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Individual Calculations April 2019 |
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| O Neill, Julie Anne Total change: 18.80 | |   |
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| Panamerican Veteran & Senior Championship 2018 | St. Croix | ISV | 2018-12-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1941 | 1692 | 3.00 | 9 | 0.94 | 20 | 18.80 | |
|  Rodriguez Rivera, Pedro | m | | 2092 * | CUB | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Brown, Clark | | | 1723 | USA | 1.00 | 1 | 0.54 | 20 | 10.80 | | | Fields, Paul | | | 2092 * | USA | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Cohen, Lawrence | | | 1821 | USA | 0.50 | 1 | 0.17 | 20 | 3.40 | | | Thau, Peter | | | 1607 | USA | 1.00 | 1 | 0.38 | 20 | 7.60 | | | Piasetski, Leon | m | | 2092 * | CAN | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Schoonmaker, Nicholas | c | | 2047 | USA | 0.50 | 1 | 0.39 | 20 | 7.80 | | | Pitre, Hanniegn | | | 1919 | USA | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Sosa, Nestor | c | | 2078 | PAN | 0.00 | 1 | -0.09 | 20 | -1.80 | | | * 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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