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Individual Calculations April 2018 |
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| Diaz Figueroa, Sebastian Total change: 2.80 | |   |
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| Campeonato Por Edades de Puerto Rico 2018 Sub-14 | Humacao | PUR | 2018-03-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1430 | 1295 | 2.50 | 5 | 0.89 | 40 | 35.60 | |
|  Kiess Alfonso, Erwin S. | | | 1372 | PUR | 0.00 | 1 | -0.39 | 40 | -15.60 | | | Martinez Santiago, Fabian N. | | | 1471 | PUR | 0.00 | 1 | -0.27 | 40 | -10.80 | |  Cruz Nieves, Gabriel E. | | | 1391 | PUR | 1.00 | 1 | 0.63 | 40 | 25.20 | | | Rodriguez Rosich, Carlos | | | 1537 | PUR | 0.50 | 1 | 0.30 | 40 | 12.00 | | | Quinones Soto, Jonathan E. | | | 1380 | PUR | 1.00 | 1 | 0.62 | 40 | 24.80 | |
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 2018 | San Juan | PUR | 2018-03-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1490 | 1295 | 0.00 | 3 | -0.82 | 40 | -32.80 | |
| | Pinales Roussel, Gabriel | | | 1695 * | PUR | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Melendez Lopez, Eduardo J. | | | 1404 | PUR | 0.00 | 1 | -0.35 | 40 | -14.00 | | | Kiess Alfonso, Erwin S. | | | 1372 | PUR | 0.00 | 1 | -0.39 | 40 | -15.60 | | | * 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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