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Individual Calculations July 2009 |
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| Sotelo Kohama, Daniel Total change: 21.45 | |   |
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| VI Torneo Internacional Jose de Diego | Aguadilla | PUR | 2009-04-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2119 | 2152 | 3.00 | 4 | 0.84 | 15 | 12.60 | |
|  Croes, Octavio | | | 1966 | ARU | 1.00 | 1 | 0.26 | 15 | 3.90 | |  Santa Torres, Juan M. | m | | 2245 | PUR | 0.50 | 1 | 0.13 | 15 | 1.95 | | | Vazquez Reyes, Raul | | | 2107 | PUR | 0.50 | 1 | -0.06 | 15 | -0.90 | | | De Los Santos, Eddy | | | 2156 | DOM | 1.00 | 1 | 0.51 | 15 | 7.65 | |
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) | | | | Puerto Rico National Championship Clasificatory 2009 | Bayamon | PUR | 2009-05-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2093 | 2152 | 3.50 | 5 | 0.59 | 15 | 8.85 | |
| | Rivera, Edwardo | | | 2045 | PUR | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Nunez, Walter | | | 2068 | PUR | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Berrios Echevarria, Gabriel, Mf | f | | 2156 | PUR | 0.50 | 1 | 0.01 | 15 | 0.15 | | | Davila, Juan | | | 2168 | PUR | 0.50 | 1 | 0.02 | 15 | 0.30 | | | Guzman, Carlos | | | 2028 | PUR | 0.50 | 1 | -0.17 | 15 | -2.55 | |
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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