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Individual Calculations May 2021 |
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| Petrescu, Andreea Total change: -112.40 | |   |
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| Bucharest Chess Weekend - 36th edition | Bucuresti | ROU | 2021-04-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1571 | 1558 | 2.00 | 5 | -0.57 | 40 | -22.80 | |
|  Radu, Teodor | | | 1350 | ROU | 1.00 | 1 | 0.23 | 40 | 9.20 | |  Calin, Alexandru | f | | 1958 * | ROU | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Stefan, Mihai | | | 1958 * | ROU | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Olteanu, Gabriel-Luca | | | 1309 | ROU | 0.00 | 1 | -0.81 | 40 | -32.40 | | | Bar, Andrei-Alecsandru | | | 1282 | ROU | 1.00 | 1 | 0.17 | 40 | 6.80 | | | * 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) | | | | Romania National Youth Championships 2021 - girls U16 | Mamaia | ROU | 2021-04-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1583 | 1558 | 1.50 | 8 | -2.24 | 40 | -89.60 | |
| | Trifoi, Mihaela-Ioana | | | 1826 | ROU | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Popa, Andra-Maria | | | 1562 | ROU | 0.00 | 1 | -0.49 | 40 | -19.60 | | | Barila, Stefana | | | 1421 | ROU | 0.00 | 1 | -0.68 | 40 | -27.20 | | | Spiridon, Anisia | | | 1590 | ROU | 0.00 | 1 | -0.46 | 40 | -18.40 | | | Ciapa, Ioana-Antonia | | | 1347 | ROU | 0.50 | 1 | -0.27 | 40 | -10.80 | | | Hejja, Irisz-Hanna | | | 1610 | ROU | 1.00 | 1 | 0.57 | 40 | 22.80 | | | Schiopu, Oana-Magdalena | | | 1601 | ROU | 0.00 | 1 | -0.44 | 40 | -17.60 | | | Bira, Andrada-Paraschiva | | | 1705 | ROU | 0.00 | 1 | -0.30 | 40 | -12.00 | |
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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