Participación de Veloz, Arturo:

Individual Calculations May 2012:
 Copa Venetur Margarita Porlamar VEN 2012-03-01
 2252 2187 1.00 3 -0.25 15 -3.75 
  Marichal, Ariel 2294 CUB0.001-0.3515-5.25 
  Hadad Diaz, Antonio 2038 VEN1.0010.30154.50 
  Blanco, Humberto m2423 CUB0.001-0.2015-3.00 

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)