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Individual Calculations April 2021 |
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| Sotelo Kohama, Daniel Total change: 19.00 | |   |
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| IV Torneo Abierto de Ajedrez de Guaynabo | Guaynabo | PUR | 2021-02-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1866 | 2121 | 4.00 | 5 | 0.14 | 20 | 2.80 | |
|  Ramos Irizarry, Miguel | | | 1721 * | PUR | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Ortiz Bigio, Antonio L. | | | 1721 * | PUR | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Fellman, Mike | | | 2076 | PUR | 1.00 | 1 | 0.44 | 20 | 8.80 | | | Rodriguez Santiago, Jaime | | | 2092 | PUR | 0.00 | 1 | -0.54 | 20 | -10.80 | | | Pedrosa Class, Jose D. | | | 1721 * | PUR | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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) | | | | 7mo. Torneo de Ajedrez Memorial Narciso Rabell Mendez | San Sebastian | PUR | 2021-03-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1935 | 2121 | 3.00 | 3 | 0.81 | 20 | 16.20 | |
| | Deliz Quinones, Hector J. | | | 1847 | PUR | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Soto Flores, Jose Noel | | | 1881 | PUR | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Fellman, Mike | | | 2076 | PUR | 1.00 | 1 | 0.44 | 20 | 8.80 | |
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) | | |
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