Individual Calculations December 2017
 Stefansson, Vignir Vatnar  Total change: 9.50  Rating chartPersonal card
 Gardabaer Championship 2017 Gardabaer ISL 2017-10-13
RcRownchangeKK*chgGame
 2080 2300 4.50 7 -0.87 10 -8.70 
  Bjornsson, Eirikur K. 1919 ISL1.0010.09100.90 
  Birkisson, Bjorn Holm 2023 ISL0.501-0.3310-3.30 
  Viglundsson, Bjorgvin 2143 ISL1.0010.29102.90 
  Karcher, Patrick 2113 GER1.0010.26102.60 
  Birkisson, Bardur Orn 2164 ISL0.001-0.6810-6.80 
  Jonsson, Gauti Pall 2011 ISL0.501-0.3410-3.40 
  Heimisson, Hilmir Freyr 2185 ISL0.501-0.1610-1.60 

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)
 
 Hasselbacken Chess Open 2017 lang Stockholm SWE 2017-11-04
RcRownchangeKK*chgGame
 2357 2294 1.50 3 0.25 10 2.50 
  Carlsson, Nils 2047 SWE1.0010.19101.90 
  Tikkanen, Hans g2520 SWE0.5010.29102.90 
  Blomqvist, Erik g2503 SWE0.001-0.2310-2.30 

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)
 
 Reykjavik Northern Lights Open 2017 Reykjavik ISL 2017-11-10
RcRownchangeKK*chgGame
 2358 2294 4.50 9 0.76 10 7.60 
  Xu, Yinglun g2518 CHN0.001-0.2210-2.20 
  Heimisson, Hilmir Freyr c2190 ISL1.0010.36103.60 
  Thorfinnsson, Bragi m2443 ISL0.5010.20102.00 
  Kumar, Nikhil f2274 USA1.0010.47104.70 
  Hebden, Mark L g2460 ENG0.001-0.2810-2.80 
  Jaksland, Tim f2168 DEN0.501-0.1710-1.70 
  Hansen, Torbjorn Ringdal g2406 NOR0.5010.15101.50 
  Jensson, Einar Hjalti m2372 ISL0.5010.11101.10 
  Thorfinnsson, Bjorn m2395 ISL0.5010.14101.40 

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)
 
 Runavik Open 2017 Runavik FAI 2017-11-20
RcRownchangeKK*chgGame
 2254 2294 5.50 9 0.81 10 8.10 
  Hansen, Jogvan I. 1894  * FAI1.0010.08100.80 
  Hamitevici, Vladimir g2519 MDA0.5010.28102.80 
  Khenkin, Igor g2552 GER0.001-0.1810-1.80 
  Hojgaard, Brandur 1894  * FAI0.501-0.4210-4.20 
  Pinheiro Diamant, Jonatan 1894  * SWE1.0010.08100.80 
  Savchenko, Stanislav g2479 UKR0.5010.24102.40 
  Thorhallsson, Simon 2059 ISL1.0010.21102.10 
  Ulybin, Mikhail g2528 RUS1.0010.79107.90 
  Xu, Yi m2465 CHN0.001-0.2710-2.70 
 * 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)
 

 

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