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Individual Calculations July 2009 |
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| Machin Rivera, Mark Total change: 15.30 | |   |
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| VI Torneo Internacional Jose de Diego | Aguadilla | PUR | 2009-04-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2156 | 2152 | 3.00 | 4 | 1.02 | 15 | 15.30 | |
|  Montes De Oca, Alexis | | | 2275 | DOM | 0.50 | 1 | 0.17 | 15 | 2.55 | |  Nunez Velez, Walter | | | 2068 | PUR | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Guzman Ortiz, Carlos | | | 2028 | PUR | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Montalvo Rosario, Alejandro | m | | 2251 | PUR | 0.50 | 1 | 0.14 | 15 | 2.10 | |
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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