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Individual Calculations February 2020 |
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| Arosemena, Betty Total change: 19.80 | |   |
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| Campeonato Provincial de Ajedrez de Panama, Clasificatorio para la semifinal Nacional 2020 | Panama | PAN | 2020-01-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1598 | 1461 | 2.00 | 4 | 0.66 | 20 | 13.20 | |
|  Rondon Chacon, Yolys Desiree | | | 1745 | PAN | 0.50 | 1 | 0.34 | 20 | 6.80 | |  Mendez, Andre | | | 1563 | PAN | 0.50 | 1 | 0.14 | 20 | 2.80 | | | Thompson, Jair | | | 1722 | PAN | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Ramirez Bonilla, Nemo Vinicio | | | 1362 | PAN | 1.00 | 1 | 0.36 | 20 | 7.20 | |
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) | | | | Quinto Torneo Grand Prix | Colon | PAN | 2020-01-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1760 | 1461 | 1.00 | 4 | 0.33 | 20 | 6.60 | |
| | Sanchez, Jorge Luis | f | | 1861 * | PAN | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Rondon Chacon, Yolys Desiree | | | 1745 | PAN | 0.50 | 1 | 0.34 | 20 | 6.80 | | | McDowell, Sharon | | | 1573 | HON | 0.00 | 1 | -0.35 | 20 | -7.00 | | | Barria Baker, Raisa Melissa | | wf | 1861 * | PAN | 0.50 | 1 | 0.42 | 20 | 8.40 | | | * 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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