Individual Calculations September 2011
 Bonin, Jay  Total change: 2.30  Rating chartPersonal card
 2011 Marshall June Grand Prix New York, New York USA 2011-06-25
RcRownchangeKK*chgGame
 2611 2310 0.00 1 -0.15 10 -1.50 
  Gelashvili, Tamaz g2611 GEO0.001-0.1510-1.50 

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)
 
 2011 Marshall July Grand Prix New York, New York USA 2011-07-16
RcRownchangeKK*chgGame
 2239 2323 3.00 4 0.58 10 5.80 
  Layevskiy, Michael 2008 USA1.0010.14101.40 
  Naranja, Renato C m2227 PHI1.0010.37103.70 
  Black Jr, James A 2105 USA1.0010.22102.20 
  Gelashvili, Tamaz g2616 GEO0.001-0.1510-1.50 

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)
 
 2011 July FIDE Monday New York, New York USA 2011-07-18
RcRownchangeKK*chgGame
 2144 2323 4.50 6 0.17 10 1.70 
  Harding, Andre E 1958 USA1.0010.10101.00 
  Evans, Cory A 2147 USA0.501-0.2310-2.30 
  Black Jr, James A 2105 USA1.0010.22102.20 
  Hoffmann, Asa f2313 USA0.501-0.0110-0.10 
  West, James R 2134 USA0.501-0.2510-2.50 
  Treger, Yefim 2205 USA1.0010.34103.40 

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)
 
 2011 Marshall August Grand Prix New York, New York USA 2011-08-06
RcRownchangeKK*chgGame
 2144 2323 2.50 4 -0.34 10 -3.40 
  Margiotta, Jason J 1990 USA0.501-0.3810-3.80 
  Daniel, Kelvin 2007 BAR1.0010.13101.30 
  West, James R 2134 USA1.0010.25102.50 
  Lapshun, Yury m2444 USA0.001-0.3410-3.40 

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)
 
 2011 Manhattan Open - Open Section New York, New York USA 2011-08-17
RcRownchangeKK*chgGame
 2261 2323 5.00 9 -0.03 10 -0.30 
  Frumkin, Edward A 1958 USA0.501-0.4010-4.00 
  Bauza Mercere, Eduardo 1923  * ARG1.0010.08100.80 
  Kudrin, Sergey g2547 USA0.001-0.2210-2.20 
  Wang, Kevin 2192 USA0.501-0.1810-1.80 
  Hughes, John Lodge 2049 USA1.0010.17101.70 
  Quan, Zhe m2412 CAN0.5010.12101.20 
  Shahade, Greg m2446 USA0.5010.17101.70 
  De Firmian, Nick E g2522 USA0.001-0.2410-2.40 
  Dominguez, Jose m2298 DOM1.0010.47104.70 
 * 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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