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Individual Calculations December 2018 |
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| Pinales, Gabriel Total change: -31.80 | |   |
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| Copa de Ajedrez del Veterano Grupo A | Arecibo | PUR | 2018-11-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2025 | 2037 | 3.00 | 5 | 0.43 | 20 | 8.60 | |
|  Velazquez Rivera, Pedro J. | | | 1787 | PUR | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Santana Otero, Orlando | | | 2113 | PUR | 0.50 | 1 | 0.10 | 20 | 2.00 | |  Almedina Ortiz, Edgardo J. | f | | 2255 | PUR | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Gerena Rivas, Eliam | f | | 1911 | PUR | 0.50 | 1 | -0.17 | 20 | -3.40 | | | Davila Blanco, Juan Jose | c | | 2059 | PUR | 1.00 | 1 | 0.53 | 20 | 10.60 | |
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) | | | | 49th Annual National Chess Congress | Philadelphia, Pennsylvania | USA | 2018-11-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1952 | 2037 | 1.00 | 5 | -2.02 | 20 | -40.40 | |
| | Nakada, Akira | c | | 2178 | USA | 0.00 | 1 | -0.31 | 20 | -6.20 | | | Putnam, Liam | | | 1914 | USA | 0.00 | 1 | -0.67 | 20 | -13.40 | | | Yaskolko, Maxim | | | 1754 | USA | 0.50 | 1 | -0.34 | 20 | -6.80 | | | Zhao, Boyang | | | 1800 | USA | 0.50 | 1 | -0.30 | 20 | -6.00 | | | Zhang, Alan | | | 2112 | USA | 0.00 | 1 | -0.40 | 20 | -8.00 | |
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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