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Individual Calculations September 2011 |
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| Rivera, Martin Total change: -63.30 | |   |
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| Puerto Rico National Championship 2011 | San Juan | PUR | 2011-06-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1735 | 1650 | 0.00 | 3 | -1.28 | 30 | -38.40 | |
|  Vazquez Reyes, Raul | c | | 2050 * | PUR | 0.00 | 1 | -0.08 | 30 | -2.40 | |  Pinales, Gabriel | | | 1511 | PUR | 0.00 | 1 | -0.69 | 30 | -20.70 | | | Fortis, Jahn | | | 1643 | PUR | 0.00 | 1 | -0.51 | 30 | -15.30 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | Abierto de CABA | Bayamon | PUR | 2011-08-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1714 | 1650 | 0.00 | 2 | -0.83 | 30 | -24.90 | |
| | Ibarra Tinoco, Enrique | | | 1784 | PUR | 0.00 | 1 | -0.32 | 30 | -9.60 | | | Fortis, Jahn | | | 1643 | PUR | 0.00 | 1 | -0.51 | 30 | -15.30 | |
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) | | |
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