Participación de Lopez, Carlos Manuel:

Individual Calculations October 2008:
 IRT GP Barrancabermeja Barrancabermeja COL 2008-07-11
 2254 2319 4.50 6 1.05 10 10.50 
  Gelves Tarazona, Sandra Milena 2026 COL1.0010.15101.50 
  Herrera, Milena wf2078 COL1.0010.20102.00 
  Marin, Sebastian 2398 COL1.0010.61106.10 
  Mosquera, Miguel m2377 COL0.5010.08100.80 
  Rivera, Alberto m2369 CUB0.5010.07100.70 
  Rojas Barrero, Andres Humberto 2274 COL0.501-0.0610-0.60 

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)