Individual Calculations February 2018
 Adamczewski, Jedrzej  Total change: 17.60  Rating chartPersonal card
 III Wielkopolska Liga Seniorów Round 4-7 Wielkopolska POL 2018-01-07
 2021 1930 2.50 4 0.88 20 17.60 
  Ostrowski, Dariusz 1726 POL1.0010.24204.80 
  Walaszczyk, Witold 2083 POL0.5010.20204.00 
  Tomczak, Mikolaj f2330  * POL0.001-0.0820-1.60 
  Nadstoga, Wojciech 1946 POL1.0010.522010.40 
 * 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)


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