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Individual Calculations March 2020 |
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| Shaffer, Alexander Total change: 23.60 | |   |
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| Clasificatorio de Puerto Rico 2020 | Rio Piedras | PUR | 2020-02-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1706 | 1834 | 5.00 | 6 | 1.18 | 20 | 23.60 | |
|  Requena Torres, Luis A. | | | 1654 | PUR | 1.00 | 1 | 0.26 | 20 | 5.20 | |  Luna Colon, Eliseo | | | 1434 * | PUR | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Martinez Perez, Alex R. | | | 1434 * | PUR | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Santana Otero, Orlando | | | 2096 | PUR | 0.50 | 1 | 0.32 | 20 | 6.40 | | | Soriano Pereira, Raymond | | | 1623 | PUR | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Freyre Forest, Jorge | c | | 1992 | PUR | 0.50 | 1 | 0.21 | 20 | 4.20 | | | * 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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