Individual Calculations July 2009
 Van Riemsdijk, Herman C  Total change: 5.10  Rating chartPersonal card
 Magistral de Mar de Ajo Mar de Ajo, Buenos Aires ARG 2009-03-23
RcRownchangeKK*chgGame
 2444 2393 2.50 9 -1.37 10 -13.70 
  Garcia Palermo, Carlos g2484 ITA0.5010.12101.20 
  Claverie, Raul 2374 ARG0.501-0.0310-0.30 
  Rodriguez, Andres g2524 URU0.001-0.3210-3.20 
  Ginzburg, Maximiliano m2455 ARG0.5010.09100.90 
  Hobaica, Juan P. m2400 ARG0.001-0.4910-4.90 
  Rodriguez, Jorge f2393 ARG0.5010.00100.00 
  Diamant, Andre m2472 BRA0.001-0.3910-3.90 
  Slipak, Sergio g2452 ARG0.5010.08100.80 
  Alonso, Salvador m2441 ARG0.001-0.4310-4.30 

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)
 
 XL Abierto de Mar del Plata Mar del Plata, Buenos Aires ARG 2009-04-05
RcRownchangeKK*chgGame
 2257 2375 7.00 9 1.23 10 12.30 
  Leon, Mario 2025 ARG1.0010.11101.10 
  Alcobedo, Damian 2079 ARG1.0010.15101.50 
  Covas, Guillermo 2167 ARG1.0010.23102.30 
  Moreda, Lucas 2322 ARG0.501-0.0710-0.70 
  Zamorano, Jorge 2247 ARG1.0010.33103.30 
  Pierrot, Facundo m2422 ARG0.5010.07100.70 
  Tobares, Leandro 2216 ARG0.501-0.2110-2.10 
  De Dovitiis, Alejo m2346 ARG1.0010.46104.60 
  Alonso, Salvador m2489 ARG0.5010.16101.60 

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)
 
 VI Magistral Hebraica Sao Paulo/SP BRA 2009-04-20
RcRownchangeKK*chgGame
 2473 2375 4.00 9 0.65 10 6.50 
  Santos, Marcus Vinicius Moreira m2399 BRA0.5010.03100.30 
  Rodi, Luis Ernesto f2357 ARG1.0010.47104.70 
  Perdomo, Leandro m2424 ARG0.5010.07100.70 
  Fier, Alexandr g2595 BRA0.5010.28102.80 
  Duarte, Leonardo m2349 ARG0.501-0.0410-0.40 
  Diamant, Andre m2506 BRA0.001-0.3210-3.20 
  Milos, Gilberto g2585 BRA0.5010.27102.70 
  Greenfeld, Alon g2541 ISR0.001-0.2810-2.80 
  Mekhitarian, Krikor Sevag m2503 BRA0.5010.17101.70 

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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