI1.0010.14405.60 
  Pir, Mehrdad 1216 IRI0.001-0.7940-31.60 
  Shamsi, Shayegan 1045  * IRI0.001-0.9240-36.80 
  Esfandiari Klocan, Behrad 1047 IRI1.0010.08403.20 
  Shahverdi, Romina 1144 IRI1.0010.15406.00 
  Mirmoosavi, Dornaz Sadat 1247 IRI0.501-0.2640-10.40 
 * 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)
 
 5th Iranian Amateures Chess Championship 2022 Zanjan IRI 2022-08-21
RcRownchangeKK*chgGame
 1472 1425 4.50 8 0.78 40 31.20 
  Honarparast, Mohammad 1781 IRI0.001-0.1140-4.40 
  Kord Zanganeh, Kian 1028 IRI1.0010.08403.20 
  Ansari, Soheil 1867 IRI0.5010.444017.60 
  Mahboubi, Mahziar 1851 IRI0.001-0.0740-2.80 
  Barat Pour, Daniz 1143 IRI1.0010.16406.40 
  Ataran, Mohammad Sadegh 1528 IRI0.001-0.3640-14.40 
  Andari, Ramyar 1206 IRI1.0010.22408.80 
  Mokhtabadi, Arad 1370 IRI1.0010.424016.80 

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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