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Individual Calculations January 2016 |
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| Viera Perez, Nestor A. Total change: 33.20 | |   |
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| 2do. Torneo Abierto de Ajedrez Pioneros Boricuas | Caguas | PUR | 2015-10-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1523 | 1538 | 2.50 | 3 | 0.94 | 40 | 37.60 | |
|  Davila Nieves, Guillermo | | | 1433 | PUR | 1.00 | 1 | 0.36 | 40 | 14.40 | | | Corbo Gonzalez, Ruben R. | | | 1502 | PUR | 1.00 | 1 | 0.45 | 40 | 18.00 | |  Santiago Lopez, Roberto | | | 1635 | PUR | 0.50 | 1 | 0.13 | 40 | 5.20 | |
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) | | | | Campeonato Juvenil de Puerto Rico 2015 | Bayamon | PUR | 2015-12-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1660 | 1538 | 1.00 | 3 | -0.11 | 40 | -4.40 | |
| | Pinales Roussel, Gabriel | | | 1938 * | PUR | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Gerena Rivas, Eliam | | | 1796 | PUR | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Suarez Figueroa, Carlos U. | | | 1245 | PUR | 1.00 | 1 | 0.15 | 40 | 6.00 | | | * 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) | | |
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