Individual Calculations September 2017
 Brown, Geoffrey M  Total change: 97.60  Rating chartPersonal card
 104th British Championships Under 2050 Llandudno ENG 2017-07-31
RcRownchangeKK*chgGame
 1904 1756 2.50 4 1.24 20 24.80 
  Howell, Chris I 1938 ENG0.5010.24204.80 
  Bansal, Rohan 1956 ENG0.5010.26205.20 
  Balouka Myers, Gabriel 1686 ENG1.0010.40208.00 
  Wells, Jonathan C 2037 ENG0.5010.34206.80 

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)
 
 104th British Championships Under 1900 Llandudno ENG 2017-07-31
RcRownchangeKK*chgGame
 1796 1756 3.50 4 1.73 20 34.60 
  Connolly Sams, Dietah 1565 SCO1.0010.25205.00 
  Paul, Nathanael 1871 ENG0.5010.16203.20 
  Dean, Robert A 1850 ENG1.0010.632012.60 
  Carlucci, Paul A 1896 ENG1.0010.692013.80 

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)
 
 2017 Midland Championship Major West Bromwich ENG 2017-08-11
RcRownchangeKK*chgGame
 1799 1772 3.00 4 1.15 20 23.00 
  Jackson, Gary C 1816 ENG1.0010.562011.20 
  Desmedt, Richard E 1819 ENG1.0010.572011.40 
  Ashcroft, Graham J 1772 ENG0.001-0.5020-10.00 
  Winter, Kevin 1789 ENG1.0010.522010.40 

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)
 
 Steve Boniface Memorial Congress 2017 Bristol ENG 2017-08-25
RcRownchangeKK*chgGame
 2031 1772 1.50 4 0.76 20 15.20 
  Bicknell, Carl 2103 ENG0.001-0.1220-2.40 
  Bennett, Dominic L 1962 ENG1.0010.752015.00 
  Morris, Gareth 2062 WLS0.001-0.1620-3.20 
  Stranger, Morris 1998 ENG0.5010.29205.80 

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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