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Individual Calculations November 2021 |
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| Porfireanu, Serban Total change: -43.60 | |   |
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| XVIII Open Internacional Amateur de Calvia | Palmanova - Calvia | ESP | 2021-10-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1622 | 1827 | 4.50 | 9 | -2.18 | 20 | -43.60 | |
|  Ponce Cano, Adrian | f | | 2180 | ESP | 0.00 | 1 | -0.11 | 20 | -2.20 | |  Olsen, Geir | | | 1513 | NOR | 0.50 | 1 | -0.36 | 20 | -7.20 | | | Mackay, Ian W | | | 1666 | ENG | 0.50 | 1 | -0.21 | 20 | -4.20 | | | Werner, Florin | | | 1504 | GER | 0.50 | 1 | -0.37 | 20 | -7.40 | | | Plata Fernandez, Diego | | | 1656 | ESP | 0.00 | 1 | -0.73 | 20 | -14.60 | | | Carranza Pons, Ricardo Nelson | | | 1558 | ESP | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Marin Badenas, Vicente | | | 1645 | ESP | 0.00 | 1 | -0.74 | 20 | -14.80 | | | Machin Santiago, Mahey | | | 1427 * | ESP | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Jonckers, Marie-Jeanne | | | 1447 | BEL | 1.00 | 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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