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Individual Calculations January 2016 |
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| Boggiano Pereira, Miguel Total change: 22.40 | |   |
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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 |
| 1619 | 1865 | 4.50 | 5 | 0.57 | 40 | 22.80 | |
|  Corbo Gonzalez, Ruben R. | | | 1502 | PUR | 1.00 | 1 | 0.10 | 40 | 4.00 | |  Rodriguez Rosich, Carlos | | | 1465 * | PUR | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Rivera Cantu, Lemuel | | | 1695 | PUR | 0.50 | 1 | -0.22 | 40 | -8.80 | | | Santiago Lopez, Roberto | | | 1635 | PUR | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Velazquez Rivera, Pedro J. | | | 1796 | PUR | 1.00 | 1 | 0.40 | 40 | 16.00 | | | * 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) | | | | Campeonato Juvenil de Puerto Rico 2015 | Bayamon | PUR | 2015-12-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1800 | 1910 | 2.50 | 4 | -0.01 | 40 | -0.40 | |
| | Vellon Naveira, Genesis | | | 1528 | PUR | 1.00 | 1 | 0.09 | 40 | 3.60 | | | Vazquez Maccarini, Danitza | | wm | 2170 | PUR | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Negron De Jesus, Willie Lee | | | 1705 | PUR | 1.00 | 1 | 0.24 | 40 | 9.60 | | | Gerena Rivas, Eliam | | | 1796 | PUR | 0.50 | 1 | -0.16 | 40 | -6.40 | |
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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