Individual Calculations July 2009
 Zapata, Alonso  Total change: 8.60  Rating chartPersonal card
 LV Campeonato Nacional Abierto de Ajedrez (1ra. Fuerza) Toluca, Edo. de Mexico MEX 2009-04-07
RcRownchangeKK*chgGame
 2376 2514 5.50 8 0.21 10 2.10 
  Cortes Rodriguez, Marco 2164 MEX0.501-0.3910-3.90 
  Lopez De La Torre, Armando 2164 MEX1.0010.11101.10 
  Magana Echeverria, Francis m2274 MEX1.0010.20102.00 
  Escobedo Tinajero, Alberto m2353 MEX1.0010.29102.90 
  Mitkov, Nikola g2530 MKD0.5010.02100.20 
  Lares Flores, Manuel De Je f2292 MEX1.0010.22102.20 
  Onischuk, Alexander g2684 USA0.5010.22102.20 
  Cordova, Emilio g2543 PER0.001-0.4610-4.60 

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)
 
 II La Vega Open Internacional 2009 La Vega DOM 2009-04-20
RcRownchangeKK*chgGame
 2291 2514 6.50 9 -0.29 10 -2.90 
  Duran, Joel Aneudi 2164 DOM1.0010.11101.10 
  Ramirez, Carlos 2189 PUR1.0010.13101.30 
  Flaquer, Luis 2261 DOM0.001-0.8110-8.10 
  Vazquez Reyes, Raul 2164 PUR1.0010.11101.10 
  Munoz, Lisandro m2328 DOM0.001-0.7410-7.40 
  Lugo, Maximo 2164 DOM1.0010.11101.10 
  Subervi, Jonathan 2213 DOM1.0010.15101.50 
  Mitkov, Nikola g2530 MKD1.0010.52105.20 
  Becerra Rivero, Julio g2609 USA0.5010.13101.30 

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)
 
 Heroes Day Masters Cup Bridgetown BAR 2009-04-27
RcRownchangeKK*chgGame
 2373 2514 7.00 9 0.93 10 9.30 
  Elliott, Warren f2265 JAM1.0010.19101.90 
  Shabalov, Alexander g2569 USA1.0010.58105.80 
  Neubauer, Martin m2414 AUT0.501-0.1410-1.40 
  Paikidze, Nazi wm2310 GEO1.0010.24102.40 
  Denny, Kevin m2354 BAR1.0010.29102.90 
  Buhmann, Rainer g2582 GER0.001-0.4110-4.10 
  Uribe, Mauricio m2416 COL0.501-0.1310-1.30 
  Pitterson, Jomo f2242 JAM1.0010.17101.70 
  Warner, Delisle f2209 BAR1.0010.14101.40 

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)
 
 Caguas International Caguas PUR 2009-05-14
RcRownchangeKK*chgGame
 2301 2514 6.00 8 0.01 10 0.10 
  Pressman, Leif 2164 USA0.501-0.3910-3.90 
  Montanez Nazario, Roberto 2164 PUR1.0010.11101.10 
  Fierro Baquero, Martha L mwg2411 ECU1.0010.36103.60 
  Stopa, Jacek m2471 POL0.501-0.0610-0.60 
  Santa Torres, Juan m2245 PUR1.0010.17101.70 
  Montalvo Rosario, Alejandro m2251 PUR1.0010.18101.80 
  Almedina Ortiz, Edgardo J 2164 PUR1.0010.11101.10 
  Matamoros Franco, Carlos S g2535 ECU0.001-0.4710-4.70 

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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